Synthesis and properties of a rod-g-rod bottlebrush with a semirigid mesogen-jacketed polymer as the side chain
Literature Information
Publication Date
2014-04-22
DOI
10.1039/C4PY00033A
Impact Factor
5.582
Authors
Hai-Jian Tian, Wei Qu, Yu-Feng Zhu, Zhihao Shen, Xing-He Fan
View Original
Abstract
A series of bottlebrushes, poly(γ-3-azidopropanyl-L-glutamate)-g-poly{2,5-bis[(4-methoxyphenyl)oxycarbonyl]styrene (PPLG-g-PMPCS), with an α-helical rigid backbone and mesogen-jacketed rigid side chains were synthesized by the “grafting onto” method from yne-terminated PMPCS (side chain) and poly(γ-azide propanyl-L-glutamate) (backbone) by a Cu(I)-catalyzed 1,3-dipolar cycloaddition click reaction. The chemical structures of the bottlebrushes were confirmed by 1H NMR, gel permeation chromatography (GPC), GPC coupled with multi-angle laser light scattering and differential refractive index detection, and Fourier-transform infrared spectroscopy. The bottlebrushes were obtained with high grafting densities (>85%). The properties of the bottlebrushes were studied by small-angle X-ray scattering and atomic force microscopy. And the results show that the conformation of the bottlebrush changes from a cylinder to an ellipsoid as the degree of polymerization of the side chain increases from 14 to 65.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
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Recommended Compounds
![2-{3-[4-(3-Chlorophenyl)-1-piperazinyl]propyl}[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one hydrochloride (1:1) structure](https://static.chemtradehub.com/structs/253/25332-39-2-496e.webp "2-{3-[4-(3-Chlorophenyl)-1-piperazinyl]propyl}[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one hydrochloride (1:1) structure")
2-{3-[4-(3-Chlorophenyl)-1-piperazinyl]propyl}[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one hydrochloride (1:1)
CAS Number:
25332-39-2
Molecular Formula:
C19H23Cl2N5O
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