Alloy blends of polyurethane and rubber

Details Alloy blends of polyurethane and rubber Alloy blends of polyurethane and rubber

C - Chemistry, Metallurgy

08

K

C08K 3/34 (2006.01) A63B 39/00 (2006.01) A63B 41/02 (2006.01) B60C 1/00 (2006.01) B60C 5/02 (2006.01) C08L 21/00 (2006.01) C08L 75/04 (2006.01) C08L 7/00 (2006.01)

Patent

CA 2516644

The present invention relates to a rubber formulation suitable for making barrier articles, such as inflatable sports balls or bicycle tubes, that resist the passage of gases, such as air, particularly as applicable to tennis balls, and more particularly to the rubber formulation which contains substantially amorphous, millable polyurethane alloyed with natural and/or synthetic rubbers.

La présente invention concerne une préparation d'élastomère qui convient pour fabriquer des articles barrière, tels que des balles de sports non gonflables ou des boyaux de bicyclette, qui résistent au passage de gaz, tel que l'air, en particulier applicable aux balles de tennis. Cette invention concerne plus particulièrement la préparation d'élastomère qui contient un polyuréthanne sensiblement amorphe et qu'on peut travailler allié avec des élastomères naturels et/ou synthétiques.

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