MOISTURE ADSORBING/DESORBING SHEET AND PRODUCTION METHOD THEREOF

To provide a moisture absorbing/desorbing sheet excellent in a moisture absorbing/desorbing characteristic under a low humidity, in which an excellent hygroscopic property under a low humidity held by A type silica gel is stabilized.SOLUTION: In a moisture absorbing/desorbing sheet containing fibers...

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Hauptverfasser:	HANATANI TOSHIKAZU, SHINODA TAKASHI, TAJIMA HIROKUNI, YAMAKI TOMOE, NAKAGAWA HIROSHI, UMEMOTO DAISUKE
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS SEPARATION TEXTILES THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	To provide a moisture absorbing/desorbing sheet excellent in a moisture absorbing/desorbing characteristic under a low humidity, in which an excellent hygroscopic property under a low humidity held by A type silica gel is stabilized.SOLUTION: In a moisture absorbing/desorbing sheet containing fibers containing at least cellulosic fibers, and A type silica gel, the content of the A type silica gel to the total amount of the fibers and the A type silica gel is 40 wt% or more. In the moisture absorbing/desorbing sheet, pH of the sheet measured based on JIS P 8133-1:2013 is 6 or lower.SELECTED DRAWING: None 【課題】Ａ型シリカゲルが有する低湿度下での優れた吸湿性が安定化し、低湿度下での吸放湿特性に優れた吸放湿性シートを提供すること。【解決手段】セルロース系繊維を少なくも含む繊維およびＡ型シリカゲルを含有し、繊維とＡ型シリカゲルの合計量に対するＡ型シリカゲルの含有量が４０重量％以上である吸放湿性シートであって、ＪＩＳＰ８１３３−１：２０１３に準拠して測定されるシートのｐＨが６以下であることを特徴とする、吸放湿性シート。【選択図】なし