Title: Grafting of Tetrafluoroethylene onto Polyethylene by Pre-irradiation Technique
Abstract: Abstract Grafting of tetrafluoroethylene onto polyethylene was carried out by a pre-irradiation technique. It was found that grafting proceeds very rapidly at -35°C in the liquid phase of tetrafluoroethylene. Takathene, which was prepared by a radiation process at Takasaki Radiation Chemistry Research Establishment, was found to be most suitable for grafting compared to other polyethylenes. The specific surface is extremely high in the Takathene, and this may be the most important reason for the high grafting speed. On the other hand, IR measurements of the grafted copolymers showed a characteristic absorption band at 1110 cm-1 which may be attributed to the structure of the grafting (branching) position. It was also found that grafted polytetrafluoroethylene can be crystallized during grafting. This is the first case of grafted polymers being in a crystalline state.
Publication Year: 1971
Publication Date: 1971-07-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 6
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