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
1986-02-25
1987-12-22
Marquis, Melvyn I.
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...
524506, 524860, 525101, 525104, 525105, 525106, 528 43, C08K 304
Patent
active
047147342
ABSTRACT:
Rubber compounds comprising a specific type of polyorganosiloxane of the following formula ##STR1## in which R and R' independently represent a hydrocarbon substituent and n is an integer of not smaller than 3 provided that at least 6 mole % of the substituents R and R' consists of a hydrocarbon group having Small's molecular attraction constant not smaller than 350. Carbon black is added to the polyorganosiloxane whereby various physical properties are improved including breaking strength, water and hot water resistances. The rubber compound may further comprise at least one organic rubber other than the above polyorganosiloxane.
REFERENCES:
patent: 4021415 (1977-05-01), Chang
patent: 4150010 (1979-04-01), Itoh et al.
patent: 4150013 (1979-04-01), Punderson
patent: 4500666 (1985-02-01), Wada
Funahashi Yuichi
Hashimoto Takatsugu
Maehara Akihiro
Matsumoto Hironori
Sugiura Kazuo
Bridgestone Corp.
Japan Synthetic Rubber Co. Ltd.
Marquis Melvyn I.
Toshiba Silicone Co. Ltd.
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