Surface modification of alumina hydrate with liquid fatty acids

Details Surface modification of alumina hydrate with liquid fatty acids Surface modification of alumina hydrate with liquid fatty acids

C - Chemistry, Metallurgy

08

L

6/18, 400/4917,

C08L 23/02 (2006.01) C08J 3/20 (2006.01) C08K 3/22 (2006.01) C08K 9/04 (2006.01)

Patent

CA 1169173

Abstract of the Disclosure 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 liguid mixture of C10-C20 carboxylic acids having a titer below about 30°C a..d 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.

382319

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