活性组分含量对阳离子聚合C9石油树脂的影响

摘要

以纯组分模拟C9物系为原料,研究了C9馏分中的主要活性组分含量对阳离子聚合C9石油树脂性能的影响,并利用FT-IR对不同双环戊二烯含量下合成的C9石油树脂进行表征。结果显示,C9馏分中茚和双环戊二烯含量的增加均可提高树脂的软化点,但组分中的双环戊二烯参与聚合,会导致树脂中存在大量不稳定的不饱和双键,容易被热氧降解,进而严重影响色度。

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	吴利红
	李永红

关键词： C9石油树脂活性组分色度双环戊二烯阳离子聚合

Abstract：

The cationic polymerizations of pure components simulated C9 fraction were carried out in the presence of various active components in the polymerization systems. The effects of active components content on the properties of C9 petroleum resins were investigated. The C9 petroleum resins with different dicyclopentadiene content were characterized by FI-IR. The results showed that the increasing content of indene and dicyclopentadiene both improved the softening point. However, dicyclopentadiene took part in the copolymerization and introduced unsaturated double bonds into C9 resin. The thermo-oxidative degradation of unstable double bonds contributed to the color of petroleum resins.

Keywords： C9 petroleum resin； active components； color； dicyclopentadiene； cationic polymerization

Received 2014-05-30;

Fund:

教育部长江学者和创新团队发展计划(IRT0936)。

Corresponding Authors: 李永红,E-mail:yhli@tju.edu.cn。 Email: yhli@tju.edu.cn

About author: 吴利红 (1989-),女,硕士研究生,从事石油树脂的研究。

引用本文:

吴利红, 李永红.活性组分含量对阳离子聚合C9石油树脂的影响[J]. 化学工业与工程, 2016,33(2): 41-44

Wu Lihong, Li Yonghong.Influences of Active Components Content on Cationic Polymerization for C9 Petroleum Resin[J]. Chemcial Industry and Engineering, 2016,33(2): 41-44

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