CN106232630B - 用于吸水性聚合物颗粒生产的具有过度中和的单体制备 - Google Patents
用于吸水性聚合物颗粒生产的具有过度中和的单体制备 Download PDFInfo
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- CN106232630B CN106232630B CN201480078203.0A CN201480078203A CN106232630B CN 106232630 B CN106232630 B CN 106232630B CN 201480078203 A CN201480078203 A CN 201480078203A CN 106232630 B CN106232630 B CN 106232630B
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Images
Classifications
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- 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
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- 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
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- 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
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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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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- 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
- 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
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- 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
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- 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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- 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
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- 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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- 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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- 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
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Abstract
Description
实施例 | 中和度 | NaOH<sub>aq</sub>的温度 | 残余单体含量 |
对比例1 | 0.7 | 25℃ | --- |
对比例2 | 0.7 | 5℃ | -- |
对比例2 | 0.8 | 5℃ | - |
实施例1 | 0.97 | 25℃ | + |
实施例2 | 1.01 | 25℃ | ++ |
实施例3 | 1.01 | 5℃ | +++ |
实施例4 | 1.1 | 5℃ | +++ |
Claims (22)
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PCT/KR2014/003672 WO2015163514A1 (en) | 2014-04-25 | 2014-04-25 | Monomer preparation with over-neutralization for production of water-absorbent polymer particles |
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CN106232630B true CN106232630B (zh) | 2021-08-13 |
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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 |
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EP0372706A2 (en) * | 1988-10-28 | 1990-06-13 | Nippon Shokubai Co., Ltd. | Process for production of acrylate and acrylate-containing polymer |
CN101258123A (zh) * | 2005-09-07 | 2008-09-03 | 巴斯夫欧洲公司 | 中和方法 |
WO2013104480A1 (en) * | 2012-01-12 | 2013-07-18 | Evonik Degussa Gmbh | Cooling neutralized acrylic acid by means of an absorption chiller |
WO2013104479A1 (en) * | 2012-01-12 | 2013-07-18 | Evonik Degussa Gmbh | Process for the continuous preparation of water-absorbent polymers |
WO2014033083A1 (en) * | 2012-08-29 | 2014-03-06 | Basf Se | Process for producing water-absorbing polymer particles |
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KR940006449A (ko) * | 1992-09-21 | 1994-04-25 | 이웬짐 | 덩굴성 식물의 성장 유도 지주(支柱) |
DE60233590D1 (de) * | 2001-12-19 | 2009-10-15 | Nippon Catalytic Chem Ind | Acrylsäurezusammensetzung und verfahren zu ihrer herstellung, verfahren zur herstellung von wasserabsorbierendem harz, bei dem diese acrylsäurezusammendes harz |
KR101946227B1 (ko) * | 2010-04-07 | 2019-02-08 | 가부시키가이샤 닛폰 쇼쿠바이 | 폴리아크릴산(염)계 흡수성 수지분말의 제조방법 및 폴리아크릴산(염)계 흡수성 수지분말 |
US8829135B2 (en) * | 2011-06-03 | 2014-09-09 | Basf Se | Process for continuously producing water-absorbing polymer particles |
-
2014
- 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
- 2014-04-25 CN CN201480078203.0A patent/CN106232630B/zh active Active
Patent Citations (5)
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EP0372706A2 (en) * | 1988-10-28 | 1990-06-13 | Nippon Shokubai Co., Ltd. | Process for production of acrylate and acrylate-containing polymer |
CN101258123A (zh) * | 2005-09-07 | 2008-09-03 | 巴斯夫欧洲公司 | 中和方法 |
WO2013104480A1 (en) * | 2012-01-12 | 2013-07-18 | Evonik Degussa Gmbh | Cooling neutralized acrylic acid by means of an absorption chiller |
WO2013104479A1 (en) * | 2012-01-12 | 2013-07-18 | Evonik Degussa Gmbh | Process for the continuous preparation of water-absorbent polymers |
WO2014033083A1 (en) * | 2012-08-29 | 2014-03-06 | Basf Se | Process for producing water-absorbing polymer particles |
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EA201691537A1 (ru) | 2017-02-28 |
KR102223611B1 (ko) | 2021-03-11 |
EA031397B1 (ru) | 2018-12-28 |
KR20160149238A (ko) | 2016-12-27 |
CN106232630A (zh) | 2016-12-14 |
WO2015163514A1 (en) | 2015-10-29 |
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