Influence of reactive compatibilizers on the rheometrical and mechanical properties of PA6/LDPE and PA6/HDPE blends

In this work, the influence of reactive compatibilizers on the rheometrical and mechanical properties of polyamide 6/low density polyethylene (PA6/LDPE) and polyamide 6/high density polyethylene (PA6/HDPE) blends was investigated. Polyethylene grafted with maleic anhydride (PEgMA), polyethylene graf...

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Bibliographic Details
Published in:Journal of materials science 2010-01, Vol.45 (2), p.496-502
Main Authors: Agrawal, Pankaj, Rodrigues, André. W. B., Araújo, Edcleide M., Mélo, Tomás J. A.
Format: Article
Language:English
Subjects:
Acrylic acid
Acrylics
Analysis
Blends
Bridges
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Compatibility
Compatibilizers
Crystallography and Scattering Methods
Density
Grafting
High density polyethylenes
Low density polyethylenes
Maleic anhydride
Materials Science
Mechanical properties
Morphology
Polyamide resins
Polyamides
Polyethylene
Polyethylenes
Polymer blends
Polymer Sciences
Rheometry
Solid Mechanics
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Summary:In this work, the influence of reactive compatibilizers on the rheometrical and mechanical properties of polyamide 6/low density polyethylene (PA6/LDPE) and polyamide 6/high density polyethylene (PA6/HDPE) blends was investigated. Polyethylene grafted with maleic anhydride (PEgMA), polyethylene grafted with acrylic acid (PEgAA), and ethylene-methyl acrylate-glycidyl methacrylate (EMA-GMA) were used as compatibilizers. The blends were characterized by torque rheometry, mechanical properties, and morphology. Rheometrical properties results show that PEgMA and PEgAA compatibilizers are more reactive with PA6 than EMA-GMA. Mechanical properties and scanning electron microscopy analysis results show that EMA-GMA compatibilizer is as effective as PEgMA and PEgAA for PA6/LDPE blend. For PA6/HDPE blend, PEgAA and EMA-GMA compatibilizers proved to be as effective as PEgMA. For PA6/HDPE blend compatibilized with PEgAA, an intriguing “web” or “bridge” like structure was observed.
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-009-3967-9