Citation: XIE Zusho, HE Ziqun, DAI Daorong, ZHANG Rongben. STUDY ON THE SYNTHESIS AND CHARACTERIZATION OF THE SOLUBLE, HIGH MOLECULAR WEIGHT AND LAD D ERLIKE PO LYMETH YLSILSESQ UIO XANE[J]. Chinese Journal of Polymer Science, ;1989, 7(2): 183-188. shu

STUDY ON THE SYNTHESIS AND CHARACTERIZATION OF THE SOLUBLE, HIGH MOLECULAR WEIGHT AND LAD D ERLIKE PO LYMETH YLSILSESQ UIO XANE

Received Date: 19 August 1988

new method for the preparation of a soluble ladderlike polymethylsilsesquioxane with high molecular weight ((MW)=105—106) and low molecular weight distribution (D=Mw/Mn) in common solvents instead of the formerly used toxic methylisobutylketone has been developed. The structure and macromolecular regularity were characterized by IR, X-ray diffraction, and 29Si-NMR spectroscopy. The thermal property was studied by TGA and DSC.
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