Determination of kinetic rate constants by pulsed laser polymerization

Alexander V. Evseev; A. N. Nikitin

doi:10.1117/12.234221

1 March 1996 Determination of kinetic rate constants by pulsed laser polymerization

Alexander V. Evseev, A. N. Nikitin

Proceedings Volume 2713, Fifth International Conference on Industrial Lasers and Laser Applications '95; (1996) https://doi.org/10.1117/12.234221
Event: Fifth International Conference on Industrial Laser and Laser Applications '95, 1995, Shatura, Moscow, Russian Federation

Abstract

The analytical expressions have been derived to calculate molecular weight distributions (MWDs) for a polymerization scheme that contains reactions of chain initiation, propagation and termination by recombination or disproportionation under polymerization initiation by arbitrary sequence of radiation pulses. These expressions can be applied to study MWD on initiation of polymerization both by arbitrary-duration pulses and by cw beam. MWDs calculated for methylmethacrylate polymerization by pulses sequence with different energy density are presented. Simple relations are derived for determination of chain termination constant k_t from chains number distributions.

Citation Download Citation

Alexander V. Evseev and A. N. Nikitin "Determination of kinetic rate constants by pulsed laser polymerization", Proc. SPIE 2713, Fifth International Conference on Industrial Lasers and Laser Applications '95, (1 March 1996); https://doi.org/10.1117/12.234221

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