Unsaturated polyester/bentonite nanocomposites: Influence of clay modification on final performance

被引：73
作者：
Oilier, Romina [1 ]
Rodriguez, Exequiel [1 ]
Alvarez, Vera [1 ]
机构：
[1] Natl Univ Mar del Plata, Composite Mat Grp CoMP, Res Inst Mat Sci & Technol INTEMA, Fac Engn, Mar Del Plata, Buenos Aires, Argentina
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2013年 / 48卷
关键词：
Nano-structures; Polymer-matrix composites (PMCs); Mechanical properties; Thermosetting resin; THERMAL-STABILITY; WATER-UPTAKE; PHOSPHONIUM-MONTMORILLONITE; QUATERNARY PHOSPHONIUM; POLYESTER; BEHAVIOR; DEGRADATION; DISPERSION; PROPERTY; CATIONS;
D O I：
10.1016/j.compositesa.2013.01.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, unsaturated polyester/bentonite nanocomposites were obtained and characterized. The bentonite used was unmodified and with different chemical treatments. The effects of these different chemical modifications (cation exchange reactions with quaternary ammonium and phosphonium salts) of this clay as well as the effect of clay content on the thermal, barrier (water absorption), mechanical (flexural) and dynamic-mechanical properties of unsaturated polyester matrix were analyzed. The results clearly show that the chemical modifications of the clay cause a desired effect on its final properties improving the performance of the nanocomposites. The enhancements could be directly related to the dispersion of the clay inside the matrix, as shown by transmission electron microscopy. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：137 / 143
页数：7
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