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《China Plastics Industry》 2010-04
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The Study on Preparation and Mechanical Properties of PC/PPR Alloys

XIAO Shan1,DING Hui-li1,CHEN Xu1,SHENG Jing2(1.Institute of Polymer Sci.and Eng.,Hebei University of Technology,Tianjin 300130,China; 2.Institute of Material Sci.and Eng.,Tianjin University,Tianjin 300072,China)  
Polycarbonate(PC)/polypropylene random copolymers(PPR)/POE-g-MAH alloys were prepared by means of melt blending.The mechanical properties and rheological properties were tested,the tensile and impact facture morphology of the alloys and the toughening mechanism were studied.The result showed with the PPR as the toughening agent for PC,the sensitivity of the PC to the impact was reduced and the molding processing property was improved,and the best component weight ratio was 100/20/5.the continuous phase was PC,the dispersed phase was PPR,and POE-g-MAH was campatibilizer,which could be used to increase the interface adhesion and benefit to increase the toughness of the blend.The interfacial voiding was the main reason for energy loss of toughening mechanism in the composites.
【CateGory Index】: TQ323.41
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