Toughening of Epoxy with Preformed Polyethylene Thermoplastic Filler

被引：14
|
作者：
Chaudhary, Saurabh [1 ,2 ]
Parthasarathy, Surekha [1 ]
Mangla, Vikas [3 ]
Kumar, Devendra [2 ]
Roy, Prasun Kumar [1 ]
机构：
[1] DRDO, Ctr Fire Explos & Environm Safety, Timarpur, India
[2] Delhi Technol Univ, Dept Appl Chem & Polymer Technol, Delhi, India
[3] DRDO, Terminal Ballist Res Lab, Chandigarh, India
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2015年 / 54卷 / 09期
关键词：
Toughening; Epoxy; Thermoplastic; MECHANICAL-BEHAVIOR; FRACTURE-TOUGHNESS; LDPE FILMS; DEGRADATION; RESIN;
D O I：
10.1080/03602559.2014.979502
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 potential of polyethylene as a thermoplastic filler towards improving the fracture properties of epoxy resin was explored. Oxo-degradable films were subjected to thermo-oxidative exposure, and the oxidized polyethylene (OPE) was extracted with acetone to remove low molecular weight products (APE). The presence of functionalities led to its homogenous dispersion in the epoxy matrix. Blending of epoxy with OPE and APE led to significant improvement in both quasi-static and impact properties, as evidenced by 44% increase in G(IC) and 21% increase in impact strength at loadings of 3% w/w. The strain rate sensitivity of the composites was also investigated.
引用
收藏
页码：907 / 915
页数：9
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