C - Chemistry – Metallurgy – 08 – C
Patent
C - Chemistry, Metallurgy
08
C
402/333, 402/7.3
C08C 19/24 (2006.01) C08K 5/5399 (2006.01) C08L 11/00 (2006.01)
Patent
CA 1090042
ABSTRACT OF THE DISCLOSURE A process for the vulcanisation of polychloroprene rubbers which comprises heating the uncured rubber in the presence of a mixture of zinc oxide, magnesium oxide and a compound of the formula Image (1) in which each R independently represents methyl or ethyl. The compounds exhibit a superior balance of the following technical properties: good accelerator activity at curing temperatures good scorch safety process temperatures high level of specific desirable qualities in the vulcanised elastomer.
260477
Ashton Stanley
Leyland Boris N.
Sharma Vijay R.
Taylor John A.
Drouin Guy
Imperial Chemical Industries Limited
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