<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

Publié en ligne: 09 oct. 2009

Pages: 27 - 34

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

Mots clés
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

Publié en ligne: 09 oct. 2009

Pages: 27 - 34

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

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

This content is open access.

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