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Several types of polybenzoxazine/clay hybrid nanocomposites have been prepared from organically modified montmorillonite (OMMT) and mono- or bifunctional benzoxazine, 3-phenyl-3,4-dihydro-2H-1,3-benzoxazine (Pa) or bis(3-phenyl-3,4-dihydro-2H-1,3-benzoxazinyl) isopropane (Ba), respectively. OMMT was prepared by a cation exchange of montmorillonite (MMT) with ammonium salts of amines such as tyramine,...
Ethylene propylene diene methylene linkage rubber (EPDM)–clay hybrids have been prepared by mixing with EPDM and organophilic clay via vulcanization process. When we used thiuram and dithiocarbamate for the vulcanization accelerator, EPDM–clay hybrid was prepared successfully. In this EPDM–clay hybrid, the silicate layers of the clay were exfoliated and almost dispersed to the monolayers. The tensile...
Polyamide-imide (PAI) is a high performance condensation polymer, which has high heat resistance and high radiation resistance. Solvent suspensions of PAI are widely used in magnetic wire coatings. Montmorillonite (MMT) nanocomposites were investigated for the concentration effects on dispersion, glass transition, degradation, and mechanical properties. Samples were prepared using a controlled torque...
Samples of polyurethane and organically modified montmorillonite (OMont) were prepared, covering a wide range of inorganic composition, up to 40wt%. They were obtained by a three step process using diphenylmethane diisocyanate, poly( -caprolactone), di(ethylene glycol) and poly( -caprolactone)-OMont (NPCL) nanocomposites. The NPCL nanocomposites were used as soft segments for a partial replacement...
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