Please use this identifier to cite or link to this item: https://doi.org/10.1016/S1381-5148(00)00049-3
Title: Synthesis and characterization of a novel alcohol-soluble ladderlike polysilsesquioxane containing side-chain with amino terminal groups
Authors: Liu, C.
Liu, Y.
Xie, P.
Zhang, R.
He, C. 
Chung, N.T. 
Issue Date: Dec-2000
Citation: Liu, C., Liu, Y., Xie, P., Zhang, R., He, C., Chung, N.T. (2000-12). Synthesis and characterization of a novel alcohol-soluble ladderlike polysilsesquioxane containing side-chain with amino terminal groups. Reactive and Functional Polymers 46 (2) : 175-184. ScholarBank@NUS Repository. https://doi.org/10.1016/S1381-5148(00)00049-3
Abstract: A novel kind of alcohol-soluble ladderlike polysilsesquioxane having side-chain with amino terminal groups (NH2-T) was first prepared by reduction of nitro terminal groups on the side chains of ladderlike polynitrosilsesquioxane (NO2-T) with a nearly 100% conversion rate. The parent polymer NO2-T was synthesized by stepwise coupling polymerization. As starting monomer, 3-(4-nitrophenoxy)propyltrichlorosilane (M) was synthesized by hydrosilylation of the corresponding allylic derivative with trichlorosilane in the presence of dicyclopentadienylplatinum (II) chloride (Cp2PtCl2) catalyst in a high yield. A variety of characterization methods including FTIR, 1H NMR, 13C NMR, 29Si NMR, differential scanning calorimetry, thermogravimetric analysis, vapour pressure osmometry, and X-ray diffraction were combined to verify that NH2-T had ladderlike structure. The alcohol-soluble ladderlike NH2-T prepared has promising application in controlled release of catalysts and drugs, NLO materials, alignment layer in liquid crystal display, and as a precursor for further preparing advanced functional polymers and their supramolecular systems.
Source Title: Reactive and Functional Polymers
URI: http://scholarbank.nus.edu.sg/handle/10635/92380
ISSN: 13815148
DOI: 10.1016/S1381-5148(00)00049-3
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