Polypropylene resin compositions

US7235191B2 · kind B2 · utility

Assignee

• Ciba Specialty Chemicals Corporation · US

Inventors

• Hans-Werner Schmidt · Bayreuth, DE
• Paul D. Smith · Redondo Beach, US
• Markus Blomenhofer · Bayreuth, DE

Key dates

• Filing date: Nov 27, 2001
• Grant date: Jun 26, 2007
• Expiry date: Feb 14, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L101/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A polypropylene composition containing the components: a) a crystallizable polypropylene homopolymer, random copolymer, alternating or segmented copolymer, block copolymer or a blend of polypropylene with another synthetic polymer, and b) 0.001 to 5% relative to the weight of component (a), of a specific trimesic acid derivative.