ICCAS OpenIR
Crystalline morphology in a series of CH3-substituted thermotropic aromatic polyesters with even and odd flexible spacers
Chen, SX; Hu, ZM; Song, WH; Jin, YZ; Qian, RY
2001
Source PublicationCHINESE JOURNAL OF POLYMER SCIENCE
ISSN0256-7679
Volume19Issue:1Pages:71-78
AbstractCrystalline morphology in a series of CH3-substituted main chain thermotropic aromatic polyesters with even and odd numbered methylene spacers has been studied by polarizing optical microscopy (POM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). On crystallization from solution evaporation spherulites of radial structure were observed in the polymers with even numbered spacers, but spherulites with concentric rings form in the polymer with odd numbered spacers. Both spherulites have a lamellar structure, which is about 10 nm in thickness. On crystallization from nematic glassy state spherulites can not be grown; lamellar structure was only observed around disclinations in a specimen during crystallization. Ln the case of crystallization from nematic melt two types of spherulites can be observed far the sample with even numbered spacers. For the sample with add numbered spacers spherulites can not be formed, but only irregular crystallites.
KeywordCrystalline Morphology Spherulite Even-odd Flexible Spacers Ch3-substituted Thermotropic Aromatic Polyester
Indexed BySCI
Language英语
WOS IDWOS:000166329700012
PublisherSPRINGER-VERLAG BERLIN
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/77130
Collection中国科学院化学研究所
Corresponding AuthorChen, SX
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, State Key Lab Polymer Phys & Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Chen, SX,Hu, ZM,Song, WH,et al. Crystalline morphology in a series of CH3-substituted thermotropic aromatic polyesters with even and odd flexible spacers[J]. CHINESE JOURNAL OF POLYMER SCIENCE,2001,19(1):71-78.
APA Chen, SX,Hu, ZM,Song, WH,Jin, YZ,&Qian, RY.(2001).Crystalline morphology in a series of CH3-substituted thermotropic aromatic polyesters with even and odd flexible spacers.CHINESE JOURNAL OF POLYMER SCIENCE,19(1),71-78.
MLA Chen, SX,et al."Crystalline morphology in a series of CH3-substituted thermotropic aromatic polyesters with even and odd flexible spacers".CHINESE JOURNAL OF POLYMER SCIENCE 19.1(2001):71-78.
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