Method for determining thickness, degree of cure and other properties of a polymeric coating or film
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United States of America Patent
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Feb 25, 1997
Issued Date -
N/A
app pub date -
Jun 5, 1995
filing date -
May 5, 1994
priority date (Note) -
Expired
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Abstract
A method for monitoring a property of a polymeric mass such as a coating or film comprising the steps of adding a fluorescence probe compound capable of fluorescing to a polymeric composition which has the ability to undergo changes in microviscosity, the ratio of the intensity of the fluorescence emission of said compound at two wavelengths changing in response to said changes in said microviscosity of said composition; curing said composition; 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 composition.
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