Transparent impact-resistant molding material

US4393164A · kind A · utility

Assignee

• BASF SE

Inventors

• Graham E. McKee · Ludwigshafen, DE
• Franz Haaf · Bad Dürkheim, DE
• Juergen Hambrecht · Heidelberg, DE
• Klaus Benker · Neustadt, DE
• Rudolf Stephan · Ludwigshafen, DE
• Hans-Werner Breuer · Balsthal, CH

Key dates

• Filing date: Mar 26, 1982
• Grant date: Jul 12, 1983
• Expiry date: Mar 26, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L51/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Transparent, impact-resistant thermoplastic molding materials produced from a rigid methylmethacrylate polymer A, a rigid styrene-acrylonitrile polymer B and a flexible graft copolymer C, made from grafting an alkylmethacrylate and optionally styrene onto a rubber grafting base.