Thermoplastic High Strain Multishape Memory Polymer: Side-Chain Polynorbornene with Columnar Liquid Crystalline Phase

Ruiying Zhao; Tipeng Zhao; Xuqiang Jiang; Xin Liu; Dong Shi; Chenyang Liu; Shuang Yang; Er-Qiang Chen

doi:10.1002/adma.201605908

Thermoplastic High Strain Multishape Memory Polymer: Side-Chain Polynorbornene with Columnar Liquid Crystalline Phase

Adv Mater. 2017 Mar;29(12). doi: 10.1002/adma.201605908. Epub 2017 Jan 24.

Authors

Ruiying Zhao¹, Tipeng Zhao¹, Xuqiang Jiang¹, Xin Liu¹, Dong Shi¹, Chenyang Liu², Shuang Yang¹, Er-Qiang Chen¹

Affiliations

¹ Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry, Peking University, Beijing, 100871, China.
² Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, The Chinese Academy of Sciences, Beijing, 100190, China.

PMID: 28117506
DOI: 10.1002/adma.201605908

Abstract

A thermoplastic high strain multishape memory polymer can be fabricated using a hemiphasmid side-chain polynorbornene (P1) with hexagonal columnar liquid crystalline (Φ_H ) phase. Without any chemical crosslinks, P1 can memorize multiple temporary shapes with high strain and exhibit excellent shape fixity and shape recovery. As the building blocks of Φ_H , the multichain columns in P1 act as robust physical crosslinks.

Keywords: columnar phases; liquid crystalline polynorbornene; shape memory polymers; supramolecular multichain columns; thermoplastic.