Structure of nylon 7 solution grown crystals |
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| Authors: | A. Prieto J. M. Montserrat S. Munoz-Guerra |
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| Affiliation: | (1) Departamento de Ingeniería Química, Universidad Politécnica de Cataluña, ETS de Ingenieros Industriales, Diagonal 647, 08028 Barcelona, Spain |
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| Abstract: | Single crystals of nylon 7 prepared by crystallization from glycerine were studied by both X-rays and electron microscopy. Electron diffraction proved that they consist of a twinned layered -structure with hydrogen bonds running parallel to their long dimension. Polyethylene decoration of such crystals showed that they are subdivided in folding domains so that both chain folding and hydrogen bonding take place along the same crystallographical planes. |
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