SYNTHESIS OF AN EPOXY-TERMINATED HYPERBRANCHED AROMATIC POLYESTER*

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SYNTHESIS OF AN EPOXY-TERMINATED HYPERBRANCHED AROMATIC POLYESTER*

Papers | Updated：2021-06-21

- SYNTHESIS OF AN EPOXY-TERMINATED HYPERBRANCHED AROMATIC POLYESTER*
- Vol. 20, Issue 6, Pages: 585-590(2002)
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- Published：20 December 2002
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SYNTHESIS OF AN EPOXY-TERMINATED HYPERBRANCHED AROMATIC POLYESTER*[J]. 2002, 20(6): 585-590.
DOI：

SYNTHESIS OF AN EPOXY-TERMINATED HYPERBRANCHED AROMATIC POLYESTER*[J]. 2002, 20(6): 585-590. DOI：

摘要

An epoxy-terminated hyperbranched aromatic polyester (P3) was synthesized from a hyperbranched aromaticpolyester containing carboxylic acid end groups (P1)

which was derived from the condensation polymerization of the AB_2monomer

5-acetoxyisophthalic acid. Polymer P1 was converted into the polymeric acid chloride by reaction with thionylchloride. The acid chloride was reacted with ethanol and glycidol to form a poly(ethyl ester) (P2) and an epoxy terminatedmaterial (P3)

respectively.The reaction conditions in each step of these processes had to be controlled very carefully to avoid unwanted cross-linking reactions.The characterization of products and intermediates

including molecualr weight distributions and thermal properties

are reported.

Abstract

An epoxy-terminated hyperbranched aromatic polyester (P3) was synthesized from a hyperbranched aromaticpolyester containing carboxylic acid end groups (P1)

which was derived from the condensation polymerization of the AB_2monomer

respectively.The reaction conditions in each step of these processes had to be controlled very carefully to avoid unwanted cross-linking reactions.The characterization of products and intermediates

including molecualr weight distributions and thermal properties

are reported.

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