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Preparation of Polypropylene/Clay Nanocomposites Using Aminosilane Treated Clay  

Hong Chae-Hwan (Hyundai-Kia Motors Co., Ltd.)
Bae Jin-Woo (Department of Chemical and Biological Engineering, Seoul National University)
Lee Yong-Bum (Hyundai-Kia Motors Co., Ltd.)
Lee Choon-Soo (Hyundai-Kia Motors Co., Ltd.)
Jho Jae-Young (Department of Chemical and Biological Engineering, Seoul National University)
Nam Byeong-Uk (Department of Chemical Engineering, Korea University of Technology Education)
Publication Information
Polymer(Korea) / v.30, no.4, 2006 , pp. 318-325 More about this Journal
Abstract
Polypropylene-clay nanocomposites were studied by the modification of clay with amino silanes to introduce covalent bonds in nanocomposites, and prepared by melt-compounding with polypropylene, clay modified with amino silanes and maleic anhydride grafted polypropylene. The . .structure and surface properties of modified clay were determined by x-ray diffraction, infrared spectrum, and solid-state $^{29}Si$ nuclear magnetic resonance spectrum. The modification of clay with aminosilanes led to the increase of the silicate interlayers to about $19.8{\AA}$, the weakening effects of hydroxy group at $3650cm^{-1}$ and the signal of amine groups at -69 ppm proved that the modification had taken place.
Keywords
polypropylene; clay; nanocomposites; modification; aminosilane;
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