TW200738758A - Method for production of modified water absorbent resin - Google Patents
Method for production of modified water absorbent resinInfo
- Publication number
- TW200738758A TW200738758A TW096112002A TW96112002A TW200738758A TW 200738758 A TW200738758 A TW 200738758A TW 096112002 A TW096112002 A TW 096112002A TW 96112002 A TW96112002 A TW 96112002A TW 200738758 A TW200738758 A TW 200738758A
- Authority
- TW
- Taiwan
- Prior art keywords
- absorbent resin
- water absorbent
- water
- production
- resin composition
- 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
- C08J3/28—Treatment by wave energy or particle radiation
-
- 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
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/08—Homopolymers or copolymers of acrylic acid esters
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Graft Or Block Polymers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
This invention is to provide a method for producing a modified water absorbent resin having excellent production efficiency, and manifesting excellent absorbency against pressure, absorption speed, gel strength, a liquid permeability, and the like. This invention relates to a method for the production of a modified water absorbent resin, which comprises (a) a mixing step comprising mixing a water absorbent resin, water, and a water-soluble radical polymerization initiator without addition of an ethylenically unsaturated monomer, to obtain a water absorbent resin composition, and (b) an irradiating step comprising irradiating said water absorbent resin composition obtained in the mixing step with active energy rays, wherein a surface water content of said water absorbent resin in said water absorbent resin composition at least at any point of time in the irradiating step is controlled to a level of not lower than 3.0% by weight based on 100% by weight of the water absorbent resin.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006108081 | 2006-04-10 | ||
JP2006157577 | 2006-06-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200738758A true TW200738758A (en) | 2007-10-16 |
Family
ID=38609490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW096112002A TW200738758A (en) | 2006-04-10 | 2007-04-04 | Method for production of modified water absorbent resin |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2009533485A (en) |
TW (1) | TW200738758A (en) |
WO (1) | WO2007119730A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2008013041A (en) * | 2006-04-10 | 2008-10-17 | Procter & Gamble | An absorbent member comprising a modified water absorbent resin. |
CN114031819B (en) * | 2021-11-25 | 2022-10-21 | 东莞市兆科电子材料科技有限公司 | Hydrogel and preparation method and application thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH078883B2 (en) * | 1986-06-04 | 1995-02-01 | 大洋漁業株式会社 | Method for producing modified water absorbent resin |
JPS63260907A (en) * | 1987-04-17 | 1988-10-27 | Mitsubishi Petrochem Co Ltd | Manufacture of highly water-absorptive polymer |
JP4324055B2 (en) * | 2003-08-27 | 2009-09-02 | 株式会社日本触媒 | Method for producing surface-treated particulate water-absorbing resin |
JP2007056071A (en) * | 2005-08-22 | 2007-03-08 | Procter & Gamble Co | Method for preparing modified water absorbent resin |
JP2007077366A (en) * | 2005-09-16 | 2007-03-29 | Procter & Gamble Co | Method for producing water absorbent |
-
2007
- 2007-04-04 TW TW096112002A patent/TW200738758A/en unknown
- 2007-04-04 JP JP2008526310A patent/JP2009533485A/en active Pending
- 2007-04-04 WO PCT/JP2007/057936 patent/WO2007119730A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2009533485A (en) | 2009-09-17 |
WO2007119730A1 (en) | 2007-10-25 |
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