Abstract: Molding materials comprisingA) polymers of propylene and up to 20% by weight of further monomers, containingB) from 0.05 to 0.4% by weight of a monofunctional or polyfunctional carboxamide or of a carboxamide mixture having a molecular weight of from 150 to 600 andc) from 0.1 to 3.0% by weight of an ethylene polymer with up to 20% by weight of comonomers, having a density of from 0.890 to 0.945 g/cm.sup.3 and an MFI of from 10 to 100 g/10 min, measured according to ISO 1133 at 190.degree.C./2.16 kg.The films and moldings produced using the novel molding materials have particularly good frictional properties.

Abstract: A packaging film containsa) a sealing layer of a mixture of from 50 to 80% by weight of a random terpolymer (I) of from 90 to 97% by weight of propylene, from 2 to 6% by weight of ethylene and from 1 to 6% by weight of a C.sub.4 -C.sub.10 -alk-1-ene and from 20 to 50% by weight of at least one ethylene polymer (II)b) and a substrate layer of a thermoplastic polymer.The novel packaging film possesses in particular good sealability over a wide temperature range.

Abstract: A partially crosslinked polymer composition comprisinga) a polymer comprising from 25 to 95% by weight of polypropylene and from 5 to 75% by weight of a propylene copolymer with copolymerized C.sub.2 -C.sub.10 -alk-1-enes, the comonomer content being from 1 to 45% by weight, based on the total polymer,b) a random ethylene copolymer containing from 5 to 20% by weight of copolymerized C.sub.3 -C.sub.10 -alk-1-enes and having a density at room temperature of from 0.89 to 0.925 g/cm.sup.3, andc) an organosilane compound of the formula (I)A.sub.4-n SiR.sub.n (I)where A are identical or different acrylates or methacrylates or vinyl groups, R are identical or different C.sub.1 -C.sub.8 -alkoxy or C.sub.1 -C.sub.8 -acetoxy groups, and n is 1, 2 or 3,can be obtained by reacting a polymer mixture of the polymer a) and the random ethylene copolymer b) with the organosilane compound c) in the presence of a free-radical initiator and in the presence of a condensation catalyst at from 180.degree. to 280.degree. C.

Abstract: A partially crosslinked polymer composition having a melt flow index of from 0.1 to 50 g/10 min at 230.degree. C. under a weight of 2.16 kg and comprisinga) a polymer comprising from 25 to 95% by weight of polypropylene and 5 to 75% by weight of a propylene copolymer with copolymerized C.sub.2 -C.sub.10 -alk-1-enes, the comonomer content being from 1 to 45% by weight, based on the total polymer,b) an organosilane compound of the formula (I)A.sub.4-n SiR.sub.n (i)where A are identical or different acrylates or methacrylates or vinyl groups, R are identical or different C.sub.1 -C.sub.8 -alkoxy or C.sub.1 -C.sub.8 -acetoxy groups, and n is 1, 2 or 3, obtainable by reacting the polymer a) with the organosilane compound b) in the presence of a free-radical initiator and in the presence of a condensation catalyst at from 180.degree. to 280.degree. C., and at from 1 to 100 bar and at a mean residence time of the reaction mixture of from 0.

Abstract: A shock-absorbing propylene polymer composite molding containsa. a layer with a thickness of from 0.5 to 10 mm which contains a propylene polymer having a melting point of from 130.degree. to 165.degree. C.,b. an intermediate layer with a thickness of from 0.05 to 0.5 mm comprising a hot-melt adhesive based on an olefin copolymer having a melting point of from 90.degree. to 140.degree. C.,c. a foam layer with a thickness of from 3 to 200 mm and a density of from 0.015 to 0.1 g/cm.sup.3 based on a propylene copolymer having a melting point of from 125.degree. to 155.degree. C.,d. an intermediate layer with a thickness of from 0.05 to 0.5 mm comprising a hot-melt adhesive based on an olefin copolymer having a melting point of from 90.degree. to 140.degree. C.,e. a layer with a thickness of from 0.5 to 10 mm which contains a propylene polymer having a melting point of from 130.degree. to 165.degree. C.

Abstract: Thermoplastic molding materials containA) not less than 5% by weight of a polymer component consisting of from 50 to 100% by weight of polyphenylene ethers and from 0 to 50% by weight of a styrene polymer differing from component C),B) not less than 5% by weight of a polyester,C) not less than 0.1% by weight of a copolymer consisting ofC.sub.1) not less than 20% by weight of .alpha.-olefins of 2 to 8 carbon atoms, styrene or substituted styrenes of the general formula I ##STR1## where R and R.sup.1 is alkyl of 1 to 8 carbon atoms, hydrogen and/or halogen and n is 0, 1 or 2, or a mixture of these monomers,C.sub.2) not less than 0.5% by weight of a polymerizable monomer containing epoxide groups, and/orC.sub.3) not less than 0.05% by weight of a halobenzyl-containing polymerizable monomer having the structural unit (II) ##STR2## where X is halogen and R.sup.2 and R.sup.3 are each alkyl of 1 to 8 carbon atoms or hydrogen and n is 1, 2 or 3, and/orC.sub.4) not less than 0.

Abstract: Polypropylene/polyamide molding compositions, suitable in particular for producing moldings, advantageously consist of, in each case based on 100 parts by weight of the molding composition,A) from 10 to 89.5 parts by weight of one or more polypropylene homopolymers and/or copolymers,B) from 10 to 89.5 parts by weight of one or more polyamides,C) from 0.

Abstract: Novel polypropylene-polyamide molding compositions which comprise, based on 100 parts by weight of the molding compositions,A) 10 to 89.9 parts by weight of one or more polypropylene homopolymer and/or copolymer,B) 10 to 89.9 parts by weight of one or more polyamide,C) 0.1 to 5.0 parts by weight of one or more olefinically unsaturated carboxylic acid and/or one or more olefinically unsaturated carboxylic acid derivate,D) 0 to 3.0 parts by weight of an impact modifier, andE) 0 to 60.0 parts by weight of a reinforcing agent and/or additive,are prepared by melting together components (A), (C) and, if desired (D) at from 200.degree. to 300.degree. C. in a first reaction step and then, in a second reaction step, introducing component (B) and, if appropriate, components (D) and/or (E) into the modified melt obtained, and melting together the components.The molding compositions obtained are used for the production of moldings.

Abstract: A recyclable bumper system based on polypropylene comprises a bumper support A of glass fiber reinforced polypropylene, an energy-absorbing foam core B of foamed polypropylene and a tough shell C of EP-rubber modified polypropylene which may be coated, and can be recycled by mechanical comminution, extrusion and granulation, resulting in granules from which injection moldings having good mechanical properties can be produced.

Abstract: Thermoplastic molding materials containa) from 20 to 80 parts by weight of a polyphenylene ether,b) from 1 to 20 parts by weight of a block copolymer of the general formula A--B--A' consisting of two polyvinylaromatic blocks A and A' and a partially hydrogenated rubber block B,c) from 0 to 70 parts by weight of a polyvinylaromatic andd) from 0 to 40 parts by weight of conventional additives, the sum of a) to d) being 100 parts by weight, wherethe mean molecular weights of A and A' differ by a factor of from 2 to 20,the shorter block A has a mean molecular weight of from 2,000 to 4,000 andthe blocks A and A' together account for from 35 to 50% by weight of b).

Abstract: Thermoplastic molding materials contain, as essential components,A) from 5 to 94% by weight of a polyamide,B) from 5 to 94% by weight of a polyphenylene ether,C) from 1 to 20% by weight of a partially hydrogenated PQP' block copolymer, where.alpha.) the blocks P and P' consist of vinylaromatic monomers and the total amount of these blocks in the block copolymer is from 25 to 40% by weight,.beta.) the number average molecular weight of block P is not more than 8,000 and is smaller than the number average molecular weight of block P',.gamma.) block Q consists of conjugated diene monomers and accounts in total for from 60 to 75% by weight of the block copolymer and.delta.) from 5 to 30% by weight of the double bonds in block Q are not hydrogenated, andD) from 0 to 50% by weight of a vinylaromatic polymer.

Abstract: Thermoplastic molding materials contain, as essential components,A) 5-92% by weight of a polyphenylene ether which can contain up to 50% by weight of a styrene polymer which differs from C),B) 5-92% by weight of a nylon,C) 3-50% by weight of a copolymer composed of C.sub.1) 97-99.9% by weight of styrene and/or substituted styrenes of the general formula I ##STR1## where R is hydrogen, alkyl of 1 to 8 carbon atoms or halogen, R.sup.1 is alkyl of 1 to 8 carbon atoms or halogen and n is 0, 1, 2 or 3,C.sub.2) 0.1-3% by weight of an .alpha.,.beta.-unsaturated dicarbonyl compound andC.sub.3) 0-10% by weight of further, nonionic comonomers, andD) 0-35% by weight of a rubber impact modifier.

Abstract: Thermoplastic molding compositions based on thermoplastic polyesters (a.sub.1), graft polymers incorporating acrylate rubbers as grafting base (a.sub.2) and a two-shell graft sheath, copolymers of aromatic vinyl monomers and acrylonitrile or methacrylonitrile (a.sub.3) and glass fibers (B) have a balanced range of properties.

Abstract: Thermoplastic molding materials contain(A) from 5 to 95% by weight of a nylon and(B) from 5 to 95% by weight of a copolymer composed of(B.sub.1) from 50 to 99.9% by weight of a styrene of the general formula I ##STR1## where R.sup.1 is alkyl or 1 to 4 carbon atoms or hydrogen, R.sup.2 is alkyl of 1 to 6 carbon atoms or halogen and m is 0, 1, 2 or 3,(B.sub.2) from 0.1 to 30% by weight of a monomer containing epoxide groups (II) ##STR2## or of a monomer containing lactam groups (III) ##STR3## or of a monomer containing halobenzyl groups (IV) ##STR4## where R.sup.3 is a divalent, branched or straight-chain alkyl group of 2 to 15 carbon atoms, R.sup.4 is alkyl of not more than 6 carbon atoms, X is halogen, n is 1, 2 or 3 and r is 0, 1, 2 or 3, and(B.sub.3) from 0 to 48% by weight of further comonomers.

Abstract: Thermoplastic molding materials contain(A) not less than 5% by weight of a polymer component consisting of from 50 to 10 % by weight by polyphenylene ethers and from 0 to 50% by weight of a styrene polymer differing from component (C),(B) not less than 5% by weight of a polyester,(C) not less than 0.1% by weight of a copolymer consisting of(C.sub.1) not less than 20% by weight of .alpha.-olefins of 2 to 8 carbon atoms, styrene or substituted styrenes of the general formula I ##STR1## where R and R.sup.1 is alkyl of 1 to 8 carbon atoms, hydrogen and/or halogen and n is 0, 1 or 2, or a mixture of these monomers,(C.sub.2) not less than 0.5% by weight of a polymerizable monomer containing epoxide groups,and/or(C.sub.3) not less than 0.05% by weight of a halobenzyl-containing polymerizable monomer having the structural unit (II) ##STR2## where X is halogen and R.sup.2 and R.sup.3 are each alkyl of 1 to 8 carbon atoms or hydrogen and n is 1, 2 or 3,and/or(C.sub.4) not less than 0.

Abstract: A sheetlike, thermoplastically moldable preshape is produced by extruding a liquid-crystalline polymer by dividing the melt into two or more separate streams, then conferring different directions of orientation on the polymer in these separate streams, recombining the separate streams and extruding the recombined melt stream.

Abstract: Thermoplastic molding materials containing(A) not less than 5% by weight of a polyphenylene ether and(B) not less than 5% by weight of a nylon furthermore contain(C) not less than 0.1% by weight of a copolymer composed of(C.sub.1) not less than 30% by weight of a styrene of the general formula I ##STR1## where R and R.sup.1 are alkyl of 1 to 8 carbon atoms, hydrogen and/or halogen and n is 0, 1, 2 or 3,(C.sub.2) not less than 0.5% by weight of an epoxide-containing polymerizable monomer and/or(C.sub.3) not less than 0.05% by weight of a halobenzyl-containing polymerizable monomer possessing a structural unit (II) ##STR2## where X is halogen, R.sup.2 and R.sup.3 are each alkyl of 1 to 8 carbon atoms or hydrogen and n is 1, 2 or 3, and/or(C.sub.4) not less than 0.05% by weight of a polymerizable monomer containing oxazoline groups and(C.sub.

Abstract: Reinforced thermoplastic molding materials containing, as essential components,(A) from 40 to 94 parts by weight of a polymer component of(a.sub.1) from 10 to 90% by weight of polyphenylene ether and(a.sub.2) from 10 to 90% by weight, based in each case on A, of a styrene polymer toughened with an acrylate rubber or with an unhydrogenated or hydrogenated polymer of a conjugated diene,(B) from 1 to 20 parts by weight of a copolymer of(b.sub.1) from 70 to 99.9% by weight of a monomer from the group consisting of styrene, .alpha.-methylstyrene and styrene alkylated in the nucleus or a mixture of these monomers,(b.sub.2) from 0.1 to 30% by weight of one or more compounds from the group consisting of tert-butyl acrylate and tert-butyl methacrylate, or one or more compounds from the group of compounds of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl and R.sup.2, R.sup.3 and R.sup.

Abstract: Thermoplastic molding materials based on polyphenylene ethers and nylons are prepared in an extruder by a continuous process in which a modified polyphenylene ether is prepared in a first zone of the extruder and is then mixed with nylons and, if required, further additives in one or more further zones.

Abstract: Thermoplastic molding composition based on thermoplastic polyesters (a.sub.1), graft polymers incorporating acrylate rubbers as grafting base (a.sub.2), copolymers of aromatic vinyl monomers and acrylonitrile or methacrylonitrile (a.sub.3) and glass fibers (B) have particularly good mechanical properties if the (meth)acrylonitrile content in component (a.sub.3), based on the total weight of (a.sub.3), is less than the (meth)acrylonitrile content of component (a.sub.22).