CELLULOSE ETHER EXHIBITING DELAYED DISSOLUTION AND PROCESS FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a cellulose ether exhibiting delayed dissolution. SOLUTION: This process for producing the cellulose ether exhibiting the delayed dissolution in water comprises steps of (a) treating a wet cellulose ether with a dialdehyde solution and (b) drying and fine pulverizati...

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Bibliographische Detailangaben
Hauptverfasser:	DANNHORN WOLFGANG, HEHL FRANK, PANNEK JORN-BERND, MUELLER VOLKHARD DR, SCHLESIGER HARTWIG
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DERIVATIVES THEREOF DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES POLYSACCHARIDES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a cellulose ether exhibiting delayed dissolution. SOLUTION: This process for producing the cellulose ether exhibiting the delayed dissolution in water comprises steps of (a) treating a wet cellulose ether with a dialdehyde solution and (b) drying and fine pulverization of the cellulose ether. An aqueous solution of a salt is added simultaneously or together with the dialdehyde solution so as to uniformly set the pH of the cellulose ether at 6.0-8.0. COPYRIGHT: (C)2003,JPO