Research of Acetic Acid Environment Affect on the Acetate Film Physical Properties

doi:10.7517/j.issn.1674-0475.2015.03.244

Abstract

Abstract:

The so-called "Acid Syndrome" produced by Hydrolysis of cellulose acetate film is one of the biggest challenge in preservation. No better treatment for it so far, and acetic acid produced by film itself degradation will seriously affect the film physical properties, but the research of film physical properties change by acetic acid was less. In this paper, through anolog experiment of acetic acid accumulation in airtight environment, and analyzed the effects of acetic acid on physical properties in film degradation process. The results showed that acetic acid can accelerate degradation of the film. With the acetic acid increased , the degree of distortion and degradation, moisture content, the emulsion layer hydrophilicity and folding endurance were all increased, but the tensile strength and thermal stability of the film decreased.

Key words: cellulose acetate film, acetic acid, degradation, shrinkage of the film, strength, thermostability

SHI Meirong, LI Yuhu, ZHOU Yajun, WANG Zhaoyang, RONG Yan, JIA Zhihui. Research of Acetic Acid Environment Affect on the Acetate Film Physical Properties[J]. Imaging Science and Photochemistry, 2015, 33(3): 244-250.

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