Patent · US Expired

Propylene polymer and process for obtaining it

US6020437A · kind A · utility

9Cited by
2References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 9, 1996
Grant dateFeb 1, 2000
Priority date
Expiry dateJul 9, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/0025
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Propylene polymer obtained by melt-blending of: PA1 100 parts by weight of polypropylene; PA1 from 0.01 to 10 parts by weight of a functional compound (a) comprising at least 2 acrylate groups; PA1 at least 0.005 part by weight of a sulphur-containing compound (b) chosen from thiuram sulphides; and PA1 from 0.01 to 5 parts by weight of a compound (c) capable of generating free radicals.

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