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
1981-07-13
1982-12-28
Bleutge, John C.
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...
523204, 523205, 523216, 524475, 524555, C08L 900, C08K 336
Patent
active
043662854
ABSTRACT:
A process for producing an elastomer-filler mixture optionally containing an extender oil, comprising the combined precipitation of a homogeneous mixture of a synthetic elastomer latex, produced by emulsion polymerization in an anionic emulsifier system, and an aqueous suspension of a silicic acid based filler, using an acid and, optionally, an electrolyte or other flocculant; separation of the precipitated mixture; and drying of the mixture; is improved in that the filler suspension contains 0.1-5% by weight, based on the amount of filler, of a copolymer of acrylamide and dimethylaminoethyl methacrylate.
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Lukaschek Wolfgang
Marx Wolfgang
Bleutge John C.
Chemische Werke Huls A.G.
Lilling H.
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