The self-diffusion of polymers
作者:
J. Klein,
期刊:
Contemporary Physics
(Taylor Available online 1979)
卷期:
Volume 20,
issue 6
页码: 611-629
ISSN:0010-7514
年代: 1979
DOI:10.1080/00107517908210929
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The mobility and self-diffusion of polymer molecules in concentrated systems or in the molten bulk state is largely controlled by entanglements between the molecules. These entanglements are a result of the chain-like nature of the molecules and of their extended, coil-like configuration. The conformation and mobility of polymer molecules in dilute solution—which are relatively well understood—are discussed; this leads to a consideration of self-diffusion in the more concentrated states and in the bulk polymer melt, and several special properties of polymers which are controlled and modified by the molecular self-diffusion are examined.
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