naa a22 4500 510821030 CHVBK 20180411083532.0 cr unu---uuuuu 180411e20130501xx s 000 0 eng 10.1007/s11814-013-0035-6 doi (NATIONALLICENCE)springer-10.1007/s11814-013-0035-6 Effect of organoclay on non-linear rheological properties of poly(lactic acid)/poly(caprolactone) blends [Elektronische Daten] [Reza Salehiyan, Kyu Hyun] The nonlinear viscoelastic properties of PLA/PCL blends with and without clay (montmorillonite, MMT) under large amplitude oscillatory shear (LAOS) flow were investigated. The G′ and G″ as a function of strain amplitude, Lissajous plots and FT-rheology methods were used to interpret nonlinear behavior of PLA/PCL blends with and without MMT. Additionally, scanning electron microscopy (SEM) images of PLA/PCL with MMT blends were taken to investigate the effects of clay on the internal structure of the PLA/PCL blends. A relationship between morphological changes and linear and nonlinear rheological properties was observed. SEM image analysis revealed that clay acted as a compatibilizer and then reduced the size of droplets in the PCL domain of the PLA matrix. As a result, nonlinear properties sensitively reflect morphological changes with increasing MMT amount. The nonlinear rheological properties of PLA/PCL/MMT/metallocene-LLDPE (mLLDPE) were also investigated when mLLDPE was used as an impact modifier to improve mechanical properties, and the nonlinear rheological properties of PLA/PCL/MMT and PLA/PCL/MMT/mLLDPE were also compared. Korean Institute of Chemical Engineers, Seoul, Korea, 2013 LAOS nationallicence Nonlinear Viscoelastic Properties nationallicence FT-rheology nationallicence PLA/PCL Blends nationallicence PLA/PCL/MMT nationallicence PLA/PCL/MMT/mLLDPE nationallicence Salehiyan Reza School of Chemical and Biomolecular Engineering, Pusan National University, 609-735, Busan, Korea aut Hyun Kyu School of Chemical and Biomolecular Engineering, Pusan National University, 609-735, Busan, Korea aut Korean Journal of Chemical Engineering Springer US; http://www.springer-ny.com 30/5(2013-05-01), 1013-1022 0256-1115 30:5<1013 2013 30 11814 https://doi.org/10.1007/s11814-013-0035-6 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11814-013-0035-6 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Salehiyan Reza School of Chemical and Biomolecular Engineering, Pusan National University, 609-735, Busan, Korea aut NATIONALLICENCE 700 1- Hyun Kyu School of Chemical and Biomolecular Engineering, Pusan National University, 609-735, Busan, Korea aut NATIONALLICENCE 773 0- Korean Journal of Chemical Engineering Springer US; http://www.springer-ny.com 30/5(2013-05-01), 1013-1022 0256-1115 30:5<1013 2013 30 11814 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer