Process for preparation of granular .mu.-sulfur having improved

Details Process for preparation of granular .mu.-sulfur having improved Process for preparation of granular .mu.-sulfur having improved

1992-11-03

1994-03-01

Henderson, Christopher

Chemistry: physical processes

Physical processes

C01B 1700

Patent

active

052903214

ABSTRACT:
An organic solvent alone or together with a rubber process oil is added to a powder of .mu.-sulfur, the mixture is granulated, and the granulation product is heated at a temperature lower than 120.degree. C. to evaporate the organic solvent, whereby granular .mu.-sulfur having an improved flowability is obtained. This granular .mu.-sulfur is valuable as a rubber-vulcanizing agent.

REFERENCES:
patent: 1771293 (1930-07-01), Gluud
patent: 2022796 (1935-12-01), Wieder
patent: 2195870 (1940-04-01), Rosen
patent: 3042503 (1962-07-01), Tuller
patent: 4326875 (1982-04-01), Young

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