Anisotropic properties of strained viscoelastic fluids. I. A method for measuring strain birefringence
作者:
Stanley J. Gill,
期刊:
Journal of Applied Polymer Science
(WILEY Available online 1959)
卷期:
Volume 1,
issue 1
页码: 17-23
ISSN:0021-8995
年代: 1959
DOI:10.1002/app.1959.070010104
出版商: Wiley Subscription Services, Inc., A Wiley Company
数据来源: WILEY
摘要:
AbstractA mechanism has been devised for the purpose of introducing a sudden strain of calculable amount into a viscoelastic fluid. The principle of the apparatus relies upon the deformation caused by the rotation of an elliptical sleeve about a flexible tube containing polymer solution. An apparatus has been constructed which can produce a 90° rotation (with consequent deformation) in the period of one millisecond. The detection of the strained state is accomplished by means of strain birefringence. In this way, relaxation can be studied in concentrated solutions for a time range beyond one millisecond
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