Patent · US Expired

Method of preparing sulfur-modified polychloroprene

US4255539A · kind A · utility

6Cited by

7References

9Claims

0Family size

Assignee

Distugil · FR

Inventors

Paul Branlard · Val-de-Reuil, FR
Jean-Pierre Merle · Échirolles, FR

Key dates

Filing date	Oct 31, 1979
Grant date	Mar 10, 1981
Priority date	—
Expiry date	Oct 31, 1999

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F36/18
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Sulfur-modified polychloroprene in alkaline aqueous emulsion is prepared by incorporating one or more organic polysulfides which act as peptizing agents during the polymerization of the chloroprene. The sulfur-modified polychloroprenes obtained have stable viscosities.

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