Microwave-Assisted Ring Opening Polymerization of Caprolactone and Lactide

Li-jian LIU; Li -qiong LIAO; Ying SONG; Zhao-ju YU; Chao ZHANG

doi:10.14028/j.cnki.1003-3726.2003.05.001

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Microwave-Assisted Ring Opening Polymerization of Caprolactone and Lactide

更新时间：2022-09-18

- Microwave-Assisted Ring Opening Polymerization of Caprolactone and Lactide
- Polymer Bulletin Vol. 16, Issue 5, Pages: 1-6(2003)
- 作者机构：
  
  武汉大学化学与分子科学学院高分子科学系，武汉　430072
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2003.05.001
  CLC：
- Published：2003-10，
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Li-jian LIU, Li -qiong LIAO, Ying SONG, Zhao-ju YU, Chao ZHANG. Microwave-Assisted Ring Opening Polymerization of Caprolactone and Lactide. [J]. Polymer Bulletin 16(5):1-6(2003)
DOI：

Li-jian LIU, Li -qiong LIAO, Ying SONG, Zhao-ju YU, Chao ZHANG. Microwave-Assisted Ring Opening Polymerization of Caprolactone and Lactide. [J]. Polymer Bulletin 16(5):1-6(2003) DOI： 10.14028/j.cnki.1003-3726.2003.05.001.

摘要

己内酯和丙交酯在异辛酸亚锡存在下经微波辐照5min 可分别获得分子量120kg·mol

－1

的聚己内酯和225kg·mol

－1

的聚乳酸。苯甲酸可作为己内酯微波辅助开环聚合的引发剂

所得聚己内酯的分子量达到44.8kg·mol

－1

。通过混有布洛芬的己内酯的微波开环聚合可直接制备以聚己内酯为基质的药物控释系统。己内酯和丙交酯在微波辐照下的热行为对它们的开环聚合反应有重要影响。

Abstract

Poly (ε-caprolactone) (PCL) with Mw120kg·mol

-1

and polylactide with Mw225kg·mol

-1

were obtained respectively by a5min ring opening polymerization (ROP) ofε-caprolactone (CL) and lactide (LA) with stannous octoate as catalyst under microwave irradiation. PCL (Mw over40kg·mol

-1

) was also prepared from the microwave-assisted polymerization of CL initiated by benzoic acid. Ibuprofen-PCL controlled release system was formed directly by the ROP of CL mixed with Ibuprofen. Heating behavior of CL and LA by microwaves had significan effect on their microwave polymerization.

关键词

微波开环聚合己内酯丙交酯

Keywords

MicrowaveRing opening polymerizationCaprolactoneLactide

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