DE60143377D1 - Herstellungsverfahren für ein wasserabsorbierendes Harz - Google Patents

Herstellungsverfahren für ein wasserabsorbierendes Harz

Info

Publication number
DE60143377D1
DE60143377D1 DE60143377T DE60143377T DE60143377D1 DE 60143377 D1 DE60143377 D1 DE 60143377D1 DE 60143377 T DE60143377 T DE 60143377T DE 60143377 T DE60143377 T DE 60143377T DE 60143377 D1 DE60143377 D1 DE 60143377D1
Authority
DE
Germany
Prior art keywords
water
production method
absorbent resin
absorbent
resin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60143377T
Other languages
English (en)
Inventor
Takumi Hatsuda
Yoshio Irie
Masatoshi Nakamura
Katsuyuki Wada
Shinichi Fujino
Kazuki Kimura
Kunihiko Ishizaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Shokubai Co Ltd
Original Assignee
Nippon Shokubai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26600356&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60143377(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
Application granted granted Critical
Publication of DE60143377D1 publication Critical patent/DE60143377D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/122—Pulverisation by spraying
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S524/916—Hydrogel compositions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
DE60143377T 2000-09-20 2001-09-06 Herstellungsverfahren für ein wasserabsorbierendes Harz Expired - Lifetime DE60143377D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000285658 2000-09-20
JP2000336813 2000-11-06

Publications (1)

Publication Number Publication Date
DE60143377D1 true DE60143377D1 (de) 2010-12-16

Family

ID=26600356

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60143377T Expired - Lifetime DE60143377D1 (de) 2000-09-20 2001-09-06 Herstellungsverfahren für ein wasserabsorbierendes Harz

Country Status (6)

Country Link
US (2) US6720389B2 (de)
EP (2) EP2272898B1 (de)
JP (1) JP5430620B2 (de)
CN (3) CN1305938C (de)
BR (1) BR0104140B1 (de)
DE (1) DE60143377D1 (de)

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BR0104140A (pt) 2002-05-07
EP1191051A2 (de) 2002-03-27
US20020061978A1 (en) 2002-05-23
CN1515604A (zh) 2004-07-28
EP2272898A1 (de) 2011-01-12
BR0104140B1 (pt) 2011-05-17
CN1221594C (zh) 2005-10-05
US6720389B2 (en) 2004-04-13
CN1644607A (zh) 2005-07-27
CN1346839A (zh) 2002-05-01
EP1191051A3 (de) 2002-09-25
US7183456B2 (en) 2007-02-27
JP2011214016A (ja) 2011-10-27
CN100497447C (zh) 2009-06-10
CN1305938C (zh) 2007-03-21
EP1191051B1 (de) 2010-11-03
US20040186244A1 (en) 2004-09-23
JP5430620B2 (ja) 2014-03-05

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