Rubber modified asphalt cement compositions and methods

Details Rubber modified asphalt cement compositions and methods Rubber modified asphalt cement compositions and methods

C - Chemistry, Metallurgy

08

L

C08L 95/00 (2006.01) C08K 5/42 (2006.01) C08L 21/00 (2006.01)

Patent

CA 2657885

Rubber modified asphalts and their methods of manufacture. One or more sulfonic acids is/are added to a mixture of asphalt and rubber particles, or to an existing rubber modified asphalt composition. Heat and/or mixing may be applied during or after addition of the sulfonic acid(s).

L'invention concerne des asphaltes modifiés par du caoutchouc et leurs procédés de fabrication. Un ou plusieurs acides sulfoniques sont ajoutés à un mélange d'asphalte et de particules de caoutchouc ou à une composition d'asphalte existante modifiée par du caoutchouc. De la chaleur et/ou une opération de mélange peuvent être appliqués pendant ou après l'addition du ou des acides sulfoniques.

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