Abstract: An active energy ray-curing resin composition comprises a graft copolymerized polymer and at least one of a monomer having an ethylenically unsaturated bond and a partially esterified epoxy resin.

Abstract: Reduced gloss polycarbonate graft polymer blends are provided by a process which involves compounding styrene-acrylonitrile copolymer in the presence of an electrophilic reagent and preferably an acid to form gels, and then compounding the resultant gels with polycarbonate, a styrene-acrylonitrile copolymer and ABS graft polymer to form reduced gloss PC/ABS/SAN composition. The process limits side reactions during gel formation by preparing the gels first and then compounding the gels with the other resin materials. The blends are useful as molding resins and the gelled acrylonitrile polymer is useful as a gloss reducing additive.

Abstract: A resin composition curable through a Michael reaction between (a) a component having a plurality of .alpha., .beta.-unsaturated carbonyl groups and (b) a component having a plurality of activated methylene, activated methyne or hydroxyl groups is disclosed. The curing reaction is catalyzed with a quaternary ammonium, quaternary phosphonium or tertiary sulfonium salt in the presence of an epoxy compound independently added to the composition or covalently attacted to either component (a) or component (b).

Abstract: A thermoplastic resin composition containing (A) a liquid crystalline polyester and a reaction product of (B) a thermoplastic polymer having a crosslinkable functional group and (C) a crosslinking agent, in which a volume ratio of the polyester (A) to the polymer (B) is from 20:80 to 50:50 and the polyester (A) forms a continuous phase, and a method for producing the same. This composition is cheap and has good properties of the liquid crystalline polyester even in a composition range in which a ratio of the liquid crystalline polyester is small.

Abstract: Moldings having improved surface properties are produced using BMC molding materials which contain crystalline unsaturated polyesters.

Abstract: A process for making reduced gloss thermoplastic resin compositions is provided. The process involves compounding a nitrile polymer with an electrophilic reagent to form a polymeric gel compound, blending the polymeric gel compound with a first thermoplastic resin and a weight ratio of between 5:1 and 0.5:1 to make a concentrate comprising gels dispersed in the first thermoplastic resin, and admixing the concentrate with a second thermoplastic resin produced the desired composition, wherein the concentrate is used at a level of from 2 to 60 percent by weight based on the total weight of the composition. The process provides improved product consistency, and consistently yields a product exhibiting reduced gloss and high levels of impact strength with a uniformly dispersed concentration of polymeric gels therein. The compositions are useful in making molded articles exhibiting consistent reduced gloss and high impact strengths.

Abstract: Gels useful as low gloss additives for blends of addition polymers, such as ABS resins, with polycarbonates are prepared by a melt blending operation in which a polyepoxide such as 3,4-epoxycyclohexyl 3,4-epoxycyclohexanecarboxylate is blended with at least one addition polymer such as a styrene-acrylonitrile copolymer, and concurrently with at least one aromatic polycarbonate in at least two increments. The first increment comprises about 20-60% of total polycarbonate and the second increment is subsequently introduced.

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

Abstract: The invention relates to a water and oil repellency imparting composition which comprises:(a) a fluoroaliphatic radical-containing agent; and(b) a polymer comprising cyclic carboxylic anhydride groups.Additionally, the composition may comprise:(c) a softener and/or a plasticizer. The composition provides water and oil repellent properties to fibrous and other substrates treated therewith and it shows high compatibility with the commonly used softeners.

Abstract: A thermoplastic molding composition comprising a resinous blend of polycarbonate, polyester and an impact modifier and an additive amount of a siloxane compound containing a pendant oxirane group is disclosed. It was surprisingly and unexpectedly discovered that unlike the corresponding compositions which contain no siloxane compound, the inventive composition is capable of being dried at low temperatures prior to molding and still maintain high impact strength.

Abstract: A crosslinked adhesive composition is provided comprising an epoxidized diolefin block polymer wherein the polymer is crosslinked through at least some of the epoxy functionality. A process to prepare this polymer is also provided. The preferred polymer is partially hydrogenated and lightly epoxidized.

Abstract: A curable resin composition, which is not thickened nor gels during storage, can be high solids, cures even at low temperatures and is excellent in electrostatic coating properties, and which contains as main components, a polymer having in one molecule epoxy group(s), and functional group(s) in each of which a carbonate ester group (--O--CO--O--) is directly bound to an aromatic ring; or a mixture of a compound having in one molecule at least two epoxy groups and a compound having in one molecule at least two functional groups in each of which a carbonate ester group (--O--CO--O--) is directly bound to an aromatic ring, and a curing reaction catalyst.

Abstract: A curing agent for epoxy resins is prepared from an amine and an epoxy, as well as subsequent modification by a polyisocyanate compound, in such a manner that the curing agent is in the form of small spherical particles. The particles can be as small as 0.1 microns. This curing agent can be easily dispersed in curing agent masterbatches and curable compositions with minimal effect on their storage stability. The resulting curable compositions have a wide range of applications, including automobile and electronic adhesives.

Abstract: A coating composition contains an organic solvent, a binder composed of an anhydride resin with more than one non-cyclic anhydride moiety and an epoxy resin derived from an epoxy-containing unsaturated monomer, and a catalyst wherein a catalyst is reacted with the core of a branched acrylic copolymer formed from at least about 5% by weight of an acid-functional unsaturated monomer, and grafted to the core, one end of a macromolecular acrylic stabilizer soluble in an organic solvent.

Abstract: The present invention relates to a process for the electrophoretic internal coating of metal containers for the storage of foodstuffs and beverages, the aqueous coating composition used containing 0.01 to 10% by weight, preferably 0.5 to 3% by weight, relative to the solids content of the coating composition, of wax changing into the molten state in the range from 60.degree. C. to 100.degree. C. The process is used in particular for the internal coating of 3-part and 2-part cans and drawn-and-ironed or otherwise deep-drawn cans.

Abstract: An aqueous coating composition for a plastic substrate which is a dispersion in (a) an aqueous medium of the following components:(b) 5-40 wt. %, calculated as resin solids, of a water-miscible olefin resin modified with a carboxyl-containing unsaturated monomer;(c) 90-40 wt. %, calculated as resin solids, of at least one water-miscible urethane resin;(d) 5-20 wt. %, calculated as resin solids, of a water-miscible epoxy resin; and(e) optionally a pigment.

Abstract: According to the present specification there is disclosed a porous film having a number of throughholes extending from one side to the other side, obtained by molding into a sheet form a resin composition comprising an ethylene-.alpha.-olefin copolymer, a thermoplastic elastomer and an inorganic filler and then subjecting the sheet to stretching for orientation. Said porous film has excellent flexibility, stretchability and moisture permeability. These properties are made possible by using individual components in particular proportions, molding the resulting composition into a sheet form and then stretching the sheet to form fine throughholes therein so as to have a moisture permeability of 2,000 g/m.sup.2.24 hr or more.

Abstract: Synthetic resins contain, as essential components,A) from 20 to 95% by weight of a crosslinkable binder selected from the group consisting of the polymers, polyadducts or polycondensates having reactive centers in the form of hydroxyl, thio, primary and/or secondary amino groups and/or hydrophilic centers in the form of ammonium, sulfonium and/or phosphonium groups andB) from 5 to 80% by weight of polymers consisting of a core and one or more shells and furthermoreC) from 0 to 10% by weight of one or more crosslinking agents andD) from 0 to 10% by weight of a pigment formulation consisting of one or more pigments and a resin having surfactant properties andE) from 0 to 10% by weight of additives and/or assistants.

Abstract: A storage-stable suspension of an epoxy resin hardener and a toughener useful as a molding composition is prepared via a) the addition of an organic solvent to an aqueous emulsion of the toughener when using a water-sensitive hardener, such as a polycarboxylic anhydride, removing the water as an azeotrope by vacuum distillation, then adding the epoxy resin hardener and removing the residual solvent by vacuum distillation, or b) the addition of an aqueous emulsion of the toughener with or without an organic solvent to the epoxy resin hardener when using a water-insensitive hardener such as a polyamine, and removing the water and any organic solvent by vacuum distillation.

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

Abstract: A curable molding material comprises a coherent phase of a free-radical curable, unsaturated polyester resin in which finely particulate polyolefin particles are dispersed as disperse phase, the two phases being chemically bound to one another at the interfaces by ionic bonds.

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: A thermoplastic resin composition comprising polybutylene terephthalate, a core-shell type copolymer, a multifunctional epoxy resin and a catalyst. The composition has excellent impact resistance and mechanical strength, and is capable of being processed by blow molding.

Abstract: A branched acrylic copolymer with a core which is insoluble in a non-polar organic solvent and formed from the polymerization of an ethylenically unsaturated monomer with at least about 5% by weight of acid functionality wherein a catalyst such as a phosphonium compound is reacted with the acid functionality of the core, and organic solvent-soluble macromonomer stabilizers grafted to the core, is useful as a catalytic component in a coating composition comprising a non-cyclic anhydride resin and a resin derived from an ethylenically unsaturated epoxy monomer.

Abstract: A thermoplastic propylene resin composition of the present invention is obtained by blending an epoxy group containing copolymer (G) and a rubber-like material (H) and/or a modified rubber-like material (I) with a resin omposition composed of a polyamide resin (F) and a polypropylene type resin (E).The thermoplastic propylene resin composition can easily be processed into molded products, films or sheets by injection molding, extrusion molding or the like, giving products which have a good balance in various physical properties and a uniform and smooth appearance. It is suitable for purposes in which especially high heat resistance, impact resistance and low-temperature impact resistance are required.

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: Resin compositions of improved dispersibility and mechanical properties are obtained by polymerizing a polymerizable compound (A), insitu in a melted thermoplastic resin (B), in the presence of a dispersant (C) reactive or compatible with at least one of the resin (B) and polymerizate of (A).Suitable dispersants include those represented by the general formula (1) or (2)R.sub.1 --L(X--M--X--L).sub.n X--M--R.sub.2 (1)R.sub.1 --L(X--M--X--L).sub.n --R.sub.2 (2)wherein R.sub.1 and R.sub.2 are groups, such as hydrocarbyl acyl, alkoxy, hydroxyl, mercapto, amino, epoxy, isocyanate, carboxylic, carboxylic anhydride, carboxylic halide and aldehyde groups; L and M are residues of a polymer having a number average molecular weight of about 500-about 3,000,000, the difference in solubility parameter between the residue L or M and the resin (B) or polymerizate of (A) being not more than 0.

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 curable molding material based on a dispersion of a finely divided ethylene polymer in an unsaturated polyester resin is prepared by a process in which a melt of the ethylene polymer is uniformly distributed in a melt of an unsaturated polyester in an extruder or stirred kettle.

Abstract: Blends of carbonate and monovinylidene aromatic copolymers containing selected low molecular weight halogenated epoxy compounds, in combination with tetrafluoroethylene polymers, are shown to have surprising combinations of impact and ignition resistance and be very suitable for electroplating applications. In general the selected epoxy compounds can be represented by the following formula: ##STR1## where, preferably, R is hydrogen; X is bromine; i is 2; L is 2,2-isopropyl; n is from 0 to 1. Polymer blends based on from about 65 to about 98 weight percent carbonate polymer, from about 2 to about 25 percent by weight monovinylidene aromatic copolymer, preferably rubber modified, and from 0 to about 10 percent by weight of a rubbery core/shell graft copolymer impact modifier are suitable for preparation of these compositions. It has been found desirable to employ from about 1 to about 20 percent by weight low molecular weight halogenated epoxy compound, and from 0.

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: Storage-stable suspension comprised of a solid or liquid epoxy resin hardener and a solid or liquid toughener suspended therein is distinguished by excellent homogeneous dispersion of the toughener in the epoxy resin hardener and are suitable for preparing suspensions of curable epoxy resin compositions.

Abstract: The present invention relates to a polymer blend composition for melt molding which is a composition obtained by adding a thickener to a polymer blend comprising a liquid crystal polymer and a non-liquid crystal polymer, characterized in that the melt viscosity of the composition determined at a molding temperature at a shear rate of 1000 sec.sup.-1 is the same or higher than the melt viscosity of said non-liquid crystal polymer determined under the same conditions.According to the present invention, a polymer blend for melt molding having improved properties, whereby problems observed in prior arts upon molding a polymer blend comprising a liquid crystal polymer and a non-liquid crystal polymer (for example, insufficient alignment of the liquid crystal polymer and difficulties in extrusion, because of excessively low melt viscosity) can be solved, is obtained.

Abstract: The invention relates to a coating compound which comprises a binder solution containinga) 30 to 70% by weight of a binder,b) 2 to 30% by weight of a crosslinking agent,c) if appropriate, 1 to 7% by weight of neutralization agent,d) 20 to 60% by weight of solvent.

Abstract: A thermoplastic propylene resin composition of the present invention is obtained by blending a polyamide resin (F), an epoxy group containing copolymer (G) with a graft resin composition (J) obtained by graft copolymerizing an unsaturated carboxylic acid or a derivative thereof onto a mixture of polypropylene (C) and a rubber-like material (H) wherein the content of the polyamide resin (F) in the thermoplastic propylene composition is less than 60% by weight.These thermoplastic propylene resin compositions can easily be processed into molded products, films or sheets by injection molding, extrusion molding or the like, giving products which have a good balance in various physical properties and a uniform and smooth appearance. They are suitable for purposes in which especially high heat resistance, impact resistance and low-temperature impact resistance are required.

Abstract: An olefinic polymer is grafted with a vinyl arylcyclobutene such as 4-vinylbenzocyclobutene. The arylcyclobutene grafted olefinic polymers are useful in a number of industrial applications including electronics, and as coatings, membranes, fibers, structural composites, adhesives, and wrapping and packaging films.

Abstract: Toughened polyester compositions are obtained by blending from 60% to 90% by weight of a modified star block copolymer with from 10% to 40% by weight of a polybutylene terephthalate polyester. The modified star block copolymers are free-radically grafted with an effective amount of an epoxy containing compound such as glycidal acrylate or glycidal methacrylate to give a ductile composition having a 1/8 inch notched Izod impact strength of at least 10.0 ft-lb/in at -20.degree. C.

Abstract: An epoxy resin adhesive composition has excellent adhesive properties such as impact resistance, tensile shear strength and T-peel strength as well as excellent semi-gelling property. An epoxy resin adhesive composition comprising ionic crosslinking in a polymer utilized as the impact resistance modifier has not only excellent semi-gelling property and mechanical properties of cured products but also excellent storage stability for a long time and it is advantageously utilized when the application occasionally requires storage or standing of the material for one month to one year at the room temperature. The epoxy resin adhesive composition comprises an epoxy resin, a powder core/shell polymer and a heat activation type hardener for epoxy resins. The powder core/shell polymer is composed of a core comprising an acrylate polymer or a methacrylate polymer having a glass transition temperature of -30.degree. C.

Abstract: A thermosetting resin composition comprising fine particles of an elastomer component homogeneously dispersed in a thermosetting resin is disclosed. The elastomer component comprises a rubbery copolymer prepared from a monomer mixture capable of producing a copolymer having a glass transition point of 25.degree. C. or lower and containing at least one crosslinking monomer having at least two unsaturated bonds in the molecule in the presence of seed polymer particles which are comprised of a polymer having a glass transition point of 25.degree. C. or lower. The possesses excellent impact resistance, mechanical strength, and adhesive strength. It is suitably used as a sealing material of semiconductors, an adhesive for print circuit boards, a molding material, a paint, and a lining material.

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 two-part, thermally curable epoxy composition comprising an epoxy resin; a curing agent prepared from a substituted pentafluoroantimonic acid and a substituted benzene having an amino substituent and an electron-withdrawing substituent on the benzene ring; a polyol; and a toughening agent. The compositions exhibit desirable green strength and pot life.

Abstract: Compositions containing A) a copolymer based on at least one 1,3-diene and at least one polar, ethylenically unsaturated comonomer and B) a phenol-terminated polyurethane, polyurea or polyurea-urethane of the formula I ##STR1## in which m is 1 or 2, n is 2 to 6, R.sup.1 is the n-valent radical of an elastomeric prepolymer which is soluble or dispersible in epoxide resins, X and Y independently of one another are --O-- or --NR.sup.3 --, it being necessary for one of these groups to be --NR.sup.3 --, R.sup.2 is an m+1-valent radical of a polyphenol or aminophenol after the removal of the phenolic hydroxy group(s) or the amino group or both the amino group and the phenolic hydroxyl group, respectively, and R.sup.3 is hydrogen, C.sub.1 -C.sub.6 alkyl or phenyl, are described.Compounds containing the components A) and B) as well as an epoxide resin C) are also described.The cured products are distinguished by a high peel strength and high resistance to crack propagation.

Abstract: Polymers containing glutarimide units and also acid and/or anhydride units are compatible with polyesters, such as poly(ethylene terephthalate) to form blends. Chemical interaction (grafting) between the polyester and the acid/anhydride groups of the polyglutarimide occurs on processing the blends. The extent of grafting and the properties of the resultant blend can be enhanced by appropriate catalyst.

Abstract: Unsaturated polyester resins of the type already having reactive liquid polymers reacted into the backbone of the resins, are cured in the presence of a reactive liquid polymer additive admixed with the prereacted unsaturated polyester resin. Heating of this system during cure causes the reactive liquid polymer additive to miscibilize with the unsaturated polyester resin. The unsaturated polyester resin modified in the manner described above shows a significant enhancement in toughness as measured by fracture energy over unmodified counterparts or counterparts modified by known methods of adduction or admixing alone.

Abstract: A thermoplastic resin composition suitable for shaped articles comprises (A) 100 parts by weight of a composition consisting of (a) from 5-95% by weight of a polyphenylene ether and (b) from 95-5% by weight of a polyamide, (B) from 5-100 parts by weight of a reactive group-modified copolymer rubber, and (C) from 0.01-30 parts by weight of a copolymer of unsaturated epoxy compound/ethylene/(/ethylenically unsaturated compound).

Abstract: A polyarylate comprising units derived from an aromatic carboxylic acid compound and units derived from a bisphenol compound and containing an epoxy group. According to the process of the present invention, the polyarylate having epoxy group can be economically prepared. Since the polyarylate of the present invention has epoxy group, it has the reactivity with amino group, hydroxyl group, acid anhydride group, or the like. Therefore, the polyarylate is mixed with another polymer to give a polymer alloy or is utilized as the precursor of a graft-copolymer, utilizing the reactivity.

Abstract: A polyarylene sulfide resin composition obtainable by mixing and reacting(A) 99 to 60 parts by weight of a polyarylene sulfide resin,(B) 1 to 40 parts by weight of a polyorganosiloxane rubber, in which 0.1 to 20 wt. % of a siloxane compound represented by the following formula (I):HS(CH.sub.2).sub.p --SiR.sub.n (OR').sub.3-n (I)wherein R represents a methyl, ethyl, propyl or phenyl group, R' represents a methyl or ethyl group, n represents an integer of 0, 1 or 2, and p represents an integer of 1 to 6, are copolymerized, having an average particle size of 0.1 to 0.5 .mu.m and a degree of swelling of 3 to 50 measured by immersing in toluene, or a polyorganosiloxane graft copolymer prepared by graft-polymerizing a monomer comprising at least one of an unsaturated carboxylic acid and its anhydride to a polyorganosiloxane rubber having an average particle size of 0.1 to 0.5 .mu.m and a degree of swelling of 3 to 50 measured by immersing in toluene,(C) 0.

Abstract: A water reducible resin for use in a coating composition is produced by grafting in organic solvent a thermoplastic polymer onto a thermosetting polymer that has been copolymerized with acid group-containing monomers to render the resultant polymer water soluble. Thermoplastic polymer is also grafted onto a phosphatized polyepoxide for the sake of adhesion of a coating to a substrate. A film formed from a waterborne coating composition containing the grafted polymers as a binder has both the toughness properties characteristic of a thermoplastic and the flexibility properties of a thermosetting resin.

Abstract: According to this invention, an epoxy resin composition is provided with a finely dispersed phase of an elastomeric block copolymer having at least one block of a hydrogenated conjugated diene connected to at least one block of a carboxylated monoalkenyl aromatic hydrocarbon. The block copolymers are dispersed in the epoxy resin by emulsifying the carboxylated block copolymer and blending the emulsion with the epoxy resin. The block copolymer is emulsified from a relatively non-polar solvent such as tetrahydrofuran using gradual addition of a polar solvent such as water or an alcohol. The dispersed rubber particles have an average diameter between 0.05 and 0.20 microns.