METHOD FOR PRODUCING FINE-FIBROUS CELLULOSE COMPOSITE SHEET AND METHOD FOR PRODUCING FINE-FIBROUS CELLULOSE COMPOSITE SHEET LAMINATE

• Main Authors: KAWAMUKAI TAKASHI, NOISHIKI YASUTOMO, TSUNODA MITSURU, ASAYAMA YOSHIYUKI
• Format: Patent
• Language: English; Japanese
• Published: 18.06.2015
• Subjects: 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

PROBLEM TO BE SOLVED: To provide a method for efficiently producing a fine-fibrous cellulose composite sheet.SOLUTION: There is provided a method for producing a fine-fibrous cellulose composite sheet, which is a method for producing a composite sheet using a fine fibrous cellulose, the method comprising: a step of preparing a mixed solution by mixing a specific polymer emulsion in an aqueous suspension containing a fine fibrous cellulose; a step of forming a sheet containing moisture by dehydrating the mixed solution by filtration on a porous substrate; and a step of heating and drying the sheet containing moisture. 【課題】微細繊維状セルロースコンポジットシートを効率的に製造する方法を提供する。【解決手段】本発明の微細繊維状セルロースコンポジットシートの製造方法は、微細繊維状セルロースを用いたコンポジットシートの製造方法であって、微細繊維状セルロースを含む水系懸濁液に特定の高分子エマルションを混合して混合液を製造する調製工程、前記混合液を多孔性の基材上でろ過により脱水して水分を含んだシートを形成する抄紙工程、及び前記水分を含んだシートを加熱乾燥する乾燥工程を有する。【選択図】なし