GRANULAR WATER ABSORBENT, ABSORBENT BODY CONTAINING SAID WATER ABSORBENT, AND ABSORBENT ARTICLE USING SAID ABSORBENT BODY

Provided is a particulate water absorbent with which an absorbent body having an excellent speed of incorporating liquid and enabling reduction in release amount can be produced.The particulate water absorbent contains poly(meth)acrylic acid (salt)-based water-absorbing resin particles as a main com...

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Bibliographische Detailangaben
Hauptverfasser:	ADACHI, Yoshifumi, SATO, Mai, WAKABAYASHI, Ryota, TORII, Kazushi, UEDA, Hiroko, FUJITA, Keisuke, UEDA, Junya, TAMAKI, Mariko, KITANO, Takahiro, IKEUCHI, Hiroyuki, NODA, Yuika, YORINO, Tsuyoshi, NODA, Atsuhiro, KANEKO, Jumpei
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	Provided is a particulate water absorbent with which an absorbent body having an excellent speed of incorporating liquid and enabling reduction in release amount can be produced.The particulate water absorbent contains poly(meth)acrylic acid (salt)-based water-absorbing resin particles as a main component, and the particulate water absorbent includes a cavity that is a space connecting to outside and a void that is a closed space not connecting to outside, in which a cavity ratio to a total volume is 10% by volume or more, and a void ratio to a total volume is 0.5% by volume or less.