DOI: 10.1063/1.1735481. Measurement of Orientation in Polypropylene Film

Measurement of Orientation in Polypropylene Film

10.1063/1.1735481

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

An average fiber axis orientation in polypropylene film was measured quantitatively from x-ray diffraction determination of orientation of two planes containing this axis. This orientation was expressed as the average square cosine of the angle between the fiber axis and a chosen reference direction in the sample. It was necessary to use an indirect method since there are no crystal planes perpendicular to the fiber axis. The nature of the fiber axis orientation thus determined was found to be consistent with birefringence measurements and qualitative deductions from pole figures. Films produced by flat die extrusion showed a double orientation in which the fiber axis is preferentially oriented in the extrusion direction, and the (010) crystal face is parallel to the film surface. Both components of the orientation tended to be of the same magnitude.

Bibliography

Wilchinsky, Z. W. (1960). Measurement of Orientation in Polypropylene Film. Journal of Applied Physics, 31(11), 1969â1972.

Authors 1

Zigmond W. Wilchinsky (first)

References 12 Referenced 232

{'key': '2024020119094608300_r1', 'first-page': '365', 'volume': '21', 'year': '1956', 'journal-title': 'Atti accad. naz. Lincei. Rend. Classe fis. mat. e nat.'} / Atti accad. naz. Lincei. Rend. Classe fis. mat. e nat. (1956)
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{'key': '2024020119094608300_r3', 'first-page': '792', 'volume': '30', 'year': '1959', 'journal-title': 'J. Appl. Phys.'} / J. Appl. Phys. (1959)
{'key': '2024020119094608300_r4'}
10.1063/1.1698268 / J. Appl. Phys. (1949)
10.1063/1.1715077 / J. Appl. Phys. (1948)
10.1063/1.1722936 / J. Appl. Phys. (1958)
10.1063/1.1722161 / J. Appl. Phys. (1955)
{'key': '2024020119094608300_r9'}
{'key': '2024020119094608300_r10'}
{'key': '2024020119094608300_r11'}
10.1063/1.1734985 / J. Appl. Phys. (1959)

Dates

Type	When
Created	20 years, 4 months ago (April 25, 2005, 1:03 p.m.)
Deposited	1 year, 7 months ago (Feb. 1, 2024, 2:31 p.m.)
Indexed	1 week, 6 days ago (Aug. 21, 2025, 12:54 p.m.)
Issued	64 years, 10 months ago (Nov. 1, 1960)
Published	64 years, 10 months ago (Nov. 1, 1960)
Published Print	64 years, 10 months ago (Nov. 1, 1960)

Funders 0

None

BibTeX

@article{Wilchinsky_1960, title={Measurement of Orientation in Polypropylene Film}, volume={31}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1735481}, DOI={10.1063/1.1735481}, number={11}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Wilchinsky, Zigmond W.}, year={1960}, month=nov, pages={1969–1972} }

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