EA201691537A1 - Получение мономера с избыточной нейтрализацией для получения водоабсорбирующих полимерных частиц - Google Patents
Получение мономера с избыточной нейтрализацией для получения водоабсорбирующих полимерных частицInfo
- Publication number
- EA201691537A1 EA201691537A1 EA201691537A EA201691537A EA201691537A1 EA 201691537 A1 EA201691537 A1 EA 201691537A1 EA 201691537 A EA201691537 A EA 201691537A EA 201691537 A EA201691537 A EA 201691537A EA 201691537 A1 EA201691537 A1 EA 201691537A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- monomer solution
- water
- polymer gel
- absorbing polymer
- aqueous monomer
- Prior art date
Links
Classifications
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/22—Stationary reactors having moving elements inside in the form of endless belts
-
- 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
-
- 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
-
- 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
- C08F20/00—Homopolymers and 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
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/04—Acids, Metal salts or ammonium salts thereof
- C08F20/06—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
- 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
-
- 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
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- 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
-
- 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
- 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
- C08J2333/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
Abstract
Настоящее изобретение, в целом, относится к способу получения водоабсорбирующих полимерных частиц, включающему технологические стадии (i) получения водного раствора мономера, содержащего по меньшей мере один частично нейтрализованный, моноэтиленненасыщенный мономер, содержащий группы карбоновой кислоты (α1), и по меньшей мере один сшивающий агент (α3); (ii) необязательного добавления мелких частиц водоабсорбирующего полимера к водному раствору мономера; (iii) добавления инициатора полимеризации или по меньшей мере одного компонента системы инициатора полимеризации к водному раствору мономера; (iv) необязательного уменьшения содержания кислорода в водном растворе мономера; (v) загрузки водного раствора мономера в реактор полимеризации; (vi) полимеризации мономеров с получением полимерного геля; (vii) выгрузки полимерного геля из реактора полимеризации и необязательного дробления полимерного геля; (viii) высушивания необязательно дробленого полимерного геля; (ix) измельчения высушенного полимерного геля с получением водоабсорбирующих полимерных частиц; (х) сортировки по размеру измельченных водоабсорбирующих полимерных частиц; и (xi) необязательной обработки поверхности измельченных и отсортированных по размеру водоабсорбирующих полимерных частиц; где на технологической стадии (i) получение водного раствора мономера включает: (i1) обеспечение первой части акриловой кислоты; и (i2) приведение в контакт первой части акриловой кислоты с гидроксидом на первой стадии приведения в контакт с получением первой акрилатной фазы; и (i3) приведение в контакт первой акрилатной фазы с дополнительной частью акриловой кислоты на второй стадии приведения в
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2014/003672 WO2015163514A1 (en) | 2014-04-25 | 2014-04-25 | Monomer preparation with over-neutralization for production of water-absorbent polymer particles |
Publications (2)
Publication Number | Publication Date |
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EA201691537A1 true EA201691537A1 (ru) | 2017-02-28 |
EA031397B1 EA031397B1 (ru) | 2018-12-28 |
Family
ID=54332666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA201691537A EA031397B1 (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) | KR102223611B1 (ru) |
CN (1) | CN106232630B (ru) |
EA (1) | EA031397B1 (ru) |
WO (1) | WO2015163514A1 (ru) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11931928B2 (en) * | 2016-12-29 | 2024-03-19 | Evonik Superabsorber Llc | Continuous strand superabsorbent polymerization |
KR102075735B1 (ko) | 2017-02-16 | 2020-02-10 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
WO2018151453A1 (ko) * | 2017-02-16 | 2018-08-23 | 주식회사 엘지화학 | 고흡수정 수지의 제조 방법 |
CN113717299B (zh) * | 2020-05-21 | 2023-05-30 | 中国石油化工股份有限公司 | 一种丁腈橡胶溶液的间歇加氢方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2001397A1 (en) * | 1988-10-28 | 1990-04-28 | Tadao Shimomura | Method for production of acrylate and acrylate-containing polymer |
KR940006449A (ko) * | 1992-09-21 | 1994-04-25 | 이웬짐 | 덩굴성 식물의 성장 유도 지주(支柱) |
US7049366B2 (en) * | 2001-12-19 | 2006-05-23 | Nippon Shokubai Co., Ltd. | Acrylic acid composition and its production process, and process for producing water-absorbent resin using this acrylic acid composition, and water-absorbent resin |
DE102005042606A1 (de) * | 2005-09-07 | 2007-03-08 | Basf Ag | Neutralisationsverfahren |
CN104212105B (zh) * | 2010-04-07 | 2017-08-01 | 株式会社日本触媒 | 聚丙烯酸(盐)系吸水性树脂粉末的制造方法、聚丙烯酸(盐)系吸水性树脂粉末 |
US8829135B2 (en) * | 2011-06-03 | 2014-09-09 | Basf Se | Process for continuously producing water-absorbing polymer particles |
EP2615120B2 (en) * | 2012-01-12 | 2022-12-21 | Evonik Superabsorber GmbH | Process for the continuous preparation of water-absorbent polymers |
EP2615119B1 (en) * | 2012-01-12 | 2016-10-26 | Evonik Degussa GmbH | Cooling neutralized acrylic acid by means of an absorption chiller |
WO2014033083A1 (en) * | 2012-08-29 | 2014-03-06 | Basf Se | Process for producing water-absorbing polymer particles |
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2014
- 2014-04-25 CN CN201480078203.0A patent/CN106232630B/zh active Active
- 2014-04-25 KR KR1020167032637A patent/KR102223611B1/ko active IP Right Grant
- 2014-04-25 WO PCT/KR2014/003672 patent/WO2015163514A1/en active Application Filing
- 2014-04-25 EA EA201691537A patent/EA031397B1/ru unknown
Also Published As
Publication number | Publication date |
---|---|
CN106232630A (zh) | 2016-12-14 |
EA031397B1 (ru) | 2018-12-28 |
CN106232630B (zh) | 2021-08-13 |
KR20160149238A (ko) | 2016-12-27 |
WO2015163514A1 (en) | 2015-10-29 |
KR102223611B1 (ko) | 2021-03-11 |
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