METHOD OF REMOVING POLYVINYL ALCOHOL FROM CULTURAL PROPERTIES

PROBLEM TO BE SOLVED: To provide a new method of removing a polyvinyl alcohol (PVA) film applied to a surface of cultural properties such as paintings as a peel-off stopper.SOLUTION: A method of removing polyvinyl alcohol from cultural properties includes bringing the cultural property subjected to...

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Bibliographische Detailangaben
Hauptverfasser: HAYAKAWA NORIKO, YAMANAKA ISATO, KAWANOBE WATARU, SAKAI KIYOFUMI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a new method of removing a polyvinyl alcohol (PVA) film applied to a surface of cultural properties such as paintings as a peel-off stopper.SOLUTION: A method of removing polyvinyl alcohol from cultural properties includes bringing the cultural property subjected to restoration with the polyvinyl alcohol into contact with an enzyme composition, wherein the enzyme composition comprises: an enzyme that can oxidize the polyvinyl alcohol; and an enzyme that can hydrolyze the polyvinyl alcohol thus oxidized.