Effects of Compatibilizers on Morphology and Properties of Polyoxymethylene/Polypropylene Blends

The effects of polypropylene-graft-maleic anhydride compatibilizer on the mechanical thermal and morphological properties of polyoxymethylene/polypropylene blends were investigated. Polyoxymethylene/polypropylene blends with and without polypropylene-graft-maleic anhydride compatibilizer were prepar...

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Bibliographic Details
Published in:Polymer-plastics technology and engineering 2015-09, Vol.54 (13), p.1349-1357
Main Authors: Wacharawichanant, Sirirat, Amorncharoen, Parida, Wannasirichoke, Ratiwan
Format: Article
Language:English
Subjects:
Acetal resins
Anhydrides
Compatibility
Compatibilizer
Compatibilizers
Grafting
Joint ventures
Maleic anhydride
Mechanical properties
Modulus of elasticity
Morphology
Petrochemicals industry
Phase separation
Phase transformations
Polymer blends
Polyoxymethylene
Polypropylene
Polypropylenes
Storage modulus
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Summary:The effects of polypropylene-graft-maleic anhydride compatibilizer on the mechanical thermal and morphological properties of polyoxymethylene/polypropylene blends were investigated. Polyoxymethylene/polypropylene blends with and without polypropylene-graft-maleic anhydride compatibilizer were prepared by an internal mixer. The morphology of polyoxymethylene/polypropylene blends clearly demonstrated a two-phase separation of dispersed phase and the matrix phase and the addition of polypropylene-graft-maleic anhydride changed the morphological characteristics of blends. Polyoxymethylene/polypropylene blends showed the decrease of mechanical properties with increasing of polypropylene content. The addition of polypropylene-graft-maleic anhydride improved Young's modulus and storage modulus of polyoxymethylene/polypropylene blends. The incorporation of polypropylene improved the degradation temperature of polyoxymethylene.
ISSN:0360-2559
1525-6111
DOI:10.1080/03602559.2014.996903