Abstract: Coating of organic and inorganic pigments with acrylic resins, comprising a chemical compound consisting of particles of solid organic and inorganic substances, both defined as pigments, in that they are substances which absorb a fraction of the light and reflect the complementary part thereof, coated with acrylic and, optionally, aldehyde and/or ketone resins. The latter are deposited on the surface of the pigment by means of a process which envisages melting of the resin, consequent wetting and coating of the entire surface of the pigment with the resin in the melted state, the consequent cooling and subsequent step of grinding by means of mechanical systems operating in temperature conditions lower than 20° C., by means of cryogenic processes or granulate by means of a wet method with a water jet cutting action and separation of the granulates by the water on a vibrating screen and then dried on a spiral elevator.

Abstract: The present invention discloses a thermosetting aqueous paint, comprising an oligomer (A-1), having a specific acid value, hydroxyl value and number average molecular weight, and obtained by reacting a compound having at least one hydroxyl group and at least one carboxyl group in a molecule thereof, a monoepoxide compound having a long-chain hydrocarbon group, and as necessary, a polyvalent carboxylic acid and/or polyvalent carboxylic acid anhydride, and/or a polyester resin (A-2) obtained by further reacting a polyvalent carboxylic acid and/or a polyvalent carboxylic acid anhydride and/or a polyisocyanate compound with the oligomer, and a crosslinking agent (B); and also discloses a method for forming a paint film using this paint.

Abstract: The invention relates to aminoplast or phenoplast resins comprising the reaction product of the following compounds: a substituted or unsubstituted amine derivative or a substituted or unsubstituted phenol derivative; at least one glyoxal monoacetal; and glyoxylic acid, and also the compositions containing them and their uses as adhesives or binders.

Abstract: The present invention provides compositions such as a polymer grout, a molded plastic part, a void-filling plastic material, a concrete-anchoring material and a polymeric casting made from a thermosetting polymer chosen from vulcanized rubbers, polyoxybenzylmethylen-glycolanhydride (“Bakelite”), novolac resins, resole phenolic resins, duroplast, bismaleimide resins, polyimide resins, melamine, acrylic resins, polyester resins, cyanate ester resins, phenolic triazine resins, paracyclophane resins and epoxy resins and at least one phase change material (“PCM”). The compositions of the present invention have a lowered exotherm compared to compositions made from the same thermosetting polymer without the addition of a phase change material. Also provided are improved processes for producing the inventive compositions.

Abstract: A microcapsule comprising a core containing a hydrophobic liquid or wax within a polymeric shell, in which solid particles insoluble in the hydrophobic liquid or wax are distributed throughout the core, wherein an oil soluble dispersant polymer is adhered to the surface of the solid insoluble particles. Processes of obtaining the microcapsules and dispersions of microcapsules in a liquid are claimed. The microcapsules can be used in a variety of applications particularly in the field of thermal energy storage. Suitably the microcapsules can be designed to have a particular density and can be used in the transfer fluids where the density of the microcapsules are the same as the carrier fluid.

Abstract: The present invention provides a polyacetal resin composition having excellent weather resistance and suppressed surface gloss, and having extremely reduced generation of formaldehyde. Particularly, to 100 parts by weight of (A) a polyacetal resin are blended 0.01 to 5 parts by weight of (B) a weathering (light) stabilizer, 1 to 50 parts by weight of (C) a core-shell polymer having a core of a rubbery polymer and a shell of a glassy polymer composed of a vinyl-based copolymer; and 0.01 to 5 parts by weight of (D) a compound selected from an isocyanate compound, an isothiocyanate compound, and a modified compound thereof.

Abstract: A coating composition is disclosed, comprising a binder component having hydroxyl-functional groups; a curing agent having functional groups, wherein the functional groups of the curing agent are reactive with the hydroxyl-functional groups of the binder component; and pulverized rubber, the pulverized rubber having particles with a size suitable for spraying the coating.

Abstract: The invention relates to moldings or molding compositions composed of polyoxymethylene and featuring very low formaldehyde emission, comprising from 0.1 to 50.0% by weight of a tribological modifier, from 0.01 to 0.5% by weight of a cyclic stabilizer which contains at least one nitrogen atom in the ring, and from 0.05 to 1% by weight of at least one ester composed of a polyhydric alcohol and of at least one (C10-C32) fatty acid, and also to their production and use.

Abstract: The present invention provides a polyacetal resin composition having excellent mechanical characteristics with reduced generation of formaldehyde. To 100 parts by weight of (A1) a polyacetal resin having substantially straight chain molecular structure, there are added 0.1-20 parts by weight of (A2) a polyacetal resin having a branched or cross-linked molecular structure, 3-200 parts by weight of (B) a glass-base inorganic filler, and 0.001 to 3 parts by weight of (C) a boric acid compound.

Abstract: Emulgator-free microgel, dispersed in an aqueous phase, obtainable by producing a polyacrylate (A) in the presence of at least one compound (B) containing a phosphonic acid group, where the polyacrylate (A) has at least one hydroxyl group and at least one carboxyl group; aqueous phase crosslinking of the reaction mixture originating from step a) with an aminoplast resin (C); subsequent emulsion polymerization of the reaction mixture originating from step b) with at least one monomer compound (D) which contains at least one radically polymerizable double bond.

Abstract: A water-dispersed coating composition comprising an amino resin, and a dispersion of latex polymer particles comprising from 0.1 to 2 weight percent of a multi-ethylenically unsaturated monomer and from 0.1 to 2 weight percent of (meth)acrylamide.

Abstract: Heat-activable adhesive tape for producing and further processing flexible conductor tracks, with an adhesive composed at least of a. an acrylonitrile-butadiene copolymer, with a weight fraction of 40% to 80% by weight, b. a polyvinyl acetal, with a weight fraction of 2% to 30% by weight, c. an epoxy resin, with a weight fraction of 10% to 50% by weight, and d. a hardener, the epoxide groups being chemically crosslinked with the hardener at high temperatures.

Abstract: A water based coating composition containing 2-40 wt % resin, 0.05-30 wt % mixed solution including grafting filler/Si compound/surfactant/polymer and 0.05-10 wt % additives can be used for the production of an optical-use polyester film. The described resin contains about: a. 20-50 wt %, based on the weight of the coated layer, of composition A which is polyester resin; b. 10-40 wt %, based on the weight of the coated layer, of composition B which is alkylated melamine formaldehyde crosslinking resin; c. 20-80 wt %, based on the weight of the coated layer, of composition C which is acrylic resin. The coated polyester film has some superior properties such as high transparency, low haze value, good adhesion and anti-blocking property. It is suitable for optical applications such as a base film of the brightness enhance film or a base film for the light diffusing plate in a LCD.

Abstract: Purpose of the present invention is consists in provision of a water-borne metallic color coating composition, a two-coating and one-baking application method therewith, and a multilayered coating film having an excellent flip-flop property thereby, wherein the water-borne metallic color coating composition has superior properties such as coloring property, recoat adhesion, chipping resistance, water-resistant adhesion, and the like. The water-borne metallic color coating composition can provide a coating film having the above-superior properties and an excellent flip-flop property, by a two-coating and one-baking application method, without disturbing the orientation of the luster color pigment(s) therein before/after an application of a clear coating composition and without adversely effecting on the flip-flop property.

Abstract: The present invention relates to a halogen-free phosphorous epoxy resin composition, primarily used as an adhesive for the printed circuit board. The composition comprises a halogen-free phosphorous contained epoxy resin which reduces the addition amount of additional flame retardant; in order to offer flame retardancy while maintaining high flexibility of flexible printed circuit board.

Abstract: The invention relates to aqueous dispersions of water-soluble polymers of N-vinyl-carboxamides, which are substantially salt-free and comprise anionic polymeric stabilizers having a comb-like molecular structure, processes for the preparation of the dispersions in the presence of anionic polymeric stabilizers having a comb-like molecular structure and the use of the dispersions as retention aids or fixing agents in papermaking.

Abstract: Polyacetal compositions and blends toughened with polyvinylbutyral having enhanced adhesive surface properties, including enhanced surface adhesion and low surface gloss, are disclosed. Also disclosed are articles of manufacture comprising the polyacetal compositions described herein.

Abstract: A modifier material and method for making the same is characterized by the addition of a partitioning agent to a polymer material such as synthetic rubber to prevent reagglomeration of the rubber. The partitioning agent reduces the time required to disperse the modifier material in a material to be modified and also reduces the viscosity of the modified material so that the modified material is easier to handle. The partitioning agent preferably includes a mixture of phenyl formaldehyde resin and precipitated silica gel.

Abstract: A method to invert an inverse emulsion water compatible polymer product using a combination of surfactants that have specific chemical structures is disclosed. A combination, or blend, of two or more surfactants provides for an effective breaker system. The blend of surfactants is more effective than the individual surfactants.

Abstract: Provided is thermosetting urea-formaldehyde (UF) resin binder formulation modified with a thickener. The formulation preferably has a viscosity in the range of from 3 to 10 cP and a surface tension of from 35 to 50 mN/m, and is preferably prepared from a binder composition exhibiting a viscosity of from 175 to 250 cP.

Abstract: Additives comprising dispersed silica nanoparticles are disclosed. The silica nanoparticles are dispersed in an aminoplast, such as a modified aminoplast formed from the reaction between an aminoplast, a modifying component, and optionally a siloxane. The resulting additives can be added to coating compositions to provide improved mar and/or scratch resistance.

Abstract: A coating composition comprising a film forming binder of a. at least one polymer that has pendant groups, such as, hydroxyl, carboxyl, glycidyl, amine, amide, silane and mixtures thereof that are reactive with a crosslinking component and the polymer has a glass transition temperature (Tg) of 10 to 80° C.; b. a polytrimethylene ether diol having a Mn (number average molecular weight) of 500 to 5,000; and c. a crosslinking component, such as, organic polyisocyanates, melamine formaldehydes, alkylated melamine formaldehydes, benzoquanamine formaldehyde, urea formaldehyde, polyepoxides, silane resin and any mixtures thereof; wherein the coating composition can be used as a clear coating composition and can contain pigments and may be used as a pigmented top coating, a pigmented base coating, a primer or primer surfacer coating and is useful for coating automobile and truck bodies and parts, industrial equipment, appliances and exterior structures.

Abstract: Polyamide compositions and blends toughened with polyvinylbutyral and containing glass fiber are disclosed, together with articles of manufacture. These materials may also contain non-reactive polymers and antioxidants.

Abstract: A polyoxymethylene resin composition, which comprises (A) 100 parts by weight of polyoxymethylene resin, (B) 0.01 to 5 parts by weight of at least one polymer selected from homopolymers of N-vinylcarboxylic acid amides and copolymers of N-vinylcarboxylic acid amides and other vinyl monomers, and (C) 0.01 to 5 parts by weight of at least one compound selected from the group consisting of polyalkylene glycol and its derivatives, fatty acid amides, esters of alcohols and fatty acids, and esters of alcohols and dicarboxylic acids. Such a polyoxymethylene resin composition has a small amount of released formaldehyde gas during production and molding and suppressed scorching generation and is also distinguished in the water resistance and repeated impact resistance of the resulting moldings.

Abstract: A curable composition comprising (A) constituents containing carbamate groups I: —O—C(O)—NHR??(I) in which R=a hydrogen atom or an alkyl, cycloalkyl or aryl group, (B) constituents containing carbamate-reactive groups, the equivalents ratio of carbamate-reactive groups in (B) to carbamate groups in (A) being >0.

Abstract: Waterborne coating compositions, methods of applying such compositions, and substrates coated with such compositions are described. The compositions include an aqueous dispersion of a polyurethane resin, an epoxy resin, and a polyvinyl chloride resin. The compositions can also include an aminoplast such as a melamine, and one or more curing agents. Additionally, the compositions can include flatting agents, colored metallic and/or polymeric particles, hard particles, surfactants, rheology modifiers, defoamers, and coalescing aids. The coating composition can be applied to virtually any surface and cured using conventional heat curing techniques, whether or not there is a chemically embossed layer. However, it is advantageously used in surface coverings in combination with a chemically embossed layer. In one embodiment, the surface covering includes a chemically embossed layer and a cured top layer, which are both cured in a single heating step or plurality of heating steps.

Abstract: This invention relates generally to water resistant peelable protective and decorative clear or pigmented coating compositions and, more specifically, to solvent and aqueous based, polymeric coating compositions which form a protective and/or decorative coating on a variety of substrates, including automotive paints, metals, plastics, concrete, natural and synthetic elastomers, and ceramics. The coatings are be formulated for temporary or long term protection depending upon the application.

Abstract: A basecoat composition includes an acrylic polymer prepared from a combination of monomers including at least about 30% by weight ethyl acrylate, methyl acrylate, methyl methacrylate, or a combination of these. The basecoat composition also includes methylated melamine-formaldehyde resin and up to about 10% by weight of a butylated melamine-formaldehyde resin, based on the weight of the basecoat composition vehicle and butylated melamine resin. An at least partially cured layer of the basecoat composition offers improved adhesion with a coating composition layer applied over it and cured, whether the coating composition layer applied over it is another layer of the basecoat composition itself or a layer of a clearcoat composition.

Abstract: The present invention is directed to a method for producing a copolymer and a copolymer product of the method. The copolymer is prepared by a controlled radical polymerization process, typically an atom transfer radical polymerization process, in which polymerizable alkene monomers are polymerized in the presence of a halogenated polyolefin macroinitiator. The copolymer product of this process is useful in a film-forming composition that adheres strongly to polyolefinic substrates and to which non-polyolefinic film-forming compositions strongly adhere. The copolymer can be applied to a substrate in an adhesion-promoting layer or can be incorporated into a film-forming composition, such as a primer, that contains additional resinous compounds.

Abstract: The present invention relates to paint compositions having a water-based resin system having a colorant granule that does not dissolve therein. The resulting paint compositions produce unusual, but desirable, effects after the application of sufficient pressure to release a second colorant. Hence, the present invention includes methods for their use and manufacture.

Abstract: A curable, aqueous film-forming composition is provided, comprising: (a) a copolymer containing reactive functional groups and comprising at least 30 mol % of residues having alternating structural units: —[DM—AM]— wherein DM represents a residue from a donor monomer, and AM represents a residue from an acceptor monomer, at least 15 mol % of the copolymer comprising a donor monomer having the structure (I): wherein R1 is linear or branched C1 to C4 alkyl, R2 is selected from methyl, linear, cyclic or branched C1 to C20 alkyl, alkenyl, aryl, alkaryl and aralkyl; and (b) a curing agent having functional groups reactive with the reactive functional groups of (a). The invention is also directed to a multi-component composite coating composition including a base coat deposited from a pigmented film-forming composition and a transparent topcoat applied over the base coat. At least one coat is the film-forming composition described above.

Abstract: The invention is directed to an adhesive system for wood containing a synergistic mixture of melamine-formaldehyde resin, phenol-formaldehyde resin, and cross-linked polyvinyl acetate emulsion resin wherein the mixture is cured by an acid.

Abstract: A curable, aqueous film-forming composition is provided that includes a polymeric binder comprising reactive functional groups, a crosslinking agent having at least two functional groups that are reactive with the functional groups of the polymeric binder, and a copolymer flow control agent comprising at least 30 mol % of residues containing alternating residues from a donor monomer and from an acceptor monomer. The copolymer contains at least 15 mol % of an isobutylene type donor monomer. A multi-component composite coating composition is also provided, comprising a base coat deposited from a pigmented film-forming composition and a transparent topcoat applied over the base coat. The topcoat is deposited from the film-forming composition described above.

Abstract: The present invention is directed to a method for producing a copolymer and a copolymer product of the method. The copolymer is prepared by a controlled radical polymerization process, typically an atom transfer radical polymerization process, in which polymerizable alkene monomers are polymerized in the presence of a halogenated polyolefin macroinitiator. The copolymer product of this process is useful in a film-forming composition that adheres strongly to polyolefinic substrates and to which non-polyolefinic film-forming compositions strongly adhere. The copolymer can be applied to a substrate in an adhesion-promoting layer or can be incorporated into a film-forming composition, such as a primer, that contains additional resinous compounds.

Abstract: A method for improving the balance of tensile strength and tear strength of cured urea formaldehyde (UF) resin-bound glass fiber nonwoven mats; the glass fiber nonwoven mats produced by the method, and a phosphate-containing binder composition useful in the method. The mats are useful in, for example, the manufacture of roofing shingles.

Abstract: By coating a dip-formed article with a coating agent comprising a polymer latex dispersion-stabilized with a water-soluble high-molecular-weight compound containing an alcoholic hydroxyl group, a coated article having excellent donning and putting off properties and anti-blocking property, and exhibiting greatly reduced fine particles-releasability is obtained.

Abstract: The invention pertains to an aqueous cross-linkable polymer composition comprising: W a) a water-soluble first polymer comprising acid groups, which is at least partially neutralized with a volatile base; b) a dispersion of a substantially water-insoluble second polymer, which comprises carbonyl-functional groups, which may be produced by emulsion polymerization in the presence of an aqueous solution of the first polymer; c) a cross-linking agent which can react by condensation with the carbonyl-functional groups of the second polymer; and d) a water-soluble, amine-functional third polymer.

Abstract: Aqueous polymer composition suitable for coating which comprises the following components dispersed in water: (1) a combination of an acrylic polymer(s) A and an acrylic polymer(s) B where polymer(s) A has a Tg of not more than 30° C. and polymer(s) B has a Tg of at least 35° C., more preferably at least 45° C., which is at least 25° C. higher than the Tg of polymer(s) A, and wherein one or both of polymers A and B bear crosslinker functional groups capable of imparting ambient-temperature crosslinkability to component (1) in a coating formed from the composition via the formation of non-radically-formed covalent bonds; and (2) a self-dispersible, ionically stabilised polymer having olefinically unsaturated bond functionality capable of imparting radiation-curability (preferably uv-radiation curability) thereto in a coating formed from the composition.

Abstract: A molding composition that features low water absorption, low thermal expansion and mold shrinkage is disclosed. The composition that optionally contains fillers or reinforcing agents contains polyamide, an impact modifier and a member selected from the group consisting of phenol-formaldehyde resin, an oligomeric or polymeric compound having at least 2 phenolic hydroxyl groups per molecule. Further optional components are compatibility promoter and a vinyl (co)polymer.

Abstract: The invention relates to an adhesive system comprising (a) an etherified amino resin, (b) a polymer prepared from one or more ethylenically unsaturated monomers, (c) a curing agent, and (d) a polyvinyl alcohol and the use thereof for gluing wood based products. The invention also relates to a hardener composition for gluing systems of the amino resin type comprising, (b) a polymer prepared from one or more ethylenically unsaturated monomers, said polymer containing post-crosslinking groups, (c) a carboxylic acid and (d) a polyvinyl alcohol and the use thereof for formulating an adhesive system. The invention further relates to a method of application of the adhesive system or the hardener composition onto the surface to be glued.

Abstract: An aqueous binder composition containing a urea-formaldehyde resin modified with an additive comprising (1) styrene acrylic acid or styrene acrylate, (2) an adduct of styrene, maleic anhydride, and an acrylic acid or acrylate or (3) a physical mixture of a styrene acrylic acid or styrene-acrylate copolymer and a styrene-maleic anhydride copolymer. The resulting binder is used in the preparation of fiber mats.

Abstract: A hardener for use in urea-formaldehyde and urea-melamine-formaldehyde based adhesives comprises a polyvinyl acetate emulsion together with a metal chloride and an ammonium salt. The adhesive composition comprising a urea-formaldehyde or urea-melamine-formaldehyde resin, and the above hardener provides an increased curing rate, an acceptable viscosity, better adhesion and greater tolerance towards substrate type.

Abstract: The present invention provides: an ink jet recording material which displays sufficient water resistance and further, excellent definition of initial images; and a coating agent therefor to give such an ink jet recording material. A first coating agent for ink jet recording materials, according to the present invention, comprises: an aqueous polymer having a carboxyl group; and a water-soluble polymer having an oxazoline group as a crosslinking agent. A second coating agent for ink jet recording materials, according to the present invention, comprises a polymer and a crosslinking agent, wherein the polymer has both a structural unit, as formed by ring-opening polymerization of an oxazoline compound, and a carboxyl group.

Abstract: A basecoat composition includes an acrylic polymer prepared from a combination of monomers including at least about 30% by weight ethyl acrylate, methyl acrylate, methyl methacrylate, or a combination of these. The basecoat composition may also include a combination of methylated melamine resin and butylated melamine resin. An at least partially cured layer of the basecoat composition offers improved adhesion with a coating composition layer applied over it and cured, whether the coating composition layer applied over it is another layer of the basecoat composition itself or a layer of a clearcoat composition.

Abstract: Aqueous self-crosslinking copolymer dispersions ABC obtainable by free-radically initiated copolymerization in the first stage of a monomer mixture A comprising olefinically unsaturated monomers A1 having carbonyl groups, unsaturated carboxylic acids or monoesters of unsaturated dicarboxylic acids A2, monomers A3 selected from vinylaromatic compounds, n-butyl methacrylate and also alkyl esters of unsaturated carboxylic acids or dialkyl esters of unsaturated dicarboxylic acids, esters A4 selected from alkyl esters of unsaturated carboxylic acids of dialkyl esters of unsaturated dicarboxylic acids, and other free-radically polymerizable monomers A5, and subsequent addition of a second monomer mixture B and further polymerization in the second stage, the mixture B comprising olefinically unsaturated monomers B1 corresponding to A1, esters B2 corresponding to A4, and monomers B3 corresponding to A5, and subsequently adding compounds C having hydrazine or hydrazide groups.

Abstract: A combination of a semi-soluble methacrylic polymer and a sulfonated naphthalene condensation product, optionally with a semi-soluble or insoluble ethyl methacrylate polymer of high molecular weight, provides improved resistance to staining by acid colorants of fibrous polyamide substrate.

Abstract: The present invention relates to polymeric resins that have been impregnated with insect repellents and methods for making same. In particular, the insect repellents contain citronella oil and d-limonene. Additionally, the present invention relates to products formed from insect repellent impregnated polymeric resins and methods for making same. Preferred products such as, for example, plastic tablecloths, plastic garbage receptacles and plastic garbage/lawn bags are described.

Abstract: A polymeric composition includes a first polymeric material, for example, an adhesive material, and a second polymeric material disposed as a plurality of elongated structures within the first polymeric material. Each elongated structure has a major axis and the major axes are substantially aligned. The first polymeric material has an index of refraction that differs by at least 0.01 from an index of refraction of the second polymeric material. In some instances, a pressure sensitive adhesive material is selected as the first polymeric material. The orientation of the elongated structures and the difference in indices of refraction results in the polymeric composition scattering light asymmetrically. The polymeric composition is optionally disposed on a substrate and can be used, for example, to extract light from a light guide or to asymmetrically alter the viewing angle of a display.

Abstract: A potentially hydrophilic resin comprises at least monomer units readily saponifiable under alkaline conditions to form carboxyl groups, carboxyl-containing monomer units, and hydroxyl-containing monomer units. A potentially hydrophilic resin composition comprises, in a liquid medium, the potentially hydrophilic and an adhesive component or film-forming component. A recycling method is provided for an article with a coating applied on a surface thereof. According to the recycling method, the coating on the surface of the article is formed with the potentially hydrophilic resin composition, and subsequent to use of the article, the article is treated with alkaline water to saponify methyl acrylate in the coating such that the coating is caused to swell, and the coating so swollen is removed from the article.

Abstract: The invention relates to an adhesive system comprising (a) an etherified amino resin, (b) a polymer prepared from one or more ethylenically unsaturated monomers, (c) a curing agent, and (d) a polyvinyl alcohol and the use thereof for gluing wood based products. The invention also relates to a hardener composition for gluing systems of the amino resin type comprising, (b) a polymer prepared from one or more ethylenically unsaturated monomers, said polymer containing post-crosslinking groups, (c) a carboxylic acid and (d) a polyvinyl alcohol and the use thereof for formulating an adhesive system. The invention further relates to a method of application of the adhesive system or the hardener composition onto the surface to be glued.