Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1980-09-12
1981-08-11
Michl, Paul R.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 23H, 260 4214, 106308F, C08K 904
Patent
active
042833167
ABSTRACT:
A surface modified alumina hydrate composition compatible with thermoplastic resins when used as a flame retardant and smoke suppressing filler. Surface modification is accomplished by treating powdered alumina hydrate with about 0.2 to 5 percent by weight of a liquid mixture of C.sub.10 -C.sub.20 carboxylic acids having a titer below about 30.degree. C. and an iodine value of about 15 or less. In a preferred embodiment, the alumina hydrate has a particle size of less than about two microns, and the liquid mixture of acids comprises isostearic acid.
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Aluminum Company of America
Klepac Glenn E.
Michl Paul R.
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