Copolymerization of tetrafluoroethylene with ethylene induced by ionizing radiation

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Abstract
Radiation‐induced copolymerization of tetrafluoroethylene with ethylene was carried out. It was found from this investigation that the composition of copolymers varied continuously in a wide range of molar concentrations of one component. The melting point of the copolymers obtained varied continuously with the molar concentration of one component in monomer mixture between the melting points of both homopolymers. The x‐ray diffraction measurements showed that the copolymer obtained was crystalline. The copolymerization proceeds by a radical mechanism. It was concluded that both the energy transfer to ethylene from tetrafluoroethylene during irradiation and great affinity of hydrogen atom for fluorine atom would play an important role in the copolymerization.

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