The preparation of polystyrene (PS) /Garamite particles as dyeability modifiers for PP fibers was studied. PS/Garamite particles with different Garamite content were prepared through in-situ suspension polymerization. Then they were added into Polypropylene (PP) matrix as modification additions through melt blending. PP/PS/Garamite filaments were melt-spun from the blends. The rheology property of the PP/PS/Garamite blends and the dyeing behavior of the fibers were also studied. The rheology information helped us to identify the spinning process setting for the blends. The PP fiber exhibited fairly good dyeing deepness using disperse dyestuff and the Garamite improved the dyeability of PP fibers.
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