ABS molding composition having improved crack and chemical resistance and its use

US11021602B2 · kind B2 · utility

Assignee

• INEOS STYROLUTION GROUP GMBH · DE

Inventors

• Janna MICHAELIS DE VASCONCELLOS · Scheven, DE
• Norbert Niessner · Friedelsheim, DE
• Kwanhee Lee · Seoul, KR
• Gisbert Michels · Leverkusen, DE

Key dates

• Filing date: Apr 18, 2017
• Grant date: Jun 1, 2021
• Expiry date: Apr 18, 2037

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F25D23/066
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Thermoplastic molding composition scan be advantageously used in hydrofluoro olefin containing areas, comprising components A, B, C and, D: 10 to 35 wt.-% ABS graft rubber A obtained by emulsion polymerization, 50 to 75 wt.-% SAN copolymer B, 4 to 20 wt.-% copolymer C from ethylene and C1-C6-alkyl(meth)acrylate, and 4 to 20 wt.-% ABS graft rubber copolymer D obtained by mass polymerization.