Radiation-Induced Polymerization of Styrene
in Highly Concentrated Emulsions¹

V. I. Lukhovitskii, A. I. Karpo, V. V. Polikarpov, V. R. Duflot,
Yu. N. Korneev, and A. L. Uzyumnikov^†

Karpov Institute of Physical Chemistry, State Research Center of the Russian Federation (Obninsk Branch),
Obninsk, Kaluzhskaya oblast, 249020 Russia

Received May 18, 1998;
Revised Manuscript Received August 26, 1998

Abstract—For radiation-induced polymerization of styrene in highly concentrated (gel-like) emulsions, the
effect of the initiation rate on the kinetics of polymerization and the molecular mass of the resulting polymer
was studied. It was found that the rate of initiation (irradiation intensity) does not affect the rate of polymeriza-
tion, the number of latex particles, and the duration of the first stage. The molecular mass of polystyrene varies
in inverse proportion to the radiation intensity, and its molecular mass distribution corresponds to the Flory dis-
tribution.

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