DE69223674T2 - Oberflächlich vernetzte und oberflächenaktiv beschichtete absorbierende Harzpartikel und Methode zu ihrer Herstellung - Google Patents

Oberflächlich vernetzte und oberflächenaktiv beschichtete absorbierende Harzpartikel und Methode zu ihrer Herstellung

Info

Publication number
DE69223674T2
DE69223674T2 DE69223674T DE69223674T DE69223674T2 DE 69223674 T2 DE69223674 T2 DE 69223674T2 DE 69223674 T DE69223674 T DE 69223674T DE 69223674 T DE69223674 T DE 69223674T DE 69223674 T2 DE69223674 T2 DE 69223674T2
Authority
DE
Germany
Prior art keywords
absorbent resin
particles
water
resin particles
linked
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69223674T
Other languages
English (en)
Other versions
DE69223674D1 (de
DE69223674T3 (de
Inventor
Herbert Gartner
Josef Burgert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Dow Chemical Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10693265&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69223674(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of DE69223674D1 publication Critical patent/DE69223674D1/de
Publication of DE69223674T2 publication Critical patent/DE69223674T2/de
Application granted granted Critical
Publication of DE69223674T3 publication Critical patent/DE69223674T3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • A61L15/48—Surfactants
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/14—Esterification
    • 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/20—Chemical modification of a polymer leading to a crosslinking, either explicitly or inherently
    • 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/30—Chemical modification of a polymer leading to the formation or introduction of aliphatic or alicyclic unsaturated groups
DE69223674T 1991-04-13 1992-04-08 Oberflächlich vernetzte und oberflächenaktiv beschichtete absorbierende Harzpartikel und Methode zu ihrer Herstellung Expired - Fee Related DE69223674T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9107952 1991-04-15
GB919107952A GB9107952D0 (en) 1991-04-15 1991-04-15 Surface crosslinked and surfactant coated absorbent resin particles and method of preparation

Publications (3)

Publication Number Publication Date
DE69223674D1 DE69223674D1 (de) 1998-02-05
DE69223674T2 true DE69223674T2 (de) 1998-07-09
DE69223674T3 DE69223674T3 (de) 2006-07-20

Family

ID=10693265

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69223674T Expired - Fee Related DE69223674T3 (de) 1991-04-13 1992-04-08 Oberflächlich vernetzte und oberflächenaktiv beschichtete absorbierende Harzpartikel und Methode zu ihrer Herstellung

Country Status (14)

Country Link
US (1) US5633316A (de)
EP (1) EP0509708B2 (de)
JP (1) JP3283570B2 (de)
KR (1) KR100195778B1 (de)
AT (1) ATE161549T1 (de)
AU (1) AU1487992A (de)
CA (1) CA2066010A1 (de)
DE (1) DE69223674T3 (de)
DK (1) DK0509708T3 (de)
ES (1) ES2110470T3 (de)
FI (1) FI921668A (de)
GB (1) GB9107952D0 (de)
MX (1) MX9201747A (de)
NO (1) NO921492L (de)

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DK0509708T3 (da) 1998-08-31
KR920019377A (ko) 1992-11-19
EP0509708A1 (de) 1992-10-21
ATE161549T1 (de) 1998-01-15
MX9201747A (es) 1993-08-01
JPH05156034A (ja) 1993-06-22
ES2110470T3 (es) 1998-02-16
DE69223674D1 (de) 1998-02-05
EP0509708B2 (de) 2004-11-24
FI921668A0 (fi) 1992-04-14
NO921492D0 (no) 1992-04-14
US5633316A (en) 1997-05-27
NO921492L (no) 1992-10-16
CA2066010A1 (en) 1992-10-16
DE69223674T3 (de) 2006-07-20
GB9107952D0 (en) 1991-05-29
EP0509708B1 (de) 1997-12-29
KR100195778B1 (ko) 1999-06-15
JP3283570B2 (ja) 2002-05-20
AU1487992A (en) 1992-10-22
FI921668A (fi) 1992-10-16

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