Patent · US Expired

Functional group containing cyclic diolefin butyl rubbers

US4228254A · kind A · utility

6Cited by
8References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 7, 1978
Grant dateOct 14, 1980
Priority date
Expiry dateAug 7, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F8/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Isobutylene-based elastomers containing 3-15 mol percent enchained cyclic diolefin such as cyclopentadiene, and other comonomers such as isoprene, piperylene and butadiene to allow for chemical modification with anhydride, carboxy, hydroxy, etc. to produce a one package through cure system.

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