Control of surface morphology of polypropylene/polystyrene blend pellets prepared by diffusion and subsequent polymerization of styrene in isotactic polypropylene pellets

(整期优先)网络出版时间:2016-10-20
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Inhibitorhydroquinone(HQ)wasaddedtothereactionsystemtopreparepolypropylene/polystyrene(PP/PS)blendpelletswithoutPSonthesurfaceduringdiffusionandsubsequentpolymerizationofstyreneinisotacticpolypropylenepellets.TheeffectsoftheamountofHQondiametricaldistributionofPS,surfacemorphologyofthepelletsandphasemorphologyinsidetheblendpelletswereinvestigated.