Impact modification of poly(caprolactam) by copolymerization with a low molecular weight polybutadiene

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Borggreve, R.J.M. and Gaymans, R.J. (1988) Impact modification of poly(caprolactam) by copolymerization with a low molecular weight polybutadiene. Polymer, 29 (8). pp. 1441-1446. ISSN 0032-3861

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Abstract:Caprolactam and a reactive, low molecular weight polybutadiene were polymerized in an autoclave, followed by post-condensation in the solid state. The rubber concentration was varied (0–30 wt%). The morphology of the reaction products was studied by transmission electron microscopy. In the materials with 10 and 20 wt% polybutadiene, large spherical polybutadiene-rich domains with nylon sub-inclusions were observed. The 30 wt% polybutadiene product was shown to have a co-continuous structure. The moduli of the materials decrease rapidly with rubber content and only the material with the highest polybutadiene content had a high notched Izod impact strength.
Item Type:Article
Copyright:© 1988 Elsevier
Link to this item:http://purl.utwente.nl/publications/70324
Official URL:http://dx.doi.org/10.1016/0032-3861(88)90308-4
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