Research on the Preparation of Low Water Zinc Borate

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Abstract:

Zinc Borate with low water is one of excellent inorganic flame retardant additives. Among Zinc Borate, ZB-2335 (2ZnO·3B2O3·3.5H2O) is widely used. The paper selects borax and Zinc sulfate as raw materials. Through orthogonal experiment and the single factor analysis experiment, the optimum technological conditions are determined: temperature is 338K, ZnSO4·7H2O and Na2B2O7·10H2O mixture ratio is 1:1.26, liquid and solid ratio is 6.5:1, reaction time is 6h. The product prepared under these conditions is in good agreement with theoretical value.

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650-654

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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