A homogeneous extruded mold release composition including: less than 5 wt % of water; 30 to 80 wt % of a polyvinyl alcohol; 2 to 4 wt % of a surfactant; 10 to 40 wt % of a sugar alcohol; and 0.75 to 3.0 wt % of an anti-foaming agent; where a total of all components in the composition adds to 100 wt %. The extruded mold release composition has a solution surface tension of 24 mN/m or lower and a viscosity in a range from 80 to 300 cps when measured at 23° C. after the composition has been solubilized in water to produce a 15% to 18% by weight solution.
A modified PVOH polymer comprises a hydrophobic modification with a triglyceride seed oil, or a hydrophilic modification with a lactate or an amino acid, as well as a process for producing the same.
A sulfonic acid modified polyvinyl alcohol resin including about 3 mol % to about 12 mol % of a comonomer including a sulfonic acid group, and a blockiness index η of the sulfonic acid group of between about 0.2 to about 0.4 according to the Modified Moritani Method.
A sulfonic acid modified polyvinyl alcohol resin including about 3 mol% to about 12 mol% of a comonomer including a sulfonic acid group, and a blockiness index T| of the sulfonic acid group of between about 0.2 to about 0.4 according to the Modified Moritani Method.
A formulation for cellulosic materials comprises a polyvinyl alcohol terpolymer comprising a polyvinyl alcohol modified with about 1 mol % to about 10 mol % of a hydrophilic comonomer, and with about 1 mol % to about 5 mol % of a hydrophobic comonomer, and having a degree of hydrolysis of about 92% to about 98%.
C08F 261/04 - Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group on to polymers of unsaturated alcohols on to polymers of vinyl alcohol
6.
FLUOROCHEMICAL-FREE PVOH POLYMERS AND COATING FORMULATIONS FOR CELLULOSIC MATERIALS
A formulation for cellulosic materials comprises a polyvinyl alcohol terpolymer comprising a polyvinyl alcohol modified with 1 mol% to 10 mol% of a hydrophilic comonomer, and with 1 mol% to 5 mol% of a hydrophobic comonomer, and having a degree of hydrolysis of 92% to 98%.
C09D 129/04 - Polyvinyl alcoholPartially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
D21H 19/20 - Coatings without pigments applied in a form other than the aqueous solution defined in group comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
A homogeneous, aqueous mold release solution including: 5 to 90 wt % water; 3 to 40 wt % polyvinyl alcohol; 0.01 to 3.2 wt % surfactant; 1 to 20 wt % sugar alcohol; 0.005 to 1.05 wt % defoamer; and up to 50 ppm biocide, where a total of all components adds to 100 wt %. The mold release solutions have a viscosity in a range from 20 to 600 cps when measured at 23° C. In another aspect, embodiments disclosed herein relate to a homogeneous, aqueous mold release solution including: 5 to 85 wt % water; 10.5 to 15 wt % polyvinyl alcohol; 0.56 to 0.8 wt % surfactant; 1 to 8 wt % sugar alcohol; 0.01 to 0.3 wt % defoamer; and up to 50 ppm biocide, wherein a total of all components adds to 100 wt %. Also disclosed are films prepared from the mold release solutions, as well as methods of coating a substrate using such mold release solutions.
A homogeneous, aqueous mold release solution including: 5 to 90 wt% water; 3 to 40 wt% polyvinyl alcohol; 0.01 to 3.2 wt% surfactant; 1 to 20 wt% sugar alcohol; 0.005 to 1.05 wt% defoamer; and up to 50 ppm biocide, where a total of all components adds to 100 wt%. The mold release solutions have a viscosity in a range from 20 to 600 cps when measured at 23 °C. In another aspect, embodiments disclosed herein relate to a homogeneous, aqueous mold release solution including: 5 to 85 wt% water; 10.5 to 15 wt% polyvinyl alcohol; 0.56 to 0.8 wt% surfactant; 1 to 8 wt% sugar alcohol; 0.01 to 0.3 wt% defoamer; and up to 50 ppm biocide, wherein a total of all components adds to 100 wt%. Also disclosed are films prepared from the mold release solutions, as well as methods of coating a substrate using such mold release solutions.
A sulfonic acid modified polyvinyl alcohol resin comprising up to 15 mol % of a first comonomer comprising sulfonic acid groups. The modified polyvinyl alcohol resin has a hydroxyl unit content of at least 65 mol % and a gel fraction of 3.2 or less. Further, the modified polyvinyl alcohol resin has a disintegration time of 85 seconds or less, as measured in a mixture of 50 vol % water and 50 vol % isopropyl alcohol at 23° C. Additionally, the modified polyvinyl alcohol resin has a hard component present in a component ratio of 10% or greater and 55% or less and having a relaxation time of 0.0091 milliseconds or greater and 0.0104 milliseconds or less, as measured by the pulsed NMR Solid Echo method at 80° C. Also disclosed are methods for producing the sulfonic acid modified polyvinyl alcohol resins, which may advantageously be used in inks, paints, paper coatings, emulsions, or films.
C09D 129/04 - Polyvinyl alcoholPartially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
C09D 11/106 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
A sulfonic acid modified polyvinyl alcohol resin comprising up to 15 mol% of a first comonomer comprising sulfonic acid groups. The modified polyvinyl alcohol resin has a hydroxyl unit content of at least 65 mol% and a gel fraction of 3.2 or less. Further, the modified polyvinyl alcohol resin has a disintegration time of 85 seconds or less, as measured in a mixture of 50 vol% water and 50 vol% isopropyl alcohol at 23°C. Additionally, the modified polyvinyl alcohol resin has a hard component present in a component ratio of 10% or greater and 55% or less and having a relaxation time of 0.0091 milliseconds or greater and 0.0104 milliseconds or less, as measured by the pulsed NMR Solid Echo method at 80°C. Also disclosed are methods for producing the sulfonic acid modified polyvinyl alcohol resins, which may advantageously be used in inks, paints, paper coatings, emulsions, or films.
A vinyl alcohol polymer according to one embodiment of the present invention has an integral value (e) of from 0.8 to 20 if the total of the integral values (a)-(e) described below is taken as 100 in the 1H-NMR spectrum. (a) the integral value of peaks observed within the range of 5.70-5.96 ppm (b) the integral value of peaks observed within the range of 5.97-6.63 ppm (c) the integral value of peaks observed within the range of 6.64-7.55 ppm (d) the integral value of peaks observed within the range of 7.56-7.81 ppm (e) the integral value of peaks observed within the range of 7.82-8.04 ppm
A water soluble film useful in unit-dose chemical packaging is disclosed. The film may include: a water soluble saccharide and a polyvinyl alcohol copolymer consisting essentially of: (a) from 80 to 99 mole percent of vinyl alcohol and vinyl ester monomer; and (b) from 1 to 20 mole percent of a pyrrolidone comonomer. Such compositions may be used to provide a water-soluble film simultaneously satisfying requirements in regard to water solubility, biodegradability, and physical properties, even when used for packaging a broad range of harsh, oxidizing chemicals.
Polyvinyl alcohol used as dispersing agents for polyvinyl chloride suspension polymerization, dispersing agents comprising the polyvinyl alcohol, and method for producing polyvinyl chloride using the polyvinyl alcohol
(b) An integration value from 5.76 to 5.98 ppm of a peak or peaks observed at 5.86 to 5.90 ppm when an integration value from 3.65 to 4.05 ppm of a peak or peaks observed at 3.83 to 3.87 ppm is assumed to be 100.
C08J 3/05 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
15.
POLYVINYL ALCOHOL USED AS DISPERSANT FOR POLYVINYL CHLORIDE SUSPENSION POLYMERIZATION, DISPERSANT CONTAINING SAID POLYVINYL ALCOHOL, AND METHOD FOR PRODUCING POLYVINYL CHLORIDE USING SAID POLYVINYL ALCOHOL
The present invention provides a polyvinyl alcohol used as a dispersant for polyvinyl chloride suspension polymerization, the polyvinyl alcohol having a saponification degree of 60-80 mol% and a block character of 0.4-0.6, wherein the value of (a) below is 0.04-0.1 and the value of (b) below is 0.01-0.2 in a 1H-NMR spectrum, and the UV absorbance of a 0.1 mass% aqueous solution at a wavelength of 320 nm is at least 0.18 and less than 0.3. (a) The integral value from 5.42 to 5.62 ppm of peaks identified as 5.50-5.54 ppm when the integral value from 3.65 to 4.05 ppm of peaks identified as 3.83-3.87 ppm is 100. (b) The integral value from 5.76 to 5.98 ppm of peaks identified as 5.86-5.90 ppm when the integral value from 3.65 to 4.05 ppm of peaks identified as 3.83-3.87 ppm is 100.
Dispersing agents useful in a suspension polymerization process may be formed based on polyvinyl alcohols and processes discloses herein. The dispersing agent may include, for example: a polyvinyl alcohol having a degree of hydrolysis in the range from 60 to 80 mol %; an absorbance of not less than 0.3 measured at a wavelength of 320 nm with respect to a 0.1 wt % aqueous solution of the polyvinyl alcohol; a block character of remaining ester groups in the range from 0.4 to 0.5; and a cloud point in the range from 35° C. to 50° C. measured with respect to a 1 wt % aqueous solution of the polyvinyl alcohol. Carbonyl groups are theorized to be present along the polymer chain, which may be quantified by 1-H NMR spectra peaks.
A method for dyeing hair includes applying a polyvinyl amine copolymer solution to the hair; and applying a hair dye composition to the hair. A hair dye composition includes an aqueous base fluid; a polyvinyl amine copolymer; and an anionic or cationic hair dye. A method of making a hair dye composition includes mixing a polyvinyl amine copolymer and an anionic or cationic hair dye into an aqueous base fluid.
A61Q 5/10 - Preparations for permanently dyeing the hair
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
A61Q 5/06 - Preparations for styling the hair, e.g. by temporary shaping or colouring
Water soluble films and coatings herein address the problem of water insolubility, color formation, and brittleness upon exposure to oxidizing chemicals, including strong or aggressive oxidizing chemicals. The water soluble films or coatings may include a water soluble polymer and a reactive precursor, such as an alkanolamine or an alkyl alkanolamine. The reactive precursor is water soluble and reactive with oxidizing compounds. Water soluble films or coatings herein may also include a water soluble polymer and an additive mixture including an alkanolamine or an alkyl alkanolamine. The films or coatings, upon exposure to an oxidizing chemical for 8 weeks at 40°C and ambient humidity, may dissolve fully or achieve 90% dissolution at times of less than 10 minutes. The water soluble films and coatings may advantageously be used with oxidizing chemicals while maintaining water solubility, acceptable color, and flexibility, such as in unit dose packaging, even over extended exposure periods.
Water soluble films and coatings herein address the problem of water insolubility, color formation, and brittleness upon exposure to oxidizing chemicals, including strong or aggressive oxidizing chemicals. The water soluble films or coatings may include a water soluble polymer and a reactive precursor, such as an alkanolamine or an alkyl alkanolamine. The reactive precursor is water soluble and reactive with oxidizing compounds. Water soluble films or coatings herein may also include a water soluble polymer and an additive mixture including an alkanolamine or an alkyl alkanolamine. The films or coatings, upon exposure to an oxidizing chemical for 8 weeks at 40° C. and ambient humidity, may dissolve fully or achieve 90% dissolution at times of less than 10 minutes. The water soluble films and coatings may advantageously be used with oxidizing chemicals while maintaining water solubility, acceptable color, and flexibility, such as in unit dose packaging, even over extended exposure periods.
C09D 129/04 - Polyvinyl alcoholPartially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
B65D 81/24 - Adaptations for preventing deterioration or decay of contentsApplications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
B65D 65/46 - Applications of disintegrable, dissolvable or edible materials
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Polymer base compositions used in the manufacture of goods,
namely, clothing, exercise apparel, compression garments,
home furnishing, cosmetics and personal care preparations.
Dispersing agents useful in a suspension polymerization process may be formed based on polyvinyl alcohols and processes discloses herein. The dispersing agent may include, for example: a polyvinyl alcohol having a degree of hydrolysis in the range from 60 to 80 mol%; an absorbance of not less than 0.3 measured at a wavelength of 320 nm with respect to a 0.1 wt% aqueous solution of the polyvinyl alcohol; a block character of remaining ester groups in the range from 0.4 to 0.5; and a cloud point in the range from 35°C to 50°C measured with respect to a 1 wt% aqueous solution of the polyvinyl alcohol. Carbonyl groups are theorized to be present along the polymer chain, which may be quantified by 1-H NMR spectra peaks.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Polymer base compositions used in the manufacture of goods, namely, clothing, exercise apparel, compression garments, home furnishing, cosmetics and personal care preparations
A water soluble polyvinyl alcohol copolymer having a diad syndiotacticity of greater than about 60% and less than about 70%. In some embodiments, the water soluble polyvinyl alcohol copolymer is soluble in water at a concentration of at least 1 wt % at a temperature of less than 100° C. In other embodiments, the composition is soluble in water at a concentration of at least 5 wt % at a temperature in the range from about 90° C. to less than 100° C. The high solubility of the high syndiotactic poly vinyl alcohols disclosed herein may provide various advantages as described herein, including ease of processing and decreased use of harmful solvents.
A water soluble polyvinyl alcohol copolymer having a diad syndiotacticity of greater than about 60% and less than about 70%. In some embodiments, the water soluble polyvinyl alcohol copolymer is soluble in water at a concentration of at least 1 wt% at a temperature of less than 100°C. In other embodiments, the composition is soluble in water at a concentration of at least 5 wt% at a temperature in the range from about 90°C to less than 100°C. The high solubility of the high syndiotactic poly vinyl alcohols disclosed herein may provide various advantages as described herein, including ease of processing and decreased use of harmful solvents.
Various cosmetic compositions are disclosed that may be useful in face masks, epilatories, and pore strips. All the claimed compositions comprise a polyvinyl alcohol copolymer. Also disclosed is a method of designing a cosmetic composition that may include: receiving a request to tailor a cosmetic composition to have a selected property or a selected property set. The method may be used to design and manufacture cosmetic compositions, such as epilatory compositions, face or skin care mask compositions used for cleansing and/or exfoliating the skin, and eyeliners, among others, having advantageous properties.
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
A61Q 19/04 - Preparations for care of the skin for chemically tanning the skin
Epilatory compositions may be formed from: 40 to 80 wt% water; 5 to 30 wt% of a mixture of at least one polyvinyl alcohol and at least one polyvinyl alcohol copolymer; 1 to 15 wt% plasticizer, where the plasticizer is a linear or branched composition having from 3 to 15 wt% OH; and up to 40 wt% of one or more additives. Pore strip, keratonic plug removal, and other cosmetic applications may be formed from a similar composition, where the plasticizer is a linear, cyclic, or branched composition having greater than 25 wt% OH; and up to 40 wt% of one or more additives. The adhesive properties of the formulations may be tailored, where a low OH content may result in increased adhesion relative to plasticizers having a high OH content.
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
A61Q 19/04 - Preparations for care of the skin for chemically tanning the skin
Epilatory compositions may be formed from: 40 to 80 wt % water; 5 to 30 wt % of a mixture of at least one polyvinyl alcohol and at least one polyvinyl alcohol copolymer; 1 to 15 wt % plasticizer, where the plasticizer is a linear or branched composition having from 3 to 15 wt % OH; and up to 40 wt % of one or more additives. Pore strip, keratonic plug removal, and other cosmetic applications may be formed from a similar composition, where the plasticizer is a linear, cyclic, or branched composition having greater than 25 wt % OH; and up to 40 wt % of one or more additives. The adhesive properties of the formulations may be tailored, where a low OH content may result in increased adhesion relative to plasticizers having a high OH content.
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
A61Q 1/10 - Preparations containing skin colorants, e.g. pigments for eyes, e.g. eyeliner, mascara
A water soluble film useful in unit-dose chemical packaging is disclosed. The film may include: a water soluble saccharide and a polyvinyl alcohol copolymer consisting essentially of: (a) from 80 to 99 mole percent of vinyl alcohol and vinyl ester monomer; and (b) from 1 to 20 mole percent of a pyrrolidone comonomer. Such compositions may be used to provide a water-soluble film simultaneously satisfying requirements in regard to water solubility, biodegradability, and physical properties, even when used for packaging of harsh, oxidizing chemicals.
A water soluble film useful in unit-dose chemical packaging is disclosed. The film may include: a water soluble saccharide and a polyvinyl alcohol copolymer consisting essentially of: (a) from 80 to 99 mole percent of vinyl alcohol and vinyl ester monomer; and (b) from 1 to 20 mole percent of a pyrrolidone comonomer. Such compositions may be used to provide a water-soluble film simultaneously satisfying requirements in regard to water solubility, biodegradability, and physical properties, even when used for packaging of harsh, oxidizing chemicals.
Cold water-soluble PVOH/alkyI acrylate copolymers are provided with a substantially random distribution of monomers which is reflected in the polymer's cold water solubility, GPEC chromatograms and may be confirmed by C13 NMR. The product is particularly useful for films used in packaging and for encapsulating particulate products. Encapsulated products which may be provided include fertilizer or other agricultural products, pharmaceutical products, biomedical products and cosmetic products.
A water-soluble film which comprises a saccharide component and a vinyl alcohol resin component, where the vinyl alcohol resin may include functional comonomer units such as sulfonic acid functional groups or salts thereof. Preferred are polyvinyl alcohol/2-methylacrylamido-2 methyl propane sulfonic acid resins (PVOH/AMPS) which may be purchased commercially with relatively higher or relatively lower characteristic viscosity. The films exhibit superior resistance to aggressive oxidizing chemicals and remain soluble in water after prolonged exposure thereto. The films are particularly useful for unit-dose packaging of chlorine-containing pool chemicals, such as trichloroisocyanuric acid.
Disclosed herein is a water-soluble copolymer formed by copolymerizing N-vinylformamide and one or more vinyl C1-C10 alkyl esters, and then hydrolyzing from 30 to 100 mol% of the formyl groups from the copolymerized units to form amino groups and from 30 to 100 mol% of the C1-C10 alkyl ester groups from the copolymerized units to form hydroxyl groups, wherein the copolymer has a unimodal molecular weight distribution as evidenced by essentially one peak in a gel permeation gradient elution chromatographic analysis. A process to produce the polymer is also disclosed.
Disclosed herein is a barrier layer comprising a polyvinyl amine-polyvinyl alcohol copolymer applied to a substrate as a water-soluble composition, wherein the polyvinyl amine- polyvinyl alcohol copolymer is formed by copolymerizing: (a) from 99 to 1 mol% of N-vinylformamide and (b) from 1 to 99 mol% of one or more vinyl Ci-Ci0 alkyl esters, and then hydrolyzing from 30 to 100 mol% of the formyl groups from the copolymerized units (a) to form amino groups and from 30 to 100 mol% of the Cj-Cio alkyl ester groups from the copolymerized units (b) to form hydroxyl groups, wherein the copolymer has a unimodal compositional distribution as evidenced by essentially one peak in a gel permeation gradient elution chromatographic analysis. A method of producing a barrier layer is also disclosed.
A hair care product comprising water, a chelating agent, a copolymer, a pH adjusting agent and a hair treatment composition including a polyvinyl alcohol, polyvinyl alcohol copolymer, vinyl acetate emulsion, acrylic emulsion, vinyl acrylic emulsion, vinyl acetate copolymer emulsion or a combination thereof.
A process is provided for the manufacture of polyvinyl alcohol, having an APHA color of equal to or less than about 10, by polymerizing a vinyl acetate monomer to form polyvinyl acetate and then hydrolyzing the polyvinyl acetate to form polyvinyl alcohol wherein the vinyl acetate monomer is characterized as having an inhibitor level of equal to or less than about 10 ppm, preferably less than about 5 ppm, more preferably less than about 3 ppm, even more preferably less than about 1 ppm.
B32B 17/00 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like
C07C 67/055 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation in the presence of platinum group metals or their compounds
A chemical delivery product for delivering an oxidizing chemical into an aqueous system is disclosed. For instance, in one embodiment, a substrate containing an oxidizing chemical, such as trichloroisocyanuric acid, is coated with a water soluble polymer in order to prevent the oxidizing chemical from degrading prior to use and in order to facilitate handling. In accordance with the present disclosure, a neutralizing agent is contacted with the substrate in order to prevent the substrate from degrading the water soluble coating. In an alternative embodiment, a package is formed from a water soluble film forming composition combined with a base.
A water-soluble film which comprises a saceharide component and a vinyl alcohol resin component, where the vinyl alcohol resin may include functional comonomer units such as sulfonic acid functional groups or salts thereof. Preferred are polyvinyl alcohol/2-methylacrylamido-2 methyl propane sulfonic acid resins (PVOH/AMPS) which may be purchased commercially with relatively higher or relatively lower characteristic viscosity. The films exhibit superior resistance to aggressive oxidizing chemicals and remain soluble in water after prolonged exposure thereto. The films are particularly useful for unit-dose packaging of chlorine-containing pool chemicals, such as trichloroisocyanuric acid.
A water soluble film useful in unit-dose chemical packaging is disclosed. The film may include: a water soluble saccharide and a polyvinyl alcohol copolymer consisting essentially of: (a) from 80 to 99 mole percent of vinyl alcohol and vinyl ester monomer; and (b) from 1 to 20 mole percent of a pyrrolidone comonomer. Such compositions may be used to provide a water-soluble film simultaneously satisfying requirements in regard to water solubility, biodegradability, and physical properties, even when used for packaging of harsh, oxidizing chemicals.
