MY110150A - Highly absorbent polymer - Google Patents

Highly absorbent polymer

Info

Publication number
MY110150A
MY110150A MYPI93000680A MYPI19930680A MY110150A MY 110150 A MY110150 A MY 110150A MY PI93000680 A MYPI93000680 A MY PI93000680A MY PI19930680 A MYPI19930680 A MY PI19930680A MY 110150 A MY110150 A MY 110150A
Authority
MY
Malaysia
Prior art keywords
physiological saline
hydrophilic
insoluble
polymer
water
Prior art date
Application number
MYPI93000680A
Inventor
Nouki Ryuichi
Kobayashi Takatoshi
Amiya Takayuki
Nambu Hiromi
Nakanishi Hirofumi
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 MY110150A publication Critical patent/MY110150A/en

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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Hematology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

A HIGHLY ABSORBENT POLYMER COMPRISES WATER-INSOLUBLE, HYDROPHILIC, CROSSLINKED POLYMER PARTICLES HAVING CARBOXYL OR CARBOXYLATE GROUPS,CHARACTERIZED IN THAT SAID WATER-INSOLUBLE, HYDROPHILIC, CROSSLINKED POLYMER PARTICLES HAVE AN ABSORBING CAPACITY SATISFYING THE FOLLOWING REQUIREMENTS (I) TO (III), SAID ABSORBING CAPACITY BEING IMPARTED BY ENHANCING THE CROSSLINKING DENSITY OF THE SURFACES OF SAID WATER-INSOLUBLE, HYDROPHILIC, CROSSLINKED POLYMER PARTICLES:(I) THE EQUILIBRIUM SWELLING PHYSIOLOGICAL SALINE ABSORPTION IS 40 G/G (POLYMER) OR MORE; (II)THE PHYSIOLOGICAL SALINE ABSORPTION IS 3 ML OR MORE AS DETERMINED BY SWELLING 0.3 G OF THE POLYMER WITH PHYSIOLOGICAL SALINE FOR 10 SEC; AND (III)THE TIME TAKEN FOR 5 ML OF PHYSIOLOGICAL SALINE TO PASS THROUGH A CYLINDER (INTERNAL DIAMETER: 10MM) HAVING A CROSS-SECTIONAL AREA OF 0.785 CM2 IS 40 SEC OR LESS AFTER 0.05 G OF THE POLYMER IS PACKED TOGETHER WITH PHYSIOLOGICAL SALINE INTO THE CYLINDER AND SWOLLEN WITH THE PHYSIOLOGICAL SALINE, REACHES AN EQUILIBRIUM SWELLING PHYSIOLOGICAL SALINE ABSORPTION AND SETTLES IN A SWOLLEN STATE.(FIG 1)
MYPI93000680A 1992-04-17 1993-04-14 Highly absorbent polymer MY110150A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
MY110150A true MY110150A (en) 1998-02-28

Family

ID=14209550

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI93000680A MY110150A (en) 1992-04-17 1993-04-14 Highly absorbent polymer

Country Status (3)

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

Families Citing this family (19)

* 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
US5985944A (en) * 1994-12-08 1999-11-16 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
WO2004069293A1 (en) 2003-02-10 2004-08-19 Nippon Shokubai Co., Ltd. Water-absorbent resin composition and its production process
AU2004210275B2 (en) 2003-02-10 2006-03-09 Nippon Shokubai Co., Ltd. Particulate water absorbent containing water absorbent resin as a main component
US20070066167A1 (en) 2004-03-29 2007-03-22 Katsuyuki Wada Particulate water absorbing agent with water-absorbing resin as main component
EP1729881A4 (en) 2004-03-31 2012-07-04 Nippon Catalytic Chem Ind An aqueous-liquid-absorbing agent and its production process
EP1784443B1 (en) 2004-09-02 2015-04-22 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
EP1791894B1 (en) 2004-09-24 2020-10-21 Nippon Shokubai Co., Ltd. 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
WO2006123561A1 (en) 2005-05-16 2006-11-23 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
EP2066737B1 (en) 2006-09-29 2012-12-12 Nippon Shokubai Co., Ltd. Method for producing water absorbent resin particle
JP5801203B2 (en) 2009-09-29 2015-10-28 株式会社日本触媒 Particulate water absorbing agent and method for producing the same
US20200115476A1 (en) 2017-03-02 2020-04-16 Sumitomo Seika Chemicals Co., Ltd. Water-absorbent resin, soil water-retaining material, and agricultural/horticultural material
US11332558B2 (en) 2017-03-02 2022-05-17 Sumitomo Seika Chemicals Co., Ltd. Water-absorbent resin, and soil
CN110325559A (en) 2017-03-02 2019-10-11 住友精化株式会社 Water-absorbing resins and absorbent commodity

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6025045B2 (en) * 1980-03-19 1985-06-15 製鉄化学工業株式会社 Method for producing acrylic acid polymer with excellent salt water absorption ability
JPS6018690B2 (en) * 1981-12-30 1985-05-11 住友精化株式会社 Method for improving water absorbency of water absorbent resin
JPS58180233A (en) * 1982-04-19 1983-10-21 Nippon Shokubai Kagaku Kogyo Co Ltd Absorbing agent
GB2126591B (en) * 1982-09-02 1986-07-30 Kao Corp Process for producing highly water absorptive polymer
US4666975A (en) * 1984-03-05 1987-05-19 Kao Corporation Absorptive material
JPH078882B2 (en) * 1985-08-30 1995-02-01 花王株式会社 Manufacturing method of highly water-absorbent resin with excellent durability
JPS63118308A (en) * 1986-11-06 1988-05-23 Nippon Synthetic Chem Ind Co Ltd:The Production of highly water-absorbing resin
ES2039640T3 (en) * 1987-10-29 1993-10-01 Nippon Shokubai Kagaku Kogyo Co., Ltd A METHOD OF TREATING THE SURFACE OF A WATER ABSORBENT RESIN.
FR2644467B1 (en) * 1989-03-16 1991-07-12 Hoechst Ag HYDROPHILIC POLYMER BASED ON ACRYLIC ACID AND ALKALI METAL ACRYLATE, METHOD FOR PREPARING SAME AND APPLICATION AS ABSORBENT AGENT, IN PARTICULAR AS ABSORBENT AGENT FOR HYGIENE ARTICLES

Also Published As

Publication number Publication date
GB2267094A (en) 1993-11-24
GB9307870D0 (en) 1993-06-02
HK1003575A1 (en) 1998-10-30
GB2267094B (en) 1996-08-28

Similar Documents

Publication Publication Date Title
MY110150A (en) Highly absorbent polymer
ES2045259T3 (en) DENTAL MATERIALS.
CA2049861A1 (en) Absorbent body and absorbent article
ES2008819A6 (en) Water absorbent structures.
ES2161730T3 (en) ABSORBENT COMPOSITION AND DISPOSABLE diaper that contains it.
DE69430746T2 (en) DRIED HYDROGELS FROM ACEMANNAN
FI812601L (en) ABSORBER PRODUKTER FOERFARANDE OCH KOMPOSITIONER FOER IMMOBILISERANDE AV FINFOERDELADE ABSORBENTER
CA2183965A1 (en) Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer
ATE251203T1 (en) ABSORBING SWELLABLE MATERIAL MADE OF CROSS-LINKED POLYASPARTATE
ES2090319T3 (en) SUSPENSION POLYMERIZATION OF A VINYL COMPOUND.
KR920002219A (en) Absorbent, preparation method thereof, and method for reducing water content of powder using same
MX174200B (en) DECAFFEINATION OF LIQUID MEDIUM
PT87404A (en) PROCESS FOR THE PREPARATION OF AN ADDITIVE FOR THE FIRE EXTINCTION WATER CONTAINING HIGH POLYMERS
ES8602046A1 (en) Polymer blends with high water absorption.
ES2053870T3 (en) LOADING SUBSTANCES.
KR950031090A (en) Pharmaceutical composition for the treatment of hemorrhoids
JPS55129442A (en) Water-containing gel material
JP3522309B2 (en) Absorber
KR920003996A (en) Absorbers and Absorbents
TH21043EX (en) Highly absorbable polymers
MY100419A (en) Sanitary article
RU95105648A (en) MEANS FOR TREATMENT OF THE RAS
ES8606427A1 (en) Process for the preparation of a water-absorbent polymer
PT88547A (en) Liq.-absorbent structure for napkins etc. - comprises hydrophilic fibrous web contg. hydrogel-forming agent having specified particle size, etc.
TH21043A (en) Highly absorbable polymers