ICCAS OpenIR
Morphological, study on the oriented chitosan film obtained from pre-sheared liquid crystalline solution in dichloroacetic acid
Hu, ZM; Wu, LH; Wu, DC; Chen, SX
2001-07-01
Source PublicationCHINESE JOURNAL OF POLYMER SCIENCE
ISSN0256-7679
Volume19Issue:4Pages:385-390
AbstractThe oriented chitosan films obtained from pre-sheared liquid crystalline chitosan/dichloroacetic acid (DCA) solutions were studied by means of polarized optical microscopy (POM), scanning electron microscopy (SEM), infra-red dichroism technique and wide angle X-ray diffraction (WAXD). The sheer induced band texture in the film was found to correspond to the sinusoidal fibrillar microstructure along the shearing direction on the basis of POM and SEM observations. The sinusoidal fibril was found to be lying within the film plane. The model of chitosan molecular orientation in the pre-sheared film with band texture can be established assuming that the main chain orients in the shearing direction and the side group is perpendicular to the shearing direction. The WAXD azimuthal scanning at 2 theta = 20 degrees indicates that the (002) plane orients perpendicular to the shearing direction.
KeywordChitosan Morphology Orientation Shear Induced Band Texture Liquid Crystalline Solution
Indexed BySCI
Language英语
WOS IDWOS:000169782300007
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/121111/77638
Collection中国科学院化学研究所
Corresponding AuthorWu, LH
Affiliation1.China Text Acad, Beijing 100025, Peoples R China
2.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, State Key Lab Polymer Phys & Chem, Beijing 100080, Peoples R China
3.Sichuan Univ, Coll Text, Chengdu 610065, Peoples R China
Recommended Citation
GB/T 7714
Hu, ZM,Wu, LH,Wu, DC,et al. Morphological, study on the oriented chitosan film obtained from pre-sheared liquid crystalline solution in dichloroacetic acid[J]. CHINESE JOURNAL OF POLYMER SCIENCE,2001,19(4):385-390.
APA Hu, ZM,Wu, LH,Wu, DC,&Chen, SX.(2001).Morphological, study on the oriented chitosan film obtained from pre-sheared liquid crystalline solution in dichloroacetic acid.CHINESE JOURNAL OF POLYMER SCIENCE,19(4),385-390.
MLA Hu, ZM,et al."Morphological, study on the oriented chitosan film obtained from pre-sheared liquid crystalline solution in dichloroacetic acid".CHINESE JOURNAL OF POLYMER SCIENCE 19.4(2001):385-390.
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