C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/1104, 400/53
C08K 5/20 (2006.01) C08L 7/00 (2006.01) C08L 9/00 (2006.01) C08L 21/00 (2006.01)
Patent
CA 1206664
ABSTRACT OF THE DISCLOSURE A rubber composition comprising (1) 100 parts by weight of at least one organic rubber selected from natural rubber and organic synthetic rubbers or 100 parts by weight of a rubber mixture of 98 to 80% by weight of said organic rubber and 2 to 20% by weight of a silicone raw rubber having a molecular weight of 100,000 to 1,000,000 and (2) 0.5 to 50 parts by weight of at least one hon-tackiness-imparting agent selected from (a) fatty acid amides, (b) fatty acid glycerides and (c) polyhydric alcohols, polyhydric thioalcohols and monoalkyl ethers thereof represented by the general formula (HX)n-R-XR' where X is an oxygen or a sulfur atom, R is an alkylene group which may contain an ether or a thioether linkage, R ' is a hydrogen atom or an alkyl group of 1 to 12 carbon atoms and n is an integer of 1 or 2. The vulcanizate of said rubber composition is non-tacky and suitable for use as a surface layer of conveyor belts for carrying highly tacky substances such as oil sand.
428110
Bando Chemical Industries Ltd.
Fetherstonhaugh & Co.
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