Compatibilization of PP/PAE blends by means of the addition of an ionomer
作者： A. Granado , J.I. Eguiazábal , J. Nazábal
DOI: 10.1002/PEN.21655
关键词:
摘要: Minor amounts of poly(ethylene-co-methacrylic acid) ionomer neutralized with Zn (PEMA-Zn) were added in the melt state to blends polypropylene (PP) up 40% poly(amino ether) (PAE) resin. Given good barrier characteristics PAE, it is a candidate improve poor properties PP. However, PP/PAE found be almost fully immiscible, large dispersed phase size and brittle mechanical behavior. Upon PEMA-Zn addition, particle clearly decreased from diameters several microns mostly below 0.5 μm, indicating that compatibilization occurred. This was due presence two phases additionally proven by decrease observed interfacial tension. Further, fine morphology led an enhancement unnotched impact strength ternary their ductile behavior (elongation at break 30- 40-fold corresponding binary blends). POLYM. ENG. SCI., 50:1512–1519, 2010. © 2010 Society Plastics Engineers
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