Citation: ZHANG Xinsheng, SHI Lianghe, HUANG Chaoran. MORE ON THE STRUCTURES OF POLYPHENYLSILSESQUIOXANES[J]. Chinese Journal of Polymer Science, ;1987, 5(4): 353-358. shu

MORE ON THE STRUCTURES OF POLYPHENYLSILSESQUIOXANES

Received Date: 27 December 1986

The steric tacticity of polyphenylsilsesquioxanes is discussed based on both structure transformation consideration and the results of calculations, X-ray diffraction patterns, fluorescence emission spectroscopy, and scanning electron microscopy. All of the results show that cis-isotactic conformation is the most probable one for ladderlike polymer polyphenylsilsesquioxane though other conformations such as cissyndiotactic may also be present in the macromolecules depending upon the preparation conditions.
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