TREATMENT METHOD OF PULP SHEET AND METHOD FOR PRODUCING HYDRAULIC MATERIAL

PROBLEM TO BE SOLVED: To provide a treatment method of a pulp sheet, which can reduce a ratio of a pulp sheet that is not disaggregated even though the pulp sheet has high density, and to provide a method for producing a hydraulic material using a disaggregated pulp fiber.SOLUTION: The treatment met...

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Bibliographische Detailangaben
Hauptverfasser:	OMAE TAKAHIRO, WATANABE HIROSHI, MATSUYAMA AKIHIKO, TSUTSUMI YASUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a treatment method of a pulp sheet, which can reduce a ratio of a pulp sheet that is not disaggregated even though the pulp sheet has high density, and to provide a method for producing a hydraulic material using a disaggregated pulp fiber.SOLUTION: The treatment method of the pulp sheet is a method for preliminarily treating the pulp sheet to allow the produced pulp sheet to be easily disaggregated with a dry type method. The pulp sheet is impregnated with an aqueous solution of a surfactant, and then is dried.