Method for treatment of vulcanized rubber

Details Method for treatment of vulcanized rubber Method for treatment of vulcanized rubber

C - Chemistry, Metallurgy

08

C

C08C 19/00 (2006.01) C08J 11/04 (2006.01) C08J 11/16 (2006.01) C08J 11/26 (2006.01)

Patent

CA 2346022

According to the present invention there is provided a method for the treatment of vulcanized rubber comprising the steps of: providing a solution of sulfur in a fatty acid or ester or a salt thereof; blending the solution with particulate vulcanized rubber; and heating the blend for a time period and at a sufficient temperature and pressure to substantially devulcanize the rubber.

Procédé de traitement de caoutchouc vulcanisé, qui consiste à préparer une solution de soufre dans un acide gras ou ester ou sel dudit acide, à mélanger la solution avec du caoutchouc vulcanisé particulaire et à chauffer le mélange pendant un laps de temps et à une température et une pression suffisantes pour dévulcaniser le caoutchouc.

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