Patent · US Expired

Bis-(thiobenzoyldisulfido)-alkanes

US5442099A · kind A · utility

2Cited by

0References

1Claims

0Family size

Assignee

Huels Aktiengesellschaft · DE

Inventors

Juergen Wolpers · Haltern, DE
Karl-Heinz Nordsiek
Jaroslaw Monkiewicz · Rheinfelden (Baden), DE
Dieter Zerpner

Key dates

Filing date	Nov 16, 1993
Grant date	Aug 15, 1995
Priority date	—
Expiry date	Nov 16, 2013

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/38
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Polysulfide compounds and vulcanization compositions containing the polysulfide compounds, for use in vulcanizing rubbers, are disclosed, with the polysulfide compounds being of the formula ##STR1## wherein R.sup.1 -R.sup.4 are each, independently, hydrogen or C.sub.1 -C.sub.4 alkyl and n is 2 to 10 wherein the polysulfide compounds can be used alone or in a vulcanization composition containing the polysulfide compound, sulfur, one or more additional accelerators, one or more basic compounds and, optionally, conventional rubber additives, to provide vulcanized products with improved reversion stability and ageing stability.

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