Ageing-resistant thermoplastic moulding materials of good impact strength

US4812515A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Hans-Jurgen Kress · Krefeld, DE
• Christian Lindner · Bensheim, DE
• Wolfgang Grape · Cologne, DE
• Horst Peters · Leverkusen, DE
• Jochen Schoeps · Krefeld, DE
• Dieter Wittmann · Leverkusen, DE

Key dates

• Filing date: Sep 16, 1987
• Grant date: Mar 14, 1989
• Expiry date: Sep 16, 2007

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S525/902
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Silicone rubbers in the form of crosslinked, particulate particles can be used as a grafting base for the preparation of thermoplastic moulding materials having good low-temperature impact strength and resistance to weathering-ageing, after they are provided with an intermediate shell of crosslinked acrylate rubber.