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Citation: LIN WEN-THE, CHEN GING-XUNG, HUNG SHI-JUNG, CHOW XIN-YUE, HSU TIAN-FEE, HUANG WEI-YUAN. TELOMERIZATION OF FLUORO-OLEFINS 1. TELOMERIZATION OF TETRAFLUOROETHYLENE WITH LOWER ALIPHATIC ALCOHOLS[J]. Acta Polymerica Sinica, ;1964, 6(5): 363-369. shu

TELOMERIZATION OF FLUORO-OLEFINS 1. TELOMERIZATION OF TETRAFLUOROETHYLENE WITH LOWER ALIPHATIC ALCOHOLS

A new initiator system，di-tert-butyl peroxide in the presence of MgO or BaO，has been proposed for the telomerization of tetrafluoroethylene with lower aliphatic alcohols．Comparative studies showed that the presence of BaO enhanced the rate Of telomeriza-tion and increased the total yield of telomers，as well as lowered the average molecular weight of telomers．This effect i decreased in the following order：methanol>ethanol>iso-propyl alcohol．The telomerization was studied over a wide range of C2F4 alcohol molar ratios．The yield of 1：1 adduct could be satisfactorily controlled by means of the molar ratio． In the case of methanol，the percentage yield of 1：1 adduct was increased from 25．8 to 57％ by increasing the molar ratio from 0.10 to 0.28．The chain transfer constant was found to follow qualitatively the sequence：methanol
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