STUDIES ON EXCIMER FORMATION OF POLYETHERSULPH- ONE IN CH_2C1_2 SOLUTION BY FLUORESCENCE SPECTRA

WU Zhong-wen; ZHANG Li-fang; MA Rong-jiu

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STUDIES ON EXCIMER FORMATION OF POLYETHERSULPH- ONE IN CH_2C1_2 SOLUTION BY FLUORESCENCE SPECTRA

Research Article | 更新时间：2021-03-19

- STUDIES ON EXCIMER FORMATION OF POLYETHERSULPH- ONE IN CH_2C1_2 SOLUTION BY FLUORESCENCE SPECTRA
- Acta Polymerica Sinica Issue 6, Pages: 447-450(1988)
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- Published：20 December 1988，
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WU Zhong-wen, ZHANG Li-fang, MA Rong-jiu. STUDIES ON EXCIMER FORMATION OF POLYETHERSULPH- ONE IN CH_2C1_2 SOLUTION BY FLUORESCENCE SPECTRA. [J]. Acta Polymerica Sinica (6):447-450(1988)
DOI：

WU Zhong-wen, ZHANG Li-fang, MA Rong-jiu. STUDIES ON EXCIMER FORMATION OF POLYETHERSULPH- ONE IN CH_2C1_2 SOLUTION BY FLUORESCENCE SPECTRA. [J]. Acta Polymerica Sinica (6):447-450(1988) DOI：

摘要

本文研究了劳环在主链上的刚性高分子聚醚砜在二氯甲烷溶液中的荧光光谱.结果表明在适当的浓度下它也能形成分子间激基缔合物.

Abstract

In termolecular excimer formation of polyethersulphone (PES) with rigid chain in CH2Cl2 was studied in detail by fluorescence emission spectra. The mechanism of intermole-cular excimer formation was also discussed. The results obtained are:1.The intramolecular excimer of PES in CH2Cl2 can not be formed in normal case because it is rigid chain polymer with aromatic ring on its main chain.2.In very dilute CH2Cl2 solution of PES (below 4.4×10-4M)

both of the intermole-cular and intramolecular excimers can not be formed. 3. The intermolecular excimer of PES in CH2Cl2 can be formed when its concentration reach more than 4.4×10-4M.

关键词

聚醚砜激基缔合物荧光

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