Conformational elasticity theory of chain molecules

CORC > 化学研究所 > 中国科学院化学研究所

	Conformational elasticity theory of chain molecules
	Yang, XZ
刊名	SCIENCE IN CHINA SERIES B-CHEMISTRY
	2001-04-01
卷号	44 期号:2 页码:154-168
关键词	Chain Molecules Conformational Elasticity Conformational Distribution
ISSN号	1006-9291
英文摘要	This paper develops a conformational elasticity theory of chain molecules, which is based on three key points: ( i) the molecular model is the rotational isomeric state (RIS) model; (ii) the conformational distribution function of a chain molecule is described by a function of two variables, the end-to-end distance of a chain conformation and the energy of the conformation; (iii) the rule of changes in the chain conformational states during deformation is that a number of chain conformations would vanish. The ideal deformation behavior calculated tay the theory shows that the change in chain conformations is physically able to make the upward curvature of the stress-strain curve at the large-scale deformation of natural rubber. With the theory, different deformation behaviors between polymers with different chemical structures can be described, the energy term of the stress in the deformations can be predicted, and for natural rubber the fraction of the energy term is around 13%, coinciding with the experimental results.
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000168510600005
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/77109]
专题	中国科学院化学研究所
通讯作者	Yang, XZ
作者单位	Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Polymer Phys Lab, Beijing 100080, Peoples R China
推荐引用方式 GB/T 7714	Yang, XZ. Conformational elasticity theory of chain molecules[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2001,44(2):154-168.
APA	Yang, XZ.(2001).Conformational elasticity theory of chain molecules.SCIENCE IN CHINA SERIES B-CHEMISTRY,44(2),154-168.
MLA	Yang, XZ."Conformational elasticity theory of chain molecules".SCIENCE IN CHINA SERIES B-CHEMISTRY 44.2(2001):154-168.