C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 9/00 (2006.01) C08K 3/36 (2006.01) C08K 5/54 (2006.01) C08K 5/544 (2006.01) C08K 5/548 (2006.01)
Patent
CA 2201441
The present invention relates to the use in a silica-filled rubber composition of an aminosilane compound of the formula (see fig. I) wherein R1, R2 and R3 are independently selected from the group consisting of alkoxy radicals having from 1 to 8 carbon atoms, alkyl radicals having 1 to 8 carbon atoms and aryl radicals having 6 carbon atoms, with the proviso that at least one of R1, R2 and R3 is an alkoxy radical; R4 is selected from the group consisting of alkylene groups having from 1 to 18 carbon atoms and arylene and alkyl substituted arylene groups having from 6 to 10 carbon atoms; R5 is selected from the group consisting of hydrogen and alkyl groups having from 1 to 15 carbon atoms.
La présente invention concerne l'utilisation d'une composition caoutchouteuse à charge de silice d'un aminosilane de formule (voir fig. I) où R1, R2 et R3 sont indépendamment choisis parmi le groupe constitué de radicaux alcoxy de 1 à 8 atomes de carbone, de radicaux alkyle de 1 à 8 atomes de carbone et de radicaux aryle de 6 atomes de carbone, à la condition qu'au moins un parmi R1, R2 et R3 soit un radical alcoxy; R4 est choisi parmi le groupe constitué des groupes alcénylène de 1 à 18 atomes de carbone et des groupes arylène et arylène substitué par un groupe alkyle de 6 à 10 atomes de carbone; R5 est choisi parmi le groupe constitué de l'hydrogène et des groupes alkyle de 1 à 15 atomes de carbone.
Cohen Martin Paul
Losey Cheryl Ann
Parker Dane Kenton
Smart & Biggar
The Goodyear Tire & Rubber Company
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