Patent · US Active

Polypropylene composition for automotive interior applications

US10450451B2 · kind B2 · utility

25Cited by
60References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 18, 2015
Grant dateOct 22, 2019
Priority date
Expiry dateNov 16, 2035

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2207/062
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polypropylene composition comprising a heterophasic propylene copolymer and a mineral filler, wherein said heterophasic propylene copolymer has a melting temperature in the range of 140 to 155° C., a xylene cold soluble content in the range of 20 to 35 wt.-% and a comonomer content of the xylene cold soluble fraction in the range of 18 to 95 wt.-%, wherein further the weight ratio between heterophasic propylene copolymer and the mineral filler is in the range of 2/1 to 4/1.

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