A new fiber‐sampling technique for infrared spectroscopy as applied to nylon 6 and poly(ethylene terephthalate) | Zendy

Tirpak G. A. | Zendy; Sibilia J. P. | Zendy

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A new fiber‐sampling technique for infrared spectroscopy as applied to nylon 6 and poly(ethylene terephthalate)

Author(s) -

Tirpak G. A.,

Sibilia J. P.

Publication year - 1973

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1973.070170226

Subject(s) - materials science , poly ethylene , ethylene , nylon 6 , infrared spectroscopy , composite material , fiber , shrinkage , infrared , synthetic fiber , nylon 66 , polyethylene terephthalate , polymer chemistry , polymer , polyamide , optics , chemistry , organic chemistry , physics , catalysis

A number of techniques have been used in the past for obtaining the infrared spectra of fine fibers. A new technique has been developed which overcomes many of the problems of previous methods. The present technique involves winding a single filament between two salt windows which are separated by a spacer which is the same or slightly greater in thickness than the fibers. This results in a layer of adjacent parallel fibers. Good‐quality polarized infrared spectra were obtained on oriented poly(ethylene terephthalate) and oriented nylon 6 fibers with the new technique. The data demonstrate the high level of “A” conformation orientation present in highly drawn nylon 6 fibers and the existance of chain folds in drawn poly(ethylene terephthalate) fibers. The structural changes which occur during the shrinkage of nylon 6 fibers are also demonstrated.

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