Real-time monitoring of laser photochemical reactions of polyvinylchloride

Real-time monitoring of laser photochemical reactions of polyvinylchloride

The formation of conjugated double bonds in polyvinylchloride (PVC) films by ultraviolet (UV) irradiation is analyzed using an in situ laser‐monitoring technique we have developed to measure changes in transmittance of thin UV‐irradiated PVC films. Conjugated polyenes of different lengths are produc...

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Veröffentlicht in:Journal of applied polymer science 2000-07, Vol.77 (1), p.59-63
Hauptverfasser: Sheu, L., Imen, K., Allen, S. D.
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Sprache:eng
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Applied sciences
Exact sciences and technology
Grafting and modifications
Physicochemistry of polymers
Polymers and radiations
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container_title Journal of applied polymer science
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creator Sheu, L.
Imen, K.
Allen, S. D.
description The formation of conjugated double bonds in polyvinylchloride (PVC) films by ultraviolet (UV) irradiation is analyzed using an in situ laser‐monitoring technique we have developed to measure changes in transmittance of thin UV‐irradiated PVC films. Conjugated polyenes of different lengths are produced by laser irradiation at 193 and 248‐nm wavelengths. This technique promises to have broader applications in the study of polymer reaction mechanisms and kinetics. © 2000 John Wiley & Sons, Inc. J Appl Polym Sci 77: 59–63, 2000
doi_str_mv 10.1002/(SICI)1097-4628(20000705)77:1<59::AID-APP9>3.0.CO;2-O
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subjects Applied sciences
Exact sciences and technology
Grafting and modifications
Physicochemistry of polymers
Polymers and radiations
title Real-time monitoring of laser photochemical reactions of polyvinylchloride
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