Studies on Synthesis Conditions of Maximum Aluminum X(MAX)

Abstract

Abstract: Low-silica X, especially Maximum Aluminum X(so called for its lowest molar ratio SiO₂ to Al₂O₃ are promising for their prospects of application.We synthesized MAXand studied its synthesis conditions.The results showed that the most appropriate ageing temperature was 70 ℃ and ageing time was 6 h.Ageing temperature not only played an important role in shortening the overall time of the synthesis, but also determined the purity of products by influencing the types of nuclei formed during the induction period.Pure MAX could be obtained only within a rather narrow range of composition.The experiments showed that the mother liquid was easily reusable as alkaline source which made the manufacture of MAX more economic and environment-friendly.

Key words: Low-silica X, Maximum aluminum X, Ageing, Nuclei

CLC Number:

O612

TrendMD:

JIANG Hua, TANG Wei, ZHAO Bi-Ying, XIE You-Chang. Studies on Synthesis Conditions of Maximum Aluminum X(MAX)[J]. Chem. J. Chinese Universities, 2002, 23(5): 772.

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Studies on Synthesis Conditions of Maximum Aluminum X(MAX)

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