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
1992-03-19
1993-01-19
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...
524574, 524582, 525198, C08L 900
Patent
active
051807696
ABSTRACT:
An olefinic thermoplastic elastomer composition which is excellent in mechanical properties and is substitutable for vulcanized rubbers is provided, which comprises a mixture comprising (A) 40-95% by weight of an oil-extended olefinic copolymer rubber comprising 100 parts by weight of an olefinic copolymer rubber having a Mooney viscosity (ML.sub.1+4 100.degree. C.) of 150-350 and 20-150 parts byw eight of a mineral oil and (B) 5-60% by weight of an olefinic plastic, said mixture being partially crosslinked by dynamic heat treatment in the presence of an organic peroxide. This composition gives superior molded articles free from bleeding of oil on the surface.
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Hamanaka Tatsuo
Hikasa Tadashi
Ibuki Koichiro
Mizumori Motoo
Bleutge John C.
Sumitomo Chemical Company Limited
Sweet Mark
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