中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Sequence distribution effects on glass transition temperatures of copolymers: An extended Gibbs-DiMarzio equation in view of bond rotation flexibility

文献类型:期刊论文

作者Liu, G. D. ; Meng, Z. Y. ; Wang, W. ; Zhou, Y. L. ; Zhangt, L. C.
刊名Journal of Physical Chemistry B
出版日期2008
期号1页码:93-99
关键词equimolar copolymers ordered copolymers acrylonitrile
其他题名J. Phys. Chem. B
中文摘要In view of bond rotation flexibility and the additivity of stiff energy, a new equation containing mole fractions of sequences and glass transition temperatures (T-g's) of periodic copolymers was proposed. Meanwhile, the effect of stereochemical sequences was also taken into account. Even for the case of all substitutions on primary (C-1), second (C-2) and third (C-3) carbon atoms adjoining to the given bond (triad sequences effect) to be considered, no intractable parameters exist in the new equation if the periodic copolymers of poly[AB], poly[AAB], and poly[BBA] could be acquired. This may facilitate its convenient application in comparison with the Ham equation (Ham, G. E. J. Macromol. Sci. Chem. 1975, A9, 461), which also concerned triad contributions. The new equation was applied to methyl methacrylate-styrene, ethylene-methyl methacrylate, and ethylene-vinyl acetate copolymers, and excellent fittings were obtained. The parameters obtained may predict T, values of periodic copolymers that have not been acquired as well as provide useful information on the bond rotation flexibility.
原文出处://WOS:000252122400013
语种英语
WOS记录号WOS:000252122400013
公开日期2013-10-08
版本出版稿
源URL[http://ir.ipe.ac.cn/handle/122111/2804]  
专题过程工程研究所_研究所(批量导入)
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GB/T 7714
Liu, G. D.,Meng, Z. Y.,Wang, W.,et al. Sequence distribution effects on glass transition temperatures of copolymers: An extended Gibbs-DiMarzio equation in view of bond rotation flexibility[J]. Journal of Physical Chemistry B,2008(1):93-99.
APA Liu, G. D.,Meng, Z. Y.,Wang, W.,Zhou, Y. L.,&Zhangt, L. C..(2008).Sequence distribution effects on glass transition temperatures of copolymers: An extended Gibbs-DiMarzio equation in view of bond rotation flexibility.Journal of Physical Chemistry B(1),93-99.
MLA Liu, G. D.,et al."Sequence distribution effects on glass transition temperatures of copolymers: An extended Gibbs-DiMarzio equation in view of bond rotation flexibility".Journal of Physical Chemistry B .1(2008):93-99.

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来源:过程工程研究所

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