Acid-catalysed degradation of historic c
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N.S. Allen; M. Edge; J.H. Appleyard; T.S. Jewitt; C.V. Horie; D. Francis
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Article
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1988
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Elsevier Science
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English
โ 529 KB
The natural and artificial degradations of cellulose triacetate based cinematographic film have been studied by moisture regain, viscometry, u.v. absorption, pH and degree of insolubilization. The effect of humidity, emulsion, plasticizer, negative and positive images and film can storage are invest