PMID- 32907266
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20200910
IS  - 1744-6848 (Electronic)
IS  - 1744-683X (Linking)
VI  - 4
IP  - 6
DP  - 2008 May 14
TI  - ABA type liquid crystalline triblock copolymers by combination of living cationic 
      polymerizaition and ATRP: synthesis and self-assembly.
PG  - 1230-1236
LID - 10.1039/b718558h [doi]
AB  - Lamellar and hexagonal-coil-cylinder self-assembled structures of ABA type 
      triblock copolymers containing mesogen-jacketed liquid crystalline polymer 
      (MJLCP) as the rod block, and polyisobutylene (PIB) as the coil middle block were 
      discovered. PIB was synthesized by living cationic polymerization of isobutylene 
      initiated by 1,4-bis(2-chloro-2-propyl)benzene (p-DCC), and then a small amount 
      of styrene was introduced at the end of the PIB chains to form the difunctional 
      PIB macroinitiator with -CH2CH(C6H5)Cl end groups for further atom transfer 
      radical polymerization (ATRP). 2,5-Bis[(4-methoxyphenyl)oxycarbonyl]styrene 
      (MPCS) was block-copolymerized from the difunctional PIB macroinitiators at 110 
       degrees C. The molecular characterization of the triblock copolymers was performed with 
      1H NMR, 13C NMR, gel permeation chromatography (GPC), and thermogravimetric 
      analysis (TGA). Their phase structures and transitions were investigated by 
      differential scanning calorimetry (DSC), small angle X-ray scattering (SAXS), and 
      polarized optical microscopy experiments. It was demonstrated that the triblock 
      copolymers formed lamellar structures at moderate rod fractions and hexagonal 
      coil cylinders in the rod matrix at high rod fractions. The d-spacing of the 
      microphase-separated structures was influenced by the liquid crystalline phase of 
      rod-like PMPCS blocks.
FAU - Gao, Long-Cheng
AU  - Gao LC
AD  - Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Peking 
      University, Beijing 100871, China and College of Chemistry and Molecular 
      Engineering, Beijing National Laboratory for Molecular Sciences, Peking 
      University, Beijing 100871, China. fanxh@pku.edu.cn zshen@pku.edu.cn 
      qfzhou@pku.edu.cn.
FAU - Zhang, Cheng-Long
AU  - Zhang CL
AD  - State Key Laboratory of Chemical Resource Engineering, Key Laboratory of Beijing 
      City on Preparation and Processing of Novel Polymer Materials, Beijing University 
      of Chemical Technology, Beijing 100029, China. wuyx@mail.buct.edu.cn.
FAU - Liu, Xun
AU  - Liu X
AD  - State Key Laboratory of Chemical Resource Engineering, Key Laboratory of Beijing 
      City on Preparation and Processing of Novel Polymer Materials, Beijing University 
      of Chemical Technology, Beijing 100029, China. wuyx@mail.buct.edu.cn.
FAU - Fan, Xing-He
AU  - Fan XH
AD  - Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Peking 
      University, Beijing 100871, China and College of Chemistry and Molecular 
      Engineering, Beijing National Laboratory for Molecular Sciences, Peking 
      University, Beijing 100871, China. fanxh@pku.edu.cn zshen@pku.edu.cn 
      qfzhou@pku.edu.cn.
FAU - Wu, Yi-Xian
AU  - Wu YX
AD  - State Key Laboratory of Chemical Resource Engineering, Key Laboratory of Beijing 
      City on Preparation and Processing of Novel Polymer Materials, Beijing University 
      of Chemical Technology, Beijing 100029, China. wuyx@mail.buct.edu.cn.
FAU - Chen, Xiao-Fang
AU  - Chen XF
AD  - Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Peking 
      University, Beijing 100871, China and College of Chemistry and Molecular 
      Engineering, Beijing National Laboratory for Molecular Sciences, Peking 
      University, Beijing 100871, China. fanxh@pku.edu.cn zshen@pku.edu.cn 
      qfzhou@pku.edu.cn.
FAU - Shen, Zhihao
AU  - Shen Z
AD  - Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Peking 
      University, Beijing 100871, China and College of Chemistry and Molecular 
      Engineering, Beijing National Laboratory for Molecular Sciences, Peking 
      University, Beijing 100871, China. fanxh@pku.edu.cn zshen@pku.edu.cn 
      qfzhou@pku.edu.cn.
FAU - Zhou, Qi-Feng
AU  - Zhou QF
AD  - Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Peking 
      University, Beijing 100871, China and College of Chemistry and Molecular 
      Engineering, Beijing National Laboratory for Molecular Sciences, Peking 
      University, Beijing 100871, China. fanxh@pku.edu.cn zshen@pku.edu.cn 
      qfzhou@pku.edu.cn.
LA  - eng
PT  - Journal Article
PL  - England
TA  - Soft Matter
JT  - Soft matter
JID - 101295070
SB  - IM
EDAT- 2008/05/14 00:00
MHDA- 2008/05/14 00:01
CRDT- 2020/09/10 01:03
PHST- 2020/09/10 01:03 [entrez]
PHST- 2008/05/14 00:00 [pubmed]
PHST- 2008/05/14 00:01 [medline]
AID - 10.1039/b718558h [doi]
PST - ppublish
SO  - Soft Matter. 2008 May 14;4(6):1230-1236. doi: 10.1039/b718558h.