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
1983-12-28
1985-03-12
Ivy, C. Warren
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...
524863, 524588, 524837, 10628712, C08K 322, C08L 8306
Patent
active
045046212
ABSTRACT:
A silicone elastomer obtained by drying an aqueous silicone elastomeric emulsion containing an anionically stabilized hydroxyl endblocked polydiorganosiloxane, colloidal silica, alkyl tin salt, and clay exhibits weight loss and embrittlement on exposure to elevated temperature. It has been found that the rate of weight loss can be reduced by the addition of greater than 2 parts by weight of finely divided zinc oxide per 100 parts of polydiorganosiloxane by weight to the emulsion.
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Dow Corning Corporation
Elliott Edward C.
Ivy C. Warren
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