Bayer Aktiengesellschaft

Lothar Liebig

Frank Wingler

Karl-Heinz Ott

Gert Humme

Christian Lindner

Alfred Pischtschan

Gerd Wassmuth

Dieter Margotte

Werner Nouvertne

Adolf Schmidt

Martin Ullrich

Clemens Casper

Otto Koch

Richard Prinz

Manfred Hederich

Joachim Doering

Thermoplastic, high-impact moulding compositions of (A) 5 to 80 parts by weight of a graft product of 70 to 30% by weight of a mixture of an aromatic vinyl compound and acrylonitrile and/or methacrylonitrile on 30 to 70% by weight of a rubber having a glass transition temperature of below -10.degree. as the graft base and (B) 20 to 95 parts by weight of a terpolymer of styrene and/or .alpha.-methylstyrene, p-methylstyrene and acrylonitrile and/or methacrylonitrile, the terpolymer having been produced by mass polymerization.

Thermoplastic moulding compositions

Stable, free-flowing dispersions in organic liquids of rubbers in the form of discrete particles having an average diameter of from 100 to 3000 nm which contains:

Rubber dispersions II

Stable, free-flowing dispersions in organic liquids of rubbers in the form of discrete particles having an average diameter of from 100 to 3,000 nm which contain: A--as rubber, from 1 to 20% by weight, based on the total dispersion, of a crosslinked diene rubber or a crosslinked, rubber-like acrylate polymer; B--from 0 to 15% by weight, based on the total dispersion, of water in the form of a water-in-oil emulsion; C--as the continuous organic phase, from 99 to 45% by weight, based on the total dispersion, of a mixture of from 95 to 60% by weight of a liquid aliphatic hydrocarbon having up to 20 carbon atoms; or C.sub.6 -C.sub.12 aromatic hydrocarbon or a halogen derivative thereof and from 5 to 40% by weight of a C.sub.1 -C.sub.12 alkanol, a ketone containing up to 8 carbon atoms, a formamide or a nitrile containing up to 6 carbon atoms, and a process for their manufacture.

Rubber dispersions

A thermoplastic moulding composition comprising:

This invention relates to a process for producing a homopolymer or co-polymer of an aromatic vinyl monomer by anionically polymerizing a monomer mixture in the absence of oxygen in a tubular coil evaporator.

Process for the anionic homo- or co-polymerization of aromatic vinyl

A process for the production of thermoplastically processible moulding materials based on vinyl polymers of high chemical and molecular uniformity and having residual monomer contents of less than 0.1 mol % which comprises the steps of:

Process for the production of thermoplastic molding materials based on

A thermoplastic moulding composition comprising a polymer mixture of (A) 25 to 95% by weight of a graft polymer of 70 to 30% by weight of a mixture of styrene (95 to 50% by weight) and acrylonitrile (5 to 50% by weight) on 30 to 70% by weight of polybutadiene or a butadiene-styrene copolymer, and (B) 5 to 75% by weight of a terpolymer containing 10 to 30 parts by weight of acrylonitrile, 7.5 to 15 parts by weight of maleic acid anhydride, and 82.5 to 55 parts by weight of styrene in copolymerized form.

Thermoplastic molding compositions

A thermoplastic molding composition having improved flow, toughness. and heat distortion comprising a polymer mixture of (A) 25 to 95% by weight of a graft polymer of 70 to 30% by weight of a mixture of styrene (95 to 50% by weight) and acrylonitrile (5 to 50% by weight) on 30 to 70% by weight of an EPDM-rubber, and (B) 50 to 75% by weight of a terpolymer of acrylonitrile, maleic acid anhydride and styrene, the terpolymer containing 10 to 30 parts by weight of acrylonitrile, 7.5 to 15 parts by weight of maleic acid anhydride, and 82.5 to 55 parts by weight of styrene in copolymerised form.

Growing community of inventors

Leverkusen, Germany

Lothar Liebig