Abstract: The present invention is directed to a pigment dispersant for use in coating compositions. The dispersant is the reaction product of a functionalized copolymer, a polyalkylene glycol monoalkyl compound to impart water soluble character to the copolymer, and a compound having a pigment interactive substituent including hydrazine derivatives and oxime containing compounds.

Abstract: A curable polyester molding composition incorporating an elastomeric low profile additive dispersed in voided rubbery particle form throughout the composition is used in association with a compatibilizing agent to form a molded thermoset article having very smooth, light reflective, class A surfaces and having a matrix fracture energy which is comparable to articles formed from similar or identical molding compositions which are free of low profile additives. The low profile additive is an epoxidized elastomer or block copolymer having at least one flexible elastomer block and one monovinyl aromatic block. The compatibilizing agent is a copolymer having a diene polymer backbone which is compatible with the elastomer or the flexible diene block of the low profile additive, with constituents which are compatible or reactive with the polyester being grafted or adducted onto the diene polymer backbone.

Abstract: Disclosed are resin compositions comprising (a) a polyphenylene ether resin, a styrene resin or mixtures thereof, (b) a styrenic grafted propylene polymer material, (c) one or more monoalkenyl aromatic hydrocarbon-conjugated diene block copolymers, hydrogenated products thereof or mixtures thereof, and optionally, (d) a propylene polymer material.

Abstract: Graft copolymers comprising a poly-alpha-olefin base polymer selected from the group consisting of polyethylene, polypropylene, polystyrene, and compatible mixtures thereof, having grafted thereto an olefinic monomer. The grafted monomer is present in an amount effective to increase the amount of protein that will bind to the graft copolymer as compared with the base polymer.Also disclosed are polymer/protein compositions comprising a graft copolymer having a protein immobilized on the surface thereof, processes for the preparation of the above-described graft copolymers and compositions, methods of immobilizing proteins, and methods of immunoassay based on such immobilization.

Abstract: Graft polymers are prepared by reacting thermoplastic copolymers comprised of alkenyl aromatic monomers and carboxylic acid moieties such as .alpha.,.beta.-unsaturated dicarboxylic acid anhydrides with mono-amine functionalized polyoxyalkylene ethers. The graft polymers are useful for the production of formed products such as injection molded articles and in blends or alloys with other thermoplastic resins such as polystyrene.

Abstract: The present invention provides an acetal resin composition comprising:(1) 100 parts by weight of an acetal resin; and(2) from 1 to 100 parts by weight of a multiphase interpolymer particle comprising at least an elastomeric phase and a rigid phase, the elastomeric phase obtained by copolymerizing:(A) from 5 to 60% by weight, based on the total weight of monomers for the elastomeric phase, of at least one compound selected from the group consisting of C.sub.1 to C.sub.6 -alkyl monoacrylate, C.sub.1 to C.sub.6 -alkyl monomethacrylate, C.sub.1 to C.sub.6 -hydroxyalkyl monoacrylate and C.sub.1 to C.sub.6 -hydroxyalkyl monomethacrylate; and(B) from 40 to 95% by weight, based on the total weight of monomers for the elastomeric phase, of at least one compound selected from the group consisting of C.sub.7 to C.sub.12 -alkyl monoacrylate and C.sub.7 to C.sub.12 -alkyl monomethacrylate.The acetal resin composition is excellent in both matte property and flexural modulus, and inhibits mold deposit in mold processing.

Abstract: A fluorochemical graft copolymer comprising: a base polymer comprising polymerized units derived from monomers having terminal olefinic double bonds, having a moiety comprising a fluoroaliphatic group grafted thereto. Also disclosed are processes for preparing such fluorochemical graft copolymers, forming and annealing methods for enhancing the surface activity of such a graft copolymer, polymer blends comprising such a fluorochemical graft copolymer and a matrix polymer that is miscible with the base polymer, and a method for reducing the surface energy of a polymer comprising polymerized units derived from monomers having terminal olefinic double bonds.

Abstract: A thermoplastic resin composition comprising (A) 45 to 99% by weight of a graft copolymer obtained by special graft polymerization of a monomer (b) such as an aromatic vinyl compound, a methacrylic ester, etc. in the presence of grafted polymer rubber (a), and (B) 55 to 1% by weight of a thermoplastic aromatic polyester resin can yield shaped articles excellent in impact resistance, chemical resistance, etc. with excellent processability.

Abstract: A process for the preparation of novel grafted latexes having backbones formed from unsaturated monomers and having pendent isocyanate containing sidechains derived from isopropenyl-alpha, alpha- dimethylbenzyl isocyanate or copolymers thereof is described.Grafting latexes is carried out using a free radical redox initiator system in an aqueous medium. Latexes such as polybutadiene, polyvinyl chloride, and polyvinyl chloride-acrylic copolymers are converted to the corresponding isocyanate-functional latexes by the process of the invention. The isocyanate-functional grafted and cografted latexes described are useful in curable compositions.

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: 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: The thermoplastic resin composition of the present invention is made of:(a) 5-95 weight % of polypropylene;(b) 95-5 weight % of a polyester; and(c) 2-70 parts by weight, per 100 parts by weight of the total of (a)+(b), of a polyolefin-polyester graft copolymer.The polyolefin-polyester graft copolymer is constituted by (A) 10-90 parts by weight of a polyester having an intrinsic viscosity [.eta.] of 0.30-1.20 and an end carboxyl group content of 15-200 milliequivalent/kg; and (B) 90-10 parts by weight of a modified polyolefin having an epoxy group or carboxyl group content of 0.2-5 mol % and a weight-average molecular weight of 8,000-140,000. This thermoplastic resin composition may further contain (d) a modified polypropylene grafted with an unsaturated carboxylic acid or its anhydride.

Abstract: Disclosed are resin compositions comprising (a) a polyphenylene ether resin or a polyamide resin or a polyester resin; (b) a glycidyl moiety-styrenic grafted propylene polymer material in combination with a styrenic polymer copolymerized with a glycidyl moiety; optionally (c) (1) one or more monoalkenyl aromatic hydrocarbon-conjugated diene block copolymers, hydrogenated products thereof or mixtures thereof, with or without (2) olefin copolymer rubber; and optionally (d) a propylene polymer material. The compositions exhibit increased resistance to delamination, indicating improved compatibility between the engineering resins and propylene polymer material.

Abstract: It is herein disclosed a blend comprising modified block copolymers and aromatic polycarbonates. These blends have and exhibit improved mechanical properties, particularly improved low temperature Notched Izod impact strength relative to unmodified block copolymers, such as KRATON.RTM. G.

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 composition which exhibits antiozonant activity in diene containing rubbers comprising the reaction product of a multi-step process comprising:(1) reacting under condensation conditions an aldehyde and an amine containing compound to form a condensation product, whereinsaid aldehyde is selected from the group consisting of formaldehyde, acetaldehyde or mixtures thereof; andsaid amine containing compound is selected from the group consisting of:N,N'-di-substituted-p-phenylene diamines of the structural formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from the group of radicals consisting of alkyls having 3 to 12 carbon atoms, aryls having 6 to 12 carbon atoms and aralkyls having 7 to 12 carbon atoms; and wherein said condensation conditions include:(i) the presence of an acid catalyst,(ii) a mole ratio of aldehyde to amine containing compound ranging from about 1.

Abstract: An injection compacting composition having excellent injection compacting characteristics such as powder flowability and an excellent binder removability and being capable of providing compacts having a high strength and sintered compacts having no defects such as warpage and cracks in high yields, which comprises (1) an inorganic powder and (2) an organic binder comprising a composite acrylic polymer and a wax having a melting point of at most 100.degree. C.

Abstract: A process for preparing an organic binder which is suitable for use in the preparation of a sintered body of an inorganic powder such as a metallic powder or a ceramic powder, and which is superior in compactibility of the inorganic powder, removability from compacts of the inorganic powder prior to sintering, and yield and quality of sintered body, the process comprising the steps of dissolving (a) an ethylene-vinyl acetate copolymer and/or an ethylene-ethyl acrylate copolymer in (b) an acrylic or methacrylic acid ester or a mixture thereof with a styrene compound, dispersing the resulting solution in an aqueous medium containing a dispersing agent, and carrying out a suspension polymerization in the presence of a polymerization initiator such as an oil-soluble initiator.

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: This invention provides cationic emulsions of bituminous binders of the bitumen/polymer type, formed by a dispersion of an organic phase of the binder in an aqueous phase containing a cationic nitrogenous emulsifier and a mineral or organic acid, the acid being in appropriate quantity so that the pH of the aqueous phase is comprised between 3 and 9. The aqueous phase also contains an agent consisting of at least one water-soluble sequestering salt of polyfunctional nitrogenized carboxylic acid, particularly a salt of alkaline metal or of amine of mono- and di (hydroxy-2 ethyl) glycine and optionally a water-soluble thickening agent. To obtain the emulsions, which are usable for road applications, the emulsifying agent, the sequestering agent and optionally the thickening agent may be used in the form of a premixture containing the agents and called cationic emulsifying system.

Abstract: The invention relates to a polymer composition of a thermoplastic polymer made of monomeric units containing dicarboxylic anhydride groups and a polyaniline grafted onto the thermoplastic polymer through the reaction of the terminal NH.sub.2 group of the polyaniline with the dicarboxylic anhydride groups. The polymer composition has good thermoplastic processability as well as good conductive properties.

Abstract: The present invention provides resin compositions containing thermoplastic resins. Thermoplastic resins employable for the compositions are polyolefin resins, polyester resins, polystyrene resins, polyamide resins and polyphenylene ether resins. The present invention can be particularly effected by using polyamide, particularly, specific aromatic polyamides.In the present invention, the resin compositions can be improved in various chemical and physical properties such as flame-retardance, moldability, color tone, heat stability, mechanical strength by the use of other resin component and stabilizers such as halogenated organic compounds, modified polyolefins, antimony compounds, phosphorus-containing compounds, amine- or phosphorus-type stabilizers.

Abstract: Thermoplastic molding composition composed of A) 50 to 95% by weight of polyoxymethylene, B) 5 to 50% by weight of a rubber-elastic graft copolymer and optionally customary additives, in which the component B) is composed of a rubber-elastic core based on at least one polydiene, which is at least partially crosslinked, and at least one hard graft shell and has a bimodal particle size distribution. Monomers for formation of the graft shell are styrene, (meth)acrylonitrile and/or methyl methacrylate. The moldings produced from the molding compositions possess good tough fracture characteristics even at low temperatures.

Abstract: Tough transparent thermoplastics blends may be prepared by blending 10 to 99 weight percent of a block copolymer; 0.1 to 1 weight percent of particulate rubber having a particle size from 0.1 to 10 microns; and the balance a clear glassy polymer. These clear polymers are useful in a number of applications, particularly for those applications requiring quite high toughness and transparency such as packaging, containers or protective covering.

Abstract: A coating composition containing a film-forming organosilane polymer and a sterically dispersed macromolecular polymer having silane functional macromonomer chains which react with the silane functionality of the organosilane polymer. The coating composition can be used as the clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or primer when a suitable amount of pigment is incorporated therein. The coating composition provides improved chemical resistance and is not prone to cracking.

Abstract: A coating composition containing a film-forming organosilane polymer and a sterically dispersed macromolecular polymer having macromonomer chains which react with the silane functionality of the organosilane polymer. The coating compositon can be used as the clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or primer when a suitable amount of pigment is incorporated therein. The coating composition provides improved chemical resistance and is not prone to cracking.

Abstract: A coating composition containing a film-forming organosilane polymer and a sterically dispersed macromolecular polymer having hydroxy functional macromonomer arms which react with the silane functionality of the organosilane polymer. The coating compositon can be used as the clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or primer when a suitable amount of pigment is incorporated therein. The coating composition provides improved chemical resistance and is not prone to cracking.

Abstract: A thermoplastic resin composition comprising (a) modified polyolefin produced by graft-polymerizing a polyolefin with a glycidyl compound represented by the following general formula: ##STR1## wherein R is a hydrogen atom or an alkyl group having 1-6 carbon atoms, Ar is an aromatic hydrocarbon group having 6-20 carbon atoms and containing at least one glycidyloxy group, and n is an integer of 1-4; and (b) a matrix polymer resin such as polyamide, polyester, polycarbonate etc.

Abstract: A thermoplastic resin composition is here disclosed which is prepared by blending (I) 99 to 1% by weight of a polyamide resin, (II) 1 to 99% by weight of at least one kind of resin selected from the group consisting of a polyphenylene ether resin alone or a mixture of the polyphenylene ether resin and a styrene polymer, an aromatic polyester resin, a polycarbonate resin, a polyoxymethylene resin, an ABS resin, a polyarylene sulfide resin and a polyarylate resin, and (III) 0.1 to 100 parts by weight, based on 100 parts by weight of the aforesaid resins (I)+(II), of a multi-phase structure thermoplastic resin.

Abstract: A coating composition containing a film-forming organosilane polymer and a sterically dispersed macromolecular polymer having macromonomer chains which react with the silane functionality of the organosilane polymer. The coating compositon can be used as the clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or primer when a suitable amount of pigment is incorporated therein. The coating composition provides improved chemical resistance and is not prone to cracking.

Abstract: Graft polymers for use as compatibilizers and/or modifiers for engineering thermoplastic compositions are provided comprising the reaction product of functionalized thermoplastic polymers with styrene-maleic anhydride copolymer. The functionalized thermoplastic polymers are based typically on polyolefin polymers and contain at least one functional group reactive either with styrene-maleic anhydride copolymer, or with direactive linking groups reactive with both of the functionalized thermoplastic polymer and styrene-maleic anhydride copolymer. The engineering thermoplastic compositions to be modified include polar engineering thermoplastics and the non-polar engineering thermoplastics based on styrene.

Abstract: Higher yields of graft copolymer occur when a catalytic amount of base is present during the grafting reaction. The resulting blends of ungrafted polymer with higher graft-copolymer content exhibit improved toughness and clarity.

Abstract: Novel grafted polymers having backbones formed from unsaturated monomers and having pendent isocyanate containing sidechains derived from isopropenyl-alpha,alpha-dimethylbenzyl isocyanate or copolymers thereof are described.Curable coating and molding compositions employing the novel grafted polymers of the invention in combination with isocyanate reactive materials are also described.

Abstract: A novel graft copolymer capable of imparting to a polyolefin when blended therewith high tensile modulus and high sag resistance without increasing melt viscosity, and a method of making the same. The graft copolymer is a polyolefin having a relatively high weight-average molecular weight methacrylate polymer grafted thereto. The graft copolymer is formed by dissolving or swelling a non-polar polyolefin in an inert hydrocarbon solvent, heating to dissolve the polyolefin, and while stirring the mixture, adding a methacrylate monomer, together with an initiator to produce a constant, low concentration of radicals, to form a graft copolymer with a high molecular weight polymer chain covalently bonded or grafted to the polyolefin backbone. The graft copolymer can be separated from the solvent, isolated by volatilizing the solvent, for example in a devolatilizing extruder, and extruded into a desired shape such as a sheet, tube or the like. This graft copolymer can be blended with a poolyolefin matrix.

Abstract: Polymer blends are provided which exhibit reduced surface gloss while maintaining impact and flow properties. The blends comprise an aromatic polycarbonate resin, an acrylonitrile-butadiene-styrene graft copolymer and an ionomeric resin. The blends are useful as molding resins for making molded plastic parts exhibiting reduced surface gloss.

Abstract: Coating compositions comprising liquid crystalline binders are provided by a combination of mesogenic groups and amorphous resins. The mesogenic groups are either covalently bonded or cross-linked to the amorphous resins to provide coatings of exceptional hardness and toughness. Also provided is an economical process suitable for commercial manufacture of mesogenic compounds and more particularly for the production of liquid-crystalline oligoester polyols.

Abstract: Polymer mixtures of:(A) 2 to 98 wt. % of a polymer containing at least 80 wt. % of the repeating unit --(CH.sub.2 --O)--; and (B) 98 to 2 wt. % of a polymer containing at least to 90 wt. % of a polymer B1 which contains at least 60 wt. % of a monomer of the formula (I) ##STR1## in which R is an alkyl group with 1 to 3 carbon atoms and X is ##STR2## and 80-10 wt. % of a polymer B2 having a glass transition temperature, Tg, below 0.degree. C., and which is covalently bonded with at least 5 wt. % of the polymer containing the monomers of formula I exhibit high solvent resistance and good mechanical properties.

Abstract: A polyphenylene ether resin composition comprising(A) a polyphenylene ether resin,(B) a polystyrene resin, and(C) a graft copolymer prepared by graft-polymerizing one or more vinyl monomers onto a compound rubber having an average particle diameter of 0.08 to 0.6 .mu.m and a structure wherein 10 to 90% by weight of a polyorganosiloxane rubber component and 90 to 10% by weight of a polyalkyl (meth)acrylate rubber component are tangled with each other so as not to separate, the total amount of the polyorganosiloxane rubber component and the polyalkyl (meth)acrylate rubber component being 100% by weight of the compound rubber. This resin composition provides molded products superior in impact resistance, heat resistance, mechanical strength, and surface appearance and is superior in moldability and flow properties.

Abstract: The ionomer salt of low molecular weight copolymer reaction product of a copolymer acid of an .alpha.-olefin and an unsaturated carboxylic acid, and at least one amino acid compound, and a cation containing material. The unsaturated carboxylic acid is preferably an .alpha.,.beta.-ethylenically unsaturated carboxylic acid. The present invention includes a method of preparing the ionomer. The ionomer has excellent compatibility with other polymers, particularly polyamides. The ionomer is useful in a method to flush water from pigments.

Abstract: A primer composition has an excellent bonding ability to materials such as polyethylene, polypropylene and synthetic rubbers and is easily bonded to functional coatings. A composite layer of a coating and the primer composition having a function of addition is formed on the surface of these materials by coating or the like. A primer composition is employed which is suitable for such uses wherein a polymer of an unsaturated dicarboxylic acid and a polyolefin or a chlorine denaturated product thereof is used as a main component and a chlorosulfonated polyethylene is applied to improve heat resistance.

Abstract: A thermoplastic molding composition comprising a polycarbonate resin and ABS is rendered improved levels of resistance to gasoline environment and thermal stability upon the incorporation therewith of a particular vinyl copolymer.

Abstract: Novel grafted polymers having backbones formed from unsaturated monomers and having pendent isocyanate containing sidechains derived from isopropenyl-alpha, alpha-dimethylbenzyl isocyanate or copolymers thereof are described.Curable coating and molding compositions employing the novel grafted polymers of the invention in combination with isocyanate reactive materials are also described.

Abstract: Curable unsaturated polyester resin compositions from which molded products with superior surface smoothness can be obtained include a block copolymer of a specified form, an unsaturated polyester, a vinyl monomer, a filler, a curing catalyst and a reinforcing fiber. The block copolymer is of the form A--(B).sub.n where A is non-hydrogenated polyisoprene block having viscosity average molecular weight of 10000 or more, B is saturated polyester block obtainable by condensation of organic dicarboxylic anhydride and 1,2-epoxide, more than 50 mol % of terminal groups of the polyester block being carboxylic acid group, A and B are connected by ester linkage and n is not less than 2. Block copolymers of this type can be formed by starting with carboxylic acid or hydroxyl group in polyisoprene and by alternate condensation of organic dicarboxylic anhydride and 1,2-epoxide.

Abstract: A coating composition containing a film-forming organosilane polymer and a sterically dispersed polymer having macromonomer chains which react with the silane functionality of the organosilane polymer. Silane functionalities in the core of the dispersed polymer provides post-cure crosslinking in the core. The coating composition can be used as the clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or primer when a suitable amount of pigment is incorporated therein. The coating composition provides improved chemical resistance and is not prone to cracking.

Abstract: Thermoplastic molding compositions containing thermoplastic, aromatic polycarbonates, graft polymers, special phosphorus compounds, antidripping agents and optionally other thermoplasts as well as conventional additives are disclosed. The compositions are characterized by their flame resistance and mechanical properties. Also disclosed is a process for the preparation of the molding compositions.

Abstract: The invention relates to poly(meth)acrylates having grafted-on polycarbonate chains, to their production and to their use as modifiers for thermoplastic polycarbonates having improved resistance to gasoline and/or improved impact strength at low temperatures and to their production.

Abstract: A process for producing a graft copolymer is disclosed. The graft copolymer, based on a rubber which contains phenolic OH groups and grafted with polycarbonate chains is produced under the conditions of the two-phase interfacial polycondensation. Also disclosed are gasoline resistant thermoplastic polycarbonate compositions containing the graft.

Abstract: A hardenable unsaturated polyester resin composition contains block copolymers and unsaturated polyester. The block copolymer includes both polyester blocks and a polydiene block as constituent segments.

Abstract: Articles molded from a moisture shrinkable polymer are provided. The article are stretched. The moisture shrinkable polymer may comprise a graft copolymer, a block copolymer, or a blend of a thermoplastic polymer with a hydrophilic synthetic polymer or a polysaccharide. The article absorb moisture and shrink at room temperature of not more than 50.degree. C. in a highly humid atmosphere. The articles experience little decrease in tensile strength during shrinkage by moisture absorption or by prolonged storage after the moisture absorption. The article is useful when used as a film for shrink wrapping commodities which are not resistant to heat.

Abstract: Polyester molding compositions which contain an unsaturated polyester and an additional monomer for curing the polyester are improved by addition of a block copolymer which is modified with an unsaturated polyester. The block copolymer is an unsaturated block copolymer of a monoalkenyl aromatic hydrocarbon and a conjugated diene. The block copolymer is preferably produced by polymerizing styrene-butadiene diblock copolymer arms and coupling the arms with a difunctional coupling agent.