Citation: ZHANG Hongzhi, MENG Xiansheng, FENG Xinde. DICATIONICALLY LIVING CHAINS: COPOLYMERIZATION OF TETRAHYDROFURAN WITH PROPYLENE OXIDE AND SYNTHESIS OF THE TELECHELIC OLIGOMERS*[J]. Chinese Journal of Polymer Science, ;1985, 3(4): 400-404. shu

DICATIONICALLY LIVING CHAINS: COPOLYMERIZATION OF TETRAHYDROFURAN WITH PROPYLENE OXIDE AND SYNTHESIS OF THE TELECHELIC OLIGOMERS*

Received Date: 30 July 1985

The living chains were obtained in the bulk copolymerization of tetrahydrofuran (THF) withpropylene oxide (PO) (10--20 wt.%) initiated by adipoyl chloride (AC)AgC104 ([ACl0,=0.02-0.09 mo1.1-1) catalyst at-10--0℃ without chain termination and transfer reactions. The estimationof reactivity ratios gave values of 0.8±0.2 and 0.08±0.03 for THF and PO, respectively. The func-tionality of living chains with 10% PO in the feed is close to 2. Four different telechelic THF-PO co-polymers with amine or hydroxyl end-grpups [P(THF-co-PO)R,where R=-NHBu、-NHPh,-NET2 or -OH were synthesized.
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