Method for performing IR spectroscopy measurements to...

Details Method for performing IR spectroscopy measurements to... Method for performing IR spectroscopy measurements to...

2011-04-05

2011-04-05

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

C250S339090, C250S339070, C356S303000, C356S306000

Reexamination Certificate

active

07919753

ABSTRACT:
A method of non-destructively determining the amount of ultraviolet degradation of a surface and/or paint adhesion characteristics of the surface corresponding with UV damage including determining a physical property of a composite material/surfacing film by providing a series of composite materials/surfacing films which are subjected to increasing UV light exposure to create a set of UV damage standards, collecting mid-IR spectra on those standards, performing data pre-processing and then multivariate calibration on the spectra of the composite materials/surfacing films, and using that calibration to predict the UV damage for samples in question.

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Hamid, S. H. (2000), Ultraviolet-induced degradation of Ziegler-Natta and metallocene catalyzed polyethylenes. Journal of Applied Polymer Science, 78: 1591-1596. doi: 10.1002/1097-4628(20001128)78:9<1591::AID-APP30>3.0.CO;2-A.
Amin, M. B., Hamid, S. H. and Rahman, F. (1995), Prediction of mechanical properties of weather-induced degraded plastics in saudi arabia. Journal of Applied Polymer Science, 56: 279-284. doi: 10.1002/app.1995.070560219.

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