ICCAS OpenIR
Chirality amplification of syndiotactic polystyrene induced circular dichroism chiral film in delta form upon annealing
Zheng, Kai1; Liu, Ruigang1; Kang, Hongliang1; Gao, Xia2; Shen, Deyan1; Huang, Yong1,3
2011-07-20
Source PublicationPOLYMER
ISSN0032-3861
Volume52Issue:16Pages:3671-3676
AbstractThe induced circular dichroism (ICD) syndiotactic polystyrene (sPS) chiral films in sPS delta phase were prepared and the chirality of the ICD sPS films upon annealing at different temperature was investigated. The sPS delta crystals in the ICD films transform into gamma and then into alpha crystals as those of achiral sPS delta crystals during annealing at different temperature. The CD signal intensity at lambda of 200 nm remains unchanged during the delta to gamma crystalline transformation, but enhanced tremendously during the gamma to alpha crystalline transformation. The amplification CD signal attributes to the closer package of the phenol rings in sPS alpha phase than that in sPS delta and gamma phases. The lamellae grown at a temperature above the gamma to alpha transition follow the chiral aggregation structure, which also contribute to the amplification of the CD signal. (C) 2011 Elsevier Ltd. All rights reserved.
KeywordSyndiotactic Polystyrene Induced Circular Dichroism Chirality
DOI10.1016/j.polymer.2011.06.007
Indexed BySCI
Language英语
WOS IDWOS:000293040600021
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/121111/73450
Collection中国科学院化学研究所
Corresponding AuthorLiu, Ruigang
Affiliation1.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Lab Polymer Phys & Chem, Beijing 100190, Peoples R China
2.Beijing Acad Sci & Technol, Beijing Ctr Phys & Chem Anal, Beijing 100089, Peoples R China
3.Chinese Acad Sci, Tech Inst Phys & Chem, Natl Res Ctr Engn Plast, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Kai,Liu, Ruigang,Kang, Hongliang,et al. Chirality amplification of syndiotactic polystyrene induced circular dichroism chiral film in delta form upon annealing[J]. POLYMER,2011,52(16):3671-3676.
APA Zheng, Kai,Liu, Ruigang,Kang, Hongliang,Gao, Xia,Shen, Deyan,&Huang, Yong.(2011).Chirality amplification of syndiotactic polystyrene induced circular dichroism chiral film in delta form upon annealing.POLYMER,52(16),3671-3676.
MLA Zheng, Kai,et al."Chirality amplification of syndiotactic polystyrene induced circular dichroism chiral film in delta form upon annealing".POLYMER 52.16(2011):3671-3676.
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