DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen
Jones, Stephen
Meaburn, Megan Alicia
Schosseler, Lucien
Turner, David
Abstract
An electrode constituted by an active material and a binder material, wherein the binder material comprises a copolyester which comprises repeating units derived from a diol, a dicarboxylic acid and a poly(alkylene oxide). The binder material may further comprise a first metal ion-containing component selected from conductive ceramic particulate materials, and/or may further comprise additional metal ions from one or more sources other than said conductive ceramic particulate materials.
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Jones, Stephen
Meaburn, Megan Alicia
Schosseler, Lucien
Turner, David
Abstract
An electrode constituted by an active material and a binder material, wherein the binder material comprises a copolyester which comprises repeating units derived from a diol, a dicarboxylic acid and a poly(alkylene oxide). The binder material may further comprise a first metal ion-containing component selected from conductive ceramic particulate materials, and/or may further comprise additional metal ions from one or more sources other than said conductive ceramic particulate materials.
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Schosseler, Lucien
Jones, Stephen
Nunes, Pedro
Abstract
A current collector comprising a multi-layer film and a first metal layer, wherein the multi- layer film comprises a polyester substrate layer (B) having a first and second surface, a first heat-sealable layer (A1) disposed on the first surface of said polyester substrate layer and optionally a second heat-sealable layer (A2) disposed on the second surface of said polyester substrate layer. The first metal layer is disposed on the outer surface of the first heat-sealable layer (A1), the multi-layer film has a thickness of no more than 12 μm, and the first metal layer has a thickness of no more than 1000 nm.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Liu, Shengsheng
Pantelic, Nebojsa
Abstract
A polymeric film comprising a polyester substrate layer and a heat-sealable polymeric layer disposed on one surface of said polyester substrate layer, wherein the heat-sealable polymeric layer comprises copolyester A having a glass transition temperature Tg(A) in an amount WA and copolyester B having a glass transition temperature Tg(B) in an amount WB, wherein: (i) WA > WB; (ii) WA is at least 50 wt% by total weight of the heat-sealable polymeric layer; (iii) WB is at least 10 wt% by total weight of the heat-sealable polymeric layer; (iv) Tg(A) > Tg(B); (v) Tg(B) is in the range of -35°C to -10°C; and (vi) Tg(A) is preferably in the range of -15°C to 5°C.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Jones, Stephen
Schosseler, Lucien
Todd, Megan Alicia
Turner, David
Abstract
A copolyester film comprising a copolyester which comprises repeating units derived from a diol, a dicarboxylic acid and a poly(alkylene oxide), wherein the copolyester film further comprises a first metal ion-containing component selected from conductive ceramic particulate materials, and wherein the film may further comprise additional metal ions from one or more sources other than said conductive ceramic particulate material.
DuPont Teijin Films U.S. Limited Partnership (USA)
Inventor
Liu, Shengsheng
Nelson, Erik
Abstract
The invention is concerned with a blade for a tape measure, wherein the blade comprises an elongate metal substrate and further comprises at least one oriented polyamide protective film. The oriented polyamide protective film comprises an oriented polyamide substrate film and may comprise a heat-sealable polymeric coating layer.
G01B 3/1003 - Measuring tapes characterised by structure or materialMeasuring tapes characterised by layout or indicia
B32B 15/088 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyamides
B32B 15/18 - Layered products essentially comprising metal comprising iron or steel
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Jones, Stephen
Nunes, Pedro
Schosseler, Lucien
Abstract
A current collector comprising a biaxially oriented polymeric substrate layer and a first metal layer on a side of the polymeric substrate layer, wherein the polymeric substrate layer exhibits positive thermal expansion in air at 200°C in each of the transverse direction (TD) and machine direction (MD). The polymeric substrate layer has a thickness of no more than 12 pm and the first metal layer has a thickness of no more than 1000 nm.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Nelson, Erik
Franzyshen, Stephen
Abstract
A laminate and a method for preparing a laminate are provided. The method comprises the steps of providing a container or sheet which comprises a fibrous material, disposing a primer composition onto at least one surface of the container or sheet to form a primer layer on the container or sheet, and also disposing a polymeric liner film onto a surface of the primer layer to form a lined container or sheet. The primer composition comprises at least one sulfopolyester.
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/10 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of paper or cardboard
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 29/00 - Layered products essentially comprising paper or cardboard
B65D 65/40 - Applications of laminates for particular packaging purposes
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chainCoating compositions based on derivatives of such polymers
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Turner, David
Hobaugh, John
Todd, Megan
Franzyshen, Stephen
Jones, Stephen
Abstract
A breathable, heat-sealable, composite film comprising substrate layer (A), a primer coating layer (B) disposed on the substrate layer, and a heat-sealable coating layer (C) disposed on the primer coating layer is provided, wherein (i) said substrate layer (A) comprises a polyester comprising monomeric units derived from one or more diol(s) and one or more dicarboxylic acid(s); (ii) said primer coating layer (B) comprises a cross-linked sulfopolyester; and (iii) said heat-sealable coating layer (C) comprises a first copolyester.
C08J 7/043 - Improving the adhesiveness of the coatings per se, e.g. forming primers
C08F 265/04 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group on to polymers of esters
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Liu, Shengsheng
Nelson, Erik Jevon
Abstract
A composite film comprising a polyamide substrate layer having a first and second surface, and a primer coating layer disposed on the first surface of the substrate layer, wherein the primer coating layer is derived from a composition comprising an acid copolymer resin, an organic crosslinker and an acid catalyst. A heat-sealable coating is applied on the primer.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Deng, Fenghua
Liu, Shengsheng
Nelson, Erik
Abstract
A heat-sealable composite film comprising an oriented polyester substrate layer having a first and second surface is provided. Disposed on the first surface of the substrate layer is a heat- sealable polymeric coating layer comprising a styrenic linear block copolymer thermoplastic elastomer, an ethylene vinyl acetate (EVA) copolymer and a tackifying resin. Also described is a sealed container comprising a receptacle containing a food product, and a lid formed from said heat-sealable composite film.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Deng, Fenghua
Abstract
A tube comprising a first channel and a second channel wherein each of said first and second channels extends along the longitudinal axis of said tube, and wherein said tube is constituted by a first heat-sealable polymeric film A and a second heat-sealable polymeric film B. Said polymeric films A and B each have a first surface (A1, B1) and a second heat-sealable surface (A2, B2) respectively. Polymeric films A and B are disposed such that said heat-sealable surfaces A2 and B2 are in contact with and adhered to each other by heat-seal bonds which do not extend across the full surface area of said heat-sealable surfaces A2 and B2. Also described are methods of making the tube, a kit comprising a plurality of polymeric films for forming the tube, and methods for using the tube in the delivery of injectable chemicals.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Liu, Shengsheng
Nelson, Erik
Abstract
The invention is concerned with a blade for a tape measure, wherein the blade comprises an elongate metal substrate and further comprises at least one oriented polyamide protective film. The oriented polyamide protective film comprises an oriented polyamide substrate film and may comprise a heat-sealable polymeric coating layer.
B32B 3/04 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 15/088 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyamides
B32B 15/18 - Layered products essentially comprising metal comprising iron or steel
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen
Schosseler, Lucien
Todd, Megan
Turner, David
Abstract
Use of a copolyester film in the manufacture of a lithium-ion wet cell battery comprising an anode, a cathode and an electrolyte, wherein the copolyester film comprises a copolyester which comprises repeating units derived from a diol, a dicarboxylic acid and a poly(alkylene oxide)glycol.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Jones, Stephen
Turner, David
Abstract
A process for preparing a copolyester comprising repeating units derived from (i) at least one aliphatic glycol, (ii) at least one aromatic dicarboxylic acid, and (iii) at least one aliphatic dicarboxylic acid, wherein the aliphatic dicarboxylic acid constitutes a proportion of the acid fraction of the copolyester
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Stratiychuk-Dear, Dmytro
Rakos, Karl
Abstract
A matt polymeric film, which may be a single layer or multi-layer film, comprising particles having a volume-weighted mean size (D(4,3)) of no more than 25 µm. The particles may be present in an amount of from about 5% to about 35% by volume fraction of the film. The matt film is suitable for use as a printable film and/or as a release film in cast release applications.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Mortlock, Simon
Macdonald, William A.
Lovatt, Allan
Abstract
A polyester film comprising a polymeric phosphonate flame retardant in an amount of from about 1.0 to about 25.0 wt% by total weight of the film and further comprising at least one metal cation selected from the group consisting of Group I and Group II metal cations.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen
Schosseler, Lucien
Todd, Megan
Turner, David
Abstract
An optionally oriented copolyester film comprising a copolyester which comprises repeating units derived from an aliphatic diol, an aromatic dicarboxylic acid and a poly(alkylene oxide), wherein the copolyester film further comprises lithium ions, and wherein the film has a thickness of no more than about 25μm. The copolyester film is suitable for use a separator in a lithium-ion rechargeable battery.
16 - Paper, cardboard and goods made from these materials
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Plastic film roll stock for packaging; wrapping and packaging material in the form of film plastics; plastic film for industrial wrapping use Mouldable plastics in the form of films for packing, cushioning, or stuffing purposes; plastic film for industrial packing use
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Turner, David
Sankey, Stephen
Taylor, Louise
Jones, Stephen
Abstract
A thermoformable biaxially oriented coextruded polyester film comprising a copolyester base layer B, a first polyester outer layer A1 and a second polyester outer layer A2, wherein said outer layers are disposed on opposite surfaces of said base layer, and wherein: (i) said base layer B comprises a copolyester derived from terephthalic acid (TA) and a second aromatic dicarboxylic acid and one or more diol(s), wherein said second aromatic dicarboxylic acid is present in the copolyester in an amount of from about to 5 about 20 mol% of the acid fraction of the copolyester; (ii) the polyester of each of said outer layers A1 and A2 is selected from polyethylene terephthalate (PET); and (iii) the thickness of the base layer constitutes at least 90% of the total thickness of the coextruded multi-layer polyester film.
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Liu, Shengsheng
Deng, Fenghua
Robinson, Julian, Neal
Tayler, Moira
Abstract
A composite film includes a) a self-supporting layer of a polymer film (such as a polyester), b) an optional primer layer on the polymer film layer, wherein the primer layer includes a PVdX (X being halo), acrylic or vinyl resin; and c) a layer of heat seal composition on the primer layer, wherein the heat seal composition includes a polyolefin plastomer (POP) resin and a tackifier that constitutes at least 20 wt% of the heat seal composition. The composite film may be formed by applying a coating composition including the heat sea! composition in a solvent to a primer layer on the polymer film or directly on the polymer film in absence of the optional primer layer, and then evaporating the solvent. The composite film may be heat-sealed to a surface of a container or a self-supporting film.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Eveson, Robert
Rakos, Karl
Tuffin, Damian Peter
Hoy, Dominic
Abstract
A coextruded biaxially oriented composite film comprising a polyester substrate layer and disposed on one or both surfaces thereof a strippable sacrificial layer, wherein said strippable sacrificial layer comprises an ethylene-methacrylic acid (EMAA) copolymer.
B32B 7/06 - Interconnection of layers permitting easy separation
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 37/15 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
B32B 38/10 - Removing layers, or parts of layers, mechanically or chemically
C08L 33/02 - Homopolymers or copolymers of acidsMetal or ammonium salts thereof
C08F 20/04 - AcidsMetal salts or ammonium salts thereof
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. (Germany)
Inventor
Fahlteich, John
Prager, Nicole
Fahland, Matthias
Zywitzki, Olaf
Von Morgen, Valentijn
Eveson, Robert
Abstract
A method of preparing a multi-layer assembly, or of protecting a surface of a multi-layer substrate from damage and/or contamination and/or debris, said method comprising the steps of: (i) providing a composite film comprising a polymeric base layer having a first and second surface and disposed on the first surface thereof a polymeric protective layer having a first surface and a second surface such that the first surface of the said base layer is in contact with the first surface of the polymeric protective layer, wherein said polymeric protective layer comprises an ethylene-based copolymer, and preferably wherein the polymeric base layer comprises a polyester derived from one or more diol(s) and one or more dicarboxylic acid(s); (ii) removing said polymeric protective layer from the first surface of said base layer; (iii) disposing on the exposed first surface of said base layer one or more functional layers to provide a multi-layer substrate, wherein the, or at least the uppermost, functional layer comprises zinc and/or tin in an amount of from about 5 to about 80 wt% of said functional layer; and (iv) disposing a polymeric protective layer comprising an ethylene-based copolymer onto the exposed surface of the, or at least the uppermost, functional layer comprising zinc and/or tin to provide a multi-layer assembly.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Ashby, Shane
Parnham, Emily
Child, Felicity
Hodgson, Mark
Abstract
A muiti-iayer film comprising: (i) a polyester base layer (B) having a first and second surface wherein the polyester of the base layer is a crystals isabie polyester; and (ii) a heat-sealabie copolyester Iayer (A) disposed on one or both surfaces of said polyester base layer (B); wherein the polyester base iayer (S) comprises titanium dioxide particles in an amount of from about 1 to about 30 wt% by total weight of the base iayer, wherein said particles are coated with an organic coating; and a muiii-layer card comprising said muiii-layer film, a polymeria inlay layer and a polymeric overlay layer such that the layer order is poiymeric inlay iayer, first multi-layer film and first polymeric overlay layer.
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Brennan, William J.
Child, Felicity
Abstract
A multi-layer card comprising a polymeric inlay layer having a first surface and a second surface, further comprising a first multi-layer film which is disposed on the first surface of the polymeric inlay layer, and further comprising a first polymeric overlay layer which is disposed on said first multi-layer film, such that the layer order is polymeric inlay layer, first multi-layer film and first polymeric overlay layer, wherein said first multi-layer film comprises: (i) a polyester base layer (B) comprising a crystallisable polyester (PB), and further comprising titanium dioxide in an amount of from about 1 to about 30 wt% by total weight of the base layer; (ii) a first heat-sealable copolyester layer (A1) disposed on a first surface of said polyester base layer; and (iii) optionally a second heat-sealable copolyester layer (A2) disposed on a second surface of said polyester base layer, wherein the copolyester (CPA) of each of the first and optional second heat-sealable copolyester layers is independently selected from amorphous copolyesters (ACPA) derived from an aliphatic diol and a cycloaliphatic diol and at least one aromatic dicarboxylic acid, and/or the polyester base layer (B) further comprises a copolyester (CPB) in an amount of at least about 10% by weight based on the total weight of the base layer (B).
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 7/10 - Interconnection of layers at least one layer having inter-reactive properties
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Lovatt, Allan
Whitehead, Anthony
Parnham, Emily
Abstract
The use of titanium dioxide particles coated by an organic coating for increasing the hydrolysis resistance of an oriented polyester film, particularly wherein the organic coating does not comprise or is not derived from a silane, and particularly wherein the organic coating is selected from an organophosphorus compound and a polymeric organic coating; and oriented polyester films comprising such titanium dioxide particles coated byan organic coating; and photovoltaic cells comprising such films.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Deng, Fenghua
Nugara, Peter N.
Franzyshen, Stephen K.
Haskins, Reps M.
Abstract
A laminate includes the following substantially coextensive layers in the following order: (a) a non-sealable, self-supporting, thermoformable copolyester film layer having a first surface and a second surface, the second surface constituting an outermost, exposed surface of the laminate; (b) a laminating adhesive layer on the first surface of the thermoformable copolyester film layer; and (c) a self-supporting, thermoformable structural film layer having a first surface and a second surface, the first surface contacting the laminating adhesive layer. Polyethylene terephthalate constitutes at least 80% by weight of the self-supporting thermoformable copolyester film layer; the thermoformable structural film layer includes a polymer selected from the group consisting of polyamides, polypropylene, polyethylene, polyethylene terephthalate, ionomers, ethylene acrylic acid copolymers, ethylene vinyl acetate copolymers, polystyrene, ethylene vinyl alcohol copolymers and polyvinylidene chloride; the thermoformable copolyester film layer, the structural film layer and the laminate each shrink less than 5% in length and width upon exposure to boiling water for five seconds; and the laminate is thermoformable and its chloroform-soluble extractives meet the requirements of paragraph h(1) of 21 CFR § 177.1630 as defined herein.
B65D 81/34 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs intended to be cooked or heated within the package
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Ellett, Anna
Bausch-Koenig, Marianne
Abstract
A biaxially stretched thermally conductive and electrically insulating film comprising a polyester forming a matrix and a plurality of anisotropic thermally conductive particles dispersed within the matrix and A process for manufacturing said biaxially stretched polyester film in which the dimension of the anisotropic filler particles with the highest thermal conductivity is oriented out of the film plane, thus conferring on said film improved thermal conductivity properties in the direction perpendicular to the film plane.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Robinson, Julian N.
Symonds, Jackie H.
Mackerron, Duncan
Sankey, Stephen W.
Evans, Jamie
Little, Rachel Clare
Abstract
Peelable polymeric film, in particular, peelable polymeric film which comprises a polymeric substrate layer and a coating layer of adhesive, and which is of particular use in the manufacture of electronic devices is described. The adhesive layer is derived from an aqueous composition which comprises an aliphatic polyurethane and is switchable.
C09J 7/25 - PlasticsMetallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
C09J 4/06 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
C09J 175/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 9/04 - Layered products essentially comprising a particular substance not covered by groups comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 43/00 - Operations specially adapted for layered products and not otherwise provided for, e.g. repairingApparatus therefor
C09J 129/04 - Polyvinyl alcoholPartially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
C09J 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
C09J 175/14 - Polyurethanes having carbon-to-carbon unsaturated bonds
H01L 21/683 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereofApparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components for supporting or gripping
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
30.
Copolyesterimides derived from N,N′-bis-(hydroxyalkyl)-benzophenone-3,3′,4,4′-tetracarboxylic diimide and films made therefrom
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Turner, David
Colquhoun, Howard
Jones, Stephen
Abstract
A copolyester includes repeating units derived from an aliphatic glycol, terephthalic acid, and the monomer of formula (I):
wherein n=2, 3 or 4; Z is C═O; comonomer (I) constitutes a proportion of the glycol fraction of the copolyester and is present in a range of from about 5 to about 15 mol % of the glycol fraction of the copolyester; wherein said copolyester is semi-crystalline. A process tor making the copolyester includes annealing a copolyester of formula (I) at 20-80° C. below the crystalline melting point (Tm) and above the glass transition temperature (Tg).
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Parnham, Emily
Mortlock, Simon V.
Lovatt, Allan
Robinson, Julian N.
Looney, Maurice Kieran
Oliver, Paul James
Abstract
A photovoltaic cell comprising a transparent front-plane, an opaque back-plane and an encapsulant resin wherein said back-plane comprises a polyester film comprising a base layer (B) comprising a crystallizable polyester and a heat-sealable layer (A) comprising an amorphous copolyester wherein: (i) said amorphous copolyester is derived from an aliphatic diol and a cycloaliphatic diol and at least one aromatic dicarboxylic acid (ii) said polyester film is disposed in the photovoltaic cell such that layer (A) is in contact with the encapsulant resin.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Robinson, Julian N.
Symonds, Jackie H.
Mackerron, Duncan
Sankey, Stephen W.
Evans, Jamie
Little, Rachel Clare
Abstract
Peelable polymeric film, in particular, peelable polymeric film which comprises a polymeric substrate layer and a coating layer of adhesive, and which is of particular use in the manufacture of electronic devices is described. The adhesive layer is derived from an aqueous composition which comprises an aliphatic polyurethane and is switchable.
C09J 4/06 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
35.
POLYESTER FILM WITH ELECTRICAL INSULATION AND HEAT CONDUCTION PROPERTIES
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Ellett, Anna
Bausch-Koenig, Marianne
Abstract
A biaxially stretched thermally conductive and electrically insulating film comprising a polyester forming a matrix and a plurality of anisotropic thermally conductive particles dispersed within the matrix and A process for manufacturing said biaxially stretched polyester film in which the dimension of the anisotropic filler particles with the highest thermal conductivity is oriented out of the film plane, thus conferring on said film improved thermal conductivity properties in the direction perpendicular to the film plane.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Eveson, Robert
Heeran, Michael
Hutchings, Robert
Mortlock, Simon
Abstract
The invention is concerned with photovoltaic cells, processes for the production thereof and polyester films useful in the production thereof wherein the back plane of the photovoltaic cell is a polyester film having an adhesive coating derived from a composition comprising an epoxy resin and a blocked diisocyanate.
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B32B 27/26 - Layered products essentially comprising synthetic resin characterised by the use of special additives using curing agents
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Eveson, Robert
Hutchings, Robert
Robinson, Julian Neal
Tayler, Moira
Abstract
Photovoltaic cells which comprise a back plane comprising a polyester film and an adhesive coating derived from an ethylene vinyl acetate copolymer and an oxazoline crosslinking agent and methods for forming the same are described.
C09J 123/00 - Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondAdhesives based on derivatives of such polymers
DuPont Teijin Films U.S. Limited Partnership (USA)
Inventor
Sankey, Stephen William
Turner, David
Colquhoun, Howard
Jones, Stephen
Abstract
A film comprising a copolyester wherein said copolyester comprises repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and a comonomer (M) selected from the group consisting of N,N′-bis-(2-hydroxyalkyl)-bicyclo-[2,2,2]-oct-7-ene-2,3,5,6-tetracarboxylic diimide (BODI) and 2-hydroxyalkyl-2-[p-(2-hydroxyethoxycarbonyl)phenyl]-1,3-dioxo-2H-isoindole-5-carboxylate (DOIC), wherein the number of carbon atoms is the 2-hydroxyalkyl group is 2, 3 or 4, and wherein comonomer (M) constitutes a proportion of the glycol fraction of the copolyester.
DuPont Teijin Films U.S. Limited Partnership (USA)
Inventor
Wright, Tina
Little, Rachel
Brennan, William James
Nelson, Erik Jevon
Hodgson, Mark Russell
Mandokoro, Nori
Abstract
A co-extruded multi-layer biaxially oriented polyester film comprising a primary polyester layer and a dissimilar secondary polyester layer adjacent to the primary polyester layer, wherein the primary polyester layer and the secondary polyester layer each comprise a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, and wherein said glycidyl ester is in the form of its reaction product with at least some of the end groups of the polyester; and use thereof as a component of a photovoltaic cell.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 37/15 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
B29C 47/04 - of multilayered or multicoloured articles
B29C 47/02 - incorporating preformed parts or layers, e.g. extrusion moulding around inserts or for coating articles
B32B 37/14 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
B32B 43/00 - Operations specially adapted for layered products and not otherwise provided for, e.g. repairingApparatus therefor
B29C 47/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C 49/04)
C08K 3/30 - Sulfur-, selenium-, or tellurium-containing compounds
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Turner, David
Colquhoun, Howard
Jones, Stephen
Abstract
A semi-crystalline biaxially oriented film comprising a copolyester which comprises repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and the monomer of formula (I): (I) wherein n=2, 3 or 4, Z is C═O, and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester and is present in an amount of at least about 4 mol % of the glycol fraction of the copolyester.
C08G 73/00 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups
41.
N,N′-bis-(hydroxyalkyl)-3,3′,4,4′-diphenylsulfonetetracarboxylic diimide and films made therefrom
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Turner, David
Colquhoun, Howard
Jones, Stephen
Abstract
2, and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester; and films, fibers, molding compositions or molded articles comprising said copolyester.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Liu, Shengsheng
Deng, Fenghua
Abstract
A composite film includes a polyester film substrate layer and a crosslinked layer on a surface thereof, wherein the crosslinked layer includes a reaction product of a) a functionalized ethylene vinyl acetate copolymer including multiple COOH groups or multiple alcoholic OH groups per molecule; and b) an organic crosslinker including multiple reactive groups per molecule, the reactive groups being reactive with the COOH or alcoholic OH groups; wherein the adhesion strength between the substrate layer and the crosslinked layer is at least 177g/cm (450g/inch). A method of joining the composite film, optionally further including a heat-sealable polymer layer on the crosslinked layer, to a container or a self-supporting film, includes contacting the crosslinked layer or the heat-sealable polymer layer with the container or the self- supporting film or under heat sealing conditions.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
NEDERLANDSE ORGANISATIE VOOR TOEGEPAST NATUURWETENSCHAPPELIJK ONDERZOEK TNO (Netherlands)
Inventor
Mackerron, Duncan Henry
Harkema, Stephan
Alexander, Ian Keith
Abstract
An organic light-emitting diode (OLED) light source comprising the following layers, in order: (i) a biaxially oriented polyester film substrate comprising light-scattering particles (P1); (ii) optionally an organic planarising coating layer (OPC1); (iii) optionally a barrier layer (B1); (iv) an organic planarising coating layer (OPC2) comprising light-scattering particles (P2); (v) optionally a barrier layer (B2); and (vi) a multi-layer light-emitting assembly comprising a first electrode, a light-emitting organic layer and a second electrode; wherein said OLED light source comprises at least one of barrier layers (B1) and (B2); and a method of fabricating said OLED light source.
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Parnham, Emily
Mortlock, Simon V.
Lovatt, Allan
Robinson, Julian N.
Looney, Maurice Kieran
Oliver, Paul James
Abstract
A photovoltaic cell comprising a transparent front-plane, an opaque back-plane and an encapsulant resin wherein said back-plane comprises a polyester film comprising a base layer (B) comprising a crystallisable polyester and a heat-sealable layer (A) comprising an amorphous copolyester wherein: (i) said amorphous copolyester is derived from an aliphatic diol and a cycloaliphatic diol and at least one aromatic dicarboxylic acid (ii) said polyester film is disposed in the photovoltaic cell such that layer (A) is in contact with the encapsulant resin.
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Turner, David
Colquhoun, Howard
Jones, Stephen
Abstract
A copolyester comprising repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and the monomer of formula (I): (Formula (I)) wherein n = 2, 3or 4, and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester; and a film,fibre or moulding composition or moulded article comprising said copolyester.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Eveson, Robert
Hutchings, Robert
Abstract
Polyester films with abrasion resistant coatingsand methods for making the same are provided. The coatedpolyester filmscomprisea polyester film substrate and a coating on at least one side of the polyester film substrate, wherein the coating is derived from a coating composition comprising: (i) a melamine crosslinker component; and (ii) a polyurethane component derivable from at least one diisocyanate and at least one polymeric polyol.
C09D 161/28 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Strickland, Debra, S.
Robinson, Julian, Neal
Symonds, Jackie, H.
Chappell, Cornell, Jr.
Abstract
An antistatic polyester film includes a self-supporting polyester substrate film bearing on at least one surface thereof an antistatic layer including a) one or more antistatic polymers comprising repeat units according to formula (I) wherein R1 and R2 are each independently H or CH3, R3 is an alkylene group having a carbon number in a range from 2 to 10, R4 and R5 are each independently a saturated hydrocarbon group having a carbon number in a range from 1 to 5, R6 is an alkylene group having a carbon number in a range from 2 to 5, n is an integer in a range from 0 to 40, m is an integer in a range from 1 to 40, and Y" is a halogen ion, nitrate ion, sulfate ion, alkylsulfate ion, sulfonate ion, alkylsulfonate ion or dihydrogen phosphate ion; b) one or more nonpolymeric cationic antistatic agents; and c) one or more crosslinkers.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Grosrenaud, Alexis
Schosseler, Lucien
Abstract
A stretched film includes a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor.
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
H01G 4/18 - Organic dielectrics of synthetic material, e.g. derivatives of cellulose
H01B 3/42 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes polyesters, polyethers, polyacetal
49.
COPOLYESTERIMIDES DERIVED FROM AROMATIC DICARBOXYLIC ACIDS AND ALIPHATIC GLYCOLS AND FILMS MADE THEREFROM
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Turner, David
Colquhoun, Howard
Jones, Stephen
Abstract
A film comprising a copolyester wherein said copolyester comprises repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and a comonomer (M) selected from the group consisting of N,N'-bis-(2-hydroxyalkyl)-bicyclo-[2,2,2]-oct-7- ene-2,3,5,6-tetracarboxylic diimide(BODI)and 2-hydroxyalkyl-2-[p-(2- hydroxyethoxycarbonyl)phenyl]-1,3-dioxo-2H-isoindole-5-carboxylate (DOIC), wherein the number of carbon atoms is the 2-hydroxyalkyl group is 2, 3 or 4, and wherein comonomer (M) constitutes a proportion of the glycol fraction of the copolyester.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Wright, Tina
Little, Rachel
Brennan, William James
Nelson, Erik Jevon
Hodgson, Mark Russell
Mandokoro, Nori
Abstract
A co-extruded multi-layer biaxially oriented polyester film comprising a primary polyester layer and a dissimilar secondary polyester layer adjacent to the primary polyester layer, wherein the primary polyester layer and the secondary polyester layer each comprise a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, and wherein said glycidyl ester is in the form of its reaction product with at least some of the end groups of the polyester; and use thereof as a component of a photovoltaic cell.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Turner, David
Colquhoun, Howard
Jones, Stephen
Abstract
A copolyester comprising repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and the monomer of formula (I): (Formula (I)) wherein n = 2, 3 or 4, Z is S(=O)2 , and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester; and films, fibres, moulding compositions or moulded articles comprising said copolyester.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Turner, David
Colquhoun, Howard
Jones, Stephen
Abstract
A semi-crystalline biaxially oriented film comprising a copolyester which comprises repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and the monomer of formula (I): (I) wherein n = 2, 3 or 4, Z is C=O, and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester and is present in an amount of at least about 4 mol% of the glycol fraction of the copolyester.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Macdonald, William A.
Turner, David
Colquhoun, Howard
Meehan, Stephen
Abstract
A copolyester comprising repeating units derived from an aliphatic glycol, terephthalic acid, and the monomer of formula (I): wherein n=2, 3 or 4, and films, fibres, moulding compositions and moulded articles made therefrom.
C08F 20/00 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof
C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
C08K 5/3412 - Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
C07D 209/48 - Iso-indolesHydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Turner, David
Colquhoun, Howard
Meehan, Stephen
Abstract
A polyester film comprising a copolyester which comprises repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and the monomer of formula (I): wherein n = 2, 3 or 4, and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Macdonald, William A.
Turner, David
Colquhoun, Howard
Meehan, Stephen
Abstract
A copolyester comprising repeating units derived from an aliphatic glycol, naphthalene-dicarboxylic acid, and the monomer of formula (I) wherein n=2, 3 or 4, and films, fibres, moulding compositions and moulded articles made therefrom.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Grosrenaud, Alexis
Schosseler, Lucien
Abstract
A stretched film includes a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor.
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
H01G 4/18 - Organic dielectrics of synthetic material, e.g. derivatives of cellulose
H01B 3/42 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes polyesters, polyethers, polyacetal
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
NEDERLANDSE ORGANISATIE VOOR TOEGEPAST NATUURWETENSCHAPPELIJK ONDERZOEK TNO (Netherlands)
Inventor
Mackerron, Duncan Henry
Harkema, Stephan
Abstract
A method for reducing the angular dependence of emission colour and/or emission intensity of an OLED light source and/or increasing light extraction from said OLED, said method comprising the step of disposing a biaxially oriented polyester film as a layer in a multi-layer assembly further comprising an OLED light source, wherein said polyester film is disposed on a light-emitting surface of said OLED or within said OLED, wherein said polyester film comprises light-scattering particles. The invention also provides amulti-layer assembly comprising an OLED light source and a biaxially oriented polyester film comprising light-scattering particles, wherein said polyester film is disposed on a light-emitting surface of said OLED or within said OLED.
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Macdonald, William A.
Turner, David
Colquhoun, Howard
Meehan, Stephen
Abstract
A copolyester comprising repeating units derived from an aliphatic glycol, terephthalic acid, and the monomer of formula (I): wherein n = 2, 3 or 4, wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester, and wherein the comonomer (I) is present in amounts of greater than 10 mol% of the glycol fraction of the copolyester, and films and articles made therefrom.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Bories-Azeau, Xavier Gabriel Philippe
Macdonald, William Alasdair
Shepherd, Simon
Mandokoro, Nori
Lariviere, Jan Samuel Anthony
Kilmartin, Keith James
Abstract
A method for improving the long-term stability to UV light of a polyester film comprising a first UV absorber having an absorbance of greater than 0.01 at a concentration of 10ppm in CHCl 3 at a wavelength in the range from 360 to 400nm, and a method for improving said long-term UV stability of said first UV absorber present in a polyester film, said method comprising incorporating a triazine UV absorber into the film; and multilayer films comprising said first UV absorber and said triazine.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Rakos, Karl
Abstract
An interferometric method for profiling the topography of a sample surface, said method comprising the steps of: (i)a first interferometric profiling step in which a sample surface is analysed by single-frame interferometry (SFI) at a relatively low first magnification M1 to produce a map comprising pixels with planar (X,Y)-coordinates corresponding to the area of the sample surface, (ii)interrogating the pixel data obtained from the first profiling step by identifying pixel(s) which meet or exceed a Cut-Off Threshold, and which also meet or exceed a parameter N NAP which is the number of adjacent pixels all of which meet or exceed the Cut-Off Threshold; (iii)interrogating the pixel data obtained from the first profiling step by identifying pixel(s) for which no z-coordinate has been recorded; (iv)generating a Low Magnification Frame File (LMFF) which comprises the (X,Y) coordinates of the pixels derived from steps (ii) and (iii); (v)a second interferometric profiling step in which the sample surface is analysed at a relatively high second magnification M2, wherein M2>M1, wherein only selected regions of the sample surface are analysed at said second magnification M2, wherein said selected regions comprise the features associated with the (X,Y)-coordinates of the pixels in the Low Magnification Frame File; and further comprising a step selected from: (vi)the step of analysis of the output of the second interferometric profiling step to differentiate between an intrinsic defect and an extrinsic defect; (vii)the step of assessing whether said sample surface meets one or more quality control standard(s) and/or one or more target property or properties; and (viii)the step of assessing whether said sample surface is suitable as a surface for subsequent coating.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Brennan, William J.
Mortlock, Simon Vernon
Goldie, William Bryden
Ashford, Emma
Forsyth, Kirstin Jayne
Turner, David R.
Lovatt, Allan
Abstract
A biaxially oriented polyester film comprising polyester and at least one hydrolysis stabilizer selected from a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, wherein said hydrolysis stabilizer is present in the film in the form of its reaction product with at least some of the end-groups of said polyester, and wherein said reaction product is obtained by the reaction of the hydrolysis stabilizer with the end-groups of the polyester in the presence of a metal cation selected from the group consisting of Group I and Group II metal cations.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
B32B 37/15 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
B29C 47/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C 49/04)
C08J 3/20 - Compounding polymers with additives, e.g. colouring
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
C08L 67/03 - Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl groups directly linked to aromatic rings
C08G 63/91 - Polymers modified by chemical after-treatment
H01L 21/64 - Manufacture or treatment of solid-state devices other than semiconductor devices, or of parts thereof, not specially adapted for a single type of device provided for in subclasses , , or
H01L 31/056 - Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means the light-reflecting means being of the back surface reflector [BSR] type
B29K 67/00 - Use of polyesters as moulding material
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Zhao, Chen
Chappell, Jr., Cornell
Abstract
A coating composition including an alkali metal silicate, a wetting agent, and a hydrophilic antifog agent forms an antifog coating on a substrate. The coating may be applied to the surface of a film from an aqueous dispersion of the ingredients, followed by drying to form a composite film.
C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water theretoThawing or antifreeze materials for application to surfaces
G02B 1/10 - Optical coatings produced by application to, or surface treatment of, optical elements
C08J 7/06 - Coating with compositions not containing macromolecular substances
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Eveson, Robert
Rakos, Karl
Tuffin, Damian Peter
Hoy, Dominic
Abstract
A coextruded biaxially oriented composite film comprising a polyester substrate layer and disposed on one or both surfaces thereof a strippable sacrificial layer, wherein said strippable sacrificial layer comprises an ethylene-methacrylic acid (EMAA) copolymer.
B32B 7/06 - Interconnection of layers permitting easy separation
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 37/15 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
B32B 38/10 - Removing layers, or parts of layers, mechanically or chemically
C08L 33/02 - Homopolymers or copolymers of acidsMetal or ammonium salts thereof
C08F 20/04 - AcidsMetal salts or ammonium salts thereof
Dupont Teijin Films U.S. Limited Partnership (USA)
Inventor
Mandokoro, Nori
Shepherd, Simon
Abstract
A composite film comprising: (i) a heat-stabilised oriented polyester substrate comprising a UV-absorber in an amount of from about 0.1 to about 10% based on the total weight of the polyester substrate, and (ii) on one or both surfaces of the substrate a polymeric coating layer, which has a thickness in the range of from about 10 nm to about 200 nm, and which comprises an ethylene acrylic acid (EAA) copolymer, wherein the composite film exhibits a shrinkage at 150° C. for 30 minutes of less than 0.1% in both the longitudinal and transverse dimensions of the film, and use thereof in the manufacture of photo-voltaic cells.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Deng, Fenghua
Abstract
b) on the substrate, a heatseal layer containing a PLA homopolymer or copolymer.
The heatseal layer further includes dispersed therein an adhesion promoter, or alternatively the substrate further includes the adhesion promoter in a layer on a surface of the polymeric base layer between and adjacent the base layer and the heatseal layer. An antifog agent may also be included in the heatseal layer or on the surface of the heatseal layer opposite the substrate.
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
B65D 77/20 - Container closures formed after filling by applying separate lids or covers
B05D 1/36 - Successively applying liquids or other fluent materials, e.g. without intermediate treatment
B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
DuPont Teijin Films U.S. Limited Partnership (USA)
Inventor
Deng, Fenghua
Tayler, Moira
Robinson, Julian Neal
Abstract
A composite film includes a nylon base film and a coextensive layer of adhesive composition that includes one or more polymers, wherein the one or more polymers taken together include in polymerized form : a) ethylene; b) one or more ester-containing monomers, constituting in a range from 5 to 50 wt% of the one or more polymers; and c) one or more carboxylic acid-containing monomers and optionally salt(s) thereof, constituting in a range from 0.5 to 20 wt% of the one or more polymers. A package may be prepared, including a lid made from the composite film heat sealed to a tray. A bag for packaging raw or processed meat may be made from the composite film. A food item may be contained in the package or bag.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Macdonald, William A.
Turner, David
Colquhoun, Howard
Meehan, Stephen
Abstract
A copolyester comprising repeating units derived from an aliphatic glycol, terephthalic acid, and the monomer of formula (I): wherein n = 2, 3 or 4, and films, fibres, moulding compositions and moulded articles made therefrom.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Sankey, Stephen William
Macdonald, William A.
Turner, David
Colquhoun, Howard
Meehan, Stephen
Abstract
A copolyester comprising repeating units derived from an aliphatic glycol, naphthalene-dicarboxylic acid, and the monomer of formula (I) wherein n = 2, 3 or 4, and films, fibres, moulding compositions and moulded articles made therefrom.
DuPont Teijin Films U.S. Limited Partnership (USA)
Inventor
Cosentino, Steven
Lariviere, Jan S.
Kulesza, Keith
Tatum, Sherrod B.
Abstract
A multilayer composite film includes in sequence:
a) a biaxially oriented, opaque polyester base layer;
b) a non-voided polyester layer on and coextensively in contact with a surface of the base layer; and
c) a metal layer on a surface of the non-voided polyester layer opposite the opaque polyester base layer, or on a primer layer on a surface of the non-voided polyester layer opposite the opaque polyester base layer.
The film may be prepared by vapor depositing or plasma depositing a metal layer on a surface of a non-voided polyester layer coextensively contacting a biaxially oriented, opaque polyester base layer, or on a primer layer on a surface the non-voided polyester layer.
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
C23C 16/06 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material
71.
METALLIZED OPAQUE FILMS WITH ROBUST METAL LAYER ATTACHMENT
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Cosentino, Steven, R.
Lariviere, Jan, S.
Kulesza, Keith
Tatum, Sherrod, B.
Abstract
A multilayer composite film includes in sequence: a) a biaxially oriented, opaque polyester base layer; b) a non-voided polyester layer on and coextensively in contact with a surface of the base layer; and c) a metal layer on a surface of the non-voided polyester layer opposite the opaque polyester base layer, or on a primer layer on a surface of the non-voided polyester layer opposite the opaque polyester base layer. The film may be prepared by vapor depositing or plasma depositing a metal layer on a surface of a non-voided polyester layer coextensively contacting a biaxially oriented, opaque polyester base layer, or on a primer layer on a surface the non-voided polyester layer.
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Mackerron, Duncan Henry
Ishida, Takeshi
Francis, John
Looney, Maurice Kieran
Abstract
A multi-layer biaxially oriented film comprising a first layer (A) comprising an aromatic polyester (a) and a second layer (B) comprising a polyolefin (b) having a melting point of from 230 to 290°C wherein said polyolefin is a styrene polymer, and an adhesive interlayer (C) between a layer (A) and a layer (B), wherein said adhesive interlayer (C) comprises a tie-layer material (c) selected from anhydride-modified ethylene copolymers in which the proportion of anhydride present in the copolymer is no more than 3.0 % by weight of the polymer, and in which the ethylene copolymer comprises one or more additional comonomers other than styrene.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Eveson, Robert
Rakos, Karl
Tuffin, Damian Peter
Hoy, Dominic
Abstract
A coextruded biaxially oriented composite film comprising a polyester substrate layer and disposed on one or both surfaces thereof a strippable sacrificial layer, wherein said strippable sacrificial layer comprises an ethylene-methacrylic acid (EMAA) copolymer.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Brennan, William J.
Mortlock, Simon Vernon
Goldie, William Bryden
Ashford, Emma
Forsyth, Kirstin Jayne
Turner, David R.
Lovatt, Alan
Abstract
A biaxially oriented polyester film comprising polyester and at least one hydrolysis stabiliser selected from a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, wherein said hydrolysis stabiliser is present in the film in the form of its reaction product with at least some of the end- groups of said polyester, and wherein said reaction product is obtained by the reaction of the hydrolysis stabiliser with the end-groups of the polyester in the presence of a metal cation selected from the group consisting of Group I and Group II metal cations.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Brennan, William J.
Mortlock, Simon V.
Lovatt, Allan
Phillips, David
Turner, David R.
Abstract
A biaxially oriented polyester film including polyethylene terephthalate (PET) and at least one hydrolysis stabilizer selected from a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, wherein the hydrolysis stabilizer is present in the film in the form of its reaction product with at least some of the end-groups of the polyester; a process for making the same; and use of the film as a layer in a photovoltaic cell.
B29C 47/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C 49/04)
C08G 63/91 - Polymers modified by chemical after-treatment
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Wright, Tina
Bories-Azeau, Xavier
Abstract
A process for the manufacture of a reflective conductive film comprising: (i) a reflective polymeric substrate comprising a polymeric base layer and a polymeric binding layer, wherein the polymeric material of the base layer has a softening temperature TS-B, and the polymeric material of the binding layer has a softening temperature TS-HS; and (ii) a conductive layer comprising a plurality of nanowires, wherein said nanowires are bound by the polymeric matrix of the binding layer such that the nanowires are dispersed at least partially in the polymeric matrix of the binding layer, said process comprising the steps of providing a reflective polymeric substrate comprising a polymeric base layer and a polymeric binding layer; disposing said nanowires on the exposed surface of the binding layer; and heating the composite film to a temperature T1 wherein T1 is equal to or greater than TS-HS, and T1 is at least about 5 °C below TS-B .
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
B32B 33/00 - Layered products characterised by particular properties or particular surface features, e.g. particular surface coatingsLayered products designed for particular purposes not covered by another single class
B32B 37/04 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Deng, Fenghua
Nugara, Peter, N.
Franzyshen, Stephen, K.
Haskins, Reps, M.
Abstract
A laminate includes the following substantially coextensive layers in the following order: (a) a non-sealable, self-supporting, thermoformable copolyester film layer having a first surface and a second surface, the second surface constituting an outermost, exposed surface of the laminate; (b) a laminating adhesive layer on the first surface of the thermoformable copolyester film layer; and (c) a self-supporting, thermoformable structural film layer having a first surface and a second surface, the first surface contacting the laminating adhesive layer. Polyethylene terephthalate constitutes at least 80% by weight of the self- supporting thermoformable copolyester film layer; the thermoformable structural film layer includes a polymer selected from the group consisting of polyamides, polypropylene, polyethylene, polyethylene terephthalate, ionomers, ethylene acrylic acid copolymers, ethylene vinyl acetate copolymers, polystyrene, ethylene vinyl alcohol copolymers and polyvinylidene chloride; the thermoformable copolyester film layer, the structural film layer and the laminate each shrink less than 5% in length and width upon exposure to boiling water for five seconds; and the laminate is thermoformable and its chloroform-soluble extractives meet the requirements of paragraph h(1) of 21 CFR § 177.1630 as defined herein.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B65B 25/22 - Packaging articles of food, e.g. fish fillets, intended to be cooked in the package
B65D 81/34 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs intended to be cooked or heated within the package
80.
POLYESTER FILM WITH HIGH UV-STABILITY AND HIGH LIGHT TRANSMITTANCE
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Mandokoro, Nori
Shepherd, Simon
Abstract
A composite film comprising: (i) a heat-stabilised oriented polyester substrate comprising a UV-absorber in an amount of from about 0.1 to about 10% based on the total weight of the polyester substrate, and (ii) on one or both surfaces of the substrate a polymeric coating layer, which has a thickness in the range of from about 10 nm to about 200 nm, and which comprises an ethylene acrylic acid (EAA) copolymer, wherein the composite film exhibits a shrinkage at 150°C for 30 minutes of less than 0.1% in both the longitudinal and transverse dimensions of the film, and use thereof in the manufacture of photo-voltaic cells.
81.
POLYESTER FILM WITH UV-STABILITY AND HIGH LIGHT TRANSMITTANCE
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Mandokoro, Nori
Shepherd, Simon
Abstract
A composite film comprising: (i) a heat-stabilised oriented polyester substrate comprising a UV-absorber in an amount of from about 0.1 to about 10% based on the total weight of the polyester substrate, and (ii) on one or both surfaces of the substrate a polymeric coating layer, which has a thickness in the range of from about 10 nm to about 200 nm, and which comprises an ethylene acrylic acid (EAA) copolymer, wherein the composite film exhibits a shrinkage at 150°C for 30 minutes of less than 0.1% in both the longitudinal and transverse dimensions of the film, and use thereof in the manufacture of photo-voltaic cells.
Dupont Teijin Films U.S. Limited Partnership (USA)
Inventor
Grosrenaud, Alexis
Schosseler, Luclen
Abstract
A stretched film comprising a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor.
DuPont Teijin Films U.S. Limited Partnership (USA)
Inventor
Deng, Fenghua
Abstract
A multilayer film suitable for sealing containers such as used for food packaging, and methods of making the film, are described. The film is particularly suitable for sealing containers made from polylactic acid (PLA). The multilayer film includes a) a substrate that includes a polymeric base layer; and b) on the substrate, a heatseal layer containing a PLA homopolymer or copolymer. The heatseal layer further includes dispersed therein an adhesion promoter, or alternatively the substrate further includes the adhesion promoter in a layer on a surface of the polymeric base layer between and adjacent the base layer and the heatseal layer. An antifog agent may also be included in the heatseal layer or on the surface of the heatseal layer opposite the substrate.
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Brennan, William J.
Mortlock, Simon V.
Lovatt, Alan
Phillips, David
Turner, David R.
Abstract
A biaxially oriented polyester film comprising polyethylene terephthalate (PET) and at least one hydrolysis stabiliser selected from a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, wherein said hydrolysis stabiliser is present in the film in the form of its reaction product with at least some of the end-groups of said polyester; a process for making the same; and use of the film as a layer in a photovoltaic cell.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Brennan, William, J.
Mortlock, Simon, V.
Lovatt, Alan
Phillips, David
Turner, David, R.
Abstract
A biaxially oriented polyester film comprising polyethylene terephthalate (PET) and at least one hydrolysis stabiliser selected from a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, wherein said hydrolysis stabiliser is present in the film in the form of its reaction product with at least some of the end-groups of said polyester; a process for making the same; and use of the film as a layer in a photovoltaic cell.
DuPont Teijin Films U.S. Limited Partnership (USA)
Inventor
Zhao, Chen
Chappell, Jr., Cornell
Abstract
A coating composition comprising an alkali metal silicate, a wetting agent, and a hydrophilic antifog agent forms an antifog coating on a substrate. The coating may be applied to the surface of a film from an aqueous dispersion of the ingredients, followed by drying to form a composite film.
C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water theretoThawing or antifreeze materials for application to surfaces
DuPont Teijin Films U.S. Limited Partnership (USA)
Inventor
Zhao, Chen
Volsin, David
Chappell, Jr., Cornell
Abstract
A coated article includes a substrate having on its surface a coating that includes a polymer selected from the group consisting of hydroxypropylcellulose, poly(2-ethyl-2-oxazoline) and mixtures of these, a surfactant, colloidal silica, and a crosslinker selected from the group consisting of water-soluble titanium salts and water-soluble or water-dispersible organic crosslinkers. The coating may be formed by applying a dispersion of the coating composition in a diluent to the substrate and subsequently drying the coated substrate to evaporate the diluent.
B32B 23/08 - Layered products essentially comprising cellulosic plastic substances comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Bories-Azeau, Xavier, G., P.
Wright, Tina
Abstract
A process for the manufacture of a transparent conductive film comprising: (i) a polymeric substrate comprising a polymeric base layer and a polymeric binding layer, wherein the polymeric material of the base layer has a softening temperature TS-B, and the polymeric material of the binding layer has a softening temperature TS-HS; and (ii) a conductive layer comprising a plurality of nanowires, wherein said nanowires are bound by the polymeric matrix of the binding layer such that the nanowires are dispersed at least partially in the polymeric matrix of the binding layer, said process comprising the steps of providing a polymeric substrate comprising a polymeric base layer and a polymeric binding layer; disposing said nanowires on the exposed surface of the binding layer; and heating the composite film to a temperature T1 wherein T1 is equal to or greater than TS-HS, and T1 is at least about 5 °C below TS-B; and transparent conductive films derived from said process.
B32B 33/00 - Layered products characterised by particular properties or particular surface features, e.g. particular surface coatingsLayered products designed for particular purposes not covered by another single class
B32B 37/04 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Bories-Azeau, Xavier, G., P.
Wright, Tina
Abstract
A composite film comprising a polymeric substrate and a transparent conductive layer, said conductive layer being derived from a coating composition containing: (i) electrically conductive particles selected from the group consisting of metal oxides and doped metal oxides; (ii) poly(vinyl alcohol); and (iii) an aqueous solvent, wherein the sheet resistance of the conductive layer is no more than 1,000 ohms per square, and wherein the ratio by weight of said electrically conductive particles to said poly( vinyl alcohol) is defined as WM: WP, and WM:WP is in the range of from about 2.0:1 to about 4.0:1.
DuPont Teijin Films U.S. Limited Partnership (USA)
Inventor
Brennan, William J.
Sankey, Stephen William
Hodgson, Mark Russell
Abstract
A heat-sealable, peelable, coextruded composite polymeric film comprising a substrate layer of polymeric material having on a surface thereof a heat-sealable layer, wherein said heat-sealable layer comprises a copolyester of least one aromatic dicarboxylic acid, at least one aliphatic dicarboxylic acid and one or more glycol(s); the thickness of said heat-sealable layer is in the range of from about 0.3 to about 3 μm; and the heat-sealable layer comprises one or more wax(es) is described.
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
91.
ANTI-MICROBIAL POLYMERIC FILM AND METHOD OF MANUFACTURE OF SAID FILM
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Robinson, Julian, Neal
Eveson, Robert, W.
Rakos, Karl
Brown, David
Symonds, Jackie
Stephenson, Debbie, A.
Abstract
A method of manufacture of an anti-microbial polymeric film comprising coextruding a polymeric substrate layer comprising a first layer of a first polymeric material and a second layer of a second polymeric material wherein the crystalline melting temperature (TM2) of said second polymeric material is lower than the crystalline melting temperature (TM1) of the first polymeric material; stretching the coextruded substrate in a first direction; optionally stretching the substrate layer in a second, orthogonal direction; disposing on the surface of the polymeric second layer a composition comprising a particulate antimicrobial compound and a liquid vehicle, and preferably also a surfactant; and heat-setting the stretched film at a temperature above the crystalline melting temperature (TM2) of the second polymeric material but below the crystalline melting temperature (TMI) of the first polymeric material; wherein the composition is applied to the polymeric second layer after the coextrusion step but before the heat-setting step; such that in the final film said second layer comprises said anti-microbial compound in an amount of from about 1 to about 80 % by weight of said polymeric material of the second layer is described. Anti-microbial films are also described.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Grosrenaud, Alexis
Schosseler, Lucien
Abstract
A stretched film comprising a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor.
C08K 7/00 - Use of ingredients characterised by shape
C08K 13/04 - Ingredients characterised by their shape and organic or inorganic ingredients
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
C08L 67/03 - Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl groups directly linked to aromatic rings
C08L 67/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
DuPont Teijin Films U.S. Limited Partnership (USA)
Inventor
Zhao, Chen
Chappell Jr., Cornell
Abstract
A coating composition comprising an alkali metal silicate, a wetting agent, and a hydrophilic antifog agent forms an antifog coating on a substrate. The coating may be applied to the surface of a film from an aqueous dispersion of the ingredients, followed by drying to form a composite film.
C08K 5/5415 - Silicon-containing compounds containing oxygen containing at least one Si—O bond
C09D 5/44 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes for electrophoretic applications
C09D 201/10 - Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups containing hydrolysable silane groups
94.
Bi-axially stretched breathable film, process for making the same and use thereof
DuPont Teijin Films U.S. Limited Partnership (USA)
Inventor
Schosseler, Lucien
Grosrenaud, Alexis
Mackerron, Duncan Henry
Rebizant, Valery
Abstract
The invention relates to A bi-axially stretched breathable film comprising a polymeric mixture, said polymeric mixture comprising based on the total weight of the polymeric mixture/—at least 50% of at least one polyether block copolymer; and —from 0.5 to less than 50% of at least one polyester. The invention also relates to a method to manufacture said film, and uses of said film. The invention also relates to a method for producing a bi-axially stretched breathable film comprising at least one polyether block copolymer.
B32B 5/16 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer formed of particles, e.g. chips, chopped fibres, powder
C08G 63/02 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Zhao, Chen
Voisin, David
Chappell, Cornell
Abstract
A coated article includes a substrate having on its surface a coating that includes a polymer selected from the group consisting of hydroxypropylcellulose, poly(2-ethyl-2- oxazoline) and mixtures of these, a surfactant, colloidal silica, and a crosslinker selected from the group consisting of water-soluble titanium salts and water-soluble or water-dispersible organic crosslinkers. The coating may be formed by applying a dispersion of the coating composition in a diluent to the substrate and subsequently drying the coated substrate to evaporate the diluent.
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Deng, Fenghua
Franzyshen, Stephen, K.
Abstract
The invention provides an ovenable vacuum skin package for storage and cooking of a food product. The package includes a receptacle and a thermoformable composite polymeric film cover heat-sealed thereto, and the composite polymeric film cover includes: (i) a thermoformable substrate layer comprising a first copolyester material; and (ii) on a surface of the substrate layer, a heat-sealable layer comprising a second copolyester material, the second copolyester material being different from the first copolyester material; wherein i. the receptacle comprises on a surface thereof a sealing region adapted to contact and form a seal with the heat-sealable layer; and ii. both the receptacle and the cover film comply with the requirements of paragraph h(1) of 21 CFR § 177.1630.
B65D 77/20 - Container closures formed after filling by applying separate lids or covers
B65D 81/34 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs intended to be cooked or heated within the package
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Macdonald, William, A.
Mackerron, Duncan, Henry
Eveson, Robert, W.
Rakos, Karl
Abstract
A method of improving the flexibility of a coated polyester substrate for an electronic device comprising a coated polyester substrate layer and an electrode layer comprising conductive material, said method comprising: (a) providing a polyester film; and (b) disposing an organic/inorganic hybrid coating on one or both surfaces of said polyester film, wherein said coating is derived from a coating composition comprising a low molecular weight reactive component selected from monomeric acrylates and/or an unsaturated oligomeric component selected from acrylates, polyether acrylates, epoxy acrylates and polyester acrylates; a solvent; and inorganic particles, and optionally further comprising a photoinitiator.
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
Dupont Teijin Films U.S. Limited Partnership (USA)
Inventor
Eveson, Robert William
Hodgson, Andrew Nathan
Mackerron, Duncan Henry
Hashimoto, Katsuyuki
Abstract
A method of preventing or minimizing the formation of haze in a biaxially oriented polyester film during the annealing of said film above its glass transition temperature, said method comprising: (a) selecting a biaxially oriented polyester film having glass transition temperature (Tg (° C.)); (b) disposing a coating on one or both surfaces of said biaxially oriented film; (c) annealing said coated biaxially oriented polyester film at a temperature above its glass transition temperature, wherein said coating composition is selected from: (i) an organic coating comprising a low molecular weight reactive diluent; an unsaturated oligomer; a solvent; and a photoinitiator; (ii) an organic/inorganic hybrid coating comprising a low molecular weight reactive component and/or an unsaturated oligomeric component; a solvent; and inorganic particles, and optionally further comprising a photoinitiator; (iii) a predominantly inorganic hardcoat comprising inorganic particles contained in a polymerisable predominantly inorganic matrix; and (iv) a composition comprising a cross-linkable organic polymer selected from polyethylene imine (PEI), polyester and polyinylalcohol (PVOH), and a cross-linking agent.
B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Berry, Michael, R.
Brennan, William, J.
Deng, Fenghua
Sanders, Daniel, C.
Abstract
A heat-sealable, coextruded composite polymeric film comprising a substrate layer comprising a first copolyester material having on a surface thereof a heat-sealable layer comprising a second copolyester material wherein: (i) the first and second copolyester materials are different from each other; (ii) the copolyester of the substrate layer comprises an aromatic dicarboxylic acid and a saturated aliphatic dicarboxylic acid of formula CnH2n(COOH)2 wherein n is 2 to 8; (iii) the heat-sealable layer comprises one or more wax(es); and (iv) the composite film is shrinkable or thermoformable; and the use thereof as a packaging film, particularly as, or in the manufacture of, a lidding film for heat-sealing to a receptacle containing a food product.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (USA)
Inventor
Deng, Fenghua
Abstract
A multilayer film suitable for sealing containers such as used for food packaging, and methods of making the film, are described. The film is particularly suitable for sealing containers made from polylactic acid (PLA). The multilayer film includes a) a substrate that includes a polymeric base layer; and b) on the substrate, a heatseal layer containing a PLA homopolymer or copolymer. The heatseal layer further includes dispersed therein an adhesion promoter, or alternatively the substrate further includes the adhesion promoter in a layer on a surface of the polymeric base layer between and adjacent the base layer and the heatseal layer. An antifog agent may also be included in the heatseal layer or on the surface of the heatseal layer opposite the substrate.