IMPACT TENSILE PROPERTIES OF ETHYLENE-BASED IONOMERS

被引：1

作者：

MURAKAMI, A

OHARA, H

YOSHIKI, T

机构：

[1] Department of Chemical Engineering, Himeji Institute of Technolog, Himeji

来源：

KOBUNSHI RONBUNSHU | 1979年 / 36卷 / 02期

关键词：

Ethylene Based Ionomer; Fracture Energy; Impact Property; Ioncluster; Molecular Relaxation; Sodium Salt; Zinc Salt;

D O I：

10.1295/koron.36.73

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A study has been made on the impact tensile behaviors of ethylene-based copolymers (containing about 8.3 mol-% methacrylic acid units and about 3.9 mol-% acrylic acid units) and of these partially ionized sodium and zinc salts. Sodium salts have an inclination of a ductile fracture and the fracture energy does not depend on degree of ionization. While, zinc salts show a brittle fracture and the fracture energy decreases with increasing degree of ionization considerably. The molecular relaxation of zinc salts could not be in high response to the impact loading in comparison with that of sodium salts. Swelled sodium salts of ethylene methacrylic acid show lower yield strength and higher elongation than dried sodium salts. It is suggested that the ioncluster is destroyed and the hydrocarbon chain is plastcized by increasing humidities. © 1979, The Society of Polymer Science, Japan. All rights reserved.

引用

页码：73 / 79

页数：7

共 9 条

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[2]

EISENBERG A, 1974, J POLYM SCI PS, V45, P99

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