Patent · US Expired

Impact improved polymers

US4026969A · kind A · utility

7Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 12, 1975
Grant dateMay 31, 1977
Priority date
Expiry dateNov 12, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F279/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Improved impact vinyl aromatic compositions are disclosed comprising interpolymers containing (A) from about two to about 25 parts by weight of a mixture of (1) a polybutadiene rubber with (2) a polyisoprene rubber in a weight ratio between 35:65 and 65:35; and (B) from about 98 to about 75 parts of at least one poly(monovinylaromatic) compound.

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