Patent · US Expired

Soft elastomeric thermoplastic polyolefin compositions

US6696520B1 · kind B1 · utility

13Cited by
7References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 14, 1998
Grant dateFeb 24, 2004
Priority date
Expiry dateOct 14, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L53/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

An elastomeric thermoplastic polyolefin composition comprising (i) an heterophasic olefin polymer composition comprising a crystalline propylene homopolymer of copolymer fraction and an elastomeric ethylene copolymer fraction and (ii) an elastomeric polymer having a hardness equal to or less than 90 points selected from the group consisting of copolymers of ethylene, ethylene-methyl acrylate copolyers, saturated or unsaturated styrene block copolymers and unsaturated norbornene polymers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.