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
1982-09-27
1984-05-15
Jacobs, Lewis T.
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...
524600, 524606, 524608, C08K 334
Patent
active
044489218
ABSTRACT:
A rock wool composite material obtained by mixing a fine rock wool having a diameter of 1 to 10.mu. and a length of 70 to 500.mu. and containing substantially no shots with a pulp-like substance of a heat-resistant aromatic polymer having a freeness value of 150 seconds or more and less than 500 seconds, is excellent in heat resistance, incombustibility, heat insulation and electrical insulation and is advantageously used as a substitute for an asbestos sheet or board.
REFERENCES:
patent: 4187143 (1980-02-01), Sander et al.
Koike Takashi
Seino Shunji
Yamamoto Osamu
Yamaya Eisuke
Jacobs Lewis T.
Mitsubishi Paper Mills Ltd.
Nippon Aroma Co., Ltd.
Nitto Boske, Ltd.
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