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
1991-04-08
1993-02-16
Michl, Paul R.
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...
524484, 524485, 524486, 525 98, 525 99, C08J 324, C08K 514, C08L 5300
Patent
active
051872242
ABSTRACT:
A blend which comprises a partially crosslinked product of a mixture of an oil-extended olefinic copolymer rubber comprising an olefinic copolymer rubber having a 100.degree. C. Mooney viscosity 150-350, a polyolefin resin, a selectively hydrogenated block copolymer, and a specific mineral oil type softening agent has excellent flexibility of less than 45 in Shore A hardness. The blend is not tacky, nor does the softening agent bleed. An anti-static agent for polyolefins and/or a higher fatty acid amide may be included in the composition.
REFERENCES:
patent: 31518 (1984-02-01), Fischer
patent: 3806558 (1974-04-01), Fischer
patent: 3830767 (1974-08-01), Condon
patent: 4006116 (1977-02-01), Dominguez
patent: 4687804 (1987-08-01), Shiraishi et al.
Tanka et al., Chemical Abstracts, Elastomers, vol. III, No. 2, 10 Jul., 1989, p. 71.
Database WPIL, No. 84-05631, Derwent Publications Ltd., London, GB: & JP-A-59 006236 (Mitsubishi Peroch Co., Ltd) Jan. 13, 1984.
Database WPIL, No. 87-141001, Derwent Publications Ltd., London GB: & JP-A-62 081 443 (Sumitomo Chem. Ind. Co., Ltd) Apr. 14, 1987.
Hamanaka Tatsuo
Hikasa Tadashi
Ibuki Koichiro
Michl Paul R.
Rajguru U. K.
Sumitomo Chemical Company Limited
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