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

XIE Zusho; HE Ziqun; DAI Daorong; ZHANG Rongben

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

Papers | Updated：2021-06-21

- STUDY ON THE SYNTHESIS AND CHARACTERIZATION OF THE SOLUBLE, HIGH MOLECULAR WEIGHT AND LAD D ERLIKE PO LYMETH YLSILSESQ UIO XANE
- Vol. 7, Issue 2, Pages: 183-188(1989)
- Affiliations：
  
  1. Institute of Chemistry, Academia Sinica,Beijing
  2. Academia Sinica
  3. Beijing
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XIE Zusho, HE Ziqun, DAI Daorong, et al. STUDY ON THE SYNTHESIS AND CHARACTERIZATION OF THE SOLUBLE, HIGH MOLECULAR WEIGHT AND LAD D ERLIKE PO LYMETH YLSILSESQ UIO XANE. [J]. 7(2):183-188(1989)
DOI：

XIE Zusho, HE Ziqun, DAI Daorong, et al. STUDY ON THE SYNTHESIS AND CHARACTERIZATION OF THE SOLUBLE, HIGH MOLECULAR WEIGHT AND LAD D ERLIKE PO LYMETH YLSILSESQ UIO XANE. [J]. 7(2):183-188(1989) DOI：

摘要

<,正,>, A new method for the preparation of a soluble ladderlike polymethylsilsesquioxane with high molecular weight （（?）=10,5,—10,6,） 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 ,29,Si-NMR spectroscopy. The thermal property was studied by TGA and DSC.

Abstract

A new method for the preparation of a soluble ladderlike polymethylsilsesquioxane with high molecular weight （（?）=10,5,—10,6,） 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,29,Si-NMR spectroscopy. The thermal property was studied by TGA and DSC.

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