Abstract: Novel modifying agents contain a sharply-melting crystalline polymer ingredient, preferably a side chain crystalline (SCC) ingredient, and an active chemical ingredient. Such modifying agents, especially when in the form of particles, can be placed in contact with a matrix, will not modify the mix below the crystalline melting point Tp, but will rapidly modify the matrix above Tp. The active chemical ingredient can react with the matrix, catalyze a reaction of the matrix, or inhibit a reaction of the matrix. Particularly useful compositions are polymer precursors which are storage-stable at low temperatures but which are rapidly converted to crosslinked resins when heated to temperatures above Tp, optionally in the presence of light.

Abstract: The invention relates to block-polymethacrylate-block-polyalkylene oxide copolymers with terminal carboxylic acids, of the general formula I and to their use as a dispersing additive in aqueous pigment preparations and as a compatibilizer in SMC or BMC formulations.

Abstract: Curable suspensions of an epoxy resin formulation comprisinga) a storage-stable suspension of an epoxy resin and a toughener suspended therein which contains no groups that react with a curable epoxy resin system,b) dicyandiamide, a polycarboxylic acid, a polycarboxylic anhydride, a polyamine, a polyaminoamide, an amino group-containing adduct of an amine and a polyepoxide, a polyol or a catalytically curing hardener, and, as optional components,c) a curing catalyst, conventional fillers or reinforcing materials,are particularly suitable for use as casting resins, laminating resins or adhesives.

Abstract: The present invention provides a thermosetting organic solvent type coating capable of forming a cured coating film having a TUKON hardness at 20.degree. C. of 15 or more and the minimum value of dynamic modulus E' at a frequency of 110 Hz in the temperature range of 150-200.degree. C., of 1.times.1O.sup.9 dyn/cm.sup.2 or more. The cured film formed from the coating, as compared with the cured films formed from conventional organic solvent type coatings used as a top coat for automobile (e.g. an organic solvent type coating containing, as main components, a hydroxyl group-containing acrylic resin and a melamine resin, or a carboxylic-epoxy type coating), is at least equivalent in weatherability, finish appearance, acid resistance, etc. and superior in stain resistance.

Abstract: The present invention comprises an improved organic composite-plated steel plate which is obtained by applying a thermosetting resin to a chromate-coated alloy-plated steel plate and curing this, wherein, various aqueous resin compositions having the form of basic coating film formation components, such as, for example, aqueous vinyl modified epoxy ester resins, or aqueous vinyl modified epoxy ester resin / blocked isocyanate compound-types, or aqueous vinyl modified epoxy ester resin / blocked isocyanate compounds / colloidal silica-types, are used as the thermosetting resin described above.

Abstract: A flame retarded resin molding compositions with enhanced weatherable properties, which comprise a polyester and polycarbonate blend modified with an organopolysiloxane-polycarbonate and a glycidyl ester impact modifier for enhancing weatherablity and a flame retarding amount of a halogenated flame retardant.

Abstract: A release coating composition and a method of forming a release coating on a bakeware substrate using the coating composition is provided. The release coating composition includes (i) an acrylic resin, (ii) an epoxy resin, and (iii) a silicone release agent. The release coating composition can be formed in two parts, a base coat composition and a top coat composition. The base coat composition may include an epoxy resin, an acrylic resin, a color additive and appropriate solvents. The top coat composition may include an acrylic resin, an epoxy resin, a silicone release agent, a silicone resin and appropriate solvents. Each of the parts can be separately applied to the bakeware substrate and heated to form a release coating. In some cases, the top coat composition alone may only be applied if fabrication of the coated substrate will not be severe.

Abstract: Fiber-reinforced prepregs with superior tack containing thermosetting resin systems containing particulate, elastomers having a Tg of 25.degree. C. and below, as well as the composites prepared therefrom are disclosed.

Abstract: A sheet molding composition is disclosed which includes a four component resinous system which comprises (a) an unsaturated polyester comprising a polycondensation product of one or more dihydric alcohols and one or more ethylenically unsaturated polycarboxylic acids; (b) one or more low-profile additives which are thermoplastic polymers which cause phase separation and porosity during the curing reaction; (c) one or more olefinically unsaturated monomers which copolymerize with the unsaturated polyester; and, (d) one or more compatible components comprising at least one polysiloxane polyalkylene copolymer. The compatible components are compatible with the reacted unsaturated polyester and monomer during cure and impart improved surface characteristics when added to low-profile resin systems.

Abstract: The present invention provides an improved process for producing blends of tackifying resins and low molecular weight polyphenylene ether resins. This invention involves combining the resin solutions or redissolving one of the resins once isolated, in the other resin solution and isolation of the resin blend by devolatilization, precipitation, evaporation, spray drying, and/or stripping of the organic solvent.

Abstract: A method for making multilayer resist structures for microlithographic processing using a thermosetting anti-reflective coating is disclosed for a broad range of exposure wavelengths, said coating containing an active curing catalyst, ether or ester linkages derived from epoxy functionality greater than 3.0, a dye-grafted hydroxyl-functional oligomer, and an alkylated aminoplast crosslinking agent, all present in a low-to-medium alcohol-containing solvent.

Abstract: Anti-reflective coating compositions having improved etch rate, inter alia, are prepared from certain high molecular weight polymers and copolymers, particularly glycidyl methacrylate with grafted dyes.

Abstract: The present invention provide a flame-retardant resin composition having an extremely low adhesion to metals and excellent thermal stability and light resistance and free from the formation of black extraneous matter. A flame-retardant thermoplastic resin composition characterized by being prepared by incorporating 1 to 1,000 ppm of a basic inorganic compound (D) soluble in a solvent into a resin composition (C) composed of 60 to 98% by weight of a thermoplastic styrene resin (A) and 40 to 2% by weight of a halogenated epoxy flame-retardant (B) having a terminal epoxy group.

Abstract: An improved coating composition having one or more polymeric binders dispersed in a liquid medium, wherein the improvement comprises an anti-sag and anti-settling effective amount of a copolymer comprising a polymeric backbone comprising recurring monomeric units derived from monomers selected from the group consisting of one or more .alpha.-olefins and one or more unsaturated carboxylic acids, said backbone having grafted thereto, by a covalent amide linkage, one or more polymeric grafts comprising at least one recurring monomeric unit selected from the group consisting of:--NHC(O)RC(O)NHR.sup.1 and --NH--R--C(O)--or a combination thereof, wherein R is an alkylene group of at least about 2 carbon atoms, and R.sup.1 is R or aryl.

Abstract: A method of manufacturing a castable epoxy resin composition which comprises as components an epoxy resin, an acid anhydride in an amount sufficient for hardening, an inorganic filler, and acrylic rubber particles having a thermoplastic resin skin, said thermoplastic resin skin being 1 to 50 wt % of said acrylic rubber particles, wherein each of said acrylic rubber particles has epoxy groups on a surface thereof, and said acrylic rubber particles are present in an amount ranging between 2 and 40 parts by weight based on 100 parts by weight of said epoxy resin, wherein said inorganic filler is an alumina powder having a mean particle size by volume of 6 to 16 .mu.m, and a particle size of at least 10 volume % of said alumina powder particles is 20 .mu.m or greater, and wherein at least 90 volume % of said rubber particles are dispersed as discrete particles with a particle size by volume of 1 .mu.

Abstract: A thermosetting anti-reflective coating and method for making and using the same is disclosed for a broad range of exposure wavelengths, said coating containing an active curing catalyst, ether or ester linkages derived from epoxy functionality greater than 3.0, a dye-grafted hydroxyl-functional oligomer, and an alkylated aminoplast crosslinking agent, all present in a low-to-medium alcohol-containing solvent.

Abstract: Compositions of stabilized stereoregular polymers of branched higher alpha-olefins, grafting compounds, free radical generators, glass and epoxy resins and/or epoxy-functional silanes and/or hydroxy functional compounds are provided as well as methods for making these compounds and articles thereof.

Abstract: The subject invention pertains to toughened thermosetting resin systems useful as structural adhesives and as matrix resins for thermosetting fiber-reinforced prepregs. These toughened resins employ a most minor amount of functionalized elastomeric particles having a T.sub.g of 10.degree. C. or below dispersed in a thermosetting base resin system.

Abstract: Graft copolymers containing:(1) a phenolic resin; and(2) a poly(alkylene oxide) chain pendant to the phenolic resin,selected such that the graft copolymer has a solubility of no more than about 10 g/L in water, are taught. The graft copolymers are useful in coatings compositions with a curing agent, a solvent, and optionally an epoxy resin. The curable compositions have improved flexibility and/or solvent resistance. They are particularly useful in can coatings.

Abstract: Disclosed is a thermoplastic resin composition comprising (A) an amorphous resin and further comprising, per 100 parts by weight of the amorphous resin,0.01 to 20 parts by weight of (B) an epoxy group-containing ethylene copolymer, and0.01 to 20 parts by weight of at least one member selected from the group consisting of (C) a polyfunctional compound and (D) a carboxylic acid metal salt, wherein the polyfunctional compound contains, per molecule, at least two identical or different functional groups selected from the group consisting of carboxyl group, amino group, carboxylic acid anhydride group and a unit represented by the formula (1) ##STR1## wherein X and Y are identical and each represents oxygen atom or sulfur atom, or one of X and Y is an oxygen atom and the other is a sulfur atom, or wherein the polyfunctional compound contains, per molecule, at least one unit represented by the formula (2) ##STR2## wherein Z represents oxygen atom or sulfur atom.

Abstract: This invention provides a novel thermoplastic elastomer composition which is rich in flexibility and excellent in rubber elasticity over a broad temperature range, high-temperature creep characteristics, low-temperature impact resistance, mechanical strength and moldability, and have good oil resistance, good light discoloration resistance and extremely excellent toning properties in spite of thermoplastic elastomer and which is characterized by being obtained by dynamically heat-treating a mixture of (a) 100 parts by weight of a carbon-to-carbon double bond-containing rubber, (b) 5 to 300 parts by weight of a thermoplastic resin, (c) 0.5 to 30 parts by weight of an organosiloxane crosslinking agent having at least two SiH groups in the molecule, (d) 0.001 to 20 parts by weight of a hydrosilylating catalyst, (e) 0.5 to 20 parts by weight of a compatibilizing agent and, if necessary, (f) 30 to 300 parts by weight of a paraffinic oil.

Abstract: Bismaleimide resin systems and fiber reinforced prepregs prepared therefrom having exceptional toughness are prepared by dispersing into a bismaleimide base resin system preformed functionalized elastomer particles having a T.sub.g of less than 10.degree. C.

Abstract: A blend of polycarbonate and chlorinated polyethylene which has a desirable balance of impact and ignition resistance properties.

Abstract: Hydroxy-terminated telechelic rubber polymers and block copolymers of flexible polymers with unsaturated polyester resins improve the elongation and flexural elongation of in-mold coating compositions for fiber reinforced plastics (FRP). An FRP in-mold coating composition based upon vinyl ester resin, ethylenically unsaturated monomers, and at least one of telechelic hydroxy terminated flexible polymers and the block copolymers of functionally terminated flexible polymers with unsaturated polyester polymers are described.

Abstract: Compositions of stabilized stereoregular polymers of branched higher alpha-olefins, grafting compounds, free radical generators, glass and epoxy resins and/or epoxy-functional silanes and/or hydroxy functional compounds are provided as well as methods for making these compounds and articles thereof.

Abstract: Disclosed is a thermoplastic resin composition comprising (A) an amorphous resin and further comprising, per 100 parts by weight of the amorphous resin,0.01 to 20 parts by weight of (B) an epoxy group containing ethylene copolymer, and0.01 to 20 parts by weight of at least one member selected from the group consisting of (C) a polyfunctional compound and (D) a carboxylic acid metal salt, wherein the polyfunctional compound contains, per molecule, at least two identical or different functional groups selected from the group consisting of carboxyl group, amino group, carboxylic acid anhydride group and a unit represented by the formula (1) ##STR1## wherein X and Y are identical and each represents oxygen atom or sulfur atom, or one of X and Y is an oxygen atom and the other is a sulfur atom, or wherein the polyfunctional compound contains, per molecule, at least one unit represented by the formula (2) ##STR2## wherein Z represents oxygen atom or sulfur atom.

Abstract: ABA block copolymers having saturated polyester midblocks "B" and unsaturated polyester condensation end blocks A of molecular weight from about 100 to 500 or 600 are described which increase the flexural strain to failure of unsaturated polyester or vinyl ester resins. These ABA block copolymers are generally compatible with unsaturated polyester resins and increase flexural strain by a different mechanism than used by incompatible rubbery polymers. These ABA block copolymers are compatible with the unsaturated polyester compositions and do not phase separate.

Abstract: A thermoplastic resin composition which contains a resin composition containing a crystalline polypropylene component, an ethylene-butene-1 copolymer rubber and an ethylene-propylene copolymer rubber; a modified polypropylene; a saturated polyester resin; and an epoxy group-containing copolymer; and optionally talc exhibits high low-temperature impact strength, stiffness and Rockwell hardness and a small coefficient of linear expansion, which composition gives an injection-molded article suitably used for a bumper for automobile.

Abstract: A polycarbonate blend of good impact and flexural strength, good heat distortion and weldline properties, and good solvent resistance prepared by admixing with polycarbonate an aromatic polyester, an olefinic epoxide-containing modifier, and a rubber-modified styrene/acrylonitrile copolymer.

Abstract: Compositions of stabilized stereoregular polymer of branched higher alpha-olefins, grafting compounds, free radical generators, glass and epoxy resins and/or epoxy-functional silanes and/or hydroxy functional compounds are provided as well as methods for making these compounds and articles thereof.

Abstract: Graft copolymers containing:(1) a phenolic resin; and(2) a poly(alkylene oxide) chain pendant to the phenolic resin,selected such that the graft copolymer has a solubility of no more than about 10 g/L in water, are taught. The graft copolymers are useful in coatings compositions with a curing agent, a solvent, and optionally an epoxy resin. The curable compositions have improved flexibility and/or solvent resistance. They are particularly useful in can coatings.

Abstract: A blend of polycarbonate and chlorinated polyethylene which has a desirable balance of impact and ignition resistance properties.

Abstract: A composition useful in the fabrication of molded articles contains a blend of a polycarbonate, a high impact rubbery modifier such as a core-shell polymer and a catalyst quencher selected from a Group IB or IIB metal phosphate salts such as sodium dihydrogen phosphate wherein the hydroyltic stability is improved via the incorporation of an epoxy-functional polyester derived from the reaction of a polyfunctional epoxy compound and a carboxylic acid-functional polyester.

Abstract: ABA block copolymers having saturated polyester midblocks "B" and unsaturated polyester condensation end blocks A of molecular weight from about 100 to 500 or 600 are described which increase the flexural strain to failure of unsaturated polyester or vinyl ester resins. These ABA block copolymers are generally compatible with unsaturated polyester resins and increase flexural strain by a different mechanism than used by incompatible rubbery polymers. These ABA block copolymers are compatible with the unsaturated polyester compositions and do not phase separate.

Abstract: An impact modified polyamide composition includes a polyamide continuous phase and a rubbery polymer component which is uniformly distributed throughout the polyamide continuous phase in the form of discrete particles, with the rubber polymer component having a flexible backbone and at least about 40 percent of the monomeric units forming the rubbery polymer having pendant polar groups. In accordance with a preferred aspect of the invention, the rubbery component contains a reinforcing filler which provides for an unexpected improvement in retention of flexural modulus.

Abstract: A polycarbonate blend of good impact and flexural strength, good heat distortion and weldline properties, low gloss, and good solvent resistance prepared by admixing with polycarbonate an aromatic polyester, an olefinic epoxide-containing modifier, and one or more members of the group conssisting of a thermoplastic elastomer and a rubber-modified styrene/acrylonitrile copolymer. Optionally, a graft copolymer of the core-shell type may be used as an additional impact modifier.

Abstract: An epoxy resin adhesive composition is provided, and a process to prepare this composition. The composition comprises: a modified hydrogenated block copolymer comprising at least one polymeric block containing predominantly monoalkenyl aromatic hydrocarbon monomer units and at least one polymeric block, prior to hydrogenation, containing predominantly conjugated diolefin monomer units. The modified hydrogenated block copolymer being modified with from 2 to about 200 anhydride or dicarboxylic acid groups per modified hydrogenated block copolymer molecule. The functionality is incorporated substantially into that portion of the polymer containing predominantly conjugated diolefin monomer units. The epoxy resin-modified block copolymer blend is held under high shear mixing under conditions sufficient to react an amount of the modified hydrogenated block copolymer functional groups with epoxy groups effective to provide a stable dispersion of the modified hydrogenated block copolymer in the epoxy resin.

Abstract: A process for producing a reinforced crystalline engineering plastic composition is disclosed, comprising melt-kneading (A) from 60 to 97 parts by weight of a crystalline engineering plastic and (B) from 5 to 100 parts by weight, per 100 parts by weight of the sum of (A) and (C), of glass fibers and melt-kneading the resulting mixture with (C) from 3 to 40 parts by weight of an epoxy- or acid anhydride-containing ethylene copolymer. The composition obtained provides, with excellent moldability, a molded article having an improved appearance while exhibiting well-balanced mechanical and thermal properties.

Abstract: A process to produce a coating composition is provided comprising the steps of: providing from about 0.5 to about 80 parts by weight of a modified selectively hydrogenated block copolymer comprising at least one block of predominantly vinyl arene monomer units and at least one block which is, before hydrogenation, predominantly conjugated diolefin monomer units, the modified block copolymers having been modified by grafting predominantly to the conjugated diolefin block a carboxylic acid or acid derivative; blending the modified block copolymer with 100 parts by weight of an epoxy resin; heating the blend of the modified block copolymer and epoxy resin to above 150.degree. C. for a time sufficient for the carboxylic acid or acid derivative to form an adduct with the epoxy resin and recovering a coating composition.

Abstract: A process for producing an epoxy resin adhesive comprises melt blending 0.05-0.3 inch pellets, a modified hydrogenated block copolymer comprising at least one polymeric block containing predominantly monoalkenyl aromatic hydrocarbon monomer units and at least one polymeric block, prior to hydrogenation, containing predominantly conjugated diolefin monomer units and being modified with from 2 to about 200 anhydride or dicarboxylic acid groups are modified hydrogenated block copolymer molecule with an epoxy resin. The anhydride or acid groups are incorporated substantially into that portion of the polymer containing predominantly conjugated diolefin monomer units. The epoxy resin-modified block copolymer blend is held under high shear mixing under conditions sufficient to react an amount of the modified hydrogenated block copolymer functional groups with epoxy groups effective to provide a stable dispersion of the modified hydrogenated block copolymer in the epoxy resin.

Abstract: A coating composition is provided from about 0.5 to about 80 parts by weight of a modified selectively hydrogenated block copolymer comprising at least one block of predominantly vinyl arene monomer units and at least one block which is, before hydrogenation, predominantly conjugated diolefin monomer units, the modified block copolymers having been modified by grafting predominantly to the conjugated diolefin block a carboxylic acid or acid derivative and 100 parts by weight of an epoxy resin. The blend of the modified block copolymer and epoxy resin is heated to above 150.degree. C. for a time sufficient for the carboxylic acid or acid derivative to form an adduct with the epoxy resin. The modified block copolymer forms a stable suspension in the epoxy after the adduct is formed which greatly enhances storage stability.

Abstract: An epoxy resin modified material is disclosed, which is obtained by reacting an epoxy resin and a phenolic hydroxyl group-containing aramid/polybutadiene-acrylonitrile block copolymer represented by formula (I): ##STR1## wherein Ar.sup.1 and Ar.sup.3 each represent a divalent aromatic group; Ar.sup.2 represents a phenolic hydroxyl group-containing divalent aromatic group; x represents an integer of from 3 to 7; y represents an integer of from 1 to 4; y/(x+y) is from 0.1 to 0.3; z represents an integer of from 5 to 15; m represents an integer of from 1 to 400; n represents an integer of from 1 to n/(m+n) is from 0.01 to 0.50; and l represents an integer of from 1 to 50. An epoxy resin composition containing the epoxy resin modified material and a carboxyl-terminated polybutadiene-acrylonitrile copolymer is useful as a cationic electrodeposition coating.

Abstract: An epoxy resin modified material is disclosed, which is obtained by reacting an epoxy resin and a phenolic hydroxyl group-containing aramid/polybutadiene-acrylonitrile block copolymer represented by formula (I): ##STR1## wherein Ar.sup.1 and Ar.sup.3 each represent a divalent aromatic group; Ar.sup.2 represents a phenolic hydroxyl group-containing divalent aromatic group; x represents an integer of from 3 to 7; y represents an integer of from 1 to 4; y/(x+y) is from 0.1 to 0.3; z represents an integer of from 5 to 15; m represents an integer of from 1 to 400; n represents an integer of from 1 to 400; n/(m+n) is from 0.01 to 0.50; and l represents an integer of from 1 to 50. An epoxy resin composition containing the epoxy resin modified material is useful as a cationic electrodeposition coating.

Abstract: A polycarbonate blend of good impact and flexural strength, good weldline properties, and good solvent resistance prepared by admixing with polycarbonate an aromatic polyester, an olefinic epoxide-containing modifier, and a thermoplastic elastomer. Optionally, a graft copolymer of the core-shell type and a rubber-modified styrene/acrylonitrile copolymer may be used as an additional impact modifiers.

Abstract: Compositions of stabilized stereoregular polymers of branched higher alpha-olefins, grafting compounds, free radical generators, glass and epoxy resins and/or epoxy-functional silanes and/or hydroxy functional compounds are provided as well as methods for making these compounds and articles thereof.

Abstract: An expoxy resin composition, an epoxy resin cured product obtained therefrom, and a bonding method using the composition are disclosed. The epoxy resin composition comprises an epoxy resin composition comprising (A) 100 parts by weight of an epoxy resin, (B) from 1 to 80 parts by weight of a heat activatable hardener, and (C) from 10 to 100 parts by weight of an aromatic thermoplastic resin powder having a glass transition temperature of 120.degree. C. or more and an average particle diameter of 200 .mu.m or less, said components (A), (B) and (C) being present in a phase separation state.

Abstract: The present invention relates to a coating agent containing A) a component containing carboxyl and tertiary amino groups and a polyepoxy resin B). A) consists of 10 to 90% by weight of a carboxyl- and amino-containing polyacrylate (A1) having an acid number from 20 to 140 and an amine number from 5 to 60 and 90 to 10% by weight of a carboxyl- and amino-containing polyester (A2) having an acid number from 10 to 160 and an amine number from 3 to 90.(A2) is obtainable by reaction ofa) polycarboxylic acids or anhydrides thereof, if desired together with monocarboxylic acids,b) polyols, if desired together with monools, andc) further modifying components and, if desired,d) a component which reacts with the reaction product from a), b) and possibly c),with the proviso that the final product contains tertiary amino groups originating from component a) and/or b) and/or d), the sum of components (A1) to (A2) being 100% by weight.

Abstract: A semiconductor device encapsulant contains (a) a thermosetting resin for providing a cured product having a glass transition temperature of not less than 190.degree. C., (b) a filler consisting of a fused silica, (c) a modifier consisting of an MBS or ABS, (d) a modifier consisting of a silicone rubber or a silicone gel, and (e) a lubricant containing a metal chelate compound.

Abstract: An epoxy resin modified material is disclosed, which is obtained by reacting an epoxy resin and a phenolic hydroxyl group-containing aramid/polybutadiene-acrylonitrile block copolymer represented by formula (I): ##STR1## wherein Ar.sup.1 and Ar.sup.3 each represent a divalent aromatic group; Ar.sup.2 represents a phenolic hydroxyl group-containing divalent aromatic group; x represents an integer of from 3 to 7; y represents an integer of from 1 to 4; y/(x+y) is from 0.1 to 0.3; z represents an integer of from 5 to 15; m represents an integer of from 1 to 400; n represents an integer of from 1 to 400; n/(m+n) is from 0.01 to 0.50; and l represents an integer of from 1 to 50. An epoxy resin composition containing the epoxy resin modified material is also disclosed.

Abstract: An electrical insulator including a thermosetting matrix and a filler composed primarily of powdered material embedded in the thermosetting matrix. The insulator has a high service life in spite of severe mechanical stressing at temperatures of up to 105.degree. C. This is achieved as a result of the thermosetting matrix having a glass transition temperature exceeding 140.degree. C. and the inclusion of a powdered filler, which has a reduced rigidity compared with the thermosetting matrix, embedded in the thermosetting matrix.