<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The morphology, thermal and mechanical properties of polyamide 12 (PA12)/poly(vinylidene fluoride) (PVDF) blends were investigated. These polymers are engineering, semi-crystalline polymers which are reciprocally immiscible. Differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DMTA) and scanning electron microscopy (SEM) were used to characterize the polymeric materials. Mechanical properties were examined by static tensile test. The investigations demonstrate that blends with higher amount of PVDF, with the morphology of two co-continuous semicristalline phases, exhibit better mechanical properties. The blends with small content of PVDF and prepared by extrusion show the morphology of small separated domains of PVDF and full continuous PA phase. The morphology of these blends is different than the blends prepared by internal mixer and have better mechanical properties too. Thus they can be used in particular applications without a compatibilizing agent.</p></abstract>

The morphology, thermal and mechanical properties of polyamide 12 (PA12)/poly(vinylidene fluoride) (PVDF) blends were investigated. These polymers are engineering, semi-crystalline polymers which are reciprocally immiscible. Differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DMTA) and scanning electron microscopy (SEM) were used to characterize the polymeric materials. Mechanical properties were examined by static tensile test. The investigations demonstrate that blends with higher amount of PVDF, with the morphology of two co-continuous semicristalline phases, exhibit better mechanical properties. The blends with small content of PVDF and prepared by extrusion show the morphology of small separated domains of PVDF and full continuous PA phase. The morphology of these blends is different than the blends prepared by internal mixer and have better mechanical properties too. Thus they can be used in particular applications without a compatibilizing agent.

Morphology and mechanical properties of polyamide 12 (PA12)/poly(vinylidene fluoride) (PVDF) blends

Institute of Materials Science and Engineering, West Pomeranian University of Technology, Piastów 19, 70-310 Szczecin, Poland

Polish Journal of Chemical Technology

The morphology, thermal and mechanical properties of polyamide 12 (PA12)/poly(vinylidene fluoride) (PVDF) blends were investigated. These polymers are...

Morphology and mechanical properties of polyamide 12 (PA12)/poly(vinylidene fluoride) (PVDF) blends

Published Online: Oct 09, 2009

Page range: 27 - 34

DOI: https://doi.org/10.2478/v10026-009-0032-z

Keywords
blends, miscibility, polyamide 12 (PA12), poly(vinylidene fluoride) (PVDF), DSC, DMTA, SEM, mechanical properties

This content is open access.

Morphology and mechanical properties of polyamide 12 (PA12)/poly(vinylidene fluoride) (PVDF) blends

Published Online: Oct 09, 2009

Page range: 27 - 34

DOI: https://doi.org/10.2478/v10026-009-0032-z

Keywordsblends, miscibility, polyamide 12 (PA12), poly(vinylidene fluoride) (PVDF), DSC, DMTA, SEM, mechanical properties

This content is open access.

Keywords
blends, miscibility, polyamide 12 (PA12), poly(vinylidene fluoride) (PVDF), DSC, DMTA, SEM, mechanical properties