Method for determining thickness, degree of cure and other properties of a polymeric coating
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United States of America Patent
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Feb 10, 1998
Grant Date -
N/A
app pub date -
May 5, 1994
filing date -
May 5, 1994
priority date (Note) -
Expired
status (Latency Note)
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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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