Synthesis and Properties of Novel di-TMPTA/EEC/MSMA/ZnO Thermal Resistance and UV-shielding Organic/Inorganic Nanocomposites.

• Main Authors: Chang, Shu-Hua, 張書華
• Other Authors: Cheng, Pao-Swu
• Format: Others
• Language: zh-TW
• Published: 2013
• Online Access: http://ndltd.ncl.edu.tw/handle/53205176034439438233

碩士 === 國立高雄師範大學 === 化學系 === 101 === This research is to synthesis di-TMPTA/EEC/MSMA/ZnO nanocomposite materials with high heat resistance, good transparence, UV-shielding and anti-static properties. Firstly, coupling agent, MSMA was performed the silanol intermediates by hydrolysis in pH2~3 acid solution. The inorganic anti-static fillers of powder ZnO (average particle size 2~5 µm) could be successfully coupled and crosslinked to di-TMPTA/EEC organic matrices with these silanol of intermediates. Many remained active Si-OH and Zn-OH groups of the MSMA/ZnO complexes could network bonded with EEC prepolymers. Therefore, the EEC/MSMA/ZnO complexes with good anti-static composites would be successfully prepared. Finally, in order to improve the thermal resistant and mechanical properties, polyfunctionalized di-TMPTA acrylate monomers, PMDA curing agent, VSZ crosslinking agent, and EEC/MSMA/ZnO composites were chain polymerized by UV-activated polymerization to form a perfectly cross-linked structures of orgaic/inorganic nanocomposites. The chemical bonding formations and the best weight contents of reaction components were identified by FT-IR spectra. The thermal resistance, optical transmittance, surface anti-electronic resistance, and hardness of these nanocomposites are measured by TGA, UV-Vis, super megohmmeter and pencil hardness tester respectively. Experimental results showed that these nanocomposites had 95% transmittance in the visible regions and the best Td value of these nanocomposites was 407.04℃ which was 164.52℃ higher than that of pure EEC epoxy resin respectively. The surface resistances of di-TMPTA/EEC/MSMA/ZnO hybrid thin films were decreased from 5.34×1013to 6.32×108 Ω/ cm2. The hardness of these nanocomposites was as high as 8H, and those hybrid films had good UV-shielding properties. The morphology structures of these hybrid thin films were estimated by FE-SEM. These results showed that the optical thin films were evenly distributed with inorganic nanofiller particles and the average particle size of these nanocomposites was 20~80 nm.