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

R.J. Gaymans, S. Aalto, F.H.J. Maurer

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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.
Original languageUndefined
Pages (from-to)423-430
JournalJournal of polymer science. Part A: Polymer chemistry
Issue number2
Publication statusPublished - 1989


  • IR-70888

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