ICCAS OpenIR
Two types of aggregation structure formed in a thermotropic aromatic polyester
Gu, QC; Chen, SX; Huang, Y
2004-04-13
Source PublicationPOLYMER
ISSN0032-3861
Volume45Issue:8Pages:2817-2830
AbstractThe aggregation structures of the enantiotropic liquid crystalline polyester, K145N213 (degreesC), were investigated using polarizing optical microscope (POM), wide-angle X-ray diffraction (WAXD) and scanning electron microscope (SEM). Depending on annealing temperature, two types of aggregation structure (AS), I and II were formed. AS I was grown directly from nematic melt, while AS II was formed from supercooled liquid crystalline state. By comparing AS I and AS II it was found that there was much difference between them, such as the morphology, the melting behaviour and the pattern of WAXD. The experimental results showed that the aggregation behaviour of AS II was more like that of the conventional crystalline polymers, while AS I made conspicuous difference. A sketch map of the formation mechanism of AS I was suggested, which showed that the particular AS I was composed of nematic domains. (C) 2004 Elsevier Ltd. All rights reserved.
KeywordAggregation Enantiotropic Liquid Crystal
DOI10.1016/j.polymer.2004.02.001
Indexed BySCI
Language英语
WOS IDWOS:000220533500037
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/82530
Collection中国科学院化学研究所
Corresponding AuthorHuang, Y
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, State Key Lab Polymer Phys & Chem, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Inst Chem, Lab Cellulose & Lignocellulos Chem, Guangzhou 510650, Peoples R China
Recommended Citation
GB/T 7714
Gu, QC,Chen, SX,Huang, Y. Two types of aggregation structure formed in a thermotropic aromatic polyester[J]. POLYMER,2004,45(8):2817-2830.
APA Gu, QC,Chen, SX,&Huang, Y.(2004).Two types of aggregation structure formed in a thermotropic aromatic polyester.POLYMER,45(8),2817-2830.
MLA Gu, QC,et al."Two types of aggregation structure formed in a thermotropic aromatic polyester".POLYMER 45.8(2004):2817-2830.
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