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题名: Investigation on the overlapping bands of syndiotactic polystyrene by using 2D-IR spectroscopy
作者: Jiang, Qianhong1; Zhao, Ying1; Zhang, Chunbo1; Yang, Jian1; Wang, Dujin1
关键词: Syndiotactic polystyrene ; Mesophase ; Chain conformation ; FTIR ; Two-dimensional correlation spectroscopy
刊名: JOURNAL OF MOLECULAR STRUCTURE
发表日期: 2016-11-15
卷: 1124, 页:98-102
收录类别: SCI ; ISTP
英文摘要: In this work, WAXD and FTIR spectroscopy were utilized to investigate the phase transition of syndiotactic polystyrene (sPS) from amorphous phase to mesophase during the isothermal annealing process at 130 degrees C. Two dimensional (2D) correlation infrared spectroscopy was applied to reveal the sub-bands from the highly overlapping bands. The similar to 900 cm(-1) band is shown to be composed of two sub-bands. One band located around 906 cm(-1) corresponds to the amorphous phase, another peak that occurs around 900 cm(-1) is associated with mesophase. The trans-planar conformation band at 1223 cm(-1) turns out to consist of two bands which might be related to trans-planar conformation with different sequence lengths. (C) 2016 Elsevier B.V. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35415
Appears in Collections:工程塑料实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Key Lab Engn Plast, Beijing 100190, Peoples R China
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