Copolyamides of nylon-4,6 and nylon-4,T


Gaymans, R.J. and Aalto, S. and Maurer, F.H.J. (1989) Copolyamides of nylon-4,6 and nylon-4,T. Journal of Polymer Science, Part A: Polymer chemistry, 27 (2). pp. 423-430. ISSN 0887-624X

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Abstract:Copolyamides of nylon-4,6 and nylon-4,T were prepared by a two-step method: (1) a prepolymerization in an autoclave (40 min at 210°C) and (2) a postcondensation in the solid state (4 h, 260°C). On these materials was studied the melting behavior with DSC, the crystalline structure with WAXS, the water absorption, and the mechanical properties with a torsion pendulum. In these copolyamides the order was found to remain high, but the crystalline structures of -4,6 and -4,T were not isomorphous. The torsion moduli increased with -4,T content both at RT and at 140°C.
Item Type:Article
Copyright:© 1989 Wiley InterScience
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