Abstract: A molding material is described which contains, in each based on the sum of A, B and C,A. from 5 to 95, in particular from 20 to 80, % by weight of a copolymer comprisinga) from 1 to 95% by weight of styrene,b) not more than 40% by weight of acrylonitrile andc) from 5 to 98% by weight of an amide of methacrylic acid of the formula I ##STR1## where R is primary, secondary or tertiary alkyl, cycloalkyl, aryl or aralkyl of 1 or 6 or 7, respectively, to 12 carbon atoms, with the proviso that, when alkyl is methyl or isopropyl, the copolymer has a styrene content of less than 75% by weight,B. from 5 to 60, in particular from 10 to 40, % by weight of a graft polymer B, prepared by emulsion polymerization of a mixture of styrene and acrylonitrile in the weight ratio from 60:40 to 90:10 in the presence of, based on the amount of expected copolymer, from 40 to 80, in particular from 50 to 70, % by weight of a conventional particulate, partially crosslinked diene rubber or acrylate rubber, andC.

Abstract: Impact modified thermoplastic blends of components A, B and optionally C, consisting of:A) from 99 to 60 percent by weight of a polymeric rigid matrix consisting of polybutylene terephthalate or polyethylene terephthalateB) from 1 to 40 percent by weight of a polymeric flexibilizing component comprisingb1) 100-60 percent by weight of a monomer from the group of the 1,3-dienes which is present as copolymerized units andb2) 0-40 percent by weight of an aromatic vinyl compound present as copolymerized units andC) optionally customary additives in customary amounts, the polymers of flexibilizing component B having amino end groups, are used for producing moldings.

Abstract: Molding materials comprising a matrix of high impact polystyrene and rubber incorporated in the form of discrete particles contain not less than 50% by weight of polystyrene A and an effective amount of up to 50% by weight of a graft rubber B. The graft rubber B consists of from 40 to 95% by weight of an elastomeric core b.sub.1 and from 5 to 60% by weight of a shell b.sub.2, i.e. from 5 to 50% by weight of a first shell B.sub.21 of styrene and from 50 to 95% by weight of a second shell b.sub.22 of from 60 to 90% by weight of styrene and from 10 to 40% by weight of acrylonitrile, A and B, b.sub.1 and b.sub.2, b.sub.21 and b.sub.22 and styrene and acrylonitrile each summing to 100% by weight.

Abstract: Impact modified thermoplastic blends of components A, B and optionally C, consisting of:A) from 99 to 60 percent by weight of a polymeric rigid matrix consisting ofa1) 60-99.5 percent by weight of an aromatic vinyl compound present as copolymerized units,a2) 0.5-20 percent by weight of an unsaturated carboxylic anhydride present as copolymerized units anda3) 014 35 percent by weight of an alkenylnitrile present as copolymerized units,B) from 1 to 40 percent by weight of a polymeric flexibilizing component consisting ofb1) 100-60 percent by weight of a monomer from the group of the 1,4-dienes which is present as copolymerized units andb2) 0-40 percent by weight of an aromatic vinyl compound present as copolymerized units. and optionallyC) customary additives in customary amounts, the polymers of flexibilizing component B having amino end groups, are used for producing moldings.

Abstract: An impact resistance thermoplastic molding composition contains, each percentage being based on A+B, from 80 to 55% by weight of a hard matrix A of a copolymer containing at least 95% by weight of an aromatic vinyl monomer a.sub.11 of from 8 to 10 carbon atoms and at least one comonomer a.sub.12 in a proportion of 0.1 to 5% by weight, based on A, and from 45 to 20% by weight of a soft phase B which, uniformly dispersed in the hard matrix, has an average particle diameter d.sub.50 (volume average) of from 3.5 to 9 .mu.m and is obtainable by polymerization of the mixture of monomers a.sub.11 and a.sub.12 in the presence of an elastomer (rubber) and subsequent isolation of the useful product, wherein the comonomer a.sub.12 has the general formula I ##STR1## where X is --OR.sup.2, --COOR.sup.2 or --CONHR.sup.3,R.sup.1 is hydrogen or methyl andR.sup.2 and R.sup.3 are each alkyl of from 1 or 2 to 10 carbon atoms with at least one OH or epoxy group or at least one other polar group.

Abstract: Process for preparing impact-resistant translucent rubber-modified polystyrene by polymerizing compounds of the styrene class in the presence of a rubber containing thiol groups.

Abstract: A heat distortion resistant, transparent thermoplastic molding material contains a copolymer of the monomers(a) methyl methacrylate and(b) an N-substituted amide of methacrylic acid.The molding material contains from 5 to 95% by weight of monomer (a) and from 95 to 5% by weight of monomer or monomers (b), the percentages being based on (a)+(b), and furthermore, as monomer (b), and N-substituted amide of the formula ##STR1## where R is a primary, secondary or tertiary alkyl radical, cycloalkyl, aryl or aralkyl of 2 to 12 carbon atoms.The molding material is used for the production of heat distortion resistant moldings or laminates.

Abstract: Impact-resistant translucent rubber-modified polystyrene is produced by polymerizing compounds from the class of the styrenes in the presence of an elastomeric polymer which contains thiol groups.

Abstract: Impact resistant thermoplastic molding materials containing a styrene polymer modified with rubber to be impact resistant, a hydrogenated styrene containing block copolymer and a polyphenylene ether as well as optional additives in which 50 to 98 percent by weight of the particles of the flexible component of the impact resistant styrene polymer have an average particle diameter of equal to or less than 1.0 micron and 2 to 50 percent by weight of the particles of the flexible have an average particle diameter of equal to or greater than 2 microns.

Abstract: A thermoplastic molding material contains, in each case based on the molding material comprising A+B,A from 80 to 60% by weight of a hard matrix composed of polystyrene andB from 20 to 40% by weight of a soft phase which is obtainable by polymerization of styrene in the presence of a linear styrene/butadienne block copolymer which has an ill defined transition, contains from 35 to 45% by weight of styrene and from 65 to 55% by weight of butadiene and has a block polystyrene content of from 25 to 35% by weight, the soft phase being uniformly distributed in the hard matrix and having a particle diameter of less than 0.8 .mu.m.The typical features of the said molding material are that the median particle diameter d.sub.50 (volume average of the soft phase B is from 0.25 to 0.38 .mu.m, the width of the particle size distribution, (d.sub.95 14 d.sub.5), is from 0.2 to 0.6 .mu.m, the d.sub.60 value is from 0.26 to 0.40 .mu.m and the d.sub.90 value is from 0.40 to 0.75.

Abstract: Thermoplastic molding materials contain a blend of a polyphenylene ether with a copolymer which consists of monovinyl-aromatic monomers, alkyl methacrylates where alkyl is of not more than 8 carbon atoms and, if required, an elastomer component having a glass transition temperature of .ltoreq.0.degree. C.

Abstract: Polyphenylene ethers are prepared from monohydric phenols, which possess alkyl substituents in the two ortho-positions and, if desired, in the meta-position, but not in the para-position, by an oxidative coupling reaction with oxygen at from 15.degree. to 50.degree. C. and under from 1 to 10 bar in the presence of a catalyst complex, of a solvent and, if required, of an activator, by a method in which the conversion of the phenols is carried out in two more reaction zones, in which some or all of the solvent, the catalyst complex and the phenols and, where relevant, the activator is initially taken and is circulated by means of a conveying unit, and about 60-100% of the stoichiometric amount of oxygen required for the oxidative coupling is introduced into the first reaction zone and from 0 to about 40% of the said stoichiometric amount is introduced into the second reaction zone.

Abstract: The catalyst is removed in the preparation of high molecular weight polyphenylene ethers from monohydric phenols, which are alkyl-substituted at the two ortho-positions but not at the para-position and may or may not be alkyl-substituted at the meta-position, by an oxidative coupling reaction with oxygen at from 15.degree. to 50.degree. C.

Abstract: A halogen-free flameproofed thermoplastic molding material consists of a halogen-free thermoplastic resin (A) and one or more further halogen-free components.The thermoplastic resin (A) is present in an amount of from 30 to 90% by weight, based on the molding material. The latter contains, as further components, from 1 to 50% by weight of a phenol/aldehyde resin (B), from 1 to 50% by weight of a nitrogen-containing organic compound (C) and from 3 to 50% by weight of a phosphorus-containing organic compound (D), the percentages in each case being based on the molding material.The molding material is used for the production of flameproofed moldings.

Abstract: A halogen-free self-extinguishing thermoplastic composition comprising as the flame retardant, one or more phosphorus-containing compounds or elemental phosphorous, a polyphenylene ether, a styrene-acrylonitrile copolymer, a phenol/aldehyde resin, a terpolymer of styrene, acrylonitrile and a hydroxy-containing ester of acrylic or methacrylic acid on which a polyphenylene ether is grafted, and optionally, a diene elastomer having grafted thereon styrene and acrylonitrile monomers.

Abstract: High molecular weight polyphenylene ethers are prepared from monohydric phenols by an oxidative coupling reaction with oxygen in the presence of a solvent and of a catalyst complex consisting of a copper salt and an organic amine of the general formula ##STR1## where R.sup.1 is C.sub.2 -C.sub.20 -alkylidene, preferably C.sub.2 -C.sub.12 -alkylidene, or alkenylidene, R.sup.2 is H or C.sub.1 -C.sub.12 -alkyl, preferably C.sub.1 -C.sub.4 -alkyl, or C.sub.5 -C.sub.8 -cycloalkyl, each of which is unsubstituted or substituted by functional groups, and n is an integer from 1 to 4, preferably 1 or 2. Preferred functional groups are --OR.sup.3, --NHR.sup.3 or --SR.sup.3, in which R.sup.3 is H C.sub.1 -C.sub.12 -alkyl or C.sub.5 -C.sub.8 -cycloalkyl, and the most suitable amines are 3-tert.-butoxypropylamine, 4-tert.-butoxybutylamine, 3-tert.-butoxy-2-methylpropylamine, 3-tert.-butoxy-2,3-dimethylpropylamine, 3-tert.-butoxy-2-methyloctylamine and N-methyl-N-(4-tert.-butoxybutyl)-amine.

Abstract: A flameproofed thermoplastic molding material consists ofA. a thermoplastic resin containing a vinylaromatic monomerand furthermore containsB. from 0 to 100 parts by weight of an elastomer having a glass transition temperature Tg 0.degree. C., as an impact modifier,C. from 2 to 50 parts by weight of a halogen-containing organic compound (flameproofing agent),D. from 0.5 to 20 parts by weight of a compound containing a metal or non-metal (synergistic agent) andE. from 5 to 50 parts by weight of a novolak (phenol/aldehyde resin).The novolak is obtained from an aldehyde of the formula (I)R.sup.1 --CHO (I)where R.sup.1 is H, C.sub.1 -C.sub.10 -alkyl, cycloalkyl, C.sub.6 -C.sub.12 -aryl or .omega.-aryl-C.sub.1 -C.sub.3 -alkyl, and a mixture of phenols, and this mixture contains two or more monosubstituted phenols and the substituents can be alkyl of 1 to 8 carbon atoms or CN.The molding material is used for the production of flameproofed moldings.

Abstract: A thermoplastic molding material consists of from 10 to 90 parts by weight of a polycarbonate A and from 90 to 10 parts by weight of a graft copolymer B having a mean particle size of from 200 to 700 nm (d.sub.50 value of the integral mass distribution). The graft polymer B is formed from an elastomer (rubber) (b.sub.1), which accounts for from 10 to 80% by weight, and a grafted shell (b.sub.2), which accounts for from 90 to 20% by weight, the percentages in each case being based on (B).The elastomer (b.sub.1) is composed of from 50 to 99.9% by weight of an alkyl acrylate, where alkyl is of 1 to 8 carbon atoms, and from 0.1 to 5% by weight of a copolymerizable polyfunctional crosslinking monomer.The grafted shell (b.sub.2) is produced in three stages and contains, as graft monomers,(b.sub.2 a.sub.1) from 5 to 40% by weight of a monoethylenically unsaturated aromatic hydrocarbon of not more than 12 carbon atoms,in the first stage,(b.sub.2 a.sub.

Abstract: Thermoplastic molding materials contain a blend of a polyphenylene ether with a copolymer which consists of monovinyl-aromatic monomers, alkyl acrylates where alkyl is of not more than 8 carbon atoms and, if required, an elastomer component having a glass transition temperature of .ltoreq.0.degree. C.

Abstract: A thermoplastic molding material consists of a polycarbonate A and a graft copolymer B, the latter consisting of an elastomer (rubber) (b.sub.1) and a shell (b.sub.2) grafted onto the elastomer.The elastomer (b.sub.1) contains, as copolymerized units, from 35 to 100% by weight of a diene from the group consisting of the conjugated dienes of 4 to 5 carbon atoms, and can contain, as copolymerized units, from 0 to 65% by weight of a monomer from the group consisting of the alkyl acrylates or alkyl methacrylates, where alkyl is of 1 to 8 carbon atoms.The shell (b.sub.2) is obtained in a conventional manner by successive polymerization of the monomers constituting the shell, in two process steps, in the presence of the elastomer (b.sub.