Patent · US Expired

Synergistic peroxide cures for high vinyl rubbers

US3939133A · kind A · utility

10Cited by
4References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 10, 1974
Grant dateFeb 17, 1976
Priority date
Expiry dateMay 10, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/14
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

High vinyl polybutadiene having an increased cure rate and superior properties comprises a peroxide curing agent selected from the class consisting of dicumyl peroxide, t-butyl perbenzoate, bis(t-butylperoxy) diisopropyl benzene, and n-butyl 4,4-bis(t-butylperoxy) valerate in combination with a peroxide selected from the class consisting of benzoyl peroxide, bis(4-t-butylcyclohexyl) peroxydicarbonate, t-butyl peroctoate, 2,5-dimethyl-2,5-bis(t-butylperoxy)-hexane, 2,5-dimethyl-2,5-bis(t-butylperoxy)-hexyne-3, and t-butyl hydroperoxide.

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