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
1981-06-23
1982-05-04
Lilling, Herbert J.
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...
525146, 525148, 525154, 525199, 515210, 515211, 515214, 515231, 515232, 515233, 515235, 515239, 515240, 515241, 260726, 524502, 524512, 524518, 524520, 524521, 524526, 524525, 428401, C08L 6900, C08K 304, C08L 700, C08L 900
Patent
active
043281338
ABSTRACT:
Organic micro-fiber reinforced rubber compositions having high elastic modulus, excellent crack growth resistance, impact cut resistance and rebound resilience and a small swell value are prepared by incorporating 10-100 parts by weight of carbon black, 3-30 parts by weight of organic micro-fibers based on 100 parts by weight of at least one rubber selected from a group consisting of natural rubber, synthetic polyisoprene rubber, butyl rubber, halogenated butyl rubber, polybutadiene rubber, styrene-butadiene copolymeric rubber, ethylene-propylene-diene ternary copolymeric rubber and acrylonitrile-butadiene copolymeric rubber, said micro-organic staple fibers being lower than 30.degree. C. or higher than 120.degree. C. in glass transition temperature of amorphous portion and higher than 160.degree. C. in melting point of crystal portion, and having an average length of the micro-fibers of 0.8-30 .mu.m, an average diameter of the micro-fibers of 0.02-0.8 .mu.m and a ratio of the average length of the micro-fibers to the average diameter of the micro-fibers of 8-400.
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Derwent Abst. 85123B/47 (J54132645) 10-15-79 Bridgestone Tire "Rubber Compsn for Tyres . . . ".
Hirata Yasushi
Ikegami Mikihiko
Ogawa Masaki
Bridgestone Tire Company Limited
Lilling Herbert J.
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