Patent · US Expired

Process for modifying polypropylene with maleic anhydride

US6437049B1 · kind B1 · utility

6Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 2001
Grant dateAug 20, 2002
Priority date
Expiry dateFeb 27, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L77/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Process for the preparation of modified polypropylene which can be used as compatibilizing agent, consisting in reacting the polymer with maleic anhydride in the presence of dilaurylperoxide and in the absence of a solvent.

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