Effect of Functionalized Liquid Rubber on Mechanical Properties of an Epoxy Resin

被引：0
作者：
Vertuccio, Luigi [1 ]
Guadagno, Liberata [2 ]
Barra, Giuseppina [2 ]
Arconati, Vincenzo [1 ]
Catauro, Michelina [1 ]
机构：
[1] Univ Campania Luigi Vanvitelli, Dept Engn, Via Roma 29, I-813031 Aversa, Italy
[2] Univ Salerno, Dept Ind Engn, ViaGiovanni Paolo II 132, I-84084 Fisciano, SA, Italy
来源：
MACROMOLECULAR SYMPOSIA | 2023年 / 411卷 / 01期
关键词：
epoxy resin; infrared spectroscopy; liquid rubber; mechanical properties;
D O I：
10.1002/masy.202200139
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this study, an epoxy resin has been modified with different weight ratios of carboxyl-terminated polybutadiene liquid rubber. The introduction of a pre-reaction catalyst has been necessary to promote the reaction between the epoxy groups and the carboxylic acid groups of carboxyl-terminated butadiene acrylonitrile copolymer. The occurred reaction has been confirmed by infrared spectroscopy analysis. The analysis of the mechanical properties has shown that the presence of elastomeric domains allows obtaining a matrix with greater flexibility. This allows making the material competitive for many applications such as adhesives and composite matrices where a high fracture toughness is required.
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