发明授权
US4152494A Flame resistant, heat insulative foamed polyphenylenes 失效
耐火,绝热泡沫聚苯烯

Flame resistant, heat insulative foamed polyphenylenes
摘要:
A low density, flame-resistant foamed composition is formed by heating a thorough mixture of branched polyphenylene and an inorganic fiber to above about 800.degree. F.
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