Impact behaviour of nylon-rubber blends: 4. Effect of the coupling agent, maleic anhydride

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Borggreve, R.J.M. and Gaymans, R.J. (1989) Impact behaviour of nylon-rubber blends: 4. Effect of the coupling agent, maleic anhydride. Polymer, 30 (1). pp. 63-70. ISSN 0032-3861

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Abstract:Blends of 90 wt% nylon-6 and 10 wt% EPDM (ethylene propylene diene monomer) rubber were prepared. The rubber was grafted with various amounts of maleic anhydride (MA) with the aid of a peroxide. The initial moduli and the melt viscosities of the rubbers were only a little affected by the MA and peroxide concentrations. The effect of MA concentration on the blending process and the impact behaviour was studied. The interfacial layer was investigated using infra-red spectroscopy and elemental analysis. The MA grafted onto the rubber was found to react with the nylon during the blending process. With the MA-grafted rubbers, a much finer dispersion could be obtained. However, the concentration of the coupling agent, within the range 0.13 to 0.89 wt% grafted onto the rubber, has hardly any influence on either the dispersion process or the impact behaviour of the blends.
Item Type:Article
Copyright:© 1989 Elsevier Science
Link to this item:http://purl.utwente.nl/publications/70492
Official URL:http://dx.doi.org/10.1016/0032-3861(89)90384-4
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