caa a22 4500 44529180X CHVBK 20180317142530.0 cr unu---uuuuu 170323e20101201xx s 000 0 eng 10.1007/s12588-010-0003-5 doi (NATIONALLICENCE)springer-10.1007/s12588-010-0003-5 Rheological, melting and crystallization behaviour of an open cage POSS/PTT nanocomposite prepared by melt blending [Elektronische Daten] [Gopala Bhadu, Sandeep Kumar, Veena Choudhary] Trisilanolphenyl (TSP)-Polyhedral oligomeric silsesquioxane (POSS) was melt blended with poly (trimethylene terephthalate) (PTT) using a co-rotating twin screw extruder having three kneading zone for better dispersion. The TSP-POSS influence the processing, rheology, melting and crystallization behaviour of nano-composite which was evaluated by measuring the torque during extrusion, melt flow index, and melt rheology by capillary rheometer, melting and crystallization behaviour by differential scanning calorimetry (DSC). The nanocomposites exhibited shear-thinning behaviour and the viscosity was well-described by the power law in this shear rate region. The addition of TSP-POSS enhanced the pseudoplasticity, i.e. increased the shear thinning behavior. With increasing TSP-POSS concentration, the shear stress/viscosity increased, while the power law index (n) decreased, and this effect is more significant at higher filler concentrations (10wt %). Results showed that TSP-POSS acts as a nucleating agent and at a lower concentration (0.25-2%) act as a flow promoter. Central Institute of Plastics Engineering & Technology, 2010 PTT nationallicence Nanocomposites nationallicence Melt flow index nationallicence Rheology nationallicence Melting nationallicence Crystallization nationallicence Bhadu Gopala Centre for Polymer Science and Engineering, Indian Institute of Technology Delhi, Hauz Khas, 110016, New Delhi-, India aut Kumar Sandeep Centre for Polymer Science and Engineering, Indian Institute of Technology Delhi, Hauz Khas, 110016, New Delhi-, India aut Choudhary Veena Centre for Polymer Science and Engineering, Indian Institute of Technology Delhi, Hauz Khas, 110016, New Delhi-, India aut International Journal of Plastics Technology Springer-Verlag 14(2010-12-01), 7-23 0972-656X 14<7 2010 14 12588 https://doi.org/10.1007/s12588-010-0003-5 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s12588-010-0003-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Bhadu Gopala Centre for Polymer Science and Engineering, Indian Institute of Technology Delhi, Hauz Khas, 110016, New Delhi-, India aut NATIONALLICENCE 700 1- Kumar Sandeep Centre for Polymer Science and Engineering, Indian Institute of Technology Delhi, Hauz Khas, 110016, New Delhi-, India aut NATIONALLICENCE 700 1- Choudhary Veena Centre for Polymer Science and Engineering, Indian Institute of Technology Delhi, Hauz Khas, 110016, New Delhi-, India aut NATIONALLICENCE 773 0- International Journal of Plastics Technology Springer-Verlag 14(2010-12-01), 7-23 0972-656X 14<7 2010 14 12588 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer