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This work reports our recent efforts on improving the flame retardancy and thermal stability of biodegradable poly (lactic acid) (PLA) which is usually produced from corn and sugar beets. Hexa-(phosphaphenanthrene-methyl-(p-hydrobenzal)-amino-phenoxyl)-cyclotriphosphazene (HPHAPC) was synthesized by the classic Kabachnik-Fields reaction, and was then incorporated into PLA/polycarbonate (PC) alloys...
We utilized alginate sodium (ALG) and chitosan (CHI) as wall components to construct a natural and biodegradable polyelectrolyte microshell by the electrostatic self-assembly technique. The resultant ALG–CHI shells were found to maintain intact spherical shape in different poly(styrenesulfonate sodium) (PSS) bulk concentrations (maximal detection concentration 20.0wt%). Compared with the shells composed...
In our preliminary study, it has been revealed that a copolymer of PE-g-PS can be formed during melt blending of polyethylene/polystyrene (PE/PS) blends via a Friedel-Crafts benzene ring alkylation of the PS. This paper reports our further study on the in situ compatibilization of polyolefin and polystyrene using a single screw extruder. Polyethylene and polypropylene (PP), respectively, have been...
This paper concerns the in situ compatibilization of immiscible polypropylene/poly(butylene terephthalate) (PP/PBT) blends by a one-step reactive extrusion process. By one-step reactive extrusion, we are referring to functionalization of the PP with a monomer bearing a desired functional group and the subsequent interfacial reaction of this functionalized PP with the PBT, where the whole operation...
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