Citation: PENG Yuxing, LIU Jialin, DAI Hansong, CUN Linfeng. STUDY ON THE CATIONIC POLYMERIZATION OF 1, 3-PENTADIENE INITIATED BY AlCl3/ALKYL HALIDE SYSTEMS[J]. Chinese Journal of Polymer Science, ;1996, 14(1): 91-96. shu

STUDY ON THE CATIONIC POLYMERIZATION OF 1, 3-PENTADIENE INITIATED BY AlCl3/ALKYL HALIDE SYSTEMS

Received Date: 3 January 1995

The cationic polymerizations of 1, 3-pentadiene were initiated by AlCl3 in n-hexaneat 30℃ in the presence of alkyl halides, i.e., tert-butyl chloride, tert-butyl bromide andisobutyl chloride. The effects of these halides on the polymer yield, molecular weight,crosslinking reaction, cyclization and polymer microstructure, have been investigated. Twomain side reactions, crosslinking and cyclization, were suppressed and reduced by theaddition of the halides. The proportion of 1, 4 units of polymer chains was increased by the presence of the halides,which reduced the polymer yield and the molecular weight of polymers.
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