MECHANICAL RELAXATION AND INTERMOLECULAR INTERACTION IN EPOXY RESINS/POLY (ETHYLENE OXIDE) BLENDS CURED WITH PHTHALIC ANHYDRIDE*

LUO Xiaolie; ZHENG Sixun; MA Dezhu; HU Keliang

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MECHANICAL RELAXATION AND INTERMOLECULAR INTERACTION IN EPOXY RESINS/POLY (ETHYLENE OXIDE) BLENDS CURED WITH PHTHALIC ANHYDRIDE*

Papers | Updated：2021-06-21

- MECHANICAL RELAXATION AND INTERMOLECULAR INTERACTION IN EPOXY RESINS/POLY (ETHYLENE OXIDE) BLENDS CURED WITH PHTHALIC ANHYDRIDE*
- Vol. 13, Issue 2, Pages: 144-153(1995)
- Affiliations：
  
  1.   Department of Materials Science and Engineering
  2.   University of Science and Technology of China
  3.   Hefei 230026
  4.   Academia Sinica Structure Research Laboratory USTC
- Author bio：
- Funds：
- DOI：
  CLC： TQ317
- Published：20 June 1995
- Accepted：
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[1]罗筱烈,郑思珣,马德柱,胡克良.MECHANICAL RELAXATION AND INTERMOLECULAR INTERACTION IN EPOXY RESINS/POLY (ETHYLENE OXIDE) BLENDS CURED WITH PHTHALIC ANHYDRIDE[J].Chinese Journal of Polymer Science,1995,{4}(02):144-153.

LUO Xiaolie, ZHENG Sixun, MA Dezhu, et al. MECHANICAL RELAXATION AND INTERMOLECULAR INTERACTION IN EPOXY RESINS/POLY (ETHYLENE OXIDE) BLENDS CURED WITH PHTHALIC ANHYDRIDE*[J]. 1995, 13(2): 144-153.
[1]罗筱烈,郑思珣,马德柱,胡克良.MECHANICAL RELAXATION AND INTERMOLECULAR INTERACTION IN EPOXY RESINS/POLY (ETHYLENE OXIDE) BLENDS CURED WITH PHTHALIC ANHYDRIDE[J].Chinese Journal of Polymer Science,1995,{4}(02):144-153. DOI：

LUO Xiaolie, ZHENG Sixun, MA Dezhu, et al. MECHANICAL RELAXATION AND INTERMOLECULAR INTERACTION IN EPOXY RESINS/POLY (ETHYLENE OXIDE) BLENDS CURED WITH PHTHALIC ANHYDRIDE*[J]. 1995, 13(2): 144-153. DOI：

摘要

<正> The miscibility of the blend

composed of a bisphenol A epoxy resins （Diglycidyl etherof bisphenol A）（DGEBA） and poly（ethylene oxide）（PEO） and crosslinked by phthalicanhydride （PA） was studied using dynamic mechanical method. Single glass transitiontemperatures intermediate between the two pure components were observed for all blendlevels. The secondary relaxation mechanism should relate to not only diester linkage

butalso hydroxyether structural unit in the system. Fourier transform infrared spectroscopy（FTIR） is applied to study the curing reaction and intermolecular specific interaction of thesystem. The results indicate the PEO participates the crosslinking reaction

accelerates thecuring reaction and make the reaction more perfect. The shifts of the hydroxyl band andcarbonyl band demonstrate the presence of the intermolecular interaction in the curedblend. Moreover

the molecular interaction between the side hydroxyl in the hydroxyetherunits and the ether bond in PEO macromolecules is stronger.

Abstract

The miscibility of the blend

the molecular interaction between the side hydroxyl in the hydroxyetherunits and the ether bond in PEO macromolecules is stronger.

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