Sulfur vulcanized rubber compounds containing silica and aromati

Details Sulfur vulcanized rubber compounds containing silica and aromati Sulfur vulcanized rubber compounds containing silica and aromati

1991-10-10

1992-10-06

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524492, 525347, 525375, C08K 534, C08K 515

Patent

active

051532484

ABSTRACT:
The present invention relates to a sulfur vulcanized rubber composition containing a silica filler and a bismaleimide of the formula: ##STR1## wherein R and R.sup.1 are individually selected from the group of radicals consisting of hydrogen, an alkyl having 1 to 4 carbon atoms or a halogen; R.sup.2 is selected from the group of radicals consisting of 1 to 12 carbon atoms; and n has a value of from 0 to 4.
The bismaleimide functions as a coupling agent in the silica filled sulfur vulcanized rubber compound.

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