## Abstract Earlier studies of the orientation of the crystalline and amorphous regions in drawn and shrunk PET tapes by refractive index, Xβray, and polarized fluorescence measurements have been extended to include a study of young's modulus of such samples. The results show that for samples of lo
β¦ LIBER β¦
The determination of molecular orientation in oriented polypropylene by wide angle X-ray diffraction, polarized fluorescence and refractive index measurements
β Scribed by A.P. Unwin; D.I. Bower; I.M. Ward
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 688 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0032-3861
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Attenuated total reflection-infrared (ATR-IR) spectroscopy and wide-angle x-ray diffraction (WAXD) were used to determine the macromolecular orientation of a series of six uniaxially oriented polypropylene sheets with elongations of 0% to 500%. The orientation functions were expressed as fractions o