DE69908391T2 - Absorbierendes polymermaterial auf polysaccharidbasis - Google Patents
Absorbierendes polymermaterial auf polysaccharidbasis Download PDFInfo
- Publication number
- DE69908391T2 DE69908391T2 DE69908391T DE69908391T DE69908391T2 DE 69908391 T2 DE69908391 T2 DE 69908391T2 DE 69908391 T DE69908391 T DE 69908391T DE 69908391 T DE69908391 T DE 69908391T DE 69908391 T2 DE69908391 T2 DE 69908391T2
- Authority
- DE
- Germany
- Prior art keywords
- polysaccharide
- absorbent
- polymer
- gel
- starting material
- 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 - Lifetime
Links
- 239000002250 absorbent Substances 0.000 title claims abstract description 60
- 230000002745 absorbent Effects 0.000 title claims abstract description 60
- 150000004676 glycans Chemical class 0.000 title claims abstract description 30
- 229920001282 polysaccharide Polymers 0.000 title claims abstract description 30
- 239000005017 polysaccharide Substances 0.000 title claims abstract description 30
- 239000002861 polymer material Substances 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 41
- 229920000642 polymer Polymers 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000007858 starting material Substances 0.000 claims abstract description 17
- 238000004132 cross linking Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000006193 liquid solution Substances 0.000 claims abstract 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 42
- 239000000499 gel Substances 0.000 claims description 41
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 35
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 35
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 33
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 26
- 239000000243 solution Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 239000003431 cross linking reagent Substances 0.000 claims description 7
- 239000000017 hydrogel Substances 0.000 claims description 7
- 229920002907 Guar gum Polymers 0.000 claims description 5
- 239000000665 guar gum Substances 0.000 claims description 5
- 235000010417 guar gum Nutrition 0.000 claims description 5
- 229960002154 guar gum Drugs 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 229920002959 polymer blend Polymers 0.000 claims description 3
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 239000003960 organic solvent Substances 0.000 abstract description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 23
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 23
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 23
- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 description 10
- 239000002904 solvent Substances 0.000 description 9
- 239000000835 fiber Substances 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 8
- 230000008961 swelling Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- 239000006261 foam material Substances 0.000 description 6
- 229920002678 cellulose Polymers 0.000 description 5
- 239000001913 cellulose Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000007654 immersion Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 4
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 4
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 4
- 229920000058 polyacrylate Polymers 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229920000896 Ethulose Polymers 0.000 description 2
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 description 2
- 206010021639 Incontinence Diseases 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000001341 hydroxy propyl starch Substances 0.000 description 2
- 235000013828 hydroxypropyl starch Nutrition 0.000 description 2
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- MGJKQDOBUOMPEZ-UHFFFAOYSA-N N,N'-dimethylurea Chemical compound CNC(=O)NC MGJKQDOBUOMPEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920002201 Oxidized cellulose Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 239000013504 Triton X-100 Substances 0.000 description 1
- 229920004890 Triton X-100 Polymers 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- AZSFNUJOCKMOGB-UHFFFAOYSA-K cyclotriphosphate(3-) Chemical compound [O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 AZSFNUJOCKMOGB-UHFFFAOYSA-K 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229940107304 oxidized cellulose Drugs 0.000 description 1
- 239000001254 oxidized starch Substances 0.000 description 1
- 235000013808 oxidized starch Nutrition 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011555 saturated liquid Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- 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
- A61L15/28—Polysaccharides or their derivatives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
- C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/005—Crosslinking of cellulose derivatives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0087—Glucomannans or galactomannans; Tara or tara gum, i.e. D-mannose and D-galactose units, e.g. from Cesalpinia spinosa; Tamarind gum, i.e. D-galactose, D-glucose and D-xylose units, e.g. from Tamarindus indica; Gum Arabic, i.e. L-arabinose, L-rhamnose, D-galactose and D-glucuronic acid units, e.g. from Acacia Senegal or Acacia Seyal; Derivatives thereof
- C08B37/0096—Guar, guar gum, guar flour, guaran, i.e. (beta-1,4) linked D-mannose units in the main chain branched with D-galactose units in (alpha-1,6), e.g. from Cyamopsis Tetragonolobus; Derivatives 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
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
- C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
- C08L1/286—Alkyl ethers substituted with acid radicals, e.g. carboxymethyl cellulose [CMC]
-
- 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
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
- C08J2301/32—Cellulose ether-esters
-
- 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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/26—Cellulose ethers
- C08J2401/28—Alkyl ethers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Dispersion Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Emergency Medicine (AREA)
- Molecular Biology (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9803448A SE517075C2 (sv) | 1998-10-09 | 1998-10-09 | Polysackaridbaserat absorberande polymermaterial |
| SE9803448 | 1998-10-09 | ||
| PCT/SE1999/001793 WO2000021581A1 (en) | 1998-10-09 | 1999-10-07 | Polysaccharide based absorbent polymer material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69908391D1 DE69908391D1 (de) | 2003-07-03 |
| DE69908391T2 true DE69908391T2 (de) | 2004-06-24 |
Family
ID=20412893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69908391T Expired - Lifetime DE69908391T2 (de) | 1998-10-09 | 1999-10-07 | Absorbierendes polymermaterial auf polysaccharidbasis |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP1119378B1 (OSRAM) |
| JP (1) | JP4558939B2 (OSRAM) |
| AT (1) | ATE241393T1 (OSRAM) |
| AU (1) | AU1304900A (OSRAM) |
| DE (1) | DE69908391T2 (OSRAM) |
| DK (1) | DK1119378T3 (OSRAM) |
| PL (1) | PL194949B1 (OSRAM) |
| SE (1) | SE517075C2 (OSRAM) |
| SK (1) | SK4612001A3 (OSRAM) |
| TN (1) | TNSN99187A1 (OSRAM) |
| WO (1) | WO2000021581A1 (OSRAM) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2351253A1 (en) | 2000-11-10 | 2002-05-10 | Groupe Lysac Inc./Lysac Group Inc. | Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbent |
| CA2423712A1 (en) | 2003-03-26 | 2004-09-26 | Nicolas Nourry | Crosslinked amylopectin by reactive extrusion and its use as an absorbent or superabsorbent material |
| CA2443059A1 (en) | 2003-09-29 | 2005-03-29 | Le Groupe Lysac Inc. | Polysaccharide-clay superabsorbent nanocomposites |
| KR100863870B1 (ko) | 2004-06-21 | 2008-10-15 | 에보닉 스톡하우젠 게엠베하 | 수분 흡수성 다당류 및 이의 제조방법 |
| DE102004030182A1 (de) | 2004-06-22 | 2006-01-12 | Stockhausen Gmbh | Wasserabsorbierendes Polysaccharid sowie ein Verfahren zu seiner Herstellung |
| US7645806B2 (en) | 2006-10-02 | 2010-01-12 | Weyerhaeuser Nr Company | Methods for the preparation of superabsorbent particles containing carboxyalkyl cellulose |
| US7625463B2 (en) | 2006-10-02 | 2009-12-01 | Weyerhaeuser Nr Company | Methods for the preparation of fibrous superabsorbent composite containing cellulose |
| US7785710B2 (en) | 2006-10-02 | 2010-08-31 | Weyerhaeuser Nr Company | Superabsorbent particles containing carboxyalkyl cellulose and temporary metal crosslinks |
| US7717995B2 (en) | 2006-10-02 | 2010-05-18 | Weyerhaeuser Nr Company | Methods for the preparation of mixed polymer superabsorbent fibers containing cellulose |
| US7591891B2 (en) | 2007-06-25 | 2009-09-22 | Weyerhaeuser Nr Company | Fibrous blend and methods of preparation |
| US7749317B2 (en) | 2007-06-25 | 2010-07-06 | Weyerhaeuser Nr Company | Fibrous blend and method of making |
| US8084391B2 (en) | 2008-06-30 | 2011-12-27 | Weyerhaeuser Nr Company | Fibers having biodegradable superabsorbent particles attached thereto |
| US8101543B2 (en) | 2008-06-30 | 2012-01-24 | Weyerhaeuser Nr Company | Biodegradable superabsorbent particles |
| US7833384B2 (en) | 2008-06-30 | 2010-11-16 | Weyerhaeuser Nr Company | Method for making fiber having biodegradable superabsorbent particles attached thereto |
| US8641869B2 (en) | 2008-06-30 | 2014-02-04 | Weyerhaeuser Nr Company | Method for making biodegradable superabsorbent particles |
| US7959762B2 (en) | 2008-06-30 | 2011-06-14 | Weyerhaeuser Nr Company | Method for making biodegradable superabsorbent particles |
| US8361926B2 (en) | 2008-11-25 | 2013-01-29 | Evonik Stockhausen, Llc | Water-absorbing polysaccharide and method for producing the same |
| CA2844631A1 (en) | 2011-08-09 | 2013-02-14 | Rhodia Operations | Wettable, non-leachable peat moss, method of preparation, and method of use |
| JP6368554B2 (ja) * | 2014-06-09 | 2018-08-01 | 独立行政法人国立高等専門学校機構 | ゲル化剤 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3092225B2 (ja) * | 1991-08-15 | 2000-09-25 | 王子製紙株式会社 | 高吸水性セルロース材料の製造方法 |
| JPH06154596A (ja) * | 1992-11-18 | 1994-06-03 | Sanyo Chem Ind Ltd | 耐塩安定性吸収剤及びその製法 |
| US5573994A (en) * | 1994-05-13 | 1996-11-12 | University Of Cincinnati | Superabsorbent foams, and method for producing the same |
| JP3720084B2 (ja) * | 1994-07-26 | 2005-11-24 | 株式会社日本触媒 | 吸水性樹脂およびその製造方法並びに吸水性物品 |
| JPH0985079A (ja) * | 1995-09-22 | 1997-03-31 | Oji Paper Co Ltd | 有機溶媒と水を吸収するゲル化剤の製造方法 |
| DK0994732T3 (da) * | 1997-06-24 | 2001-12-17 | Sca Hygiene Prod Ab | Absorberende struktur omfattende en stærkt absorberende polymer og en absorberende artikel omfattende den absorberende struktur |
-
1998
- 1998-10-09 SE SE9803448A patent/SE517075C2/sv not_active IP Right Cessation
-
1999
- 1999-10-07 TN TNTNSN99187A patent/TNSN99187A1/fr unknown
- 1999-10-07 JP JP2000575553A patent/JP4558939B2/ja not_active Expired - Lifetime
- 1999-10-07 WO PCT/SE1999/001793 patent/WO2000021581A1/en not_active Ceased
- 1999-10-07 PL PL364940A patent/PL194949B1/pl unknown
- 1999-10-07 DE DE69908391T patent/DE69908391T2/de not_active Expired - Lifetime
- 1999-10-07 SK SK461-2001A patent/SK4612001A3/sk unknown
- 1999-10-07 DK DK99956437T patent/DK1119378T3/da active
- 1999-10-07 AT AT99956437T patent/ATE241393T1/de not_active IP Right Cessation
- 1999-10-07 AU AU13049/00A patent/AU1304900A/en not_active Abandoned
- 1999-10-07 EP EP99956437A patent/EP1119378B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1119378A1 (en) | 2001-08-01 |
| EP1119378B1 (en) | 2003-05-28 |
| ATE241393T1 (de) | 2003-06-15 |
| AU1304900A (en) | 2000-05-01 |
| DK1119378T3 (da) | 2003-09-01 |
| SE9803448D0 (sv) | 1998-10-09 |
| PL364940A1 (en) | 2004-12-27 |
| SK4612001A3 (en) | 2001-10-08 |
| SE9803448L (sv) | 2000-04-10 |
| WO2000021581A1 (en) | 2000-04-20 |
| PL194949B1 (pl) | 2007-07-31 |
| JP2003515616A (ja) | 2003-05-07 |
| TNSN99187A1 (fr) | 2001-12-31 |
| JP4558939B2 (ja) | 2010-10-06 |
| SE517075C2 (sv) | 2002-04-09 |
| DE69908391D1 (de) | 2003-07-03 |
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| Date | Code | Title | Description |
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| 8332 | No legal effect for de | ||
| 8370 | Indication related to discontinuation of the patent is to be deleted | ||
| 8364 | No opposition during term of opposition |