Abstract
A kinetic model which describes the network structure development during free-radical crosslinking copolymerization is proposed. The model was successfully applied to various batch copolymerization systems such as methyl methacrylate/methylene glycol dimethacrylate, styrene p- divinylbenzene , styrene/ethylene glycol dimethacrylate, and acrylamide N,N′- methylene-bis-acrylamide . The model calculations suggest that polymer networks synthesized by free-radical copolymerization are, in general, inhomogeneous at least on a microscopic scale. This model can be used to control the network structure, and a semi-batch policy to produce homogeneous polymer networks is proposed.
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