Authors Jafari, S.H. ; Pötschke, P. ; Stephan, M. ; Warth, H. ; Alberts, H.
Title Multicomponent blends based on polyamide 6 and styrenic polymers: Morphology and melt rheology
Date 07.10.2002
Abstract The role of each blend component on blend morphology and melt rheological properties was investigated for multicomponent compatibilized blends of polyamide 6 (PA6) and acrylonitrile–butadiene–styrene terpolymer (ABS). Blends with PA6 content of 50 wt% were prepared at similar processing conditions on a ZSK 30 twin screw extruder. PA6/styrene–acrylonitrile co-polymer (SAN) blends showed a dispersed morphology with PA6 as matrix. Addition of reactive compatibilizer, styrene–acrylonitrile–maleic anhydride co-polymer (SANMA), up to 5 wt%, changed the morphology from a dispersed to a co-continuous structure. PA6/ABS, having a part of the SAN substituted by rubber, exhibited a coarse co-continuous structure which could be explained with the yield stress of the ABS. Addition of the compatibilizer to this system refined the co-continuous structure and increased the viscosity as well as the elasticity.
Journal Polymer 43 (2002) 6985-6992

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