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Journal of the Society of Motion Picture Engineers ( Volume: 27, Issue: 6, December 1936)
[ACTIVE]

Stability of Motion Picture Films as Determined by Accelerated Aging

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPE
Volume
27, No. 6, pp. 677–690
Abstract
The stability of the cellulose acetate or safety type of film was studied in comparison with the cellulose nitrate or theater type of motion picture film. The study consisted in determining the resistance of films to various accelerated aging treatments, including oven-aging in dry air, aging in steam chest, and oven-aging at high humidity. The most satisfactory aging test was the oven-aging test commonly employed to determine the stability of paper. Effects of oven-aging upon the different types of film were determined by measuring the changes in physical and chemical properties after aging. In all tests, the acetate type showed much greater resistance to deterioration than did the nitrate film. The results indicate that the acetate film is a very stable material, being comparable to permanent-record paper in its resistance to accelerated aging. The nitrate type of film was found to be comparatively unstable. The physical properties discussed in the paper include (1) folding endurance, and (2) loss of weight. Of the chemical properties, the following are discussed: (1) acidity, (2) stability test of nitrate film, (3) copper number, (4) viscosity, and (5) the effects of aging upon gelatin emulsion. A foreword by John G. Bradley, of the Division of Motion Pictures and Sound Recordings, National Archives, introduces the paper.
Publication Date
1936-12-01
DOI
10.5594/J08603
ISSN
Print: 0097-5834
Link
https://doi.org/10.5594/J08603
Author(s)
J. R. HillResearch Fellow for the National Research Council
C. G. WeberNational Bureau of Standards, Washington, D. C.
Copyright
© 1936 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. Rasch R. H. : “A Study of Purified Wood Fibers as a Papermaking Material,” Bureau of Standards J. of Research , 3 (Sept., 1929 ), No. 3 , p. 476 . EXTERNAL
  • 2. Rasch R. H. Stone G. O. : “Estimating Stability of Paper by Heating,” Paper Trade Journal , 95 (July 28, 1932 ), No. 4 , p. 28 . EXTERNAL
  • 3. Brownson T. K. Cray F. M. : “The Electrical Conductivities of Hydrochloric Acid and Potassium Chloride in Water and Acetone-Water Mixtures,” J. Chem. Soc. 127 ( 1935 ), p. 2923 . EXTERNAL
  • 4. U. S. Army Specification “Nitrocellulose” : U. S. Government Printing Office , Washington, D. C. (Sept. 29, 1930 ), No. 50–14–3. EXTERNAL
  • 5. Testing Method No. 430 , “The Copper Number of Paper,” Assoc. of the Pulp and Paper Industry , New York (March, 1932 ), New York, N. Y. EXTERNAL
  • 6. Staudinger H. : “Die Hochmolekularen Organischen Verbindungen,” J. Springer ( Berlin ), 1932 . EXTERNAL
  • 7. Scribner B. W. : “Permanence Standards for Printing and Writing Papers,” Trans. A. S. M. E. , PI-52 (August, 1930 ), No. 5 , p. 21 . EXTERNAL
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J. R. Hill and C. G. Weber; Stability of Motion Picture Films as Determined by Accelerated Aging, Journal of the Society of Motion Picture Engineers ( Volume: 27, Issue: 6, December 1936); SMPTE, 1936. Available at https://doi.org/10.5594/J08603
Snippet:
J. R. Hill and C. G. Weber; Stability of Motion Picture Films as Determined by Accelerated Aging, Journal of the Society of Motion Picture Engineers ( Volume: 27, Issue: 6, December 1936); SMPTE, 1936. Available at https://doi.org/10.5594/J08603

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J. R. Hill and C. G. Weber; Stability of Motion Picture Films as Determined by Accelerated Aging, Journal of the Society of Motion Picture Engineers ( Volume: 27, Issue: 6, December 1936); SMPTE, 1936. Available at https://doi.org/10.5594/J08603
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<span class="citation">J. R. Hill and C. G. Weber; <cite>Stability of Motion Picture Films as Determined by Accelerated Aging</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 27, Issue: 6, December 1936); SMPTE, 1936. Available at <a href="https://doi.org/10.5594/J08603" target="_blank" rel="noopener">https://doi.org/10.5594/J08603</a></span>

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J. R. Hill and C. G. Weber; Stability of Motion Picture Films as Determined by Accelerated Aging, Journal of the Society of Motion Picture Engineers ( Volume: 27, Issue: 6, December 1936); SMPTE, 1936
doi: 10.5594/J08603
url: https://doi.org/10.5594/J08603
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<li>
J. R. Hill and C. G. Weber; <cite id="bib-10-5594-j08603">Stability of Motion Picture Films as Determined by Accelerated Aging</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 27, Issue: 6, December 1936); SMPTE, 1936
<span class="doi">10.5594/J08603</span>
</li>

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