Process for increasing the strength of the bond between...

Details Process for increasing the strength of the bond between... Process for increasing the strength of the bond between...

C - Chemistry, Metallurgy

08

J

18/949

C08J 5/10 (2006.01) C08K 5/00 (2006.01) C08K 5/45 (2006.01)

Patent

CA 1182615

PROCESS FOR INCREASING THE STRENGTH OF THE BOND BETWEEN RUBBER AND METALS Abstract of he Disclosure 1. A process for increasing the strength of the bond between rubber and metal by the addition of a bond-increasing compound, optionally a formaldehyde releasing compound and optionally a resorcinol compound to the rubber, followed by vulcanization, characterised in that a compound corresponding to formula (1) or formula (2): (1) Image (2) is added as bond-increasing compound to the rubber in quantities of 0.1 to 20 parts by weight per 100 parts by weight of rubber, the groups in the formulae having the following meaning: - 2 - R1 to R11 may denote hydrogen, hydroxyl, C1-C18-alkyl, C5-C12-cycloalkyl, C1-C16-alkylthio, C6-C14-aryl, C6-C14- aryl-C1-C4-alkyl, C1-C18-alkoxy, C5-C12-cycloalkoxy, C6-C14-aryloxy, C6-C14-aryl-C1-C4-alyloxy and halogen , and X may denote C1-C4-alkylene, sulfur, dithio, oxygen or N-C1-C4-alkyl.

393764

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