2,6-dimethylphenylmaleimide as a comonomer for styrene copolymers and vinyl chloride copolymers

US5629397A · kind A · utility

Assignee

• DSM Chemie Linz GmbH · AT

Inventors

• Gerhard Steinbauer · Ansfelden, AT
• Jan Bartus · Merrimack, US
• Heinrich Horacek · Puchenau, AT
• Otto Vogl · Amherst, US
• Gerhard Stern · Linz, AT

Key dates

• Filing date: Feb 14, 1996
• Grant date: May 13, 1997
• Expiry date: Feb 14, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F222/402
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

2,6-dimethylphenylmaleimide is used as a comonomer for the preparation of styrene copolymers and vinyl chloride copolymers having an increased glass transition temperature and low intrinsic coloration compared with the prior art.