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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Observation of the silicon arcylate effect on the photo-polymerization reaction using micro raman spectroscopic technique

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2004, v.17 no.3, pp.225-229



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Abstract

The effect of the silicon acrylate as a reactive additive on the UV-curing photo- polymerization reaction was studied by micro raman technique. For the study, acrylate systems and Darocur 1173 were used as oligomer and monomers, and a photo initiator, respectively. The content of silicon acrylate was within the range of 0-3 wt%. The extent of photo-polymerization reaction as a function of depth from the air interface was obtained from the conversion ratio of acrylate double bond calculated from the intensities of measured bands at 1410 cm-1 and at 1635 cm-1. Micro raman spectroscopic technique can be an useful tool for the investigation of the factors, which can affect the reaction progress, such as oxygen inhibition, composition of the formulations, depth, etc.

keywords
micro raman, UV, photo-polymerization, acrylate, oxygen inhibition


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