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
- Chinese Journal of Polymer Science Vol. 40, Issue 6, Pages: 624-630(2022)
- 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：
- DOI：10.1007/s10118-022-2715-3
  CLC：
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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 40(6):624-630(2022)
DOI：

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 40(6):624-630(2022) 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.

关键词

Keywords

Liquid crystalline block copolymerSupramolecular polymerizationSelf assemblyControllability

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