Patent · US Expired

Method of producing modified polypropylene

US5059658A · kind A · utility

10Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 1990
Grant dateOct 22, 1991
Priority date
Expiry dateApr 3, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F255/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A method of producing a modified polypropylene comprising the step of graft-polymerizing a propylene random copolymer containing an unconjugated diene comonomer represented by the general formula: ##STR1## wherein R.sub.1 -R.sub.4 are H or an alkyl group having 1-6 carbon atoms, and n is an integer of 1-20, with a monomer having an unsaturated bond by a radical method.

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