Shiny, impact-resistant polystyrol which is resistant to tension cracks

US7094834B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Daniel Wagner · Bad Dürkheim, DE
• Peter Weinkötz · Mannheim, DE
• Herbert Morgenstern · Ludwigshafen am Rhein, DE
• Hans-Jürgen Renner · Schifferstadt, DE

Key dates

• Filing date: Jul 16, 2002
• Grant date: Aug 22, 2006
• Expiry date: Jul 16, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31917
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A process for increasing the stress-cracking resistance of polystyrene molding compositions, stress-cracking-resistant, glossy polystyrene molding compositions, composite layered sheets or composite layered films with an outer layer of this type, and also processes for producing moldings for refrigeration equipment.