EA201691536A1 - Повторная переработка частиц завышенного размера при получении водоабсорбирующих полимерных частиц - Google Patents
Повторная переработка частиц завышенного размера при получении водоабсорбирующих полимерных частицInfo
- Publication number
- EA201691536A1 EA201691536A1 EA201691536A EA201691536A EA201691536A1 EA 201691536 A1 EA201691536 A1 EA 201691536A1 EA 201691536 A EA201691536 A EA 201691536A EA 201691536 A EA201691536 A EA 201691536A EA 201691536 A1 EA201691536 A1 EA 201691536A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- additional
- fraction
- particles
- polymer gel
- water
- Prior art date
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/04—Polymerisation in solution
- C08F2/10—Aqueous solvent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/008—Treatment of solid polymer wetted by water or organic solvents, e.g. coagulum, filter cakes
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- 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
- C08J3/128—Polymer particles coated by inorganic and non-macromolecular organic compounds
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
- C08F222/103—Esters of polyhydric alcohols or polyhydric phenols of trialcohols, e.g. trimethylolpropane tri(meth)acrylate
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/02—Applications for biomedical use
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Hematology (AREA)
- Inorganic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
Настоящее изобретение, в целом, относится к способу непрерывного получения продукта в виде водоабсорбирующей полимерной частицы, включающему технологические стадии (i) получения водного раствора мономера; (ii) необязательного добавления мелких частиц водоабсорбирующего полимера к водному раствору мономера; (iii) добавления инициатора полимеризации или по меньшей мере одного компонента системы инициатора полимеризации; (iv) необязательного уменьшения содержания кислорода в водном растворе мономера; (v) загрузки водного раствора мономера в реактор полимеризации; (vi) полимеризации в реакторе полимеризации с получением полимерного геля; (vii) выгрузки полимерного геля из реактора полимеризации и необязательного дробления полимерного геля; (viii) высушивания полимерного геля в первом сушильном устройстве; (ix) измельчения высушенного полимерного геля в первом измельчающем устройстве с получением водоабсорбирующих полимерных частиц; (х) сортировки по размеру в первом сортировочном устройстве; (xi) приведения в контакт со сшивающей композицией; (xii) высушивания в дополнительном сушильном устройстве; (xiii) сортировки по размеру в дополнительном сортировочном устройстве с получением первой фракции и дополнительной фракции, (xiv) дополнительного измельчения по меньшей мере части первой фракции в дополнительном измельчающем устройстве с получением дополнительно измельченной первой фракции; где на технологической стадии (xii) дополнительно измельченную первую фракцию возвращают в дополнительное сушильное устройство; где дополнительная фракция содержит продукт в виде водоабсорбирующей полимерной частицы.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2014/003662 WO2015163507A1 (en) | 2014-04-25 | 2014-04-25 | Recycling of oversized particles in the production of water-absorbent polymer particles |
Publications (2)
Publication Number | Publication Date |
---|---|
EA201691536A1 true EA201691536A1 (ru) | 2017-02-28 |
EA031422B1 EA031422B1 (ru) | 2018-12-28 |
Family
ID=54332659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA201691536A EA031422B1 (ru) | 2014-04-25 | 2014-04-25 | Способ и устройство для получения водоабсорбирующих полимерных частиц, применение частиц, композиционный материал и способ его получения |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR20170002469A (ru) |
CN (1) | CN106232688B (ru) |
EA (1) | EA031422B1 (ru) |
WO (1) | WO2015163507A1 (ru) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6228930B1 (en) * | 1997-06-18 | 2001-05-08 | Nippon Shokubai Co., Ltd. | Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule |
WO2008086972A1 (en) * | 2007-01-16 | 2008-07-24 | Basf Se | Production of superabsorbent polymers on a continuous belt reactor |
US20120157634A1 (en) * | 2009-08-25 | 2012-06-21 | Basf Se | Soft Particulate Superabsorbent and Use Thereof |
US8871880B2 (en) * | 2012-03-22 | 2014-10-28 | Evonik Corporation | Superabsorbent copolymer |
WO2013182469A2 (en) * | 2012-06-08 | 2013-12-12 | Basf Se | Odour-control superabsorbent |
-
2014
- 2014-04-25 KR KR1020167032638A patent/KR20170002469A/ko not_active IP Right Cessation
- 2014-04-25 EA EA201691536A patent/EA031422B1/ru unknown
- 2014-04-25 CN CN201480078211.5A patent/CN106232688B/zh active Active
- 2014-04-25 WO PCT/KR2014/003662 patent/WO2015163507A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN106232688B (zh) | 2019-08-20 |
WO2015163507A1 (en) | 2015-10-29 |
EA031422B1 (ru) | 2018-12-28 |
CN106232688A (zh) | 2016-12-14 |
KR20170002469A (ko) | 2017-01-06 |
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