Vulcanizable compositions based on elastomeric copolymers of...

Details Vulcanizable compositions based on elastomeric copolymers of... Vulcanizable compositions based on elastomeric copolymers of...

C - Chemistry, Metallurgy

08

L

402/1, 402/340,

C08L 27/16 (2006.01) C07F 9/535 (2006.01) C08J 3/24 (2006.01) C08K 5/00 (2006.01)

Patent

CA 1130498

ABSTRACT OF DISCLOSURE There are disclosed vulcanizable compositions of vinyli lene fluoride copolymer elastomers comprising, in addition to the elastomeric fluoride copolymer, an inorganic acid acceptor, a basic compound, a polyhydroxy or polythiol vulcanizing agent, and an aminophosphinic compound of the class of phosphoraneamine and phosphorimidic acid triamide. The presence of the aminophosphinic compound facilitates satisfactory vulcanization rates without scorching.The vulcanized fluorinated elastomers produced therefrom may be used as gaskets for sealing purposes and as protective layers in contact with corrosive chemical agent. They are particularly useful in appli- cations requiring strong adhesion to metallic surfaces even under severe temperature conditions.

317742

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