ICCAS OpenIR
Structure-property relationship of a series of novel mesogen-jacketed liquid-crystalline polymers containing semirigid side chain with different numbers of alkoxy terminal groups
Yang, Chang-An1; Tan, Qian1; Zhong, GuanQun1; Xie, HeLou1; Zhang, HaiLiang1; Chen, Er-Qiang2; Zhou, Qi-Feng2
2010-01-21
Source PublicationPOLYMER
ISSN0032-3861
Volume51Issue:2Pages:422-429
AbstractA series of vinyl monomers, 2, 5-bis [(4-methoxy benzyl) oxycarbonyl] styrene (MBCS); 2, 5-bis [(3, 5-dimethoxy benzyl)oxycarbonyl] styrene (DMBCS) and 2, 5-bis [(3, 4, 5-trimethoxy benzyl) oxycarbonyl] styrene (TMBCS) were synthesized and polymerized via free radical polymerization. The terminal groups of the semirigid side chain were systematically varied to investigate the effects of their numbers on the ability of mesophase formation of the resultant polymers. The chemical structures of the monomers were confirmed by elemental analysis, (1)H NMR and (13)C NMR. The characterization of the polymers was performed with (1)H NMR, gel permeation chromatography (GPC). The phase structures and transition behaviors were studied using differential scanning calorimetry (DSC), polarized light microscopy (PLM) and one- and two-dimensional wide-angle X-ray diffraction (WAXD). The experimental results suggested that the ability of mesophase formation of the polymers decreased as the rigidity of side-chain group decreased and increased as the number of the alkoxy terminal group increased, and that all the polymers with high molecular weight showed stable columnar nematic phase (Phi(N)). (C) 2009 Elsevier Ltd. All rights reserved.
KeywordMesogen-jacketed Liquid-crystalline Polymer Mesogen Columnar Nematic Phase
DOI10.1016/j.polymer.2009.12.004
Indexed BySCI
Language英语
WOS IDWOS:000273804500012
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69536
Collection中国科学院化学研究所
Corresponding AuthorZhang, HaiLiang
Affiliation1.Xiangtan Univ, Key Lab Polymer Mat &Applicat Technol Hunan Prov, Key Lab Adv Funct Polymer Mat, Coll & Univ Hunan Prov,Coll Chem, Xiangtan 411105, Hunan, Peoples R China
2.Peking Univ, Beijing Natl Lab Mol Sci, Key Lab Polymer Chem & Phys, Coll Chem & Mol Engn,Minist Educ, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Yang, Chang-An,Tan, Qian,Zhong, GuanQun,et al. Structure-property relationship of a series of novel mesogen-jacketed liquid-crystalline polymers containing semirigid side chain with different numbers of alkoxy terminal groups[J]. POLYMER,2010,51(2):422-429.
APA Yang, Chang-An.,Tan, Qian.,Zhong, GuanQun.,Xie, HeLou.,Zhang, HaiLiang.,...&Zhou, Qi-Feng.(2010).Structure-property relationship of a series of novel mesogen-jacketed liquid-crystalline polymers containing semirigid side chain with different numbers of alkoxy terminal groups.POLYMER,51(2),422-429.
MLA Yang, Chang-An,et al."Structure-property relationship of a series of novel mesogen-jacketed liquid-crystalline polymers containing semirigid side chain with different numbers of alkoxy terminal groups".POLYMER 51.2(2010):422-429.
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