EA201691519A1 - ADDITIONAL TREATMENT OF SURFACE crosslinked WATER-ABSORBING POLYMERIC PARTICLES WITH APPLICATION OF ADDITIVE - Google Patents

ADDITIONAL TREATMENT OF SURFACE crosslinked WATER-ABSORBING POLYMERIC PARTICLES WITH APPLICATION OF ADDITIVE

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Publication number
EA201691519A1
EA201691519A1 EA201691519A EA201691519A EA201691519A1 EA 201691519 A1 EA201691519 A1 EA 201691519A1 EA 201691519 A EA201691519 A EA 201691519A EA 201691519 A EA201691519 A EA 201691519A EA 201691519 A1 EA201691519 A1 EA 201691519A1
Authority
EA
Eurasian Patent Office
Prior art keywords
water
particles
absorbing polymer
absorbing
polymer particles
Prior art date
Application number
EA201691519A
Other languages
Russian (ru)
Other versions
EA031991B1 (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 EA201691519A1 publication Critical patent/EA201691519A1/en
Publication of EA031991B1 publication Critical patent/EA031991B1/en

Links

Classifications

    • 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
    • B29B7/00—Mixing; Kneading
    • 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
    • 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
    • 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
    • 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
    • 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
    • C08J9/12—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 by a physical blowing agent
    • C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
    • 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
    • C08J9/12—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 by a physical blowing agent
    • C08J9/14—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 by a physical blowing agent organic
    • 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
    • C08K3/34—Silicon-containing compounds
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
    • 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

Abstract

Настоящее изобретение, в целом, относится к способу получения дополнительно обработанных поверхностно сшитых 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; (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 в водном растворе мономера с получением полимерного геля с содержанием воды от 40 до 60 мас.%; (vii) выгрузки полимерного геля из реактора полимеризации и необязательного дробления полимерного геля; (viii) высушивания необязательно дробленого полимерного геля, где полученный высушенный полимерный гель имеет содержание воды от 0,5 до 25 мас.%; (ix) измельчения с получением водоабсорбирующих полимерных частиц; (х) сортировки по размеру измельченных водоабсорбирующих полимерных частиц; (xi) приведения в контакт с дополнительным сшивающим агентом с получением поверхностно сшитых водоабсорбирующих полимерных частиц; (xii) сортировки по размеру поверхностно сшитых водоабсорбирующих полимерных частиц; (xiii) приведения в контакт отсортированных по размеру поверхностно сшитых водоабсорбирующих полимерных частиц с частицами Ag-цеолита в количестве от 100 до 5000 мас. ppm от общей массыThe present invention relates generally to a process for the preparation of further surface-crosslinked water-absorbing polymer particles further processed, comprising the technological steps (i) of preparing an aqueous monomer solution containing at least one partially neutralized, monoethylenically unsaturated monomer containing carboxylic acid groups (α1) and at least one crosslinking agent (α3); (ii) the optional addition of fine particles of a water-absorbing polymer; (iii) adding a polymerization initiator or at least one component of the polymerization initiator system to an aqueous monomer solution; (iv) an optional reduction in the oxygen content of the aqueous monomer solution; (v) loading the aqueous monomer solution into the polymerization reactor; (vi) the polymerization of monomers in an aqueous solution of the monomer to obtain a polymer gel with a water content of from 40 to 60 wt.%; (vii) discharging the polymer gel from the polymerization reactor and optionally crushing the polymer gel; (viii) drying the optionally crushed polymer gel, where the obtained dried polymer gel has a water content of from 0.5 to 25 wt.%; (ix) grinding to obtain water-absorbing polymer particles; (x) sorted by size of ground water-absorbing polymer particles; (xi) bringing into contact with an additional cross-linking agent to obtain surface-crosslinked water-absorbing polymer particles; (xii) sort by size of surface-crosslinked water-absorbing polymer particles; (xiii) bringing into contact of water-absorbing polymer particles sorted according to the size of surface-crosslinked water-absorbing particles with Ag zeolite particles in an amount of from 100 to 5000 wt. ppm by weight

EA201691519A 2014-04-25 2014-04-25 Process and device for the preparation of post-treated surface-crosslinked water-absorbent polymer particles and composite material based thereon EA031991B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2014/003680 WO2015163522A1 (en) 2014-04-25 2014-04-25 Post treatment of surface-crosslinked water-absorbent polymer particles employing an additive

Publications (2)

Publication Number Publication Date
EA201691519A1 true EA201691519A1 (en) 2017-01-30
EA031991B1 EA031991B1 (en) 2019-03-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EA201691519A EA031991B1 (en) 2014-04-25 2014-04-25 Process and device for the preparation of post-treated surface-crosslinked water-absorbent polymer particles and composite material based thereon

Country Status (4)

Country Link
KR (1) KR20170002470A (en)
CN (1) CN106232691B (en)
EA (1) EA031991B1 (en)
WO (1) WO2015163522A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102112832B1 (en) * 2017-03-02 2020-05-19 주식회사 엘지화학 Super absorbent polymer and its preparation method
TWI625355B (en) * 2017-03-31 2018-06-01 臺灣塑膠工業股份有限公司 superabsorbent polymer and the method of fabricating the same
CA3111214C (en) * 2018-08-31 2023-08-22 The Curators Of The University Of Missouri Re-crosslinking particle gel for co2 conformance control and co2 leakage blocking
CN110790975A (en) * 2019-12-02 2020-02-14 承德石油高等专科学校 High-static-water-absorption dehumidifying material and preparation method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2755612B1 (en) * 1996-11-13 1998-12-24 Atochem Elf Sa SUPERABSORBENT COMPOSITION FOR HYGIENE ARTICLES WHICH DOES NOT DEVELOP INCOMING ODORS
ATE320238T1 (en) * 2001-06-29 2006-04-15 Dow Global Technologies Inc SUPERABSORBENT CARBOXYL-CONTAINING POLYMERS WITH ODOR-CONTROLING PROPERTIES AND METHODS FOR THEIR PRODUCTION
US8138281B2 (en) * 2007-01-16 2012-03-20 Basf Se Production of superabsorbent polymers on a continuous belt reactor
US8318306B2 (en) * 2008-01-30 2012-11-27 Evonik Stockhausen, Llc Superabsorbent polymer compositions having a triggering composition

Also Published As

Publication number Publication date
WO2015163522A1 (en) 2015-10-29
CN106232691A (en) 2016-12-14
CN106232691B (en) 2019-08-23
KR20170002470A (en) 2017-01-06
EA031991B1 (en) 2019-03-29

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QB4A Registration of a licence in a contracting state