エチレン〜シクロヘキサン〜エチレン-四塩化炭素テロマー系の反応 : エチレンの放射線溶液重合(第3報)

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In the previous reports, we have suggested that the radiation-induced reaction of ethylene in a mixed solvent of cyclohexane and carbon tetrachloride may consist of two succeeding steps ; firstly, the formation of ethylene-carbon tetrtrachloride telomer, and secondly, the grafting reaction of ethylene onto the telomer. Therefore, when the telomer is used instead of carbon tetrachloride, it may be expected that only the second reaction occurs.<BR>In the system of ethylene, cyclohexane, and an ethylene-carbon tetrachloride telomer, the yield of solid products increased linearly with increasing dose. Results of the differential thermal analysis showed that the products contained two components corresponding to the products of high melting points obtained in ethylenecyclohexane-carbon tetrachloride systems.<BR>Results suggested that only grafting reactions occurred and that the grafted branch grew fairly long.
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