Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1994-04-19
1997-02-04
Cain, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524496, 524571, 523213, 523333, C08K 300
Patent
active
055998682
ABSTRACT:
A process for compounding filler materials and polymers for the preparation of vulcanizable rubber compositions comprises the steps of combining at least one polymer and other compounding ingredients with a filler treated with a liquid in an amount of from about 10 to 60 percent by weight, based upon the combined weight of the liquid and the filler under conditions sufficient to uniformly distribute the filler to form a pre-blend; and mixing the pre-blend until the filler is suitably dispersed throughout the polymer. A vulcanizable rubber composition containing a filler prepared by combining at least one polymer and other compounding ingredients with a filler treated with a liquid in an amount of from about 10 to 60 percent by weight, based upon the combined weight of the liquid and the filler under conditions sufficient to uniformly distribute the filler to form a pre-blend; and mixing the pre-blend until the filler is suitably dispersed throughout the polymer.
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Bohm Georg G. A.
Cole William M.
Bridgestone Corporation
Cain Edward J.
Hall Daniel N.
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