BR112012023050A2 - processo para produzir partículas de polímero que absorvem água, partículas de polímero que absorvem água, e, artigo que absorve fluido - Google Patents

processo para produzir partículas de polímero que absorvem água, partículas de polímero que absorvem água, e, artigo que absorve fluido

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Publication number
BR112012023050A2
BR112012023050A2 BR112012023050A BR112012023050A BR112012023050A2 BR 112012023050 A2 BR112012023050 A2 BR 112012023050A2 BR 112012023050 A BR112012023050 A BR 112012023050A BR 112012023050 A BR112012023050 A BR 112012023050A BR 112012023050 A2 BR112012023050 A2 BR 112012023050A2
Authority
BR
Brazil
Prior art keywords
polymer particles
absorbing polymer
water
absorbing
fluid
Prior art date
Application number
BR112012023050A
Other languages
English (en)
Inventor
Norbert Herfert
Rainer Dobrawa
Thomas Daniel
Original Assignee
Basf Se
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 Basf Se filed Critical Basf Se
Publication of BR112012023050A2 publication Critical patent/BR112012023050A2/pt

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Classifications

    • 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
    • C08F2/34—Polymerisation in gaseous state
    • 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
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/12—Polymerisation in non-solvents
    • C08F2/16—Aqueous medium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530569—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the particle size
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530583—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the form
    • A61F2013/530591—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the form in granules or particles
    • 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
    • A61L2420/00—Materials or methods for coatings medical devices
    • A61L2420/02—Methods for coating medical devices

Abstract

processo para produzir partículas de polímero que absorvem água, partículas de polímero que absorvem água, e, artigo que absorve fluido. a presente invenção se refere a um processo para produzir partículas de polímero que absorvem água através da polimerização de gotículas de uma solução de monômero em uma fase gasosa aquecida circundante e escoando a corrente gasosa através da câmara de polimerização, que compreende o revestimento das partículas de polímero que absorvem água com pelo menos um ácido sulfínico, um ácido sulfônico e/ou sais dos mesmos.
BR112012023050A 2010-03-15 2011-03-09 processo para produzir partículas de polímero que absorvem água, partículas de polímero que absorvem água, e, artigo que absorve fluido BR112012023050A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10156483 2010-03-15
EP10157563 2010-03-24
PCT/EP2011/053498 WO2011113728A1 (en) 2010-03-15 2011-03-09 A process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution

Publications (1)

Publication Number Publication Date
BR112012023050A2 true BR112012023050A2 (pt) 2016-05-17

Family

ID=43983304

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012023050A BR112012023050A2 (pt) 2010-03-15 2011-03-09 processo para produzir partículas de polímero que absorvem água, partículas de polímero que absorvem água, e, artigo que absorve fluido

Country Status (6)

Country Link
EP (1) EP2547703A1 (pt)
JP (1) JP2013522403A (pt)
CN (1) CN102803302A (pt)
BR (1) BR112012023050A2 (pt)
RU (1) RU2012143697A (pt)
WO (1) WO2011113728A1 (pt)

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CN105963074B (zh) 2011-07-14 2020-01-17 史密夫及内修公开有限公司 伤口敷料和治疗方法
CN105524206B (zh) 2012-04-25 2018-06-22 Lg化学株式会社 超吸收性聚合物及其制备方法
EP3650055A1 (en) 2012-05-23 2020-05-13 Smith & Nephew plc Apparatuses and methods for negative pressure wound therapy
EP3406231B1 (en) 2012-08-01 2022-04-13 Smith & Nephew plc Wound dressing and method of treatment
RU2015106112A (ru) 2012-08-01 2016-09-20 СМИТ ЭНД НЕФЬЮ ПиЭлСи Раневая повязка
EP2890411B1 (en) 2012-08-29 2021-10-06 Basf Se Process for producing water-absorbing polymer particles
KR102104224B1 (ko) 2012-11-21 2020-04-24 바스프 에스이 표면 후가교결합된 물 흡수성 폴리머 입자들을 제조하기 위한 방법
JP2016503449A (ja) * 2012-11-21 2016-02-04 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ モノマー溶液の液滴を重合することによる吸水性ポリマー粒子の製造方法
CN105683226B (zh) * 2013-08-26 2018-08-17 巴斯夫欧洲公司 流体吸收制品
CA2952284C (en) 2014-06-18 2023-03-28 Smith & Nephew Plc Wound dressing
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Also Published As

Publication number Publication date
JP2013522403A (ja) 2013-06-13
RU2012143697A (ru) 2014-04-20
CN102803302A (zh) 2012-11-28
EP2547703A1 (en) 2013-01-23
WO2011113728A1 (en) 2011-09-22

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B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]