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Polyurethane / Clay Nanocomposites 의 제조와 특성에 관한 연구
장영욱,조명운 한국공업화학회 2000 응용화학 Vol.4 No.1
A polyurethane(PU)/clay nanocomposite based on poly(tetramethylene glycol)(PTMG), trifunctional polyisocyanate and montmorillonite was synthesized. It was found that montmorillonite exchanged with long chain opium ions are easily solvated by PTMG. After the polyol dispersed clay was cured with polyisocyanate, tensile modulus and tensile strength as well as the tensile strain was increased. And, the cured film was transparent. The structure/property relationships of these filled polyurethane elastomers were investigated.