Patent · US Expired

Phenolic scorch retarders

US5696190A · kind A · utility

5Cited by

3References

46Claims

0Family size

Assignee

Sartomer Company, Inc. · US

Inventors

Lester A. Brooks · Norwalk, US
C. Richard Costin · West Chester, US
Walter R. Nagel · West Chester, US

Key dates

Filing date	Jun 27, 1995
Grant date	Dec 9, 1997
Priority date	—
Expiry date	Jun 27, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F291/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Curable and cured elastomer compositions, and methods for the preparation thereof, in which vulcanization is retarded by incorporating the acid salts of certain methyl substituted aminoalkyl phenols into the compositions to be vulcanized. The compositions include an elastomer, a scorch retarding effective amount of a phenolic scorch retarder acid salt, and a cure effective amount of a free radical generating compound.

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