Abstract
Abstract Some solid polymers containing initiator of radical polymerization of vinyl monomers can initiate graft polymerization by heating in air or in vacuo prior to polymerization. In the experiment on polyethylene film containing benzoyl peroxide (monomer: methyl methacrylate), the increase of time (from 0 to 60 min.) and the rise of temperature (from 20 to 120°C) in pre-heating procedure increase the graft polymerization rate. And also, the increase of time interval after pre-heating until polymerization results in the decrease of the graft polymerization rate.
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