THE EFFECTS OF MONOMER STRUCTURE OF CYCLIC KETENE ACETALS ON THE BEHAVIOR OF CONTROLLED RADICAL RING-OPENING POLYMERIZATION*

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THE EFFECTS OF MONOMER STRUCTURE OF CYCLIC KETENE ACETALS ON THE BEHAVIOR OF CONTROLLED RADICAL RING-OPENING POLYMERIZATION*

Papers | Updated：2021-06-21

- THE EFFECTS OF MONOMER STRUCTURE OF CYCLIC KETENE ACETALS ON THE BEHAVIOR OF CONTROLLED RADICAL RING-OPENING POLYMERIZATION*
- Vol. 20, Issue 1, Pages: 9-14(2002)
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- Published：20 February 2002
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THE EFFECTS OF MONOMER STRUCTURE OF CYCLIC KETENE ACETALS ON THE BEHAVIOR OF CONTROLLED RADICAL RING-OPENING POLYMERIZATION*[J]. 2002, 20(1): 9-14.
DOI：

THE EFFECTS OF MONOMER STRUCTURE OF CYCLIC KETENE ACETALS ON THE BEHAVIOR OF CONTROLLED RADICAL RING-OPENING POLYMERIZATION*[J]. 2002, 20(1): 9-14. DOI：

摘要

Polymerization of three cyclic ketene acetals: i.e.

6-benzo-2-methylene-1

3-dioxepane (BMDO)

2-methylene-4-phenyl-1

3-dioxolane (MPDO) and 4

7-dimethyl-2-methylene-1

3-dioxepane(DMMDO) were carried out in the presence ofethyl α-bromobutyrate/CuBr/2

2'-bipyridine respectively. The structures of poly(BMDO)

poly(MPDO) and poly(DMMDO)were characterized by 1H and 13C-NMR spectra. The effects of monomer structure on the behavior of atom transfer freeradical ring-opening polymerization were investigated and the mechanism of controlled free radical ring-opening polymerization was discussed.

Abstract

Polymerization of three cyclic ketene acetals: i.e.

6-benzo-2-methylene-1

3-dioxepane (BMDO)

2-methylene-4-phenyl-1

3-dioxolane (MPDO) and 4

7-dimethyl-2-methylene-1

3-dioxepane(DMMDO) were carried out in the presence ofethyl α-bromobutyrate/CuBr/2

2'-bipyridine respectively. The structures of poly(BMDO)

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