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Method for the addition of vulcanized waste rubber to virgin rubber products

Patent ·
OSTI ID:434162

The invention is a method of using enzymes from thiophyllic microbes for selectively breaking the sulfur rubber cross-link bonds in vulcanized rubber. The process is halted at the sulfoxide or sulfone step so that a devulcanized layer is reactive with virgin rubber. 8 figs.

Research Organization:
Battelle Memorial Institute
DOE Contract Number:
AC06-76RL01830
Assignee:
Battelle Memorial Inst., Richland, WA (United States)
Patent Number(s):
US 5,597,851/A/
Application Number:
PAN: 8-528,076
OSTI ID:
434162
Country of Publication:
United States
Language:
English