Curing through large bond gaps, of approximately 0.5 - 1.0 mm, has proven particularly challenging in the field of adhesives technology. Most noteworthy is the difficulty associated with providing one-part adhesive formulations capable of curing through large bond gaps. Disclosed herein are radically curable compositions comprising a radically curable component, and an initiator component capable of initiating cure of the radically curable component. The initiator comprises at least one metal salt and a free radical generating component. The metal salt of the composition is chosen so that it is reduced at the surface to which it is applied. The compositions further comprise an additive, as disclosed herein, for improving the ability of the composition to cure through large bond gaps.
C09J 4/00 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
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
The present invention relates to a process for producing 2-cyanoacetic acid anhydride, comprising the steps of a) preparing a reaction mixture, containing as reactants 2-cyanoacetic acid, and at least one C4-20 carboxylic acid anhydride in at least one organic solvent, wherein the molar ratio of 2-cyanoacetic acid to C4-20 carboxylic acid anhydride in said reaction mixture is greater than 1.5:1, and b) subjecting the reaction mixture to a temperature of 0°C to 100°C to form 2-cyanoacetic acid anhydride. The present invention also relates to process for producing 2-cyanoacetic acid esters, 2-cyanoacetic acid amides and/or 2-cyanoacetic acid thioesters from 2-cyanoacetic acid anhydride.
C07C 253/30 - Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
C07C 255/23 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and carboxyl groups, other than cyano groups, bound to the same unsaturated acyclic carbon skeleton
A brush applicator adapted to be reversibly mated to an outlet nozzle of a container for holding curable product, the applicator comprising an applicator body which has a receiving opening, adapted to matingly receive therein the outlet nozzle, and a dispensing opening; a conduit defined in the applicator body running between the receiving opening and the dispensing opening; a series of filaments integrally formed with the applicator body about the dispensing opening and arranged to act as a brush, so that when the applicator is mated to the outlet nozzle the brush can be utilised to apply curable product dispensed from the outlet nozzle of the container and through the applicator body.
A device for expressing a substance from a deformable tube is disclosed. The device comprises a casing having a base end, a top portion opposite the base end and side wall portions intermediate the base end and the top portion, and a squeezer insertable in the casing. The squeezer comprises two opposing jaws for gripping and expressing a substance from the tube, and the casing has an aperture in the top portion through which a discharge outlet of the tube is extendable. The casing also has apertures in opposing parts of the side wall portions through which the jaws are actuatable. The squeezer has a manuallever element on at least one jaw, with thelever element being attached to the jaw by a fulcrum in an arrangement wherein manual pressure applied to the lever element about the fulcrum causes flexing of the jaw.
B65D 35/28 - Pliable tubular containers adapted to be permanently deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid materialHolders therefor with auxiliary devices for expelling contents
The present invention relates to anaerobically curable compositions containing a benzoxazine component and which demonstrates resistance to elevated temperature conditions and/or accelerated cure speed.
C08L 33/06 - 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
C08F 20/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic 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
The present invention provides for compounds comprising at least one phosphonate or phosphinate moiety; and at least one moiety selected from an aromatic nitroso or an aromatic nitroso precursor and combinations thereof. Adhesive compositions comprising the compounds may find utility in bonding polymers to metal and or hydroxylated surfaces such as glass. Suitable polymers include natural and synthetic rubbers. The aromatic nitroso precursor may be a nitrosobenzene precursor such as at least one of a quinone dioxime or a quinone oxime.
Methods for bonding polymeric substrates to hydroxylated surfaces such as glass are disclosed. The polymeric substrates may be elastomeric substrates such as a natural or synthetic rubber. The method may comprise applying a compound comprising at least one alkoxy silane moiety and at least one moiety selected from a nitrosoaromatic or a nitrosoaromatic precursor to one of the substrates. The nitrosoaromatic moiety may be a nitrosobenzene. The nitrosoaromatic precursor may be a nitrosobenzene precursor, such as at least one of a quinone dioxime or a quinone oxime. Novel primers and compounds suitable for use in the bonding process are also disclosed.
C07F 7/10 - Compounds having one or more C—Si linkages containing nitrogen
C09J 5/02 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving pretreatment of the surfaces to be joined
Compositions having a compound comprising at least one alkoxy silane moiety, and at least one moiety selected from a nitrosoaromatic or a nitrosoaromatic precursor and combinations thereof; and an aqueous or water containing carrier medium are provided for use in polymer bonding. The water may allow for substantial hydrolysis of the compound. Suitable polymers may have diene or allylic functionality within the polymer chain, for example an elastomer such as a natural or synthetic rubber. The polymers may be bonded to metals or substrates with hydro xylated surfaces such as glass. The nitrosobenzene precursor may be at least one of a quinone dioxime or a quinone oxime.
C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
The present invention relates to infrared absorbing dye-containing cyanoacrylate compositions and a method of using such compositions, such as in forming a weld between at least two surfaces of one or more workpieces, over a joint region, using a laser.
C09J 4/00 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C08F 220/00 - 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
C09J 133/00 - Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofAdhesives based on derivatives of such polymers
10.
CURE ACCELERATORS FOR ANAEROBIC CURABLE COMPOSITIONS
The present invention relates to cure accelerators useful for anaerobic curable compositions, such as adhesives and sealants. The cure accelerators are constructed as urethane/urea/thiourethane (meth)acrylate resins from diols and include a unit embraced within structure A (see A) where X is C1-20 alkyl, C2-20 alkenyl, or C7-20 alkaryl, any of which may be interrupted by one or more hereto atoms, and which are functionalized by at least one and preferably at least two groups selected from -OH, -NH2 or -SH and Z is 1-3.
C08G 18/70 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
C08L 33/06 - 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 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
11.
CURE ACCELERATORS FOR ANAEROBIC CURABLE COMPOSITIONS
[0001] The present invention relates to cure accelerators useful for anaerobic curable compositions, such as adhesives and sealants, which cure accelerators are within structure A where X is H, C1-20 alkyl, C2-20 alkenyl, or C7-20 alkaryl, any of the latter three of which may be interrupted by one or more hereto atoms or functionalized by one or more groups selected from -OH, -NH2 or -SH, or X and Y taken together form a carbocyclic ring having from 5-7 ring atoms; Z is 0, S, or NX', where X' is H, C1-20 alkyl, C2-20 alkenyl, or C7-20 alkaryl, any of the latter three of which may be interrupted by one or more hereto atoms or functionalized by one or more groups selected from -OH, -NH2 or -SH; R is optional but when present may occur up to 3 times on the aromatic ring and when present is C1-20 alkyl, C2-20 alkenyl, or C7-20 alkaryl, any of the latter three of which may be interrupted by one or more hereto atoms or functionalized by one or more groups selected from -OH, -NH2 or SH; and n is 0 or 1; and z is 1-3, provided that when X is H, z is not 2 and is preferably 1.
C08G 61/12 - Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
C08G 73/06 - Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromoleculePolyhydrazidesPolyamide acids or similar polyimide precursors
C08L 33/06 - 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
This invention relates to cyanoacrylate compositions that include, in addition to the cyanoacrylate component, a compound embraced by structure A: where D is independently a member selected from O or S, and A is independently a member selected from hydrogen, linear, branched or cyclic alkyl groups having from 1 to about 20 carbon atoms, alkenyl groups having from 2 to about 20 carbon atoms, alkynyl groups having from 2 to about 20 carbon atoms, and aryl groups having from 6 to about 20 carbon atoms, with or without interruption or substitution by a member selected from halogen, silicon, hydroxy, ester, and sulfate, provided that at least one A is not H and that at least one A has at least one carboxyl group attached thereto.
C08K 5/3467 - Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
C08L 35/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereofCompositions of derivatives of such polymers
C09J 4/00 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09J 133/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
A bonding composition comprising at least an encapsulated aromatic nitroso compound, or an aromatic nitroso compound precursor and an encapsulated oxidant, or an encapsulated aromatic nitroso compound precursor and optionally encapsulated oxidant is provided. The compositions may find utility in polymer to metal, in particular, rubber to metal bonding. The aromatic nitroso compound or aromatic nitroso compound precursor may be nitrosobenzene/dinitrosobenzene or nitrosobenzene/dinitrosobenzene precursor respectively. The nitrosobenzene or dinitrosobenzene precursor may be a quinone oxime or a quinone dioxime.
Compositions comprising at least one copper compound, and an aromatic nitroso compound precursor are provided. The copper compound may oxidise the aromatic nitroso compound precursor to provide an aromatic nitroso compound. The compositions may find utility in polymer to metal, in particular, rubber to metal bonding. The aromatic nitroso compound precursor may be a nitrosobenzene/dinitrosobenzene precursor. The nitrosobenzene or dinitrosobenzene precursor may be at least one of a quinone oxime or a quinone dioxime.
The present invention relates to one-part cationically curable compositions with storage stability, wherein cure is independent of external stimuli such as heat and UV irradiation. In particular, the present invention provides for compositions with a long shelf life that will cure only upon application of the composition to the target surface, i.e. the surface is involved in initiating cure of the cationically curable component. Suitable compositions comprise those for curing on a surface comprising carbon-halogen covalent bonds comprising a cationically curable component and a non-halide silver salt. The present invention also relates to a primer capable of promoting cure of cationically curable non-halide silver salt compositions.
C08G 59/00 - Polycondensates containing more than one epoxy group per moleculeMacromolecules obtained by reaction of epoxy polycondensates with monofunctional low-molecular-weight compoundsMacromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
16.
METAL-TO-POLYMER BONDING USING AN ADHESIVE BASED ON EPOXIDES
A process of bonding a metal substrate to a non-halogenated polymer, especially of bonding a polyolefin overcoat to a metallic tube or pipe, using an epoxy-based adhesive which comprises at least one salt of a metal ion M in an oxidation state of n which has a standard reduction potential E0M more positive than the standard reduction potential of the surface of the metal substrate; an object comprising a metal substrate and a non-halogenated polymer bonded together by this process; a tube or pipe made of a metal substrate onto which a layer of a non-halogenated polymer is bonded by a cured epoxy-based adhesive.
Provided is a complex of hydrogen peroxide and at least one compound represented by Formula (I): wherein X is (i), -C(R3)3, -C=C(R3), -O(R3), -N(R3)2, or -S(R3); and R1, R2, and R3 are each independently selected from H, alkyl, alkenyl, alkynyl, aralkyl, aryl, heteroaryl heteroarylalkyl, heterocyclyl, and cycloalkyl, or R2 and an R3 are optionally taken together to form an alicyclic ring. Also provided are anaerobic cure systems and curable compositions employing the complexes described herein.
C07C 233/09 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic unsaturated carbon skeleton
C07C 233/08 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to acyclic carbon atoms of a saturated carbon skeleton containing rings
The present invention relates to polymer coated metal powders, such as metal powders used in the formation of solder alloys and pastes. The metal powders are coated with curable compositions of cyanoacrylates. The present invention relates to polymer coated metal powders, such as metal powders used in the formation of solder alloys and pastes. The metal powders are coated with curable compositions of cyanoacrylates, and once cured the coating on the metal powder is a cyanoacrylate polymer.
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
B23K 35/36 - Selection of non-metallic compositions, e.g. coatings, fluxesSelection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
C08L 33/20 - Homopolymers or copolymers of acrylonitrile
There is provided a cyanoacrylate composition comprising : a cyanoacrylate; and a 2-substituted benzothiazole or a derivative thereof wherein the 2-substituent is an alkyl, an alkene, an alkylbenzyl, an alkylamino, an alkoxy, an alkylhydroxy, an ether, a sulfenamide, a thioalkyl or a thioalkoxy group, with the proviso that an amide portion of the sulfenamide does not have a tert butylamino or a morpholine group.
This invention relates to toughened cyanoacrylate compositions which exhibit improved peel strengths and fixture speeds. The toughened cyanoacrylate compositions described include a toughening agent comprising a co-polymer of polyethylene and polyvinyl acetate.
C09J 4/00 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C08F 210/00 - Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
C08F 216/00 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical
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
21.
TRANSFERABLE CURABLE NON-LIQUID FILM ON A RELEASE SUBSTRATE
The present invention relates to transferable curable non-liquid film on a release substrate, comprising at least one curable component which is an electron deficient olefin component, process for making same, bonding processes utilising same, assemblies comprising substrates bonded together using same and the cure product of said films. Pre-applied materials are also described.
A cap for applying a flowable product to a substrate. The cap includes an applicator having a reservoir for holding a flowable product. The cap can be manually actuated to dispense flowable product to a substrate. The cap is selectively engaged to a container holding flowable product.
A46B 11/00 - Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
A46B 1/00 - Brush bodies and bristles moulded as a unit
A46D 1/00 - BristlesSelection of materials for bristles
B65D 51/32 - Closures not otherwise provided for combined with auxiliary devices for non-closing purposes with brushes or rods for applying or stirring contents
23.
SURFACE-PROMOTED CURE OF ONE-PART RADICALLY CURABLE COMPOSITIONS
The present invention relates to radically curable compositions for curing on a surface comprising a radically curable component, and an initiator component capable of initiating cure of the radically curable component. The initiator comprises at least one metal salt and a free radical generating component. The metal salt of the composition is chosen so that it is reduced at the surface, where the standard reduction potential of the metal salt is greater than the standard reduction potential of the surface, and where when the composition isplaced in contact with the surface, the metal salt is reduced at the surface, and interacts with the free radical generating component, thereby initiating cure of the radically curable component of the composition. No catalytic component is required in the composition for efficient curing.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C08K 3/00 - Use of inorganic substances as compounding ingredients
The present invention relates to cationically curable compositions for curing on a surface comprising a cationically curable component, and an initiator component capable of initiating cure of the cationically curable component. The initiator comprises at least one metal salt, which is chosen so that it is reduced at the surface, wherein the standard reduction potential of the initiator component is greater than the standard reduction potential of the surface, and further wherein when the composition is placed in contact with the surface, the metal salt of the initiator component of the composition is reduced at the surface, thereby initiating cure of the cationically curable component of the composition. No catalytic component is required in the composition for efficient cure.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
A compound comprising at least one alkoxy silane moiety; and at least one moiety selected from a nitrosobenzene or a nitrosobenzene precursor and combinations thereof are provided and usedin polymer to metal, in particular rubber to metal bonding. The nitrosobenzene precursor may be at least one of a quinone dioxime or a quinone oxime. The invention also provides for a compound comprising at least one alkoxy silane moiety; and at least one moiety selected from an aromatic nitroso or an aromatic nitroso precursor and combinations thereof.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/77 - Polyisocyanates or polyisothiocyanates having hetero atoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
The present invention relates to adducts useful for improving the toughness and curable compositions using such toughening adducts. In a particular aspect, the present invention relates to inventive toughening adducts and curable compositions having improved fracture toughness using those toughening adducts.
C08G 61/12 - Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
C08G 73/06 - Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromoleculePolyhydrazidesPolyamide acids or similar polyimide precursors
A cap (2) for overfitting a nozzle (3) having an elongate nozzle body. The cap is for receiving and overfitting the nozzle body of the nozzle. The cap has three elongate spaced apart wing portions (30) each having a wing profile each forming part of the outside surface of the cap. The nozzle has matching depressions (59), which come into register with the concave surfaces of the cap. The assembly of cap over nozzle is suitable as a closure for a container holding curable product such as adhesive. A locking ring (81) may be provided on the tube for locking a nozzle to the tube (80).
B65D 41/04 - Threaded or like caps or cap-like covers secured by rotation
B65D 47/12 - Closures with discharging devices other than pumps with pouring spouts or tubesClosures with discharging devices other than pumps with discharge nozzles or passages having removable closures
28.
ACTIVATED METHYLENE REAGENTS AND CURABLE COMPOSITIONS PREPARED THEREFROM
This invention relates to novel compounds with ester linkage (s) capped with either electron deficient olefinic linkage (s) or group (s) or reactive functional groups (termed herein as 'active methylene reagents'), and curable compositions prepared therefrom.
C07C 69/533 - Monocarboxylic acid esters having only one carbon-to-carbon double bond
C07C 255/15 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and singly-bound oxygen atoms bound to the same unsaturated acyclic carbon skeleton
C07C 255/17 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and doubly-bound oxygen atoms bound to the same acyclic carbon skeleton
C07C 265/04 - Derivatives of isocyanic acid having isocyanate groups bound to acyclic carbon atoms of a saturated carbon skeleton
C07D 305/06 - Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring atoms
C09J 4/00 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
29.
ADHESIVE SYSTEMS USING IMINES AND SALTS THEREOF, PRECURSORS TO ELECTRON DEFICIENT OLEFINS AND COREACTANTS THEREFOR
This invention relates to novel electron deficient olefins, such as certain 2-cyanoacrylates and methylidene malonates, prepared using an imine or an iminium salt.
C07C 69/593 - Dicarboxylic acid esters having only one carbon-to-carbon double bond
C07C 255/15 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and singly-bound oxygen atoms bound to the same unsaturated acyclic carbon skeleton
C07C 255/17 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and doubly-bound oxygen atoms bound to the same acyclic carbon skeleton
C09J 4/00 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
C09J 163/00 - Adhesives based on epoxy resinsAdhesives based on derivatives of epoxy resins
32.
METHOD OF BONDING ALUMINIUM SUBSTRATES WITH ANAEROBIC SEALANTS TO FORM A SEAL
The invention relates to a method of providing a seal between an aluminium substrate and a second substrate, wherein the seal is exposed to engine fluids selected from oils and/or coolant mixtures at elevated temperatures in the range from 600C to 175°C. The method of the invention involves (a) applying to at least one of the substrates an anaerobic sealant composition made from (i) one or more polymerizable (meth)acrylate ester monomers, (ii) an anaerobic cure- inducing component, and (iii) 0.05 to 0.25 % by weight, based on the total composition, of an adhesion promoter comprising one or more phosphorus-containing compounds having the general formula (I), wherein: R1 is H, CH3 or C2H5, R2 is -CH2-C2H4TC3H6-, or -CH2-CH-(CH3)-, R3 is H, CH3 or C2H5, n is an integer from 1 to 10, and m is an integer from 1 to 3; (b) bringing the substrates together face-to-face with a gap between the faces in the range from 0.1 to 0.25 mm, in at least part of the total face-to-face area, and (c) allowing or enabling the composition to cure at substantially ambient temperature.
This invention relates to novel iminium salts, which may be in the form of ionic liquids, and a process for producing electron deficient olefins, such as 2-cyanoacrylates, using such an iminium salt, for instance in the form of an ionic liquid.
C07C 251/30 - Compounds containing nitrogen atoms doubly- bound to a carbon skeleton containing imino groups having nitrogen atoms of imino groups quaternised
C07C 253/30 - Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
The present invention relates to novel adducts useful for improving the toughness and curable compositions using such toughening adducts. In a particular aspect, the present invention relates to novel toughening adducts and curable compositions having improved fracture toughness using those toughening adducts.
This invention relates to a system for forming a composite from a cyanoacrylate composition and a filler within depressions, holes, cracks or spaces in a substrate. The system also allows for the placement of a cantilevered member in the filled depression, hole, crack or space in the substrate to support a load when the cyanoacrylate has cured.
C09J 4/00 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09J 5/04 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving separate application of adhesive ingredients to the different surfaces to be joined
The present invention relates to thickened cyanoacrylate compositions, such as those in gel or non-flowable forms. More particularly, the present invention relates to non-flowable cyanoacrylate compositions which can be packaged in a convenient pocket-sized applicator dispenser for use in spreading the cyanoacrylate compositions onto substrates.
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