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J. Korean Ceram. Soc. > Volume 21(1); 1984 > Article
Journal of the Korean Ceramic Society 1984;21(1): 67.
Intercalation 반응에 의한 Organo-montmorillonite의 합성 및 반응속도 연구
김창은, 최진호1, 형경우
연세대학교 공과대학 요업공학과
1서울대학교 자연과학대학 화학과
Synthesis of Organo-montmorillonite by Intercalation Reaction and its Kinetic Study
ABSTRACT
A stable intercalation complex was formed by adsorption of alcanol (ROH, R; $C_{10}H_2$, $C_{12}H_{25}$, $C_{14}H_{29}$) on the surfaces of Yongil bentonite in which the interlayer cation had been exchanged by n-decylammonium ion $(C_{10}H_{21}NH_3^+)$ The layer charge density calculated from the increaments of basal spacings was 0.34 per unit chemical formula. Thermochemical properties of synthesized $C_{10}H_{21}NH_3^+$ montmorillonite were studied by means of DSC, TGA, DTG, Thermal analysis showed two steps of desoption behavior of $C_{10}H_{21}NH_3^+$ ion namely nonyl $(CH_3(CH_2)_8$ decomposition reaction of 40$0^{circ}C$ and methyleneammonium decomposition reaction of 78$0^{circ}C$ The activation energy of nonyl decomposition reaction of $C_{10}H_{21}NH_3^+$ -montmorillonite respectively.
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