chapter 6 polymerization conditions and polymer reactions 6 1 polymerization in homogeneous systems 6 2 polymerization in heterogeneous systems 6 3 polymerization reaction engineering 6 4 chemical reactions of polymers ...
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...Chapter polymerization conditions and polymer reactions in homogeneous systems heterogeneous reaction engineering chemical of polymers the techniques involve pure monomer or solutions is a solvent these can be divided into methods bulk solution polymerizations advantages simplest technique produces highest purity only soluble initiator chain transfer agent to control molecular weight are used this method practiced widely manufacture condensation continued easy recovery for cast final product forms viscosity mixture still low allow ready mixing heat bubble elimination disadvantages free radical typically highly exothermic an increase temperature will pol n rate generate dissipation tendency develop localized hot spots near end very high difficult as trapped inside termination overall production autoacceleration process trommsdroff gel effect seldom commercial e g ps pmm...