Polymerization kinetics of mono- and multifunctional monomers initiated by high-intensity laser pulses: dependence of rate on peak-pulse intensity and chemical structure

Charles E. Hoyle; Per-Erik Sundell; Martin A. Trapp; Doekman Kang; D. Sheng; Rajamani Nagarajan

doi:10.1117/12.50670

1 December 1991 Polymerization kinetics of mono- and multifunctional monomers initiated by high-intensity laser pulses: dependence of rate on peak-pulse intensity and chemical structure

Charles E. Hoyle, Per-Erik Sundell, Martin A. Trapp, Doekman Kang, D. Sheng, Rajamani Nagarajan

Author Affiliations +

Proceedings Volume 1559, Photopolymer Device Physics, Chemistry, and Applications II; (1991) https://doi.org/10.1117/12.50670
Event: San Diego, '91, 1991, San Diego, CA, United States

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.

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Charles E. Hoyle, Per-Erik Sundell, Martin A. Trapp, Doekman Kang, D. Sheng, and Rajamani Nagarajan "Polymerization kinetics of mono- and multifunctional monomers initiated by high-intensity laser pulses: dependence of rate on peak-pulse intensity and chemical structure", Proc. SPIE 1559, Photopolymer Device Physics, Chemistry, and Applications II, (1 December 1991); https://doi.org/10.1117/12.50670

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