Precise Supramolecular Polymerization of Liquid Crystalline Block Copolymer Initiated by Heavy Metallic Salts

Yi-Qi Chen; Bi-Xin Jin; Qin Li; Yun-Jun Luo; Shu-Meng Chi; Xiao-Yu Li

doi:10.1007/s10118-022-2715-3

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Precise Supramolecular Polymerization of Liquid Crystalline Block Copolymer Initiated by Heavy Metallic Salts

RESEARCH ARTICLE | Updated：2022-05-24

- Precise Supramolecular Polymerization of Liquid Crystalline Block Copolymer Initiated by Heavy Metallic Salts
- Precise Supramolecular Polymerization of Liquid Crystalline Block Copolymer Initiated by Heavy Metallic Salts
- Chinese Journal of Polymer Science 2022年40卷第6期页码：624-630
- Affiliations：
  
  a.School of Materials Science and Engineering, Beijing Institute of Technology, Beijing100081, China
  b.Key Laboratory of High Energy Density Materials, Ministry of Education, Beijing Institute of Technology, Beijing100081, China
  c.Experimental Center of Advanced Materials, Beijing Institute of Technology, Beijing100081, China
- Author bio：
  
  xiaoyuli@bit.edu.cn
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (Nos. 51973019 and 22175024). We also thank the Analysis & Testing Center, Beijing Institute of Technology for the support of facility.
- DOI：10.1007/s10118-022-2715-3
  中图分类号： M
- 收稿：2021-12-31，
  
  修回：2022-1-30，
  
  录用：2022-2-10，
  
  网络首发：2022-04-15，
  
  纸质出版：2022-06-01
- Accepted：
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Chen, Y. Q.; Jin, B. X.; Li, Q.; Luo, Y. J.; Chi, S. M.; Li, X. Y. Precise supramolecular polymerization of liquid crystalline block copolymer initiated by heavy metallic salts. Chinese J. Polym. Sci. 2022, 40, 624–630

Yi-Qi Chen, Bi-Xin Jin, Qin Li, et al. Precise Supramolecular Polymerization of Liquid Crystalline Block Copolymer Initiated by Heavy Metallic Salts[J]. Chinese Journal of Polymer Science, 2022, 40(6): 624-630.
Chen, Y. Q.; Jin, B. X.; Li, Q.; Luo, Y. J.; Chi, S. M.; Li, X. Y. Precise supramolecular polymerization of liquid crystalline block copolymer initiated by heavy metallic salts. Chinese J. Polym. Sci. 2022, 40, 624–630 DOI： 10.1007/s10118-022-2715-3.

Yi-Qi Chen, Bi-Xin Jin, Qin Li, et al. Precise Supramolecular Polymerization of Liquid Crystalline Block Copolymer Initiated by Heavy Metallic Salts[J]. Chinese Journal of Polymer Science, 2022, 40(6): 624-630. DOI： 10.1007/s10118-022-2715-3.

摘要

Herein

a case of supramolecular polymerization with a liquid crystalline (LC) block copolymer (BCP) as “monomer” and heavy metallic salts as “initiators” was reported. The lengths of the resultant uniform supramolecular polymer fibrils could be finely tuned by adjusting the type and content of metallic salts.

Abstract

Heavy metallic salts are capable to bind with proteins and cause detrimental fibrilization in living cells. Herein

we report a similar case of supramolecular polymerization and thus fibrilization from a liquid crystalline (LC) block copolymer (BCP) initiated by heavy metallic salts. Analogous to the naturally-occurring process

LC BCP “monomers” could bind with metallic salts to form small aggregates

which functioned as seeds to trigger the subsequent supramolecular polymerization of the rest BCP monomers

to produce highly uniform supramolecular polymers. The lengths of the resultant supramolecular polymer fibrils were linearly proportional to the ratios between the BCP and the metallic salts

and largely influenced by the choice of metallic cations

as well as the counterions. Lastly

this method was used to polymerize two different diblock copolymer “monomers” to produce pentablock supramolecular polymers in a one-pot manner.

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Keywords

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