화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.11, No.5, 769-772, September, 2005
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Preparation and Rheological Characteristics of Poly(ε-caprolactone)/Organoclay Nanocomposites
Hee Bong Kim, Chung Ho Lee, Joon Soon Choi, Bong Jun Park, Sung Taek Lim1, and Hyoung Jin Choi†
  • Department of Polymer Science and Engineering, Inha University, Incheon 402-751, Korea
  • 1Central R&D Institute, Samsung Electro-Mechanics Co., Suwon, Gyunggi-Do 443-743, Korea
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Poly(ε-caprolactone) (PCL)/organoclay nanocomposites were prepared using a solvent casting method, and then the effects that the organoclay content has on nanoscopic internal structure and rheological properties of the PCL/organclay nanocomposites were investigated. From an XRD diffractogram, we could confirm the increased interlayer spacing in OMMT that was due to insertion of the polymer chain. This intercalated structure was further analyzed using rheometry; the remarkable increases in the shear viscosity (η) and elasticity (G') over a critical clay concentration suggest the formation of a solid-like structure. This solid-like structure was also verified by both the Cox-Merz rule and the Carreau model.
Keywords:poly(ε-caprolactone);organoclay;nanocomposite;rheology;solid-like structure
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