MY110150A - Highly absorbent polymer - Google Patents
Highly absorbent polymerInfo
- 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
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
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)
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)
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 |
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 |
MXPA04009844A (en) | 2003-02-10 | 2004-12-07 | Nippon Catalytic Chem Ind | Particulate water absorbent containing water absorbent resin as a main component. |
EP1594557B1 (en) | 2003-02-10 | 2019-05-01 | Nippon Shokubai Co., Ltd. | Water-absorbent resin composition and its production process |
RU2338754C2 (en) | 2004-03-29 | 2008-11-20 | Ниппон Шокубаи Ко., Лтд. | Water-absorbing agent in form of particles with irregular shape after grinding |
KR20070007162A (en) | 2004-03-31 | 2007-01-12 | 니폰 쇼쿠바이 컴파니 리미티드 | An aqueous-liquid-absorbing agent and its production process |
KR100944467B1 (en) | 2004-09-02 | 2010-03-03 | 니폰 쇼쿠바이 컴파니 리미티드 | Water absorbent material, method for production of surface cross-linked water absorbent resin, and method for evaluation of water absorbent material |
CN101031608B (en) | 2004-09-24 | 2010-12-08 | 株式会社日本触媒 | 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 |
WO2008038840A1 (en) | 2006-09-29 | 2008-04-03 | Nippon Shokubai Co., Ltd. | Method for producing water absorbent resin particle |
US8952116B2 (en) | 2009-09-29 | 2015-02-10 | Nippon Shokubai Co., Ltd. | Particulate water absorbent and process for production thereof |
KR20190120219A (en) | 2017-03-02 | 2019-10-23 | 스미토모 세이카 가부시키가이샤 | Absorbent Resin, Soil Repair, and Agricultural Horticulture Materials |
JPWO2018159800A1 (en) | 2017-03-02 | 2019-12-26 | 住友精化株式会社 | Water absorbent resin and absorbent articles |
WO2018159803A1 (en) | 2017-03-02 | 2018-09-07 | 住友精化株式会社 | Water-absorbent resin, and soil |
Family Cites Families (9)
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 |
DE3878533T2 (en) * | 1987-10-29 | 1993-06-03 | Nippon Catalytic Chem Ind | METHOD FOR 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 |
-
1993
- 1993-04-14 MY MYPI93000680A patent/MY110150A/en unknown
- 1993-04-16 GB GB9307870A patent/GB2267094B/en not_active Expired - Fee Related
-
1998
- 1998-03-27 HK HK98102645A patent/HK1003575A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2267094A (en) | 1993-11-24 |
GB2267094B (en) | 1996-08-28 |
GB9307870D0 (en) | 1993-06-02 |
HK1003575A1 (en) | 1998-10-30 |
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