Thermoplastic molding material with a matt effect

US5475055A · kind A · utility

Assignee

• BASF SE

Inventors

• Andreas Deckers · Flomborn, DE
• Norbert Guentherberg · Speyer, DE
• Rainer Bueschl · Bad Dürkheim, DE
• Ekkehard Jahns · Weinheim, DE

Key dates

• Filing date: Oct 24, 1994
• Grant date: Dec 12, 1995
• Expiry date: Oct 24, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L33/12
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A thermoplastic molding material containing, based on the sum of its constituents A, B and C, PA1 A: 70 to 99% by weight of a thermoplastic resin A comprising, based on A, PA1 A1: 50 to 100% by weight of a hard matrix A1 comprising, based on A1, PA2 A11: 50 to 95% by weight of units of an aromatic vinyl compound or methyl methacrylate or their mixtures (A11) and PA2 A12: 5 to 50% by weight of units of acrylonitrile A12; PA1 A2: up to 50% by weight of a rubber-elastic particulate graft copolymer A2 comprising, based on A2, PA2 A21: 30 to 80% by weight of at least one elastomeric graft base A21 having a median particle size of from 30 to 1000 nm comprising, based on A21, PA3 A211: 50 to 100% by weight of units of a 1,3-diene or a C.sub.4 -C.sub.8 alkyl acrylate forming rubber-elastic polymers (A211), PA3 A212: up to 50% by weight of units of at least one vinyl monomer A212; and PA2 A22: 15 to 85% by weight of a graft shell A22 comprising, based on A22, PA3 A221: 50 to 90% by weight of units of an aromatic vinyl monomer A221 and PA3 A222: 10 to 50% by weight of units of acrylonitrile A222; PA1 B: 0.5 to 15% by weight of a nitrile rubber B comprising, based on B, PA1 B1: 10 to 40% by w…