C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1121, 400/90
C08L 21/00 (2006.01) C08J 3/24 (2006.01) C08K 3/04 (2006.01) C08K 3/34 (2006.01) C08K 5/32 (2006.01)
Patent
CA 1335520
Rubber filled with an inorganic whity filler such as white carbon is improved in its vulcanized rubber properties such as tensile strength, tear strength and heat build-up resistance by incorporating thereto a dinitrodiamine compound represented by the formula of Image wherein X is a divalent aliphatic, alicyclic or aromatic group which may contain halogen or oxygen in the group, R1 is hydrogen, an aliphatic group, an alicyclic group or an aromatic group, with the proviso that two nitrogen atoms linked through X may further be linked through R1 when both X and R1 are the aliphatic groups, and R2 and R3 independently of one another are each hydrogen or an alkyl of 1 to 12 carbon atoms, with the proviso that R2 and R3 may conjointly form a ring. The dinitrodiamine compound acts as a coupling agent for the rubber and the inorganic whity filler.
600353
Inui Naoki
Kurimoto Isao
Yamaguchi Tetsuo
Fetherstonhaugh & Co.
Sumitomo Chemical Co. Ltd.
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