The influence of talc on polypropylene(PP)pipes after surface modification was studied.The main raw materials,talc,polypropylene,surface modifier were fully mixed in the plastic mixer to achieve several raw materials,become composite materials.The mechanical properties of the composites were test-ed by universal testing machine,and the microstructure and functional groups of the composites were stud-ied by Fourier transform and XRD.The results showed that:after modification,the filler can be composite with polypropylene regularly,the microstructure distribution is uniform,and the functional groups have a great change,PP∶talc(after modification)=1∶3,the mechanical properties of the composite are the best.
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