Carbon black coupler

Details Carbon black coupler Carbon black coupler

C - Chemistry, Metallurgy

08

K

C08K 13/02 (2006.01) C07C 323/00 (2006.01) C08K 3/00 (2006.01) C08K 5/00 (2006.01) C08K 5/372 (2006.01) C08K 9/04 (2006.01) C08L 21/00 (2006.01)

Patent

CA 2402714

A coupler is described for use in carbon black filled rubber compositions. The coupler includes an amine group and a thiol group or a polysulfidic linkage. The coupler improves the interaction of the carbon black with the rubber as measured by a decrease in the tan delta at 60 ~C while substantially maintaining the tan delta at 0 ~C.

L'invention porte sur un coupleur qu'on utilise dans des mélanges caoutchoutés remplis de noir de carbone. Le coupleur comprend un groupe amine et un groupe thiol ou une liaison polysulfidique. Le coupleur améliore l'interaction du noir de carbone et du caoutchouc, telle que mesurée par une dimunition de tangente delta à 60 ·C, tout en maintenant sensiblement tangente delta à 0 ·C.

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