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An organically modified clay (o-clay) and a pristine clay (p-clay) were used to prepare biodegradable thermoplastic starch (TPS)/clay nanocomposites by melt processing. The gelatinization behaviour of starch with glycerol/H 2 O was investigated and the gelatinized temperature (T gel ) was determined using a polarized optical microscopy (POM) equipped with a hot stage. The morphologies...
Talc was modified with methyl methacrylate (MMA) or butyl acrylate (BA) via in situ polymerization. The talc/isotactic polypropylene (PP) composites with nano-sized intercalated structure were formed by melt compounding of PP with the modified talc. The results showed that the talc layers were partially delaminated, aligned along the flow direction, and uniformly dispersed in the PP matrix. The thickness...
Poly(vinyl chloride) (PVC)/calcium carbonate (CaCO 3 ) nanocomposites were synthesized by in situ polymerization of vinyl chloride (VC) in the presence of CaCO 3 nanoparticles. Their thermal, rheological and mechanical properties were evaluated by dynamic mechanical analysis (DMA), thermogravimetry analysis (TGA), capillary rheometry, tensile and impact fracture tests. The results...
Isotactic polypropylene (PP) and calcium carbonate (CaCO 3 ) nanocomposites were prepared by melt extrusion in a twin screw extruder. The commercial CaCO 3 nanoparticles had a poor dispersion in PP matrix. The addition of a small amount of a nonionic modifier during melt extrusion greatly improved the dispersion of CaCO 3 nanoparticles. The influence of CaCO 3 nanoparticles...
Nano-sized antimony trioxide (Sb 2 O 3 ) particles were modified by in-situ methyl methacrylate (MMA)/Sb 2 O 3 polymerization. Subsequently, these modified nanoparticles were compounded with poly(vinyl chloride) (PVC) to prepare PVC/Sb 2 O 3 nanocomposites. In-situ MMA/Sb 2 O 3 polymerization kinetics shows that nano-Sb 2 O ...
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