KR101447656B1 - 고흡수성 수지 및 그의 제조 방법 - Google Patents

고흡수성 수지 및 그의 제조 방법 Download PDF

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Publication number
KR101447656B1
KR101447656B1 KR1020130044663A KR20130044663A KR101447656B1 KR 101447656 B1 KR101447656 B1 KR 101447656B1 KR 1020130044663 A KR1020130044663 A KR 1020130044663A KR 20130044663 A KR20130044663 A KR 20130044663A KR 101447656 B1 KR101447656 B1 KR 101447656B1
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South Korea
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particle size
superabsorbent resin
meth
weight
polymer
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KR1020130044663A
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Korean (ko)
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KR20130120400A (ko
Inventor
원태영
한장선
김기철
이용훈
이상기
김규팔
박성수
임규
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주식회사 엘지화학
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49851092&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR101447656(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to US14/394,685 priority Critical patent/US9517446B2/en
Priority to PCT/KR2013/003465 priority patent/WO2013162255A2/ko
Priority to CN201380029292.5A priority patent/CN104334614B/zh
Priority to CN201610014823.9A priority patent/CN105524207B/zh
Priority to CN201610014097.0A priority patent/CN105524206B/zh
Priority to JP2015508860A priority patent/JP6182206B2/ja
Priority to IN9075DEN2014 priority patent/IN2014DN09075A/en
Priority to DE202013012035.5U priority patent/DE202013012035U1/de
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Publication of KR20130120400A publication Critical patent/KR20130120400A/ko
Publication of KR101447656B1 publication Critical patent/KR101447656B1/ko
Application granted granted Critical
Priority to US15/247,475 priority patent/US10086361B2/en
Priority to JP2017141147A priority patent/JP6535056B2/ja
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    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
    • B01J20/267—Cross-linked polymers
    • 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
    • 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
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • 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
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28016—Particle form
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
    • B01J20/3206—Organic carriers, supports or substrates
    • B01J20/3208—Polymeric carriers, supports or substrates
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
    • B01J20/3244—Non-macromolecular compounds
    • B01J20/3246—Non-macromolecular compounds having a well defined chemical structure
    • B01J20/3248—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
    • 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
    • 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
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06—Polymers provided for in subclass C08G
    • C08F290/062—Polyethers
    • 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
    • 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
    • C08J3/126—Polymer particles coated by polymer, e.g. core shell structures
    • 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
    • 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
    • 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
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/68—Superabsorbents
    • 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
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
KR1020130044663A 2012-04-25 2013-04-23 고흡수성 수지 및 그의 제조 방법 Active KR101447656B1 (ko)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP2015508860A JP6182206B2 (ja) 2012-04-25 2013-04-23 高吸水性樹脂およびその製造方法
PCT/KR2013/003465 WO2013162255A2 (ko) 2012-04-25 2013-04-23 고흡수성 수지 및 그의 제조 방법
CN201380029292.5A CN104334614B (zh) 2012-04-25 2013-04-23 超吸收性聚合物及其制备方法
CN201610014823.9A CN105524207B (zh) 2012-04-25 2013-04-23 超吸收性聚合物及其制备方法
CN201610014097.0A CN105524206B (zh) 2012-04-25 2013-04-23 超吸收性聚合物及其制备方法
IN9075DEN2014 IN2014DN09075A (enExample) 2012-04-25 2013-04-23
US14/394,685 US9517446B2 (en) 2012-04-25 2013-04-23 Super absorbent polymer and a preparation method thereof
DE202013012035.5U DE202013012035U1 (de) 2012-04-25 2013-04-23 Superabsorberpolymer
US15/247,475 US10086361B2 (en) 2012-04-25 2016-08-25 Super absorbent polymer and a preparation method thereof
JP2017141147A JP6535056B2 (ja) 2012-04-25 2017-07-20 高吸水性樹脂およびその製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20120043435 2012-04-25
KR1020120043435 2012-04-25

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020140125268A Division KR101582241B1 (ko) 2012-04-25 2014-09-19 고흡수성 수지 및 그의 제조 방법

Publications (2)

Publication Number Publication Date
KR20130120400A KR20130120400A (ko) 2013-11-04
KR101447656B1 true KR101447656B1 (ko) 2014-10-07

Family

ID=49851092

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020130044663A Active KR101447656B1 (ko) 2012-04-25 2013-04-23 고흡수성 수지 및 그의 제조 방법
KR1020140125268A Active KR101582241B1 (ko) 2012-04-25 2014-09-19 고흡수성 수지 및 그의 제조 방법

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020140125268A Active KR101582241B1 (ko) 2012-04-25 2014-09-19 고흡수성 수지 및 그의 제조 방법

Country Status (8)

Country Link
US (2) US9517446B2 (enExample)
EP (1) EP2826807B1 (enExample)
JP (2) JP6182206B2 (enExample)
KR (2) KR101447656B1 (enExample)
CN (3) CN105524206B (enExample)
DE (1) DE202013012035U1 (enExample)
IN (1) IN2014DN09075A (enExample)
WO (1) WO2013162255A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160142954A (ko) 2015-06-03 2016-12-14 (주)국제리프라텍 Sam과 펄프가 포함되어 수분흡수능력이 향상된 다목적용 시트 및 이의 제조방법

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140134219A (ko) 2013-05-13 2014-11-21 주식회사 엘지화학 고흡수성 수지 및 이의 제조 방법
US20160280825A1 (en) 2013-10-30 2016-09-29 Basf Se Method for Producing Water-Absorbing Polymer Particles by Suspension Polymerization
KR101699504B1 (ko) * 2013-11-22 2017-01-24 주식회사 엘지화학 고흡수성 수지 및 그 제조 방법
KR101631297B1 (ko) * 2013-12-11 2016-06-16 주식회사 엘지화학 고흡수성 수지 및 그 제조 방법
JP6468538B2 (ja) 2013-12-11 2019-02-13 エルジー・ケム・リミテッド 高吸水性樹脂およびその製造方法
KR101719352B1 (ko) * 2013-12-13 2017-04-04 주식회사 엘지화학 고흡수성 수지 조성물
KR20150117902A (ko) * 2014-04-11 2015-10-21 한화케미칼 주식회사 고흡수성 수지 및 이의 제조방법
KR20160061743A (ko) 2014-11-24 2016-06-01 주식회사 엘지화학 고흡수성 수지 및 이의 제조 방법
KR101586603B1 (ko) * 2015-01-30 2016-01-18 에스케이이노베이션 주식회사 고흡수성 수지 및 그 제조방법
KR101871968B1 (ko) 2015-06-01 2018-06-27 주식회사 엘지화학 고흡수성 수지
KR101949454B1 (ko) 2015-06-15 2019-02-18 주식회사 엘지화학 고흡수성 수지
KR101918285B1 (ko) * 2015-06-17 2018-11-13 주식회사 엘지화학 고흡수성 수지의 제조 방법
KR101949995B1 (ko) 2015-07-06 2019-02-19 주식회사 엘지화학 고흡수성 수지의 제조 방법 및 이로부터 제조된 고흡수성 수지
KR101855351B1 (ko) 2015-08-13 2018-05-04 주식회사 엘지화학 고흡수성 수지의 제조 방법
KR101949994B1 (ko) 2015-10-14 2019-02-19 주식회사 엘지화학 고흡수성 수지 조립체 및 이의 제조 방법
KR101855352B1 (ko) * 2015-12-09 2018-05-08 주식회사 엘지화학 고흡수성 수지의 제조 방법
CN105642250B (zh) * 2015-12-25 2018-12-04 安徽理工大学 一种烟气脱汞除湿吸附剂的制备方法
KR101949996B1 (ko) * 2016-01-28 2019-02-19 주식회사 엘지화학 고흡수성 수지의 제조 방법
US11325101B2 (en) 2016-02-25 2022-05-10 Lg Chem, Ltd. Super absorbent polymer and method for preparing the same
US11198768B2 (en) 2016-03-11 2021-12-14 Lg Chem, Ltd. Preparation method of super absorbent polymer
KR102103000B1 (ko) 2016-10-19 2020-04-21 주식회사 엘지화학 고흡수성 수지의 제조 방법
EP3406638B1 (en) 2016-10-19 2021-03-03 LG Chem, Ltd. Super absorbent polymer
US10780417B2 (en) 2016-10-19 2020-09-22 Lg Chem, Ltd. Super absorbent polymer
CN108779198B (zh) 2016-10-19 2020-09-22 株式会社Lg化学 超吸收性聚合物
KR102093352B1 (ko) * 2016-12-19 2020-03-25 주식회사 엘지화학 고흡수성 수지의 제조 방법
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