Abstract
The stable concentrated emulsions of methyl methacrylate-butyl acrylate(MMA-BA) are prepared using sodium dodecyl sulfate(SDS) and cetyl alcohol(CA) as the compound surfactants,polyvinyl alcohol(PVA) as the reinforcer of liquid films.A novel method of polymerization,the thin layer copolymerization of the concentrated emulsion,was carried out with benzoyl peroxide/N,N′-dimethyl aniline(BPO/DMA) as redox initiators at low temperature.Effects of categories of the reinforcer of liquid films and the polymerization environment on polymerization stability were introduced.The effect of the thickness and area of films,the outside temperature,and environment of polymerization on the amount of volatilization were investigated.The conversion comparison of the thin layer polymerization with the tube polymerization and the effect of polymerization environment on the polymerization rate were discussed also.The size and distribution of particle diameter and morphology of latex particles were determined with TEM.
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