Anhydrous metal salts of .alpha., .beta.-ethylenically...

Details Anhydrous metal salts of .alpha., .beta.-ethylenically... Anhydrous metal salts of .alpha., .beta.-ethylenically...

C - Chemistry, Metallurgy

07

C

400/1100, 6/142,

C07C 57/04 (2006.01) C07C 51/41 (2006.01) C08K 5/098 (2006.01) C08L 7/00 (2006.01) C08L 21/00 (2006.01)

Patent

CA 2040504

A reinforcing agent for vulcanizable rubber compounds comprises an anhydrous metal salt of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid having a crystalline structure consisting essentially of plates and fibers. Vulcanizable rubber compounds containing such reinforcing agents have improved physical properties over rubber compounds containing conventional metal carboxylic acid salts. Methods for the preparation of such anhydrous metal salts and methods for the reinforcement of vulcanizable rubber compounds therewith are also provided.

Un agent de renforcement pour les composés de caoutchouc vulcanisables comprend un sel de métal anhydre d'un acide carboxylique alpha,bêta-éthyléniquement insaturé ayant une structure cristalline constituée essentiellement de plaques et de fibres. Les composés de caoutchouc vulcanisables contenant ces agents de renforcement possèdent des propriétés physiques améliorées par rapport aux composés de caoutchouc contenant les sels métalliques d'acide carboxylique usuels. Des méthodes pour la préparation de ces sels de métal anhydre ainsi que des méthodes de renforcement des composés de caoutchouc vulcanisables faisant appel à ces sels sont également offertes.

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