A novel compatibilizer for the toughening of unsaturated polyester resins

被引：15

作者：

Ragosta, G ^{[1
]}

Bombace, M ^{[1
]}

Martuscelli, E ^{[1
]}

Musto, P ^{[1
]}

Russo, P ^{[1
]}

Scarinzi, G ^{[1
]}

机构：

[1] Natl Res Council, Inst Res & Technol Plast Mat, I-80072 Arco, Na, Italy

来源：

JOURNAL OF MATERIALS SCIENCE | 1999年 / 34卷 / 05期

关键词：

Rubber; Fracture Surface; Infrared Spectroscopy; Reaction Process; Strong Reduction;

D O I：

10.1023/A:1004596028476

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A block-copolymer of the type A-B-A was synthesized from a commercial polybutadiene rubber (PBD) and an unsaturated polyester (UP) prepolymer. The reaction process was monitored via Fourier transform-infrared spectroscopy. The obtained copolymer was used as compatibilizing agent for UP/PBD blends. Fracture measurements performed on the cured materials demonstrated a substantial enhancement of tougheness in the presence of the copolymer. The morphological analysis of the fracture surfaces showed that the presence of the compatibilizing agent produced a strong reduction of the site of the rubber particles, a better interface adhesion and an increase of localized shear yielding in the UP matrix around the rubber particles. (C) 1999 Kluwer Academic Publishers.

引用

页码：1037 / 1044

页数：8

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