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
1988-11-30
1990-02-20
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...
524518, 524528, 524530, 525193, 525194, C08F25500, C08K 501, C08L 2310
Patent
active
049027387
ABSTRACT:
A thermoplastic elastomer composition which is excellent in melt-flowability and is able to afford injection molded articles superior in appearance is provided, which is a mixture comprising (A) 20-50 parts by weight of an olefinic copolymer rubber, (B) 50-80 parts by weight of an olefinic plastic having a ratio of melt index M.sub.1 /M.sub.0 of 2-50 wherein M.sub.0 is a melt index of the plastic before subjected to thermal decomposition with organic peroxide and M.sub.1 is a melt index of the plastic after subjected to the thermal decomposition with the organic peroxide, sum of (A) and (B) being 100 parts by weight, (C) 5-25 parts by weight of a mineral oil and (D) 0.1-3 parts by weight of a bismaleimide compound, said mixture being dynamically heat treated with (E) an organic peroxide after bismaleimide compound (D) is homogeneously dispersed in the mixture.
REFERENCES:
patent: 3641215 (1972-02-01), Osamoto et al.
patent: 4247652 (1981-01-01), Matsuda
European Search Report for EP 87 30 9515.
Chemical Abstracts, vol. 99, No. 14, Oct. 3, 1983, p. 65, Abstract No. 106639z.
Daimon Akio
Hosoda Satoru
Mitsuno Tatsuyuki
Shinonaga Hideo
Bleutge John C.
Buttner David
Sumitomo Chemical Company Limited
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