Characterization of Novel Epoxy Composites Based on Hybrid Inorganic/Organic Polyhedral Oligomeric Silsesquioxane

被引：15
作者：
Constantin, Floriana [1 ]
Garea, Sorina Alexandra [1 ]
Sandu, Teodor [1 ]
Iovu, Horia [1 ]
机构：
[1] Univ Politehn Bucuresti, Dept Polymer Sci & Technol, 149 Calea Victoriei, Bucharest 010072, Romania
来源：
INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION | 2010年 / 15卷 / 02期
关键词：
Glass transition; Polyhedral oligomeric silsesquioxane (POSS); Raman spectroscopy; X-ray photoelectron spectroscopy (XPS); THERMAL-PROPERTIES; POSS; NANOCOMPOSITES;
D O I：
10.1080/10236660903522148
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
New nanocomposites were synthesized by the reaction between a polyhedral oligomeric silsesquioxane (POSS) with eight epoxy groups (epoxy-POSS) and diglycidyl ether of bisphenol A (DGEBA) using Jeffamine D230 as curing agent. The reactivity of the systems was extensively studied by Raman spectroscopy. The hybrid materials were characterized by different techniques like thermogravimetric analysis, dynamical mechanical analysis, X-ray photoelectron spectroscopy, differential scanning calorimetry, and scanning electron microscopy. The oSi-O-Sio cages of the POSS component form aggregates, which was shown by the conversion data obtained from the Raman spectra and confirmed by the DSC curves, XPS spectra, and SEM images.
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页码：119 / 128
页数：10
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