Synthesis of new lamellar inorganic-organic talc-like hybrids

被引:37
作者
Gallego, Jean-Christophe [1 ]
Jaber, Maguy [1 ]
Miehe-Brendle, Jocelyne [1 ]
Marichal, Claire [1 ]
机构
[1] Univ Haute Alsace, Ecole Natl Super Chim, CNRS,UMR 7016, Lab Mat Porosite Controlee, F-68093 Mulhouse, France
关键词
D O I
10.1039/b713004j
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
One-step sol-gel syntheses of lamellar organic-inorganic hybrids with a talc like structure are performed using N-phenylaminomethyltrimethoxysilane (PAM-TMS) and phenethyltrimethoxysilane (PE-TMS) as silicon sources. Results obtained by X-ray difraction and X-ray fluorescence show that after one day of ageing at room temperature, talc-like hybrids (TLH) are obtained. The FTIR spectra drive to the conclusion that the organic moieties are present in the structure. The integrity of these was con. irmed by C-13 solid-state CP MAS NMR. H-1-C-13 CP MAS NMR magnetization curves performed on both samples seem to indicate a lower mobility for the phenylaminomethyl pending group. Si-29 MAS NMR spectra show a majority of highly condensed silicon environments for PE-TLH whereas a signi. cant amount of low condensed species are detected for PAM-TLH. TEM micrographs reveal exfoliated layers for phenethyl based materials.
引用
收藏
页码:407 / 412
页数:6
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