Sulfur vulcanized rubber compounds containing maleamic acid

Details Sulfur vulcanized rubber compounds containing maleamic acid Sulfur vulcanized rubber compounds containing maleamic acid

1993-05-20

1994-07-12

Kight, III, John

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253318, 5253326, 525354, 528322, C08F26510, C08G 7310

Patent

active

053289633

ABSTRACT:
The present invention relates to a sulfur vulcanized rubber composition containing 0.1 to 10.0 phr of an oligomeric maleimide of the formula: ##STR1## or a maleamic acid of the formula: ##STR2## 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; X has a value of from 1 to 146 and n has a value of from 0 to 4.
The presence of the maleimide oligomer or maleamic acid improve cord adhesion to the sulfur vulcanized rubber compound.

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