Process for the production of an aluminum hydroxide Al(OH).sub.3 having rounded grain surfaces
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United States of America Patent
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Mar 19, 1996
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app pub date -
Jun 26, 1995
filing date -
Sep 23, 1992
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Abstract
A process for the production of an aluminum hydroxide with rounded grain surfaces. An alkaline solution of a specific composition derived from the Bayer process is inoculated and adsorptively precipitated with an aluminum hydroxide with a specific grain distribution. The aluminum hydroxide obtained according to the new process is especially suitable for the flameproof finishing of polyesters.
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