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Hybrid materials based on poly(n-butyl methacrylate-co-(3-(methacryloxypropyl)) trimethoxysilane) were synthesized via a sol–gel process. From a phase behavior study of these hybrid materials using a differential scanning calorimeter (DSC) and solid-state nuclear magnetic resonance (NMR) spectroscopy, it was found that the hybrid system was miscible for organic and inorganic phases with low silane...
Poly(acrylic acid) is a water soluble polymer, which has a high glass transition temperature of ca. 102°C. However, when silica (20% of TEOS) was incorporated via sol–gel process, it was found that glass transition temperature of the hybrid material decreased drastically. From the analysis of infrared spectra, this phenomenon can be attributed to the decreasing of hydrogen bonding between carboxyl...
In this research, hybrid materials based on poly(methyl methacrylate) and silica were synthesized via sol–gel process. Their glass transition behavior was investigated by differential scanning calorimeter. In DSC measurement, 180°C heat-treated hybrid materials exhibited higher miscibility as compared to untreated materials. Relationship between miscibility variation of hybrid materials and heat treatment...
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