Alumina composite, method for manufacturing alumina composite, and polymer composition containing alumina composite

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United States of America Patent

PATENT NO 9281095
APP PUB NO 20130338292A1
SERIAL NO

14003793

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Abstract

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For the purpose of producing an alumina composite in which the integrity between alumina and an inorganic material is further improved, a dispersion liquid preparation step, a solidification step and a burning step are performed, wherein the dispersion liquid preparation step comprises preparing a dispersion liquid in which an inorganic material such as a carbon material is homogeneously dispersed in an alumina raw material solution having an organic additive dissolved therein, the solidification step comprises drying the dispersion liquid to produce a solid raw material, and burning step comprises burning the solid raw material in a non-acidic atmosphere while contacting hydrogen chloride with the solid raw material. In this manner, an alumina composite can be produced, in which at least a portion of an inorganic material such as a carbon material is embedded in the inside of each of α-alumina single crystal particles the constitute alumina particles.

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Patent Owner(s)

Patent OwnerAddress
TAIMEI CHEMICALS CO LTD3685-2 MINAMIMINOWA-MURA KAMIINA-GUN NAGANO 3994597

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujita, Takayuki Nagano, JP 71 635
Odaka, Atsushi Nagano, JP 2 23

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