A STUDY OF THE SEQUENCE DISTRIBUTION OF POLY (TIN METHACRYLATE)S BY 13C-NMR

Chinese Journal of Magnetic Resonance ›› 1987, Vol. 4 ›› Issue (2): 131-135.

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A STUDY OF THE SEQUENCE DISTRIBUTION OF POLY (TIN METHACRYLATE)S BY ¹³C-NMR

Chen Qingmin, Yan Xiaohu, Xu Zhongde, Han Zhewean, Wang Yuanshen

Nanjing University

Received:1986-10-12 Revised:1986-11-24 Published:1987-06-05 Online:2018-01-22

Abstract

Abstract: The ¹³C-NMR spectra of poly (trimethyl tin methacrylate), (PTMTM), poly (triethyl tin methacrylate), (PTETM),and poly (tri-n-butyl tin methacrylate), (PTBTM), polymerized with radical initator in the solution were measured. Resoluion of the C-2 peaks was made by computer. The quantitative results indicated that the sequence distribution of the polymers was syndiotactic-rich or slightly syndiotactic-rich. This syndiotacticity decreases with increase in volume of substitute, which could be influenced by the steric effect and the intra-or intermolecular coordination bond.

Key words: Pold(tin methacrylate)s, ¹³C-NMR, Tacticity

Chen Qingmin, Yan Xiaohu, Xu Zhongde, Han Zhewean, Wang Yuanshen. A STUDY OF THE SEQUENCE DISTRIBUTION OF POLY (TIN METHACRYLATE)S BY ¹³C-NMR[J]. Chinese Journal of Magnetic Resonance, 1987, 4(2): 131-135.

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A STUDY OF THE SEQUENCE DISTRIBUTION OF POLY (TIN METHACRYLATE)S BY ¹³C-NMR

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