Patent · US Expired

Free curing rubber composition

US3965055A · kind A · utility

62Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 14, 1974
Grant dateJun 22, 1976
Priority date
Expiry dateFeb 14, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L21/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A vulcanizable rubber is modified by the addition of a resin at a temperature above the melting point of said resin. Shaped articles are formed from the resulting blend and cured without restraining pressure at a temperature below the melting point of said resin. The resin portion is present in said articles in the form of particles having a cross sectional dimension (D) not greater than 1/2 micron and a length (L) to cross sectional dimension (D) ratio of 2 or greater.

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