Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1995-09-11
1997-01-14
Szekely, Peter A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
152209R, 524419, C08K 546, C08K 330
Patent
active
055940528
ABSTRACT:
A method is disclosed for increasing the rate of vulcanization of a sulfur rubber composition comprising heating a sulfur vulcanizable rubber composition to a temperature ranging from 100.degree. C. to 200.degree. C., said rubber composition, containing a sulfur vulcanizable rubber, a sulfenamide compound and a hydrated thiosulfate. Addition of the hydrated thiosulfate to a sulfur vulcanizable rubber and a sulfenamide compound significantly increases the rate of vulcanization of the rubber.
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Yu. N. Nikitin, Vulcanization of Nitrile Rubber by Sulfides and Thiosulfates of Alkali and Alkaline Earth Metals, International Polymer Science and Technology, vol. 2, No. 6 (1975).
Ephraim, Fritz, Inorganic Chemistry, pp. 579-585 (1954).
D'Sidocky Richard M.
Futamura Shingo
Hendricks Bruce J.
Szekely Peter A.
The Goodyear Tire & Rubber Company
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