Optical sensor for the measurement of molecular orientation and

Details Optical sensor for the measurement of molecular orientation and Optical sensor for the measurement of molecular orientation and

1990-08-07

1992-09-29

Rosenberger, Richard A.

Optics: measuring and testing

Material strain analysis

73 5401, 73 5301, 356364, G01N 2164

Patent

active

051517485

ABSTRACT:
A method of measuring fluid properties of a polymer melt, undergoing shear and/or extensional flow which utilizes fluorescent anisotropy. The method utilizes a polymeric chromophore which includes a bifunctional anthracene that is covalently bonded to polybutadiene. The invention also involves an optical probe which is designed to be inserted into existing temperature and/or pressure probe ports in processing equipment. The probe includes a rotatable polarizer and emission collection fibers.

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Chappoy et al, Macromolecules, 12, 680 (1978).
Chappoy et al, Method of experimental Physics, vol. 16a, Academic Press, York (1980).

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