Reactive Reinforcement of the Interface of High Performance Polymer Blends by PMR-POI

Abstract

Abstract: The effect of PMRpolyimide(POI) as the interfacial agent on the interface characteristics, morphology features and crystallization of poly(ether sulfone)/poly(phenylene sulfide)(PES/PPS) and poly(ether ether ketone)/poly(ether sulfone)(PEEK/PES) partly miscible blends were investigated by means of the scanning electron microscopy, WAXDand XPSsurface analysis. It is found that the interfacial adhesion was enhanced remarkably, the size of the dispersed phase particles was reduced significantly and the miscibility was improved by the addition of POI. During melt blending cross link and/or grafting reaction of POIwith PES, PEEKand PPShomopolymers was detected, however the reaction activity of POIwith PPSwas much higher than that of PESand PEEK. It was also found that POIwas an effective nucleation agent of the crystallization of PPS.

Key words: Poly(phenylene sulfide), Poly(ether sulfone), PMR-polyimide, Interface, Blend

CLC Number:

O631

TrendMD:

LAI Ming-Fang, YANG Yu-Ming, LIU Jing-Jiang . Reactive Reinforcement of the Interface of High Performance Polymer Blends by PMR-POI[J]. Chem. J. Chinese Universities, 2001, 22(8): 1414.

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Reactive Reinforcement of the Interface of High Performance Polymer Blends by PMR-POI

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