Cationic Polymerization of α Pinene Initiated by AlCl 3/SbCl 3 at Ambient Temperature

Lu Jiang; Li Yu; Zhang Renjun; Deng Yunxiang

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Cationic Polymerization of α Pinene Initiated by AlCl 3/SbCl 3 at Ambient Temperature

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- Cationic Polymerization of α Pinene Initiated by AlCl 3/SbCl 3 at Ambient Temperature
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 35, Issue 5, Pages: 56-59(1996)
- 作者机构：
  
  中山大学化学系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1996，
  
  Published Online：25 September 1996，
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Lu Jiang, Li Yu, Zhang Renjun, et al. Cationic Polymerization of α Pinene Initiated by AlCl 3/SbCl 3 at Ambient Temperature. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 35(5):56-59(1996)
DOI：

Lu Jiang, Li Yu, Zhang Renjun, et al. Cationic Polymerization of α Pinene Initiated by AlCl 3/SbCl 3 at Ambient Temperature. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 35(5):56-59(1996) DOI：

摘要

研究了常温下（２５℃）ＡｌＣｌ３／ＳｂＣｌ３复合引发体系的α－蒎烯聚合反应．结果表明，控制一定的引发剂浓度、［Ｓｂ］／［Ａｌ］比等条件，即使温度高达室温仍可获得较高摩尔质量的固态树脂．［ＡｌＣｌ３］＝２１．３ｍｍｏｌ／Ｌ，［Ｓｂ］／［Ａｌ］＝１时，聚合产物Ｍｎ可达到８１０，二聚体含量仅为７％．复合引发体系的聚合动力学研究表明该复合引发剂两组分相互作用产生了本质不同于Ｌｅｗｉｓ阳离子引发剂活性种的新活性种．

Abstract

The polymerization of α pinene initiated with AlCl 3/SbCl 3 was investigated at ambient temperature. The results showed that a solid resin with relatively high molecular weight

and low dimer content

was obtained by controlling polymerization conditions

such as initiator concentration and / ratio even at a high temperature(25℃). When the [AlCl 3]=21.3mmol/L

/=1

the n was up to 810 and the dimer content was only 7%. The initiating mechanism of the binary catalyst AlCl 3/SbCl 3 was also studied in terms of the effects of the addition of SbCl 3 on the polymerization kinetics. The results suggested that a new initiating species

being different from proton in nature

was generated from interaction of AlCl 3 and SbCl 3.

关键词

&alpha－蒎烯阳离子聚合AlCl3／SbCl3

Keywords

AlCl 3/SbCl 3cationic polymerization&alphapinene

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