The Effect of Temperature and Humidity on the Physical Properties of Cellulose Acetate Film

doi:10.7517/j.issn.1674-0475.2017.05.002

Abstract

Abstract:

The storage temperature and humidity of the cellulose acetate film file serve as the key factors affecting the long-term preservation of the film. The valuable film files are suffering the harm of acetic acid syndrome in most archives in China because the technology and concept of the preservation film files do not achieve the ideal preservation condition that is recommended by the international standard organization. In the present study, the cellulose acetate film, which is made in China in the 1980s, is selected to serve as experimental sample and to study the effect of actual temperature and humidity on the film base and emulsion layer. The results show that the film base and emulsion layer cause varying degrees of damage when the actual temperature is higher than 20℃ and the relative humidity is higher than 60%. Moreover, the contained information of film emulsion layer is seriously damaged at the condition of high humidity. This work will provide some guidance for the preservation of film archives.

Key words: cellulose acetate film, preservation temperature and humidity, degradation, strength

JIA Zhihui, LI Yuhu, SHI Meirong, XIE Lina, ZHOU Yajun. The Effect of Temperature and Humidity on the Physical Properties of Cellulose Acetate Film[J]. Imaging Science and Photochemistry, 2017, 35(6): 797-807.

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