Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 92, Issue 4, Pages 2545-2551Publisher
WILEY
DOI: 10.1002/app.20219
Keywords
mechanical properties; ionomer; morphology; compatibilizer; blends
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The compatibilizing effect of the ionomer, polystyrene-co-sodium acrylate) (PSSAc), on immiscible blends of polystyrene (PS)/polyamide 6 (PA6) was studied by mechanical tests and scanning electron microscopy. The PSSAc acts as an effective compatibilizer because both the deformation at break (%) obtained by tensile stress-strain tests and the impact rupture energy are larger in blends containing small amounts of PSSAc. The morphologies of the fractured surfaces produced by tensile stress-strain tests of blends with or without the ionomer confirm that PSSAc increases the interfacial adhesion between PS and PA6 phases. (C) 2004 Wiley Periodicals, Inc.
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