Abstract: A compatible, single-phase, polyblend comprisingI) a polymer which is a polycarbonate, polyvinyl chloride, or polyvinylidene fluoride, andII) a copolymer comprising from 40 to 99.99 percent by weight ofA) a monomeric ester formed between acrylic acid or methacrylic acid and a C1-C10 alcohol, and from 0.01 to 60 percent by weight ofB) a monomer of the formula ##STR1## wherein R.sub.1 is hydrogen or methyl, Y is oxygen or -NR.sub.2 - where R.sub.2 is hydrogen or alkyl, and Z isi) a 2-hydroxyphenyl benzotriazole,ii) a 2-hydroxybenzophenone or 2-hydroxyacetophenone,iii) an alpha-cyano-beta,beta-diphenyl, andC) optional other monomers.

Abstract: A grafted aromatic polycarbonate resin is produced by melt-kneading a graft precursor comprising a mixture of 35 to 95% by weight of aromatic polycarbonate resin particles and 65 to 5% by weight of vinylic copolymer containing active oxygen, the vinylic copolymer being present in the aromatic polycarbonate resin particles, thereby subjecting to grafting reaction of the aromatic polycarbonate resin and the vinylic copolymer, where the grafting reaction can be sufficiently carried out and thus the grafted polycarbonate resin is useful for molding materials for optical disks, optical lenses, etc. a polymer blend-compatible agent, adhesives, paints, etc.

Abstract: A thermoplastic resin composition consisting essentially of (a) 50 to 90 % by weight of polybutylene terephthalate (component A), (b) 5 to 40 % by weight of modified polyolefin modified by an unsaturated monomer having a glycidyloxy group and an unsaturated monomer having a carboxyl group or an acid anhydride group (component B), (c) 5 to 40 % by weight of polycarbonate (component C); and molded articles prepared from the above thermoplastic resin composition.The thermoplastic resin composition of the invention can give molded articles having excellent toughness, rigidity, strength and dimensional stability.

Abstract: The present invention relates to a process for producing polymer blends from polycarbonate and mass-polymerized ABS by the condensation of oligocarbonate in the presence of mass-polymerized ABS.

Abstract: A transparent blend composition comprising a methyl methacrylate-tribromophenyl maleimide copolymer and polycarbonate, the weight percent ratio of the copolymer to the polycarbonate being about 1:99 to about 99:1.

Abstract: Glycidyl (meth)-acrylate polymer and an organic acid, phosphoric acid, phosphorous acid, hypophosphoric acid and/or a compound other than an organic acid containing one or more functional groups selected from among carboxyl, amino, hydroxyl, acid anhydride and thiol groups added to an aromatic polycarbonate resin composition, decrease the luster of the composition without compromising the properties of the composition.

Abstract: Novel polycarbonate compositions comprising blends which contain thermoplastic olefin copolymers are prepared from precursor orthoester and orthocarbonate functionalized olefin polymers and functionalized polymers and the novel polycarbonate compositions display improved physical properties.

Abstract: A thermoplastic resin composition comprising 1 to 300 parts by weight of a copolymer (A) which is obtainable by polymerizing 0.1 to 400 parts by weight of an unsaturated epoxy monomer and 0 to 1,000 parts by weight of other copolymerizable monomer in the presence of 100 parts by weight of an ethylene-.alpha.-olefin base rubber, and 100 parts by weight of a mixture comprising 90 to 10% by weight of a polycarbonate resin (B) and 10 to 90% by weight of a saturated polyester (C), which can give a molded article having improved balance among heat resistance, chemical resistance, impact resistance and a shrinkage factor; falling ball impact resistance; weld strength; and appearance.

Abstract: The invention provides a low gloss polymer blend comprising an aromatic carbonate without reactive groups, a polymer or copolymer having a reactive epoxygroup and an aromatic carbonate polymer or copolymer having a reactive group which react with the epoxy group. Optionally, the composition may contain further usual compounds, such as polymeric materials which are normally used to modify the mechanical properties of polycarbonate, particularly rubbery or non-rubbery polymeric materials containing units of a styrene; also additives like colorants, flame retarding agents may be routinely incorporated.

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: A polymer blend of a polyglutarimide and liquid crystalline copolyester polymer or benzimidazole polymer. The blend is a melt-compoundable polymer blend.

Abstract: Polyester-carbonate resins blended with a fibrous reinforcing agent, an impact-modifier and optionally a flame-retarding agent are used to mold articles such as structural panels. The articles exhibit improved impact-resistance without significant loss of elastic modulus and fire-retardancy.

Abstract: Polyester-based shock-resistant compositions, endowed with a high shock resistance, particularly at low temperatures comprising:(a) a matrix constituted by one or more unsaturated polyesters;(b) an elastomer constituted by butadiene or acrylic rubbers; and(c) a block-copolyester.

Abstract: Acrylic polymers having a minimum molecular weight of about 500,000, and preferably of about 1,500,000, are blended at levels of from 1 to 25% with thermoplastic resins to improve the melt rheology of the thermoplastic resins and facilitate blow molding, thermoforming, extrusion and similar processes.

Abstract: This invention provides a polycarbonate resin composition for optical use and an optical disc substrate manufactured therefrom. Polycarbonate resin is mixed with at least one kind of carboxylic acid selected from aliphatic carboxylic acids having 1 to 10 carbon atoms in which hydrogen atoms of aliphatic group may be substituted by hydroxyl groups; or aromatic carboxylic acids in which hydrogen atoms of the aromatic ring may be substituted by low alkyl groups, hydroxyl groups, or halogen atoms.The amount of the carboxylic acids is 5 to 1000 ppm based on the polycarbonate resin.

Abstract: Polycarbonates (PC) can be blended over all compositions with block copolymers containing stereoregular polymethyl methacrylate (s-PMMA) in which at least 60% of the monomer units are in the syndiotactic configuration to form modified but transparent polycarbonates for a number of applications. Additional homopolymers corresponding to the blocks of the copolymer may also be added to even further modify the properties of the polycarbonate while still retaining transparency.

Abstract: Thermoplastic resin compositions having the following component A-1 or A-2, component B and component C:(A-1): a polymer component having a functional group capable of reacting with an amino group, or(A-2): a composition of component (A-1) and a resin that is non-reactive with an amino group and is different from the resin used in the following component B(B) a thermoplastic resin component that is non-reactive with an amino group under the conditions required to mold the entire resin composition; and(C) a graft copolymer obtained by a graft reaction of a thermoplastic polymer, with a compound (I), or a copolymer having the repeating unit (II) and the repeating unit of an ethylenic unsaturated monomer, ##STR1## wherein R.sup.1 -R.sup.4, the same or different represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or an aralkyl group.

Abstract: A rapidly-crystallizing modified poly(ethylene terephthalate) contains an acrylic core/shell impact modifier, a small amount of a polycarbonate, and a small amount of a copolymer of ethylene with a vinyl or vinylidene monomer containing ester groups. Improved mold release and lessened plate-out are observed over other additive combinations.

Abstract: A polycarbonate resin composition which comprises (a) a polycarbonate containing a repeating unit (I) derived from tetrahalogenobisphenol A and a repeating unit (II) derived from bisphenol A and trihalogenophenoxy groups bonded at the terminals, and (b) at least one thermoplastic resin selected from the group consisting of (i) a polyamide resin selected from the group consisting of nylon 6 and nylon 6,6, (ii) a thermoplastic polyester selected from the group consisting of polyethylene terephthalate and polybutylene terephthalate and (iii) a polyolefin. The polycarbonate resin composition has desirable physical properties including desirable mechanical properties, moldability, heat resistance, flame retardance, thermostability, rigidity, impact resistance, solvent resistance, and fluidity, and can be used to make parts for automobiles, home electric appliances, and office automation appliances.

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: The invention relates to blends of polyether copolycarbonates and other thermoplastics, to their production and to their use for the production of membranes, more particularly for dialysis.

Abstract: Thermoplastic elastomer compositions comprise a blend of polyester resin and a covalently-crosslinked acrylate rubber. Such compositions can be prepared by dynamic vulcanization of the rubber in admixture with the polyester and can exhibit high temperature dimensional stability and low oil swell.

Abstract: Flame retardant polymer blend compositions exhibiting increased weld line strength comprise a polycarbonate polymer, an ABS resin, a phosphate flame retardant compound and a polyalkylmethacrylate. Preferred polyalkylmethacrylates comprise polymethylmethacrylate homopolymer and copolymers thereof with at least one C.sub.l -C.sub.4 alkyl acrylate.

Abstract: Bisphenol A polycarbonate containing at least 15 mole % of fluorinated bisphenol monomer units such as 2,2-bis-(4-hydroxyphenyl) hexafluoropropane (6F-Bisphenol A) can be blended with polymethyl methacrylate (PMMA) to form thermodynamically miscible, transparent, single phase blends at all compositions.

Abstract: Commercially available solid rubber modified acrylic multipolymers and polycarbonate polymer are tumble blended and melted and extruded through an extruder. Resulting alloys comprise an unsaturated rubber such as polybutadiene grafted with methylmethacrylate and styrene; a multipolymer comprising methylmethacrylate and styrene, and acrylonitrile, ethylacrylate, or methylacrylate; and polycarbonate. The ratio of rubber to graft monomers ranges from about 1:1 to about 6:1 and is preferably about 3:1. Graft monomers comprise from about 60 to about 85 parts methylmethacrylate, about 15 to about 30 parts styrene, and up to about 15 parts methylacrylate, ethylacrylate, or acrylonitrile. The multipolymer comprises from about 60 to about 80 parts of methylmethacrylate, about 15 to about 30 parts of styrene, and up to 15 parts of methylacrylate, ethylacrylate, or acrylonitrile. The ratio of graft rubber to multipolymer ranges from about 5:95 to about 25:75.

Abstract: Acrylate or methacrylate polymers, or copolymers of acrylates and/or methacrylates with other vinyl monomers, are blended in compositions with poly(phenylene ether), and/or with a poly(phenylene ether) concentrate containing poly(phenylene ether), polystyrene, a vinyl aromatic copolymer, polyamide, polycarbonate, polyester, poly(alkyl acrylate), and/or poly(alkyl methacrylate). The blended compositions may also optionally contain additional vinyl aromatic copolymer as a separate component, impact modifiers, thermoplastic molding materials including polycarbonate, polyester, polystyrene, polyolefin, polyamide, poly(vinyl chloride), polyurethane, polyacetal, and conventional additives such as dyes and pigments.

Abstract: Polycarbonates (PC) can be blended over all compositions with block copolymers containing polyaromatic(alkyl)methacrylates (PAAM) to form modified but transparent polycarbonates for a number of applications. Furthermore, additional homopolymers corresponding to those in the block copolymer may also be added to further modify the properties of the polycarbonate while still retaining transparency. Polycarbonate plus PAAM block copolymers containing from 1 to 99% by weight PC behave as transparent materials with the PC and the PAAM block forming a continuous, single phase material.

Abstract: This invention relates to a blend comprising a polyester, polycarbonate and an amine functinalized elastomer and optionally an effective amount of an effective graft coupling agent.

Abstract: Intimate blends of macrocyclic oligomer compositions, such as cyclic polycarbonate or poly(alkylene dicarboxylate) oligomer mixtures, are blended with linear polymers, especially addition polymers. The blends flow easily and are frequently homogeneous. The macrocyclic oligomers therein may be polymerized to produce resin blends having advantageous properties.

Abstract: The impact strength of articles made from a flame-retarded formulated ABS resin containing an impact modifier is increased by forming a concentrate or masterbatch containing the flame retardant and impact modifier, blending the concentrate with ABS resin and extruding the resultant blend.

Abstract: Polycarbonates can be blended with 1-99% of polymethyl methacrylate (PMMA) polymers in which at least 60% of the monomer units are in the syndiotactic configuration to form thermodynamically miscible, single phase, transparent blends at all compositions.

Abstract: The present invention relates to coating compositions in pulverulent form which are solid below 30.degree. C. and liquid above 150.degree. C. and containA) 10 to 99 parts by weight of a copolymer component containing at least one copolymer which is prepared from olefinically unsaturated compounds, has a weight average molecular weight of 1500 to 75,000 and contains in chemically bound form(i) 1 to 30% by weight of cyclic carboxylic acid anhydride groups (calculated as C.sub.4 H.sub.2 O.sub.3) and(ii) 0.3 to 10% by weight of epoxide groups (calculated as C.sub.2 H.sub.3 O), andB) 1 to 90 parts by weight of a polyol component containing at least one organic polyol having at least two hydroxyl groups per molecule,provided that for every anhydride group of component A) there are 0.1 to 10 hydroxyl groups of component B).

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: The invention relates to polymer compositions comprising an aromatic polycarbonate, an aromatic polycarbonate with acid or ester functionality, a styrene based polymer and a styrene polymer with oxazoline groups.The polymer composition of the invention is suitable for molding objects with a mat surface.

Abstract: A thermoplastic resin composition comprising (a) 100 parts by weight of thermoplastic copolycarbonate comprising 0.1 to 50% by weight of structural unit of the following general formula (1) and 99.9 to 50% by weight of structural unit of the following general formula (2): ##STR1## and (b) 0.1 to 30 parts by weight of electroconductive carbon black can produce a molding product having good mechanical properties and surface smoothness with good moldability.

Abstract: A thermoplastic molding material which is made up of components A, B, C, and D. Component A comprises 10-90% of the composition and is a copolymer made up of 30-95% styrene; 4-40% (meth)acrylonitrile, methyl methacrylate, or maleic anhydride; 1-30% of a monomer described by formula in the specification, N-vinylimidazole or N-vinylcarbazole; and up to 40% of a copolymerizable ethylenically unsaturated monomer. Component B comprises 10-90% of the composition and is a copolymer made up of 50-99.9% of an alpha-olefin; 0.1-50% of a monomer containing acid groups; and up to 40% of a copolymerizable ethylenically unsaturated monomer. Component C comprises up to 80% of the composition and is a copolymer made up of 50-95% styrene and 5-50% (meth)acrylonitrile, methyl methacrylate or maleic anhydride. Component D comprises up to 80% of the composition and is made up of a polycarbonate. All percentages are by weight.

Abstract: A resin composition containing a mixture of a polycarbonate resin and a rubber-reinforced styrene base resin which is prepared by polymerizing, in the presence of a rubbery polymer, a monomer mixture of an aromatic vinyl monomer, at least one of cyanated vinyl monomers and alkyl esters of unsaturated carboxylic acids and at least one other vinyl monomer; a polyolefin graft polymer which is prepared by polymerizing, in the presence of a crystalline polyolefin, a monomer of an aromatic vinyl monomer and at least one of cyanated vinyl monomers and alkyl esters of unsaturated carboxylic acids; and optionally a terpolymer of an olefin, an unsaturated dicarboxylic anhydride and an alkyl ester of an unsaturated carboxylic acid or an epoxy group-containing olefin copolymer of an unsaturated epoxy compound, an olefin and optionally an ethylenically unsaturated compound, which composition has good coating properties.

Abstract: Compatibilizing agents suitable for blending otherwise immiscible polymers comprise a block or graft copolymer in which at least one of the block segments is formed by a living anionic polymerization and thereafter chemically converted to provide a polymer having at least one functional end group. The functional groups of the polymer blocks thus formed are reacted with a functionalized monomer, or an oligomer to provide a second block polymer segment. Compatibilizing agents containing more than two blocks may be formed in similar fashion. The compatibilizing agents are used to provide uniform blends of polar and non-polar polymers having superior uniformity and other physical properties.

Abstract: Blends of polycarbonate and polyester are admixed in compositions with poly(phenylene ether), and/or with a poly(phenylene ether) concentrate containing poly(phenylene ether), polystyrene, a vinyl aromatic copolymer, polyamide, polycarbonate, polyester, poly(alkyl acrylate), and/or poly(alkyl methacrylate). The blended compositions may also optionally contain additional vinyl aromatic copolymer as a separate component, impact modifiers, thermoplastic molding materials including polystyrene, polyolefin, polyamide, poly(vinyl chloride), polyurethane, poly(methyl methacrylate) and polyacetal, and conventional additives such as dyes and pigments.

Abstract: A blended composition containing polycarbonate and polyester and/or an acrylate polymer, modified with poly(tetrafluoroethylene), an organophosphorous compound and an aromatic halogenated carbonate oligomer to obtain ignition resistance properties, and, optionally, an elastomeric impact modifier.

Abstract: Blends having a high molding fluidity and flowability and high thermoresistance comprising:(a) at least one vinyl-aromatic thermoplastic polymer; and(b) at least one copolyester having a melting point lower than the molding temperature of the thermoplastic polymer (a), and preferably lower than 200.degree. C., a melt viscosity, at 232.degree. C., lower than 50 Pa.S., and obtained from at least one bicarboxylic aromatic acid, at least one aliphatic bicarboxylic acid, and at least one glycol.

Abstract: This invention provides a polycarbonate resin composition for optical use and an optical disc substrate manufactured therefrom. Polycarbonate resin is mixed with at least one kind of carboxylic acid selected from aliphatic carboxylic acids having 1 to 10 carbon atoms in which hydrogen atoms of aliphatic group may be substituted by hydroxyl groups; or aromatic carboxylic acids in which hydrogen atoms of the aromatic ring may be substituted by low alkyl groups, hydroxyl groups, or halogen atoms.The amount of the carboxylic acids is 5 to 1000 ppm based on the polycarbonate resin.

Abstract: The invention relates to compatible blends of 94 to 10% by weight aromatic poly(ester) carbonates or polycarbonates, 5 to 70% by weight polyamides and 1 to 20% by weight ester-functional (meth)acrylate polymers and, optionally, elastomers in typical modifying quantities, to a process for the production of these blends and to their use for the production of moldings.

Abstract: A process for the preparation of polymer combinations having high rubber contents from A) aromatic polyesters and B) at least partially cross-linked rubbers, in which1) an aqueous rubber latex having a rubber solids content of up to 65% by weight is mixed with an aqueous alkali metal diphenolate solution and a water immiscible organic solvent in a quantity of from 10 to 1000 parts by weight per 100 parts by weight of rubber in the latex,2) the mixture obtained according to 1) is reacted with dicarboxylic acid halides and/or carbonyl halides and3) the polymer combination is recovered.

Abstract: Interpolymers of aromatic polyesters and cross-linked (or partially cross-linked) rubbers and a process for their production in which a mixture of a cross-linked rubber in latex form containing reactive groups and an aqueous solution of an alkali metal or alkaline earth metal diphenolate is reacted with a solution of a dicarboxylic acid halide and/or a carbonyl halide in a water-immiscible solvent so that an aromatic polyester forms at the water/organic solvent phase boundary, which polyester goes over into the organic phase and the rubber at the same time also goes into the organic phase. The interpolymer of rubber and organic polyester thus formed is suitable for the production of moulded articles of all kinds by the methods of thermoplastic shaping such as extrusion and injection moulding.

Abstract: Aromatic polyetherimides can be blended with aromatic alkyl methacrylate polymers to give transparent, single phase and completely miscible materials at all compositions. Such blends, which exhibit only one glass transition, are endowed with improved workability, ease of processing and toughness compared to the polyetherimide alone as well as improved heat distortion, modulus and tensile strength as compared to the methacrylate alone. Aromatic polycarbonates, which are ordinarily immiscible with aromatic polyetherimides, can be compatibilized into single phase blends after the addition of a polyaromatic alkyl methacrylate.

Abstract: The improved resin composition comprises:(A) a melt-workable liquid-crystal polyester resin obtained by polymerizing components selected from the group consisting of a dicarboxylic acid represented by the general formula (a) HOOC--R.sub.1 --COOH, a diol represented by the general formula (b) HO--R.sup.2 --OH, and an oxycarboxylic acid represented by the general formula (c) HO--R.sup.3 --COOH;(B) a polycarbonate resin having a recurring unit represented by the general formula: ##STR1## (C) a polyolefin and/or an olefinic copolymer, and the polyolefin and/or olefinic copolymer (C) is contained in an amount of 1-15 parts by weight per 100 parts by weight of a resin consisting of 95-5 wt % of the liquid-crystal polyester resin (A) and 5-95 wt % of the polycarbonate resin(B). This resin composition is balanced between various physical properties including moldability, heat resistance, impact resistance, dimensional stability and stiffness.

Abstract: Heat-resistant resin compositions with an excellent pearly luster of this invention consist essentially of polycarbonates prepared from bisphenol A or its derivatives of the following general formula (I) ##STR1## in which R is hydrogen, a halogen, or a lower alkyl group and methyl methacrylate-.alpha.-methylstyrene copolymers with a weight average molecular weight of 30,000 to 200,000 and are useful for molding industrial articles requiring heat resistance.

Abstract: Flame retarded plastic composition are described, comprising a polycarbonate and a flame-retardant additive selected from pentabromobenzyl-monoacrylate, tribromostyrene and tribromophenyl maleimide, and their mixtures. The flame-retardant polycarbonates so obtained retain excellent transparency.

Abstract: Aryloxytriazine-capped polyphenylene ethers are prepared by reaction of a polyphenylene ether with an aryloxychlorotriazine such as diphenyl chlorocyanurate. The products undergo reaction with amine-terminated polymers such as polyamides, to form compositions which have excellent properties and which find utility as molding compositions and as compatibilizers for blends of similar polymers.