DOI: 10.1002/app.1966.070100607. A study of the morphology and physical properties of polypropylene films

A study of the morphology and physical properties of polypropylene films

10.1002/app.1966.070100607

Crossref journal-article

Wiley

Journal of Applied Polymer Science (311)

Abstract

AbstractData are presented showing that rapidly quenched polypropylene films contain a paracrystalline phase in addition to crystalline and amorphous phases. The density of the paracrystalline phase was found to vary between 0.8890 and 0.9080 g./cm.3. Other data show that the density of quenched polypropylene films increases during aging, the increase being a linear function of the logarithm of the film age. The physical properties of the films, secant modulus, impact strength, and coefficient of friction, were found to vary not only with crystallinity, i.e., composition‐dependent density, but also to vary during aging when the density was increasing with little change in crystallinity. An example of this dependence is the increase in secant modulus of 10.9 × 106 psi/g./cm.3 during aging and only 3.7 × 106 psi/g./cm.3 as the crystallinity increased. Because of the three phases and the density–time change, it is possible to have films with the same density and different physical properties and, conversely, films with the same physical properties and different densities.

Bibliography

Schael, G. W. (1966). A study of the morphology and physical properties of polypropylene films. Journal of Applied Polymer Science, 10(6), 901â915. Portico.

Authors 1

George W. Schael (first)

References 20 Referenced 34

10.1177/004051756503500707
{'key': 'e_1_2_1_3_2', 'first-page': '186', 'volume': '3', 'author': 'Conner W. P.', 'year': '1963', 'journal-title': 'SPE Trans.'} / SPE Trans. by Conner W. P. (1963)
10.1002/app.1964.070080528
{'key': 'e_1_2_1_5_2', 'first-page': '993', 'volume': '31', 'author': 'Morgan H. M.', 'year': '1961', 'journal-title': 'Textile Res. J.'} / Textile Res. J. by Morgan H. M. (1961)
10.1002/pol.1965.100030507
10.1002/pol.1962.1206217307
10.1002/app.1959.070020506
10.1002/app.1959.070020410
10.1002/app.1964.070080617
{'key': 'e_1_2_1_11_2', 'first-page': '11', 'volume': '22', 'author': 'Natta G.', 'year': '1957', 'journal-title': 'Atti Accad. Nazl. Lincei, Rend. Classe Sci. Fis. Mat. Nat.'} / Atti Accad. Nazl. Lincei, Rend. Classe Sci. Fis. Mat. Nat. by Natta G. (1957)
10.1002/ange.19570690702
Z. W.Wilchinsky paper presented at 13th Annual Conference for the Application of X‐Ray Analysis Denver Colorado Aug. 1964.
10.1063/1.1734985
10.1063/1.1734986
{'issue': '1', 'key': 'e_1_2_1_16_2', 'first-page': '29', 'volume': '4', 'author': 'Gailey J. A.', 'year': '1964', 'journal-title': 'SPE Trans.'} / SPE Trans. by Gailey J. A. (1964)
{'key': 'e_1_2_1_17_2', 'first-page': '315', 'volume': '4', 'author': 'Hoffman J. D.', 'year': '1964', 'journal-title': 'SPE Trans.'} / SPE Trans. by Hoffman J. D. (1964)
10.1063/1.1777069
10.1002/app.1959.070010118
{'key': 'e_1_2_1_20_2', 'first-page': '190', 'volume': '243', 'author': 'Archard J. F.', 'year': '1958', 'journal-title': 'Proc. Roy. Soc. (London)'} / Proc. Roy. Soc. (London) by Archard J. F. (1958)
10.1088/0370-1301/66/9/302

Dates

Type	When
Created	22 years, 4 months ago (April 14, 2003, 3:08 p.m.)
Deposited	1 year, 9 months ago (Nov. 20, 2023, 3:02 p.m.)
Indexed	1 year ago (Aug. 13, 2024, 1:55 a.m.)
Issued	59 years, 3 months ago (June 1, 1966)
Published	59 years, 3 months ago (June 1, 1966)
Published Online	22 years, 5 months ago (March 9, 2003)
Published Print	59 years, 3 months ago (June 1, 1966)

Funders 0

None

BibTeX

@article{Schael_1966, title={A study of the morphology and physical properties of polypropylene films}, volume={10}, ISSN={1097-4628}, url={http://dx.doi.org/10.1002/app.1966.070100607}, DOI={10.1002/app.1966.070100607}, number={6}, journal={Journal of Applied Polymer Science}, publisher={Wiley}, author={Schael, George W.}, year={1966}, month=jun, pages={901–915} }

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