C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/333, 402/340
C08F 8/34 (2006.01) A61B 19/00 (2006.01) C08C 19/02 (2006.01) C08L 15/00 (2006.01)
Patent
CA 1227597
SULFUR VULCANIZABLE POLYMER COMPOSITIONS Abstract of the Disclosure Sulfur vulcanizable polymer compositions are provided comprising (i) a conjugated diene-unsaturated nitrile copolymer, the carbon-carbon double bond unsaturation of which has been selectively hydrogenated such that the remaining unsaturation is from less than about 1 to about 0.05 mole per cent of the copolymer and (ii) a sulfur vulcanization system. The vulcanizates of the polymer compositions exhibit a good combination of resistance to oils, ozone and elevated temperature aging under oxidizing conditions.
417261
Polysar Limited
Smart & Biggar
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