Abstracts of annual meeting of The Clay Science Society of Japan
Online ISSN : 2433-0582
Print ISSN : 2433-0566
ISSN-L : 2433-0566
52th annual meeting of The Clay Science Society of Japan
Session ID : P24
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Host: The Clay Science Society of Japan

Preparation of self-standing LDH films by using water-swellable LDHs
*Nobuo Iyi, Takayoshi Sasaki
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Abstract
Recently, it became possible to delaminate LDHs, but in most cases, formamide (FA) is used. FA is non-volatile and hazardous to humans, so the exfoliation of LDH using water has been desired. However, only a few works have been published. We found that MgAl-LDH3 (Mg/Al = 3) hybrids containing acetate and propionate intercalants delaminated to yield colloidal suspensions via a gel state. Semi-transparent self-standing LDH films were successfully prepared by drying the colloidal suspension.
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© 2008 The Clay Science Society of Japan
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