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Proceedings Paper

Polymerization kinetics of mono- and multifunctional monomers initiated by high-intensity laser pulses: dependence of rate on peak-pulse intensity and chemical structure
Author(s): Charles E. Hoyle; Per-Erik Sundell; Martin A. Trapp; Doekman Kang; D. Sheng; Rajamani Nagarajan
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Paper Abstract

During the past few years we have conducted extensive analysis of the laser-initiated polymerization of acrylate type monomers which polymerize by a free-radical mechanism. In this paper we report on the dependence of the rate of polymerization of a variety of monofunctional and multifunctional monomers on the intensity of pulses produced from an excimer laser. In the case of multifunctional systems, the rates of certain monomers show an absence of dependence on the laser intensity over a selected range while others are highly dependent on the laser intensity over a broad range. It appears that the ability to exhibit rapid rates when high intensities are employed is influenced by the mechanism of the macrogelation process which occurs during the polymerization. Also, the photoinitiator type and concentration can play a major role in the dependence of the rate on the pulse light intensity.

Paper Details

Date Published: 1 December 1991
PDF: 12 pages
Proc. SPIE 1559, Photopolymer Device Physics, Chemistry, and Applications II, (1 December 1991); doi: 10.1117/12.50670
Show Author Affiliations
Charles E. Hoyle, Univ. of Southern Mississippi (United States)
Per-Erik Sundell, Univ. of Southern Mississippi (United States)
Martin A. Trapp, Univ. of Southern Mississippi (United States)
Doekman Kang, Univ. of Southern Mississippi (United States)
D. Sheng, Univ. of Southern Mississippi (United States)
Rajamani Nagarajan, Univ. of Southern Mississippi (United States)


Published in SPIE Proceedings Vol. 1559:
Photopolymer Device Physics, Chemistry, and Applications II
Roger A. Lessard, Editor(s)

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