GB2267094B - Highly absorbent polymer - Google Patents

Highly absorbent polymer

Info

Publication number
GB2267094B
GB2267094B GB9307870A GB9307870A GB2267094B GB 2267094 B GB2267094 B GB 2267094B GB 9307870 A GB9307870 A GB 9307870A GB 9307870 A GB9307870 A GB 9307870A GB 2267094 B GB2267094 B GB 2267094B
Authority
GB
United Kingdom
Prior art keywords
absorbent polymer
highly absorbent
highly
polymer
absorbent
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 - Fee Related
Application number
GB9307870A
Other versions
GB2267094A (en
GB9307870D0 (en
Inventor
Takayuki Amiya
Ryuichi Nouki
Hiromi Nambu
Takatoshi Kobayashi
Hirofumi Nakanishi
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.)
Kao Corp
Original Assignee
Kao Corp
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
Application filed by Kao Corp filed Critical Kao Corp
Publication of GB9307870D0 publication Critical patent/GB9307870D0/en
Publication of GB2267094A publication Critical patent/GB2267094A/en
Application granted granted Critical
Publication of GB2267094B publication Critical patent/GB2267094B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • 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
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
GB9307870A 1992-04-17 1993-04-16 Highly absorbent polymer Expired - Fee Related GB2267094B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9805492 1992-04-17

Publications (3)

Publication Number Publication Date
GB9307870D0 GB9307870D0 (en) 1993-06-02
GB2267094A GB2267094A (en) 1993-11-24
GB2267094B true GB2267094B (en) 1996-08-28

Family

ID=14209550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9307870A Expired - Fee Related GB2267094B (en) 1992-04-17 1993-04-16 Highly absorbent polymer

Country Status (3)

Country Link
GB (1) GB2267094B (en)
HK (1) HK1003575A1 (en)
MY (1) MY110150A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5599335A (en) 1994-03-29 1997-02-04 The Procter & Gamble Company Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer
US9593212B2 (en) 2006-09-29 2017-03-14 Nippon Shokubai Co., Ltd. Method for producing water absorbent resin particle

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1364985A1 (en) * 1994-12-08 2003-11-26 Nippon Shokubai Co., Ltd. Water-absorbent resin, process for production thereof, and water-absorbent resin composition
FR2744456A1 (en) * 1996-02-07 1997-08-08 Atochem Elf Sa SUPERABSORBENT POLYMERS WITH A HEART-SHELL STRUCTURE AND THEIR PROCESS FOR OBTAINING
US7193006B2 (en) 2002-12-06 2007-03-20 Nippon Shokubai Co., Ltd. Process for continuous production of water-absorbent resin product
US8247491B2 (en) 2003-02-10 2012-08-21 Nippon Shokubai Co., Ltd. Water-absorbent resin composition and its production process
EP1594608B1 (en) 2003-02-10 2013-07-17 Nippon Shokubai Co., Ltd. Particulate water absorbent containing water absorbent resin as a main component
AU2005226426B2 (en) 2004-03-29 2009-01-15 Nippon Shokubai Co., Ltd. Particulate water absorbing agent with water-absorbing resin as main component
CN1938083B (en) 2004-03-31 2011-06-08 株式会社日本触媒 An aqueous-liquid-absorbing agent and its production process
WO2006025586A1 (en) 2004-09-02 2006-03-09 Nippon Shokubai Co., Ltd. Water absorbent material, method for production of surface cross-linked water absorbent resin, and method for evaluation of water absorbent material
MX2007003509A (en) 2004-09-24 2007-08-07 Nippon Catalytic Chem Ind Particulate water-absorbing agent containing water-absorbent resin as a main component.
TWI353360B (en) 2005-04-07 2011-12-01 Nippon Catalytic Chem Ind Production process of polyacrylic acid (salt) wate
EP1882701B1 (en) 2005-05-16 2018-07-04 Sumitomo Seika Chemicals Co., Ltd. Process for production of water-absorbing resin particles, water-absorbing resin particles made by the process, and absorbents and absorbent articles made by using the particles
TWI394789B (en) 2005-12-22 2013-05-01 Nippon Catalytic Chem Ind Water-absorbent resin composition, method of manufacturing the same, and absorbent article
EP1837348B9 (en) 2006-03-24 2020-01-08 Nippon Shokubai Co.,Ltd. Water-absorbing resin and method for manufacturing the same
EP2484439B1 (en) 2009-09-29 2022-12-14 Nippon Shokubai Co., Ltd. Particulate water absorbent and process for production thereof
US11084020B2 (en) 2017-03-02 2021-08-10 Sumitomo Seika Chemicals Co., Ltd. Water-absorbent resin and absorbent article
JPWO2018159803A1 (en) 2017-03-02 2019-12-26 住友精化株式会社 Water absorbent resin and sandbag
US20200115476A1 (en) 2017-03-02 2020-04-16 Sumitomo Seika Chemicals Co., Ltd. Water-absorbent resin, soil water-retaining material, and agricultural/horticultural material

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340706A (en) * 1980-03-19 1982-07-20 Seitetsu Kagaku Co., Ltd. Alkali metal acrylate or ammonium acrylate polymer excellent in salt solution-absorbency and process for producing same
GB2119384A (en) * 1982-04-19 1983-11-16 Nippon Catalytic Chem Ind Absorbent article
GB2126591A (en) * 1982-09-02 1984-03-28 Kao Corp Process for producing highly water absorptive polymer
US4507438A (en) * 1981-12-30 1985-03-26 Seitetsu Kagaku Co., Ltd. Water-absorbent resin having improved water-absorbency and improved water-dispersibility and process for producing same
GB2155020A (en) * 1984-03-05 1985-09-18 Kao Corp Absorptive polymers
GB2179663A (en) * 1985-08-30 1987-03-11 Kao Corp Absorptive resins
EP0317106A2 (en) * 1987-10-29 1989-05-24 Nippon Shokubai Kagaku Kogyo Co., Ltd Method of surface-treating water-absorbent resin
US5053460A (en) * 1989-03-16 1991-10-01 Societe Francaise Hoechst Hydrophilic polymer based on acrylic acid and alkali metal acrylate, its preparation process and its use as an absorbing agent
US5055501A (en) * 1986-11-06 1991-10-08 Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha Process for producing highly water-absorbing resins from diepoxides and acrylic polymers

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340706A (en) * 1980-03-19 1982-07-20 Seitetsu Kagaku Co., Ltd. Alkali metal acrylate or ammonium acrylate polymer excellent in salt solution-absorbency and process for producing same
US4507438A (en) * 1981-12-30 1985-03-26 Seitetsu Kagaku Co., Ltd. Water-absorbent resin having improved water-absorbency and improved water-dispersibility and process for producing same
GB2119384A (en) * 1982-04-19 1983-11-16 Nippon Catalytic Chem Ind Absorbent article
GB2126591A (en) * 1982-09-02 1984-03-28 Kao Corp Process for producing highly water absorptive polymer
GB2155020A (en) * 1984-03-05 1985-09-18 Kao Corp Absorptive polymers
GB2179663A (en) * 1985-08-30 1987-03-11 Kao Corp Absorptive resins
US5055501A (en) * 1986-11-06 1991-10-08 Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha Process for producing highly water-absorbing resins from diepoxides and acrylic polymers
EP0317106A2 (en) * 1987-10-29 1989-05-24 Nippon Shokubai Kagaku Kogyo Co., Ltd Method of surface-treating water-absorbent resin
US5053460A (en) * 1989-03-16 1991-10-01 Societe Francaise Hoechst Hydrophilic polymer based on acrylic acid and alkali metal acrylate, its preparation process and its use as an absorbing agent

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5599335A (en) 1994-03-29 1997-02-04 The Procter & Gamble Company Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer
US5669894A (en) 1994-03-29 1997-09-23 The Procter & Gamble Company Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer
US9593212B2 (en) 2006-09-29 2017-03-14 Nippon Shokubai Co., Ltd. Method for producing water absorbent resin particle

Also Published As

Publication number Publication date
GB2267094A (en) 1993-11-24
MY110150A (en) 1998-02-28
HK1003575A1 (en) 1998-10-30
GB9307870D0 (en) 1993-06-02

Similar Documents

Publication Publication Date Title
EG20459A (en) Absorbent compositif
TW351991U (en) Diaper
GB9223350D0 (en) Polymer composition
GB9216285D0 (en) Absorbent product
HK1006395A1 (en) Absorbent article
EP0750894A3 (en) Absorbent article
HK1014481A1 (en) Absorbent article
ZA9410072B (en) Bandages
GR910100441A (en) Absorbent matters
GB2267094B (en) Highly absorbent polymer
GB2269109B (en) Absorbent article
TW328715U (en) Absorbent products
IL108107A0 (en) Tampon
GB9226681D0 (en) Blump stop
TW418678U (en) Diaper
GB2267830B (en) Absorbent article
GB9309355D0 (en) Absorbent material
SG64361A1 (en) Absorbent article
ZA935537B (en) Absorbent product
AU4706693A (en) Polymeric anticalculus agents
GB9218635D0 (en) The nonslop napkin
GB9217625D0 (en) Polymer materials
GB9220225D0 (en) Nappies
AU119638S (en) Nappy
AU118303S (en) Nappy

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100416