Method for determining thickness, degree of cure and other prope

Details Method for determining thickness, degree of cure and other prope Method for determining thickness, degree of cure and other prope

1994-05-05

1998-02-10

Fields, Carolyn E.

Radiant energy

Luminophor irradiation

Methods

250302, 2504581, G01N 2164

Patent

active

057172170

ABSTRACT:
A method for monitoring the properties of a coating comprising the steps of adding a fluorescence probe to a coating composition which has the ability to undergo microscopic changes in viscosity, the ratio of the intensity of the fluorescence emission of said probe at two wavelengths changing in response to said changes in said viscosity of said coating composition; curing said coating; causing said compound to fluoresce; measuring the fluorescence of said compound; calculating the ratio of the intensities of fluorescence emission of said compound at two or more wavelengths; relating said ratio to the monitored property of said coating.

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Zhang et al., "Real-Time Monitoring . . . Systems", J. Imaging Sc. and Tech. 36, No. 4 (1992).
Paczkowski et al. "New Fluorescence Probes for . . . Polymerization" J. Polymer Sc. Part A: Polymer Chemistry, 31, 841-846 (1993).
Paczkowski et al., "Developing Fluorescence Probe Technology . . . Polyacrylates", Chemtracts--Macromolecular Chem., 3, 75-94 (1992).
Paczkowski, et al., "Following Polymerization Kinetics . . . Methodology", Macromolecules, 25 (1992).

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