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
1993-10-26
1995-04-18
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...
524525, 524571, 524574, C08K 501
Patent
active
054079918
ABSTRACT:
The invention provides an olefinic thermoplastic elastomer composition which is excellent in flexibility, processability into sheet and appearance of the resulting sheet and which is able to substitute for flexible polyvinyl chloride. The invention further provides a covering material for industrial parts comprising said composition and a laminate comprising said covering material.
The composition comprises a partially crosslinked thermoplastic elastomer I containing an oil-extended olefinic copolymer rubber comprising an olefinic copolymer rubber having a Mooney viscosity of 200-350 or the thermoplastic elastomer I and a partially crosslinked thermoplastic elastomer II containing an oil-extended olefinic copolymer rubber comprising an olefinic copolymer rubber having a Mooney viscosity of 120 or higher and lower than 200 and the composition has a specific viscoelastic characteristics.
REFERENCES:
patent: 3306558 (1974-04-01), Fischer
patent: 4247652 (1981-01-01), Matsuda et al.
patent: 4801651 (1989-01-01), Komatsu et al.
patent: 5118253 (1992-06-01), Hikasa et al.
patent: 5118753 (1992-06-01), Hikasa et al.
Hikasa Tadashi
Hosoda Satoru
Kanda Yuji
Mitsui Kiyoshi
Yamashita Koji
Cain Edward
Michl Paul R.
Sumitomo Chemical Co,. Ltd.
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