Method for the treatment of mineral extender fillers
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United States of America Patent
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Jun 9, 1987
Grant Date -
N/A
app pub date -
Sep 23, 1985
filing date -
Sep 23, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention provides a method for the treatment of mineral extender fillers. The mineral extender filler is treated essentially simultaneously with a halogenated organosilane and a compound containing an active hydrogen, preferably ammonia. The reaction is conducted at atmospheric pressure and at a temperature at which the halogenated organosilane is gaseous, but preferably no higher than 250.degree. C. This method is fast, efficient and economical.
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