Controlling premature curing of vulcanizable...

Details Controlling premature curing of vulcanizable... Controlling premature curing of vulcanizable...

C - Chemistry, Metallurgy

08

K

C08K 5/47 (2006.01) C08K 5/00 (2006.01) C08K 5/06 (2006.01) C08K 5/46 (2006.01) C08L 15/02 (2006.01) C08L 23/28 (2006.01) C08L 23/34 (2006.01) C08L 71/03 (2006.01) C08L 101/04 (2006.01)

Patent

CA 2138004

A process of reducing the effects of moisture during storage prior to vulcanization of a vulcanizable halogen- containing polymer composition containing water, comprising blending before storage, into said vulcanizable composition, a thioester derivative of 2,5-dimercapto-1,3,4-thiadiazole crosslinking agent and polyethylene glycol, whereby the scorch time of the vulcanizable compound is not significantly affected by the water content of said composition. The invention is also directed to a vulcanizable halogen containing material and a dry pourable composition, both comprising the crosslinking agent and polyethylene glycol, as well as a process of reworking such a halogen-containing vulcanizable composition.

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