The effects of a silane coupling agent on properties of rice husk-filled maleic acid anhydride compatibilized natural rubber/low-density polyethylene blend

Blends of natural rubber and low-density polyethylene were prepared in different weight compositions in presence of dicumyl peroxide and maleic acid anhydride. The effects of rice husk (RH) content and a silane coupling agent, that is, 3-aminopropyl triethoxy silane (3-APE, 1 wt% of filler content)...

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Bibliographic Details
Published in:Journal of materials science 2009-05, Vol.44 (10), p.2665-2673
Main Authors: Maziad, N. A., EL-Nashar, D. E., Sadek, E. M.
Format: Article
Language:English
Subjects:
Acidic oxides
Ambient temperature
Anhydrides
Characterization and Evaluation of Materials
Classical Mechanics
Coupling agents
Crystallography and Scattering Methods
Density
Dicumyl peroxide
Elongation
Gravimetric analysis
Impact strength
Low density polyethylenes
Maleic acid
Materials Science
Mechanical analysis
Modulus of elasticity
Morphology
Natural rubber
Polyethylene
Polymer blends
Polymer Sciences
Scanning electron microscopy
Solid Mechanics
Tensile strength
Thermodynamic properties
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Summary:Blends of natural rubber and low-density polyethylene were prepared in different weight compositions in presence of dicumyl peroxide and maleic acid anhydride. The effects of rice husk (RH) content and a silane coupling agent, that is, 3-aminopropyl triethoxy silane (3-APE, 1 wt% of filler content) on the physicomechanical properties and mass swell of the tested blend were investigated. The incorporation of untreated RH into the blend improved Young’s modulus, hardness but decreased tensile strength, elongation at break, impact strength, and mass swell. Incorporation of 3-APE has produced composite with improved tensile strength, Young’s modulus, hardness and impact strength with a sharp decrease in elongation, and better mass swell in comparison with untreated one. The effect of γ-irradiation doses on retained physicomechanical properties of RH (30 phr) filled blend samples before and after silane treatment was investigated at ambient temperature. The efficiency of silanized RH (30 phr) was also evaluated by the studies of the surface morphology (scanning electron microscopy) and thermal properties (thermal gravimetric analysis and thermal mechanical analysis).
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-009-3349-3