Preparation and Characterization of Cyclohexyl Moiety Toughened POSS-Reinforced Epoxy Nanocomposites

被引：11
作者：
Chandramohan, A. [1 ]
Alagar, M. [1 ]
机构：
[1] Anna Univ, Dept Chem Engn, Polymer Nanocomposites Lab, Alagappa Coll Technol, Madras 600025, Tamil Nadu, India
来源：
INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION | 2013年 / 18卷 / 01期
关键词：
mechanical properties; morphology; nanocluster; reinforcement; visual observation; POLYHEDRAL OLIGOMERIC SILSESQUIOXANE; THERMAL-PROPERTIES; MORPHOLOGY; RESIN;
D O I：
10.1080/1023666X.2013.747253
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Polyhedral oligomeric silsesquioxane (POSS)-reinforced epoxy nanocomposites were prepared by reacting commercially available diglycidyl ether of bisphenol-A (DGEBA) and tetraglycidyl diamino diphenyl methane (TGDDM) epoxy resins with 1,1-bis(3-methyl-4-glycidyloxyphenyl)cyclohexane (Cy-Ep) separately and reinforced with POSS nanocluster. POSS (OAPS)-reinforced hybrid Cy-Ep-epoxy resin castings were characterized for their mechanical and morphological properties. The data obtained from mechanical studies indicated that the incorporation of nano OAPS into Cy-Ep modified hybrid systems results in improved stability. Among the epoxy systems studied, the TGDDM-based hybrid epoxy system exhibited higher values of tensile and flexural properties than that of the DGEBA hybrid epoxy system, whereas the impact strength of the DGEBA system was higher than that of the TGDDM system. The dispersion of POSS was confirmed by scanning electron microscopy and visual observation studies.
引用
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页码：73 / 81
页数：9
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