Patent · US Expired

Gel-containing rubber mixtures with inorganic peroxides

US6579945B2 · kind B2 · utility

10Cited by

12References

10Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Werner Obrecht · Moers, DE
Anthony Sumner · Recklinghausen, DE

Key dates

Filing date	Nov 9, 2001
Grant date	Jun 17, 2003
Priority date	—
Expiry date	Nov 9, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K3/22
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

The invention provides rubber mixtures of at least one double bond-containing rubber, rubber gels and additives of inorganic peroxides and also optionally further fillers and rubber auxiliary substances.Rubber mixtures according to the present invention are characterized in the uncrosslinked state by good processability (compound viscosity ML 1+4/100° C.<60 ME) and in the vulcanized state by improved mechanical properties in particular with regard to the product of the modulus at 100% extension and the elongation at break (S100×D) and also by improved tensile strengths. In addition, vulcanizates prepared from rubber mixtures according to the present invention have a relatively low density, which has an advantageous effect on the weight of the rubber molded items prepared from the rubber mixtures.The vulcanizates are suitable for producing industrial rubber articles and for tire components.

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