Synthesis of Ultraviolet Absorption Polylactide <italic style="font-style: italic">via</italic> Immortal Polymerization of <italic style="font-style: italic">rac</italic>-Lactide Initiated by a Salan-yttrium Catalyst

Wei Zhao; Chuan-Yang Li; Chun-Ji Wu; Xin-Li Liu; Ze-Huai Mou; Chang-Guang Yao; Dong-Mei Cui

doi:10.1007/s10118-018-2050-x

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Synthesis of Ultraviolet Absorption Polylactide via Immortal Polymerization of rac-Lactide Initiated by a Salan-yttrium Catalyst

Articles | Updated：2021-02-18

- Synthesis of Ultraviolet Absorption Polylactide via Immortal Polymerization of rac-Lactide Initiated by a Salan-yttrium Catalyst
- Synthesis of Ultraviolet Absorption Polylactide via Immortal Polymerization of rac-Lactide Initiated by a Salan-yttrium Catalyst
- Chinese Journal of Polymer Science 2018年36卷第2期页码：202-206
- Affiliations：
  
  a.State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
  b.University of Chinese Academy of Sciences, Changchun Branch, Changchun 130022, China
  c.College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- Author bio：
  
  Dong-Mei Cui, E-mail dmcui@ciac.ac.cn
- Funds：
- DOI：10.1007/s10118-018-2050-x
  中图分类号：
- 收稿：2017-09-06，
  
  录用：2017-9-22，
  
  网络首发：2017-11-27，
  
  纸质出版：2018-02-05
- Accepted：
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Wei Zhao, Chuan-Yang Li, Chun-Ji Wu, 等. Synthesis of Ultraviolet Absorption Polylactide via Immortal Polymerization of rac-Lactide Initiated by a Salan-yttrium Catalyst[J]. Chinese Journal of Polymer Science, 2018,36(2):202-206. DOI: 10.1007/s10118-018-2050-x.

Wei Zhao, Chuan-Yang Li, Chun-Ji Wu, et al. Synthesis of Ultraviolet Absorption Polylactide via Immortal Polymerization of rac-Lactide Initiated by a Salan-yttrium Catalyst[J]. Chinese Journal of Polymer Science, 2018, 36(2): 202-206. DOI: 10.1007/s10118-018-2050-x.
Wei Zhao, Chuan-Yang Li, Chun-Ji Wu, 等. Synthesis of Ultraviolet Absorption Polylactide via Immortal Polymerization of rac-Lactide Initiated by a Salan-yttrium Catalyst[J]. Chinese Journal of Polymer Science, 2018,36(2):202-206. DOI: 10.1007/s10118-018-2050-x. DOI：

Wei Zhao, Chuan-Yang Li, Chun-Ji Wu, et al. Synthesis of Ultraviolet Absorption Polylactide via Immortal Polymerization of rac-Lactide Initiated by a Salan-yttrium Catalyst[J]. Chinese Journal of Polymer Science, 2018, 36(2): 202-206. DOI: 10.1007/s10118-018-2050-x. DOI：

摘要

Abstract

A highly efficient strategy for the synthesis of polylactide with the UV absorption ability was established by employing a Salan-yttrium complex (acting as a fast runing catalyst) combined with large excess hydroxyl functionalized benzophenone

BP'-OH

. During polymerization

BP'-OH

acting as the chain transfer agent

attached to the active rare-earth metal catalyst

via

a rapid-reversible exchange reaction to initiate the polymerization. Thus

more polyester chains appeared to grow from one active metal species

and the UV absorption fragments were incorporated into the polymer chains at specific sites

in situ

. A high productivity up to 1000 mol

/mol

(Salan-Y)

was successfully achieved and 100 BP'-labeled PLA chains grew from each active metal center.

关键词

Keywords

references

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Synthesis of Ultraviolet Absorption Polylactide via Immortal Polymerization of rac-Lactide Initiated by a Salan-yttrium Catalyst

Synthesis of Ultraviolet Absorption Polylactide via Immortal Polymerization of rac-Lactide Initiated by a Salan-yttrium Catalyst

DOI：10.1007/s10118-018-2050-x

摘要

Abstract

关键词

Keywords

references