Patent Number: 6,166,139

Title: Paintable, surface-damage resistant compounded grade thermoplastic olefin (TPO)

Abstract: A painted thermoplastic olefin (TPO) comprising a blend of elastomer and polypropylene. The polypropylene has a number average molecular weight of about 35,000 to about 70,000 and a polypropylene percent crystallinity of about 45 to about 70%. The elastomer has a number average molecular weight of about 20,000 to about 60,000 and an elastomer crystallinity of about 14 to about 60%. The TPO has a polypropylene to elastomer viscosity ratio of about 0.2:1 to about 30:1.

Inventors: Ryntz; Rose Ann (Clinton Township, MI)

Assignee: Visteon Global Technologies, Inc.

International Classification: C08L 23/00 (20060101); C08L 23/12 (20060101); C08L 23/16 (20060101); C08F 008/00 (); C08L 020/12 ()

Expiration Date: 12/26/2017