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Article
Nature 163, 567 (9 April 1949) | doi:10.1038/163567a0;
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Double Orientation and Infra-Red Dichroism in Polymers
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Abstract
Double orientation has been observed by Bunn and Garner3 in X-ray photographs of rolled sheets of nylon. We have detected double orientation in nylon and polyvinyl alcohol by examining the spectrum of the rolled material with polarized infra-red radiation passing through the material at an angle of 54° to the plane of the sheet.
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