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

ZHANG Hongzhi; MENG Xiansheng; FENG Xinde

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

Papers | Updated：2021-06-21

- DICATIONICALLY LIVING CHAINS: COPOLYMERIZATION OF TETRAHYDROFURAN WITH PROPYLENE OXIDE AND SYNTHESIS OF THE TELECHELIC OLIGOMERS*
- Vol. 3, Issue 4, Pages: 400-404(1985)
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- Published：20 December 1985
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ZHANG Hongzhi, MENG Xiansheng, FENG Xinde. DICATIONICALLY LIVING CHAINS: COPOLYMERIZATION OF TETRAHYDROFURAN WITH PROPYLENE OXIDE AND SYNTHESIS OF THE TELECHELIC OLIGOMERS*[J]. 1985, 3(4): 400-404.
DOI：

ZHANG Hongzhi, MENG Xiansheng, FENG Xinde. DICATIONICALLY LIVING CHAINS: COPOLYMERIZATION OF TETRAHYDROFURAN WITH PROPYLENE OXIDE AND SYNTHESIS OF THE TELECHELIC OLIGOMERS*[J]. 1985, 3(4): 400-404. DOI：

摘要

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.

Abstract

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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