TOUGHENING BEHAVIOR OF RUBBER-MODIFIED THERMOPLASTIC POLYMERS INVOLVING VERY SMALL RUBBER PARTICLES .1. A CRITERION FOR INTERNAL RUBBER CAVITATION

被引：165

作者：

DOMPAS, D ^{[1
]}

GROENINCKX, G ^{[1
]}

机构：

[1] CATHOLIC UNIV LEUVEN,MACROMOLEC STRUCT CHEM LAB,CELESTIJNENLAAN 200F,B-3001 HEVERLEE,BELGIUM

来源：

POLYMER | 1994年 / 35卷 / 22期

关键词：

RUBBER TOUGHENING; PARTICLE SIZE; RUBBER CAVITATION;

D O I：

10.1016/0032-3861(94)90727-7

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The criteria for internal cavitation of rubber particles have been evaluated. It is shown that internal rubber cavitation can be considered as an energy balance between the strain energy relieved by cavitation and the surface energy associated with the generation of a new surface. The model predicts that there exists a critical particle size for cavitation. Very small particles (100-200 nm) are not able to cavitate. This critical-particle-size concept explains the decrease in toughening efficiency in different rubber-modified systems involving very small particles.

引用

页码：4743 / 4749

页数：7

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