EA201691535A1 - DEVICE CONTAINING DISCS FOR CRUSHING THE HYDROGEL WHEN RECEIVING WATER-ABSORBING POLYMER PARTICLES - Google Patents

DEVICE CONTAINING DISCS FOR CRUSHING THE HYDROGEL WHEN RECEIVING WATER-ABSORBING POLYMER PARTICLES

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Publication number
EA201691535A1
EA201691535A1 EA201691535A EA201691535A EA201691535A1 EA 201691535 A1 EA201691535 A1 EA 201691535A1 EA 201691535 A EA201691535 A EA 201691535A EA 201691535 A EA201691535 A EA 201691535A EA 201691535 A1 EA201691535 A1 EA 201691535A1
Authority
EA
Eurasian Patent Office
Prior art keywords
particles
absorbing polymer
polymer gel
water
monomer solution
Prior art date
Application number
EA201691535A
Other languages
Russian (ru)
Other versions
EA032199B1 (en
Inventor
Чон Бом Пак
Original Assignee
Сонвон Индастриал Ко., Лтд.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Сонвон Индастриал Ко., Лтд. filed Critical Сонвон Индастриал Ко., Лтд.
Publication of EA201691535A1 publication Critical patent/EA201691535A1/en
Publication of EA032199B1 publication Critical patent/EA032199B1/en

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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
    • 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
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30—Mincing machines with perforated discs and feeding worms
    • B02C18/301—Mincing machines with perforated discs and feeding worms with horizontal axis
    • B02C18/302—Mincing machines with perforated discs and feeding worms with horizontal axis with a knife-perforated disc unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/02—Crushing or disintegrating by disc mills with coaxial discs
    • B02C7/06—Crushing or disintegrating by disc mills with coaxial discs with horizontal axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/11—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • 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
    • C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
    • 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
    • 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
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0869—Acids or derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2003/00—Use of starch or derivatives as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2029/00—Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals or derivatives thereof as moulding material
    • B29K2029/04—PVOH, i.e. polyvinyl alcohol
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2083/00—Use of polymers having silicon, with or without sulfur, nitrogen, oxygen, or carbon only, in the main chain, as moulding material

Abstract

Настоящее изобретение, в целом, относится к способу получения водоабсорбирующих полимерных частиц, включающему технологические стадии: (i) получение 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) необязательное добавление мелких частиц водоабсорбирующего полимера к водному раствору мономера; (iii) добавление инициатора полимеризации или по меньшей мере одного компонента системы инициатора полимеризации, которая содержит два или более компонентов, к водному раствору мономера; (iv) необязательное уменьшение содержания кислорода в водном растворе мономера; (v) загрузка водного раствора мономера в реактор полимеризации; (vi) полимеризация мономеров в водном растворе мономера в реакторе полимеризации с получением полимерного геля; (vii) выгрузка полимерного геля из реактора полимеризации и дробление полимерного геля в первом дробильном устройстве с получением частиц полимерного геля; (viii) высушивание частиц полимерного геля; (ix) измельчение высушенных частиц полимерного геля с получением водоабсорбирующих полимерных частиц; (х) сортировка по размеру измельченных водоабсорбирующих полимерных частиц и (xi) необязательная обработка поверхности измельченных и отсортированных по размеру водоабсорбирующих полимерных частиц; где на технологической стадии (vii) первое дробильное устройство содержит первый диск, второй диск и третий диск.The present invention relates generally to a method for producing water-absorbing polymer particles, comprising the process steps: (i) obtaining an aqueous solution of a monomer containing at least one partially neutralized, monoethylenically unsaturated monomer containing carboxylic acid groups (α1, and at least one crosslinking agent (α3); (ii) optional addition of fine particles of a water-absorbing polymer to an aqueous monomer solution; (iii) adding a polymerization initiator or at least one component of the system polymerization initiator, which contains two or more components, to an aqueous monomer solution; (iv) optional reduction of oxygen content in an aqueous monomer solution; (v) loading an aqueous monomer solution into a polymerization reactor; (vi) polymerization of monomers in an aqueous monomer solution in a polymerization reactor to obtain a polymer gel; (vii) unloading the polymer gel from the polymerization reactor and crushing the polymer gel in the first crushing device to obtain particles of the polymer gel; (viii) drying the polymer gel particles; (ix) grinding the dried particles of a polymer gel to form water-absorbing polymer particles; (x) sorting the size of the crushed water-absorbing polymer particles; and (xi) optional surface treatment of the crushed and sorted water-absorbing polymer particles; where at the technological stage (vii) the first crushing device contains the first disk, the second disk and the third disk.

EA201691535A 2014-04-25 2014-04-25 Process and device for the preparation of water-absorbent polymer particles and composite material based thereon EA032199B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2014/003663 WO2015163508A1 (en) 2014-04-25 2014-04-25 Hydrogel comminuting device comprising discs in the production of water-absorbent polymer particles

Publications (2)

Publication Number Publication Date
EA201691535A1 true EA201691535A1 (en) 2017-02-28
EA032199B1 EA032199B1 (en) 2019-04-30

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EA201691535A EA032199B1 (en) 2014-04-25 2014-04-25 Process and device for the preparation of water-absorbent polymer particles and composite material based thereon

Country Status (4)

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KR (1) KR102389682B1 (en)
CN (1) CN106232235B (en)
EA (1) EA032199B1 (en)
WO (1) WO2015163508A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102086052B1 (en) 2016-12-27 2020-03-06 주식회사 엘지화학 Super absorbent polymer and preparation method thereof
AR113374A1 (en) * 2017-10-25 2020-04-22 Basf Se A PROCESS AND APPARATUS TO PRODUCE AQUEOUS POLYMER SOLUTIONS
KR102616695B1 (en) * 2018-12-11 2023-12-20 주식회사 엘지화학 Super absorbent polymer and preparation method for the same
WO2022265472A1 (en) * 2021-06-18 2022-12-22 주식회사 엘지화학 Preparation method of super absorbent polymer, and super absorbent polymer
BR112023025097A2 (en) * 2021-06-18 2024-02-20 Lg Chemical Ltd PREPARATION METHOD OF SUPERABSORBENT POLYMER AND SUPERABSORBENT POLYMER
WO2023190494A1 (en) * 2022-03-30 2023-10-05 株式会社日本触媒 Method for producing water-absorbing resin powder
CN115090357B (en) * 2022-06-20 2023-06-27 镇江市合一新能源材料科技有限公司 Reaction kettle body for recycling palladium-carbon catalyst and application method thereof

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US7163966B2 (en) * 2003-12-19 2007-01-16 Stockhausen, Inc. Superabsorbent polymer having increased rate of water absorption
TWI383008B (en) * 2005-08-17 2013-01-21 Nippon Catalytic Chem Ind Production method of water-absorbent resin, water-absorbent resin, and usage of water-absorbent resin
KR100905853B1 (en) * 2005-08-17 2009-07-02 가부시키가이샤 닛폰 쇼쿠바이 Production method of water-absorbent resin, water-absorbent resin, and usage of water-absorbent resin
DE102005042606A1 (en) * 2005-09-07 2007-03-08 Basf Ag Neutralization process
EP2470572A1 (en) * 2009-08-25 2012-07-04 Basf Se Soft particulate super absorbent and use thereof
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US20130260988A1 (en) * 2012-03-30 2013-10-03 Basf Se Color-Stable Superabsorbent

Also Published As

Publication number Publication date
KR102389682B1 (en) 2022-04-22
WO2015163508A1 (en) 2015-10-29
EA032199B1 (en) 2019-04-30
KR20160149235A (en) 2016-12-27
CN106232235A (en) 2016-12-14
CN106232235B (en) 2019-06-28

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