Aspects of Order during the Deformation of Nylon Fibers

Abstract
Different structure parameters can be measured in wide- and small-angle x-ray diffraction patterns of fibers which describe order. A brief study of these parameters is given for fibers of 66 nylon and for fibers of a random copolymer of 66/6 (90/10) which had been produced by a variety of drawing and annealing conditions. No direct correlation of the order parameters is found, suggesting that they vary independently. Part of the long-period intensity is found to be created by heating and is not a remnant of the disruption of the original structure. It is proposed that the gross ordering process is dominated by a thermodynamic mechanism. On the other hand, the local lattice ordering is sensitive to both tension and temperature conditions, and it is proposed that local ordering is dominated by a kinetic mechanism

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