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Variable amounts of zinc and nickel salts, such as ZnSO 4 ·7H 2 O and NiSO 4 ·6H 2 O, have been incorporated into blends of polypropylene (PP)/ammonium polyphosphate (APP)/dipentaerythritol (DPER) with the aim of studying their effect on intumescent flame retardance (IFR). The PP/IFR/salt composites have been prepared using a twin-screw extruder, and their IFR behaviours...
Polypropylene (PP)/organo-montmorillonite (OMMT) nanocomposites were prepared by using a highly effective PP solid-phase graft as compatibilizer. As a very low amount of PP graft was used, the properties of the PP matrix were maintained. The effects of the OMMT on the structure and properties of PP were studied fully. The intercalated structure of the nanocomposites was characterized by X-ray diffraction...
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