STUDY OF THE INTERPENETRATING POLYMER NETWORKS OF POLYACRYLATE AND EPOXY Ⅲ RUBBER ELASTIC MODULUS AND MUTUAL ENTANGLEMENTS

TAN Susheng

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STUDY OF THE INTERPENETRATING POLYMER NETWORKS OF POLYACRYLATE AND EPOXY Ⅲ RUBBER ELASTIC MODULUS AND MUTUAL ENTANGLEMENTS

Research Article | 更新时间：2021-03-19

- STUDY OF THE INTERPENETRATING POLYMER NETWORKS OF POLYACRYLATE AND EPOXY Ⅲ RUBBER ELASTIC MODULUS AND MUTUAL ENTANGLEMENTS
- Acta Polymerica Sinica Issue 1, Pages: 43-48(1997)
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- Published：20 February 1997，
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TAN Susheng. STUDY OF THE INTERPENETRATING POLYMER NETWORKS OF POLYACRYLATE AND EPOXY Ⅲ RUBBER ELASTIC MODULUS AND MUTUAL ENTANGLEMENTS. [J]. Acta Polymerica Sinica (1):43-48(1997)
DOI：

TAN Susheng. STUDY OF THE INTERPENETRATING POLYMER NETWORKS OF POLYACRYLATE AND EPOXY Ⅲ RUBBER ELASTIC MODULUS AND MUTUAL ENTANGLEMENTS. [J]. Acta Polymerica Sinica (1):43-48(1997) DOI：

摘要

采用一步法（Ｓｉｍｕｌｔａｎｅｏｕｓｌｙ）合成了双组分的聚丙烯酸酯／环氧树脂互穿网络聚合物（ＩＰＮｓ）．选择预溶胀方法制备了聚丙烯酸酯和环氧树脂两种组分网络．测定了各种组分比的ＩＰＮ和不同溶胀度下的组分网络的动态力学性能

从橡胶态弹性理论出发讨论了ＩＰＮ和预溶胀网络之间在橡胶态弹性模量上的关系

并据此指出互穿缠结增加了网络的有效“交联密度”

因此

它对ＩＰＮ的橡胶态弹性模量有较大的贡献．密度测量的结果也提供了另一方面的证据

Abstract

The binary interpenetrating polymer networks (IPNs) of polyacrylate and epoxy were synthesized simultaneously

and the polyacrylate network and the epoxy network were prepared by the preswollen method.The dynamic mechanical properties of the PEGDA/EPO IPNs with various composition ratios and the preswollen “pure” component networks were characterized by means of viscoelastic analyzer.From the rubber elastic theorical point of view

the relation between the modulus of the PEGDA/EPO IPNs and that of the PEGDA and EPO preswollen networks were discussed.It refered that the interpenetrating or mutual entanglements between the two component networks increased the effective"cross-link density"

which contributed to the increased modulus of the IPNs.The measurements of the densities of the PEGDA/EPO IPNs implied the same facts also.

关键词

聚丙烯酸酯环氧树脂互穿网络聚合物预溶胀网络橡胶态弹性模量互穿缠结密度

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