Abstract: Moldings of mixtures of an aromatic polycarbonate and a thermotropic polymer show a reduced tendency towards delamination when they contain a fluorinated polyolefin and an elastomeric graft polymer.

Abstract: A polycarbonate blend of good impact strength, solvent resistance and weldline properties is prepared by admixing with polycarbonate a grafted olefin/carbon monoxide copolymer and, optionally, a toughening agent such as a rubber.

Abstract: The present invention relates to poly-(C.sub.2 -C.sub.10 -.alpha.-olefine)-carboxylic acids of Mw (weight average) 2000 to 350,000, to their preparation by oxidative degradation of polyolefines or by reaction of "Living" polyolefines with CO.sub.2, to their conversion into poly-(C.sub.2 -C.sub.10 -.alpha.-olefine)-carbonyl halides and to their use for preparing polyolefine/polycarbonate block copolymers and the block copolymers obtainable by the process according to the invention.

Abstract: A polycarbonate blend having both improved solvent resistance and improved impact strength comprising in admixture a polycarbonate, a styrenic thermoplastic resin, a grafted olefin/carbon monoxide copolymer and, optionally, a rubber toughening agent.

Abstract: This invention relates to mixtures of thermoplastic aromatic poly(ester)carbonates with thermoplastic polyurethanes containing special graft polymers and, optionally, suitable additives, to a process for their production and to the use of the mixtures according to the invention for the production of moldings, particularly by injection molding or extrusion.

Abstract: A thermoplastic molding composition comprising 70 to 98 parts of an aromatic polycarbonate having a viscosity number of from 40 to 100 cm.sup.3 /g and 2 to 30 parts of a polyoctenylene or a modified polyoctenylene.

Abstract: This invention relates to mixtures of at least one elastomer latex with at least one dispersion of an aromatic polycarbonate, aromatic polyester or aromatic polyester carbonate.

Abstract: A blend of tetrafluoroethylene and a poly(oxy-p-phenyleneisophthaloyl-phenylene/oxy-p-phenyleneterephthaloyl- p-phenylene) (PEKK) results in improved processing of the fluoroelastomer at temperatures below the melting temperature of the PEKK and improves physical properties of cured fluoroelastomer.

Abstract: Transparent, thermoplastically processable polymer blends of (A) polycarbonates, especially Bisphenol A polycarbonates, and (B) methyacrylate copolymers are disclosed. They are prepared from 95 to 5 wt. % methyl methacrylate and 5 to 95 wt. % methacrylic esters and optionally 0 to 30 wt. % especially 1 to 25 wt. % of an acrylic ester with carbocyclic groups in the ester group, and which can also contain other polymer building blocks in amounts of 0 to 40 wt. % formed from .alpha.,.beta.-unsaturated monomers.

Abstract: Thermoplastic moulding compounds containing(A) from 5-90 parts by weight of one or more thermoplastic polymers,(B) from 5-90 parts by weight of one or more graft polymers and(C) from 0.25-40 parts by weight of a linear aliphatic polycarbonate.

Abstract: A low gloss thermoplastic blend is produced by blending an aromatic polycarbonate with a very high rubber ABS made by emulsion polymerization.

Abstract: The invention relates to a process for the production of molding compositions from a thermoplastic polycondensation resin susceptible to degradation at high temperature in the presence of H.sub.2 O, to which is admixed a second synthetic resin, present as an aqueous latex, at temperatures in the range of 150.degree.-300.degree. C. and under a pressure in the range of 1-100 bar under the effect of high shear forces, for a time sufficient to provide the desired molding composition without substantially degrading the polycondensation resin.

Abstract: The invention relates to the use of mixtures consisting of 5 to 95% by weight of an aromatic polycarbonate of which the linear chains contain from 0.1 mol-% to 50 mol-% bifunctional structural units corresponding to formula (1) ##STR1## and 95 to 5% by weight of a thermoplastic styrene polymer and, optionally, standard additives as substrates for optical storage media.

Abstract: The invention relates to polymer mixtures having a comparative tracking index of more than 400 volts (KC) and a VO-value according to UL-94. The polymer mixtures according to the invention comprise a polybutylene teraphthalate, an aromatic polycarbonate, a brominated polystyrene, and an agent to improve the impact strength.

Abstract: An impact modified polyester-polycarbonate blend, comprising:1. 20-45 wt % of a poly(ethylene terephthalate) resin,2. 20-50 wt % of a poly(cyclohexylene dimethylene terephthalate) resin,3. 10-50 wt % of a polycarbonate, and4. 8-20 wt % of an impact modifier,wherein the notched Izod impact strength of said blend is greater than 2.0 ft-lb/in. at -40.degree. C. and greater than 18.5 ft-lb/in. at 23.degree. C.

Abstract: The present invention relates to thermoplastic moulding materials containing thermoplastic polycarbonates, graft polymers and two different copolymers and, if appropriate, customary amounts of fire-retarding agents, stabilizers, pigments, mould release agents and/or antistatic agents, and to a process for the preparation of these moulding materials.

Abstract: Aromatic carbonate compositions having improved impact properties comprising an aromatic carbonate resin and a functionalized elastomeric polymer that is the reaction product of an ethylene elastomer having reactive polar groups and an oxazoline functionalized polystyrene are disclosed.

Abstract: Environmental stress failure resistant and impact resistant polycarbonates useful for producing molded plastic components are prepared from an aromatic polycarbonate and a copolymer of ethylene and carbon monoxide.

Abstract: A resin composition for optics is disclosed, which mainly comprises a graft copolymer comprising a styrene resin and an aromatic polycarbonate each having a specific molecular weight at a specific ratio of molecular weight and weight, said composition having a micro disperse phase of not more than 0.5 .mu.m. The resin composition has a reduced optical strain and an excellent micro disperse phase and is, therefore, suitable for use as optics.

Abstract: Polycarbonate and blends of polycarbonate with polyalkylene terephthalate are improved in impact properties by incorporation of a modifier comprising an EPM and/or EPDM elastomer in combination with an ethylene homo- or copolymer plastics component such as HDPE.

Abstract: Polyalkyloxazolines are useful as compatibilizing agents in polycarbonate/polyamide resin blends.

Abstract: Polycarbonates are blended with an impact modifier to improve the impact resistance thereof. The impact modifier is a multiple phase polymer system prepared by subsequent multiple stage polymerizations. The first phase which constitutes from about 50 percent to about 90 percent by weight of the multiple phase impact modifier is generally an elastomer such as an alkyl acrylate wherein the alkyl portion has from 2 to 18 carbon atoms. The second phase polymer is generally a plastic type compound such as a vinyl substituted aromatic, an alkyl methacrylate, or an alkenyl nitrile compound. The impact modifiers are made without utilizing any crosslinking or grafting agents and thus are substantially free of any such bonds and are generally free-flowing powders.

Abstract: Blends of a silicone-polycarbonate block copolymer with a compatibilized alloy of polyphenylene ether and polyester resins comprise a class of thermoplastic materials with physical properties ranging from those of a self-extinquishing, tough thermoplastic elastomer to a rigid engineering material. The compatibilizers include aromatic polycarbonates and rubber-modified impact modifiers.

Abstract: A heat resistant copolymer composition is provided by blending two kinds of copolymers one of which is obtainable by polymerizing a maleimide monomer (A), an aromatic vinyl monomer (B), an unsaturated nitrile monomer (C) and optionally at least one other comonomer copolymerizable therewith (D) in a specific monomer ratio in the presence or absence of an elastomeric polymer and which has an intrinsic viscosity of 0.3 to 1.2 dl/g, and another of which is obtainable by copolymerizing the aromatic vinyl monomer (B), the unsaturated nitrile (C) and optionally at least one other comonomer copolymerizable therewith (D) in a specific monomer ratio in the presence or absence of the elastomeric polymer and which has an intrinsic viscosity of 0.3 to 1.5 dl/g.

Abstract: Resin bearing material consists essentially of at least one thermoplastic resin material selected from the group consisting of polyacetal, polyamide, polycarbonate, polyphenylene sulfide, polyethylene terephthalate, and ultra-high molecular weight polyethylene, and of aromatic group, polyamide fiber, and is produced by the steps comprising kneading fand extruding said at least one thermoplastic resin material and the cutting the extruded material.The sliding characteristics are superior to the conventional oleo-bearing materials containing the carbon fiber, and glass fiber.

Abstract: The invention relates to a process for the production of vinyl copolymers with grafted-on polycarbonate chains, to the grafted vinyl copolymers obtainable by the process according to the invention, to their use as modifiers for mixtures of thermoplastic polycarbonates and thermoplastic polystyrenes, to such mixtures themselves and to the use of such mixtures as substrates for optical discs.

Abstract: An aromatic carbonate resin composition exhibiting improved impact properties comprised of:(i) at least one aromatic carbonate resin;(ii) at least one effective amount of at least one impact modifier; and(iii) an amount effective to improve the impact properties of (i) and (ii) but insufficient to substantially deleteriously affect, to a substantial degree, most of the advantageous properties thereof of at least one aliphatic sulphonate.

Abstract: Blends based on vinyl-aromatic polymers endowed with improved characteristics of chemical resistance, comprising:from 10% to 90% by weight of an impact-resistant styrenic copolymer containing from 8 to 30% by weight of an ethylenically unsaturated nitrile, from 15% to 45% by weight of an olefinic elastomer, and from 77% to 25% by weight of a vinyl-aromatic monomer, andfrom 90% to 10% by weight of a mixture of aromatic group containing resins constituted by from 70% to 99% by weight of an aromatic polycarbonate and from 30% to 1% by weight of an aromatic polyester.

Abstract: The present invention relates to thermoplastic moulding materials from polydiorganosiloxane-polycarbonate block copolymers and copolymers from styrenes and maleic anhydride and, if appropriate, further conventional additives, and also a process for the preparation of these moulding materials.

Abstract: The present invention relates to ternary polymer blends containing (a) a polyetherimide, (b) a rubber modified vinyl aromatic polymer, and (c) a polyphthalate carbonate. The blends have excellent high temperature properties, improved impact resistance values and have excellent flexural values.

Abstract: The invention concerns thermoplastic molding compositions comprising a blend of a polycarbonate resin, a conjugated diene graft polymer and an impact modifying agent characterized in that said conjugated diene graft polymer contains at least some .alpha.-methyl styrene which compositions combine improved impact strength and good HDT values.

Abstract: Polymers of the formula: ##STR1## wherein X is selected from the group consisting of halogen, hydroxyl and alkoxy and n is an integer such that the polymer has a weight average molecular weight within the range of from 5,000 to 30,000 are useful to prepare a wide variety of block copolymer resins such as polycarbonate-polyisobutylene block copolymer.

Abstract: A composition comprising:(a) at least one copolymer having at least one of M.sub.w /M.sub.n less than 2 and M.sub.z /M.sub.w less than 1.8; and(b) at least one plastic composition.The composition can be produced by preparing the elastomer and then blending it with the plastic. The composition can be subjected to an additional step of curing.

Abstract: Blends of polycarbonate resins with styrene-acrylonitrile types of copolymers are rendered miscible by the presence of a polysulfone-carbonate resin.

Abstract: A resin composition comprising (A) 80 to 99.5% by weight of poly(4-methyl-1-pentene) and (B) 0.5 to 20% by weight of a thermoplastic resin having a reflective index between 1.48 and 1.80, typically polycarbonate and polyester has high resistance to food stains and a white color without a pigment and is suitable to mold into dishes.

Abstract: An aromatic carbonate resin composition substantially free of non-crosslinked or linear styrene-acrylonitrile resin exhibiting improved impact properties comprised of:(i) at least one thermoplastic aromatic carbonate resin; and(ii) an amount effective to improve the impact properties of said resin of at least one interpolymer of a crosslinked polyacrylate and a crosslinked styrene-acrylonitrile resin. The interpolymer is a two phase interpolymer formed by a two stage polymerization process.

Abstract: An ignition resistant carbonate polymer composition comprising a mixture of one or more carbonate polymers, and a high elastic memory polytetrafluoroethylene having a heat shrinkage equal to or greater than 15% with or without one or more organo phosphorous compounds.

Abstract: Polycarbonate resin compositions are disclosed comprising: (a) a polycarbonate resin; (b) an ABS-type terpolymer; and (c) at least one polyether-polycarbonate-polyether ABA-type triblock copolymer. These compositions are characterized by an improved Izod toughness at lower temperatures.

Abstract: New polymeric compositions comprising polyolefin-polycarbonate-polyolefin triblock copolymers and a method of preparation comprising reacting a monohydroxy polyolefin in an organic solvent with a carbonate precursor such as phosgene, adding the resultant mixture to bisphenol A, water, an organic solvent and an acid acceptor such as sodium hydroxide, controlling the pH of the polymerizing mixture at 11 and, after the polymerization is complete, decreasing the pH to 8 and recovering the product.

Abstract: A process which comprises mixing a melt of an amorphous aromatic polyester with a melt of a carboxy terminated polystyrene oligomer, said oligomer having a number average molecular weight of from about 500 to 10,000.

Abstract: The present invention relates to poly-(C.sub.2 -C.sub.10 -.alpha.-olefine)-carboxylic acids of Mw (weight average) 2000 to 350,000, to their preparation by oxidative degradation of polyolefines or by reaction of "Living" polyolefines with CO.sub.2, to their conversion into poly-(C.sub.2 -C.sub.10 -.alpha.-olefine)-carbonyl halides and to their use for preparing polyolefine/polycarbonate block copolymers and the block copolymers obtainable by the process according to the invention.

Abstract: A thermoplastic resin composition consisting essentially of:(A) 20 to 80% by weight of a polycarbonate having a viscosity-average molecular weight of 14,000 to 27,000,(B) 10 to 70% by weight of a maleimide resin obtained by polymerizing 95 to 35 parts by weight of a monomer mixture consisting of 10 to 70% by weight of a maleimide compound, 25 to 80% by weight of an aromatic alkenyl compound, 5 to 40% by weight of an alkenyl cyanide compound and optionally 50% by weight or less of a monomer copolymerizable therewith, in the presence of 5 to 65 parts by weight of at least one rubber-like polymer selected from the group consisting of an ethylene-propylene-nonconjugated diene rubber, an ethylene-propylene rubber and an acrylic rubber, and(C) 5 to 70% by weight of a styrene resin obtained by polymerizing 95 to 20 parts by weight of a monomer mixture consisting of 5 to 40% by weight of an alkenyl cyanide compound, 10 to 95% by weight of an aromatic alkenyl compound and optionally 0 to 70% by weight of at least one

Abstract: There is provided a thermoplastic resin laminate, comprising a modified aromatic polycarbonate type resin containing (a) functional groups selected from aliphatic hydroxyl groups, carboxyl groups and epoxy groups in a copolymerized form and a modified polyolefin type resin containing (b) functional groups selected from the above group of functional groups and being different from the above functional groups (a) in a copolymerized form, the contents of the functional groups (a) and (b) being each 5.times.10.sup.-5 to 5.times.10.sup.-1 mol/100 g.

Abstract: Polyester-polycarbonate blends having increased melt viscosity, and useful in such applications as blow molding, profile extrusion and thermoforming, are prepared by incorporating at least one poly(O- or N-epoxyalkyl-substituted) cyclic amide, imide or imidate, preferably triglycidyl isocyanurate. They may also contain impact modifying polymers.

Abstract: An aromatic polycarbonate resin blend characterized by improved melt-flow properties particularly suited for blow molding. The blend consists of at least 80 percent of cyclic polycarbonate oilgomer or polycarbonate molding resin, the remainder being an aromatic hydroxylated resin such as a phenoxy resin, together with a curing agent.

Abstract: An optical resin material comprising at least two constituent units each having positive and negative main polarizability differences of at least 50.times.10.sup.-25 cm.sup.3 in terms of absolute values has small birefringence and good water absorbance, heat resistance and moldability.

Abstract: A compatibilizing agent for polymeric blends of polycarbonates and polyamides which have improved physical and chemical resistance properties, without any substantial sacrifice of the desirable properties of the polycarbonate or polyamide.

Abstract: Thermoplastic molding materials based on(A) nylons and(B) polycarbonates, and containing 0.1-30% by weight of(C) a polymer containing hydroxyl groups, --OH.The molding materials have good surface characteristics and high impact strength, especially at low temperatures.

Abstract: An aromatic carbonate resin composition comprising:(i) at least one aromatic carbonate resin; and(ii) a copolyetherester comprised of a multiplicity of long chain ester units and short chain ester units joined head-to-tail through ester linkages, said long chain ester units being comprised of the reaction products of a dicarboxylic acid or its derivative and a poly(alkylene oxide)glycol, and said short chain ester units being comprised of the reaction products of a dicarboxylic acid or its derivative and at least one low molecular weight diol.The compositions contain an amount of said copolyetherester effective to improve the melt flow or processability of the aromatic carbonate resin. The instant compositions may optionally contain an impact modifying amount of at least one impact modifying compound. The instant compositions are useful in the preparation of extruded or molded shaped articles.

Abstract: The present invention relates to thermoplastic mixtures of 90 to 20% by weight of an aromatic polycarbonate with an Mw of 15,000 to 25,000 and p-(iso-C.sub.8 -C.sub.9 -alkyl)-phenyl end groups and 10 to 80% by weight of a polystyrene with an Mw of 80,000 to 400,000, and to their use as substrates for optical data memories.