Patent · US Expired

Polybutadiene composition

US6815481B2 · kind B2 · utility

0Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 2001
Grant dateNov 9, 2004
Priority date
Expiry dateMay 2, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L55/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polybutadiene composition comprising a polybutadiene type polymer and a compound represented by the following formula (I): wherein Ar1 and Ar2 each independently represent an aromatic ring, X and Y each independently represent an alkylene group having one or two carbon atoms, an oxygen atom or a carbonyl group, is provided; and thermal degradation of the polybutadiene type polymer can be prevented even in an air-free environment.

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