Deacidification treatment of printed cellulosic materials

The invention provides for improvements in composition and methods for the preservation of cellulosic materials through use of solutions comprising organic multi-valent metal carbonates, C1-C4 alcohol having a moisture content of less than 100 ppm, and 86-99 weight percent of a solvent having a mois...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SMITH RICHARD DANIEL
Format:	Patent
Sprache:	eng
Schlagworte:	COLOUR PRINTING IMPREGNATING OR COATING OF PAPER LINING MACHINES PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES PRODUCTION OF CELLULOSE PULP COMPOSITIONS STAMPS TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TYPEWRITERS
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Beschreibung
Zusammenfassung:	The invention provides for improvements in composition and methods for the preservation of cellulosic materials through use of solutions comprising organic multi-valent metal carbonates, C1-C4 alcohol having a moisture content of less than 100 ppm, and 86-99 weight percent of a solvent having a moisture content of less than 100 ppm.