Cured novolak fiber-reinforced, chlorinated rubber molded articles having excellent flame-proofness, and process for the preparation thereof
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United States of America Patent
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Feb 23, 1982
Grant Date -
N/A
app pub date -
Jul 2, 1979
filing date -
Jul 2, 1979
priority date (Note) -
Expired
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Abstract
This invention relates to a cured novolak fiber-reinforced, chlorinated rubber molded article having excellent flameproofness, the main components of which are (A) fibers or a fibrous structure containing at least 50 weight % of cured novolak fibers and (B) a rubber composition consisting mainly of chlorinated rubber as a rubber component, the content of said fibers or fibrous structure being 2-80% by weight; and a process for the preparation of said article comprising adhering an organic solvent solution or dispersion of the rubber composition (B) to the fibers or the fibrous structure (A) or impregnating the fibers or fibrous structure with said solution or dispersion, or mixing the fibers with the rubber composition (B), and without any further processing, or during or after the pressing or molding, vulcanizing said chlorinated rubber composition at a temperature of 100.degree.-200.degree. C.
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