DE69422030T3 - Absorbierendes quellbares Material enthaltend eine trockene Mischung von wenigstens zwei verschiedenen Typen von Hydrogel formenden Partikeln und Verfahren zu seiner Herstellung - Google Patents
Absorbierendes quellbares Material enthaltend eine trockene Mischung von wenigstens zwei verschiedenen Typen von Hydrogel formenden Partikeln und Verfahren zu seiner Herstellung Download PDFInfo
- Publication number
- DE69422030T3 DE69422030T3 DE69422030T DE69422030T DE69422030T3 DE 69422030 T3 DE69422030 T3 DE 69422030T3 DE 69422030 T DE69422030 T DE 69422030T DE 69422030 T DE69422030 T DE 69422030T DE 69422030 T3 DE69422030 T3 DE 69422030T3
- Authority
- DE
- Germany
- Prior art keywords
- hydrogel
- forming
- type
- particles
- forming particles
- 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
- 239000002245 particle Substances 0.000 title claims description 258
- 239000002250 absorbent Substances 0.000 title claims description 173
- 230000002745 absorbent Effects 0.000 title claims description 173
- 239000000463 material Substances 0.000 title claims description 170
- 239000000203 mixture Substances 0.000 title claims description 74
- 238000000034 method Methods 0.000 title claims description 28
- 230000008569 process Effects 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title description 12
- 238000002156 mixing Methods 0.000 claims description 26
- 241001122767 Theaceae Species 0.000 claims description 25
- 238000010521 absorption reaction Methods 0.000 claims description 23
- 239000000178 monomer Substances 0.000 claims description 21
- 238000004132 cross linking Methods 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 7
- 238000007873 sieving Methods 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 description 56
- 239000007788 liquid Substances 0.000 description 28
- 239000000523 sample Substances 0.000 description 22
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 17
- 239000000835 fiber Substances 0.000 description 14
- 239000010410 layer Substances 0.000 description 14
- 239000000499 gel Substances 0.000 description 13
- 238000009826 distribution Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 239000012530 fluid Substances 0.000 description 10
- 230000006855 networking Effects 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 7
- 229920002125 Sokalan® Polymers 0.000 description 7
- -1 a-cyanoacrylic acid Chemical compound 0.000 description 7
- 239000002861 polymer material Substances 0.000 description 7
- 239000011780 sodium chloride Substances 0.000 description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 210000000416 exudates and transudate Anatomy 0.000 description 6
- 229920000058 polyacrylate Polymers 0.000 description 6
- 239000002243 precursor Substances 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 229920006037 cross link polymer Polymers 0.000 description 5
- 239000003431 cross linking reagent Substances 0.000 description 5
- 229920000578 graft copolymer Polymers 0.000 description 5
- 239000004584 polyacrylic acid Substances 0.000 description 5
- 230000000717 retained effect Effects 0.000 description 5
- 230000002195 synergetic effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000012496 blank sample Substances 0.000 description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 210000002700 urine Anatomy 0.000 description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 3
- 206010021639 Incontinence Diseases 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 239000003349 gelling agent Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 230000000379 polymerizing effect Effects 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000004971 Cross linker Substances 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 229920005372 Plexiglas® Polymers 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000001588 bifunctional effect Effects 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000000017 hydrogel Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 125000000542 sulfonic acid group Chemical group 0.000 description 2
- 150000003460 sulfonic acids Chemical class 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- ZINGPVGWKVTAAC-IAROGAJJSA-N (2z,4e)-2-chlorohexa-2,4-dienoic acid Chemical compound C\C=C\C=C(/Cl)C(O)=O ZINGPVGWKVTAAC-IAROGAJJSA-N 0.000 description 1
- XVOUMQNXTGKGMA-OWOJBTEDSA-N (E)-glutaconic acid Chemical compound OC(=O)C\C=C\C(O)=O XVOUMQNXTGKGMA-OWOJBTEDSA-N 0.000 description 1
- 239000001124 (E)-prop-1-ene-1,2,3-tricarboxylic acid Substances 0.000 description 1
- IAKAIJRXUQFDRQ-ZPYUXNTASA-N (e)-but-2-enoic acid;2-methylprop-2-enoic acid Chemical compound C\C=C\C(O)=O.CC(=C)C(O)=O IAKAIJRXUQFDRQ-ZPYUXNTASA-N 0.000 description 1
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 1
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- DZSVIVLGBJKQAP-UHFFFAOYSA-N 1-(2-methyl-5-propan-2-ylcyclohex-2-en-1-yl)propan-1-one Chemical compound CCC(=O)C1CC(C(C)C)CC=C1C DZSVIVLGBJKQAP-UHFFFAOYSA-N 0.000 description 1
- SZTBMYHIYNGYIA-UHFFFAOYSA-N 2-chloroacrylic acid Chemical compound OC(=O)C(Cl)=C SZTBMYHIYNGYIA-UHFFFAOYSA-N 0.000 description 1
- WROUWQQRXUBECT-UHFFFAOYSA-N 2-ethylacrylic acid Chemical compound CCC(=C)C(O)=O WROUWQQRXUBECT-UHFFFAOYSA-N 0.000 description 1
- SQVSEQUIWOQWAH-UHFFFAOYSA-N 2-hydroxy-3-(2-methylprop-2-enoyloxy)propane-1-sulfonic acid Chemical compound CC(=C)C(=O)OCC(O)CS(O)(=O)=O SQVSEQUIWOQWAH-UHFFFAOYSA-N 0.000 description 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 description 1
- KFNGWPXYNSJXOP-UHFFFAOYSA-N 3-(2-methylprop-2-enoyloxy)propane-1-sulfonic acid Chemical compound CC(=C)C(=O)OCCCS(O)(=O)=O KFNGWPXYNSJXOP-UHFFFAOYSA-N 0.000 description 1
- NYUTUWAFOUJLKI-UHFFFAOYSA-N 3-prop-2-enoyloxypropane-1-sulfonic acid Chemical compound OS(=O)(=O)CCCOC(=O)C=C NYUTUWAFOUJLKI-UHFFFAOYSA-N 0.000 description 1
- GXLIFJYFGMHYDY-ZZXKWVIFSA-N 4-chlorocinnamic acid Chemical compound OC(=O)\C=C\C1=CC=C(Cl)C=C1 GXLIFJYFGMHYDY-ZZXKWVIFSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- UIERETOOQGIECD-UHFFFAOYSA-N Angelic acid Natural products CC=C(C)C(O)=O UIERETOOQGIECD-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- WBYWAXJHAXSJNI-SREVYHEPSA-N Cinnamic acid Chemical compound OC(=O)\C=C/C1=CC=CC=C1 WBYWAXJHAXSJNI-SREVYHEPSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229940091181 aconitic acid Drugs 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
- 229940048053 acrylate Drugs 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 150000001253 acrylic acids Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001412 amines Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- UIERETOOQGIECD-ARJAWSKDSA-N angelic acid Chemical compound C\C=C(\C)C(O)=O UIERETOOQGIECD-ARJAWSKDSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002902 bimodal effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229930016911 cinnamic acid Natural products 0.000 description 1
- 235000013985 cinnamic acid Nutrition 0.000 description 1
- GTZCVFVGUGFEME-IWQZZHSRSA-N cis-aconitic acid Chemical compound OC(=O)C\C(C(O)=O)=C\C(O)=O GTZCVFVGUGFEME-IWQZZHSRSA-N 0.000 description 1
- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 1
- 229940018557 citraconic acid Drugs 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000000416 hydrocolloid Substances 0.000 description 1
- 229920001480 hydrophilic copolymer Polymers 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- HNEGQIOMVPPMNR-NSCUHMNNSA-N mesaconic acid Chemical compound OC(=O)C(/C)=C/C(O)=O HNEGQIOMVPPMNR-NSCUHMNNSA-N 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- HNEGQIOMVPPMNR-UHFFFAOYSA-N methylfumaric acid Natural products OC(=O)C(C)=CC(O)=O HNEGQIOMVPPMNR-UHFFFAOYSA-N 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical group 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 229940075582 sorbic acid Drugs 0.000 description 1
- 235000010199 sorbic acid Nutrition 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000003459 sulfonic acid esters Chemical class 0.000 description 1
- 229920000247 superabsorbent polymer Polymers 0.000 description 1
- 239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- GTZCVFVGUGFEME-UHFFFAOYSA-N trans-aconitic acid Natural products OC(=O)CC(C(O)=O)=CC(O)=O GTZCVFVGUGFEME-UHFFFAOYSA-N 0.000 description 1
- WBYWAXJHAXSJNI-VOTSOKGWSA-N trans-cinnamic acid Chemical compound OC(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 239000010457 zeolite 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
-
- 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
- A61L15/225—Mixtures of macromolecular compounds
-
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Hematology (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (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)
- Cartons (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP94110451A EP0691133B2 (en) | 1994-07-05 | 1994-07-05 | Absorbent gelling material comprising a dry mixture of at least two types of hydrogel-forming particles and method for making the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE69422030D1 DE69422030D1 (de) | 2000-01-13 |
| DE69422030T2 DE69422030T2 (de) | 2000-07-13 |
| DE69422030T3 true DE69422030T3 (de) | 2004-04-22 |
Family
ID=8216085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69422030T Expired - Lifetime DE69422030T3 (de) | 1994-07-05 | 1994-07-05 | Absorbierendes quellbares Material enthaltend eine trockene Mischung von wenigstens zwei verschiedenen Typen von Hydrogel formenden Partikeln und Verfahren zu seiner Herstellung |
Country Status (14)
Families Citing this family (83)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3383497B2 (ja) * | 1995-11-30 | 2003-03-04 | ユニ・チャーム株式会社 | 使い捨ての体液吸収性着用物品 |
| DE19631421C2 (de) * | 1996-08-06 | 2002-07-18 | Beiersdorf Ag | Antimikrobielle Wundauflagen |
| GB9618565D0 (en) * | 1996-09-05 | 1996-10-16 | Bristol Myers Co | Wound dressing |
| AU717286B2 (en) * | 1996-11-06 | 2000-03-23 | Sanyo Chemical Industries Ltd. | Water absorbing agent and absorbent material |
| US6383960B1 (en) | 1997-10-08 | 2002-05-07 | Kimberly-Clark Worldwide, Inc. | Layered absorbent structure |
| US6121509A (en) * | 1998-01-07 | 2000-09-19 | The Procter & Gamble Company | Absorbent polymer compositions having high sorption capacities under an applied pressure and improved integrity when wet |
| US6710225B1 (en) | 1998-06-15 | 2004-03-23 | Kimberly-Clark Worldwide, Inc. | Layered absorbent structure with a zoned basis weight |
| US6416697B1 (en) | 1999-12-03 | 2002-07-09 | Kimberly-Clark Worldwide, Inc. | Method for obtaining a dual strata distribution of superabsorbent in a fibrous matrix |
| US6437214B1 (en) | 2000-01-06 | 2002-08-20 | Kimberly-Clark Worldwide, Inc. | Layered absorbent structure with a zoned basis weight and a heterogeneous layer region |
| CA2382419A1 (en) | 2002-04-24 | 2003-10-24 | Le Groupe Lysac Inc. | Synergistic blends of polysaccharides as biodegradable absorbent materials or superabsorbents |
| EP1813236B1 (en) | 2003-02-12 | 2013-07-10 | The Procter & Gamble Company | Absorbent Core for an Absorbent Article |
| EP1447067B1 (en) | 2003-02-12 | 2007-12-05 | The Procter & Gamble Company | Thin and dry diaper |
| FR2914865B1 (fr) * | 2007-04-13 | 2011-03-18 | Olivier Revert | Composition pulverulente pour absorber les liquides aqueux. |
| MX2009013906A (es) | 2007-06-18 | 2010-01-28 | Procter & Gamble | Articulo absorbente desechable con nucleo absorbente sellado con material polimerico particulado absorbente practicamente distribuido en forma continua. |
| PL2478883T3 (pl) | 2007-06-18 | 2017-01-31 | The Procter And Gamble Company | Jednorazowy wyrób chłonny z zasadniczo rozmieszczonym w sposób ciągły chłonnym rozdrobnionym materiałem polimerowym oraz sposób jego wytwarzania |
| CA2720092C (en) * | 2008-03-31 | 2017-08-01 | Rhodia Operations | Self-situating stimuli-responsive polymer compositions in soil additives and methods for use |
| JP5650124B2 (ja) * | 2008-11-21 | 2015-01-07 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | 異なる表面後架橋を有する表面後架橋された超吸収体の混合物 |
| EP2277557B1 (en) | 2009-07-20 | 2014-06-25 | The Procter and Gamble Company | Coated superabsorbent polymer particles and processes therefore |
| EP2277558B1 (en) | 2009-07-20 | 2014-07-02 | The Procter and Gamble Company | Superabsorbent polymer composite particles and processes therefore |
| EP2329803B1 (en) | 2009-12-02 | 2019-06-19 | The Procter & Gamble Company | Apparatus and method for transferring particulate material |
| EP2386277B1 (en) | 2010-04-20 | 2013-11-13 | The Procter and Gamble Company | Apparatus and method for receiving and transferring solid material |
| EP2394618B1 (en) | 2010-06-09 | 2012-12-19 | The Procter & Gamble Company | Apparatus and method for retaining and releasing solid material |
| EP2412343B1 (en) | 2010-07-27 | 2012-12-19 | The Procter & Gamble Company | Apparatus and process for transferring substrate material and particulate material |
| EP2447286A1 (en) | 2010-11-01 | 2012-05-02 | The Procter & Gamble Company | Process using supercritical medium to produce polymers |
| EP2465546B1 (en) | 2010-12-15 | 2015-01-14 | The Procter and Gamble Company | Water-absorbent modified clay linked polymers |
| EP2465547B1 (en) | 2010-12-15 | 2017-03-08 | The Procter and Gamble Company | Method for making water-absorbent modified clay-linked polymers |
| CN103596535B (zh) | 2011-06-10 | 2015-11-25 | 宝洁公司 | 用于一次性吸收制品的吸收芯 |
| EP2532332B2 (en) | 2011-06-10 | 2017-10-04 | The Procter and Gamble Company | Disposable diaper having reduced attachment between absorbent core and backsheet |
| PL2532328T3 (pl) | 2011-06-10 | 2014-07-31 | Procter & Gamble | Sposób i urządzenie do wytworzenia struktur chłonnych z materiałem chłonnym |
| PH12013502575A1 (en) | 2011-06-10 | 2014-02-10 | Procter & Gamble | Absorbent structure for absorbent articles |
| WO2012170778A1 (en) | 2011-06-10 | 2012-12-13 | The Procter & Gamble Company | Absorbent structure for absorbent articles |
| EP2532329B1 (en) | 2011-06-10 | 2018-09-19 | The Procter and Gamble Company | Method and apparatus for making absorbent structures with absorbent material |
| CN105816277A (zh) | 2011-06-10 | 2016-08-03 | 宝洁公司 | 一次性尿布 |
| EP2656862A1 (en) | 2012-04-24 | 2013-10-30 | The Procter & Gamble Company | Substrate comprising one or more human milk oligosaccharides and disposable absorbent article comprising the substrate |
| EP2671554B1 (en) | 2012-06-08 | 2016-04-27 | The Procter & Gamble Company | Absorbent core for use in absorbent articles |
| EP2679210B1 (en) | 2012-06-28 | 2015-01-28 | The Procter & Gamble Company | Absorbent articles with improved core |
| EP2679209B1 (en) | 2012-06-28 | 2015-03-04 | The Procter & Gamble Company | Absorbent articles with improved core |
| EP2679208B1 (en) | 2012-06-28 | 2015-01-28 | The Procter & Gamble Company | Absorbent core for use in absorbent articles |
| DE102013018940A1 (de) | 2012-11-13 | 2014-05-15 | The Procter & Gamble Company | Absorptionsartikel mit Kanälen und Signalen |
| EP2740452B1 (en) | 2012-12-10 | 2021-11-10 | The Procter & Gamble Company | Absorbent article with high absorbent material content |
| US10639215B2 (en) | 2012-12-10 | 2020-05-05 | The Procter & Gamble Company | Absorbent articles with channels and/or pockets |
| US9216118B2 (en) | 2012-12-10 | 2015-12-22 | The Procter & Gamble Company | Absorbent articles with channels and/or pockets |
| DE202012013572U1 (de) | 2012-12-10 | 2017-12-05 | The Procter & Gamble Company | Absorptionsartikel mit hohem Absorptionsmaterialgehalt |
| HUE044699T2 (hu) | 2012-12-10 | 2019-11-28 | Procter & Gamble | Folyadékgyûjtõ-eloszlató rendszerrel kiegészített nedvszívó termék |
| EP2740449B1 (en) | 2012-12-10 | 2019-01-23 | The Procter & Gamble Company | Absorbent article with high absorbent material content |
| US9216116B2 (en) | 2012-12-10 | 2015-12-22 | The Procter & Gamble Company | Absorbent articles with channels |
| DE202012013571U1 (de) | 2012-12-10 | 2017-12-06 | The Procter & Gamble Company | Absorptionspartikel mit hohem Absorptionsmaterialgehalt |
| EP2740450A1 (en) | 2012-12-10 | 2014-06-11 | The Procter & Gamble Company | Absorbent core with high superabsorbent material content |
| US8979815B2 (en) | 2012-12-10 | 2015-03-17 | The Procter & Gamble Company | Absorbent articles with channels |
| DE202014011107U1 (de) | 2013-06-14 | 2017-12-15 | The Procter & Gamble Company | Bei Nässe Kanäle bildender absorbierender Artikel und absorbierender Kern |
| JP6334705B2 (ja) | 2013-08-27 | 2018-05-30 | ザ プロクター アンド ギャンブル カンパニー | チャネルを有する吸収性物品 |
| US9987176B2 (en) | 2013-08-27 | 2018-06-05 | The Procter & Gamble Company | Absorbent articles with channels |
| US11207220B2 (en) | 2013-09-16 | 2021-12-28 | The Procter & Gamble Company | Absorbent articles with channels and signals |
| MX2016003391A (es) | 2013-09-16 | 2016-06-24 | Procter & Gamble | Articulos absorbentes con canales y señales. |
| EP2851048B1 (en) | 2013-09-19 | 2018-09-05 | The Procter and Gamble Company | Absorbent cores having material free areas |
| US9789009B2 (en) | 2013-12-19 | 2017-10-17 | The Procter & Gamble Company | Absorbent articles having channel-forming areas and wetness indicator |
| EP2886092B1 (en) | 2013-12-19 | 2016-09-14 | The Procter and Gamble Company | Absorbent cores having channel-forming areas and c-wrap seals |
| EP2905000B1 (en) | 2014-02-11 | 2016-12-28 | The Procter and Gamble Company | Method and apparatus for making an absorbent structure comprising channels |
| EP2905001B1 (en) | 2014-02-11 | 2017-01-04 | The Procter and Gamble Company | Method and apparatus for making an absorbent structure comprising channels |
| EP2949300B1 (en) | 2014-05-27 | 2017-08-02 | The Procter and Gamble Company | Absorbent core with absorbent material pattern |
| GB2554228B (en) | 2015-03-16 | 2021-08-04 | Procter & Gamble | Absorbent articles with improved strength |
| WO2016149251A1 (en) | 2015-03-16 | 2016-09-22 | The Procter & Gamble Company | Absorbent articles with improved cores |
| BR112017024325A2 (pt) | 2015-05-12 | 2018-07-24 | Procter & Gamble | artigo absorvente com um adesivo aprimorado entre o núcleo e a camada inferior |
| US10543129B2 (en) | 2015-05-29 | 2020-01-28 | The Procter & Gamble Company | Absorbent articles having channels and wetness indicator |
| EP3167859B1 (en) | 2015-11-16 | 2020-05-06 | The Procter and Gamble Company | Absorbent cores having material free areas |
| ES2838027T3 (es) | 2015-12-02 | 2021-07-01 | Hartmann Paul Ag | Artículo absorbente con núcleo mejorado |
| EP3205318A1 (en) | 2016-02-11 | 2017-08-16 | The Procter and Gamble Company | Absorbent article with high absorbent capacity |
| US10285871B2 (en) | 2016-03-03 | 2019-05-14 | The Procter & Gamble Company | Absorbent article with sensor |
| KR101949458B1 (ko) | 2016-03-11 | 2019-02-18 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 및 고흡수성 수지 |
| EP3238678B1 (en) | 2016-04-29 | 2019-02-27 | The Procter and Gamble Company | Absorbent core with transversal folding lines |
| EP3238676B1 (en) | 2016-04-29 | 2019-01-02 | The Procter and Gamble Company | Absorbent core with profiled distribution of absorbent material |
| EP3251648A1 (en) | 2016-05-31 | 2017-12-06 | The Procter and Gamble Company | Absorbent article with improved fluid distribution |
| EP3278782A1 (en) | 2016-08-02 | 2018-02-07 | The Procter and Gamble Company | Absorbent article with improved fluid storage |
| CN107260693A (zh) * | 2016-10-12 | 2017-10-20 | 钟术光 | 延缓药物释放的组合物 |
| CN107198680A (zh) * | 2016-10-12 | 2017-09-26 | 钟术光 | 缓释制剂 |
| CN107929747A (zh) * | 2016-10-12 | 2018-04-20 | 钟术光 | 亲水聚合物的组合物 |
| WO2018118614A1 (en) | 2016-12-19 | 2018-06-28 | The Procter & Gamble Company | Absorbent article with absorbent core |
| DE202017006014U1 (de) | 2017-11-21 | 2018-01-14 | The Procter & Gamble Company | Absorptionsartikel mit Taschen |
| DE202017006016U1 (de) | 2017-11-21 | 2017-12-01 | The Procter & Gamble Company | Absorptionsartikel mit Kanälen |
| EP3517674A1 (en) | 2018-01-29 | 2019-07-31 | The Procter & Gamble Company | Apparatus and method for ultrasonic bonding |
| CN112512476A (zh) * | 2018-08-01 | 2021-03-16 | 巴斯夫欧洲公司 | 流体吸收芯 |
| EP3829507A1 (en) * | 2018-08-01 | 2021-06-09 | Basf Se | Feminine hygiene absorbent article |
| KR102651835B1 (ko) * | 2022-04-04 | 2024-03-29 | 경북대학교 산학협력단 | 셀룰로오스 기반 블렌딩 하이드로겔의 제조 방법, 이로부터 제조된 셀룰로오스 기반 블렌딩 하이드로겔 및 이를 포함하는 흡수성 물품 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4578068A (en) † | 1983-12-20 | 1986-03-25 | The Procter & Gamble Company | Absorbent laminate structure |
| US4699620A (en) * | 1985-09-06 | 1987-10-13 | Kimberly-Clark Corporation | Form-fitting self-adjusting disposable garment with a multilayered absorbent |
| ZA892846B (en) † | 1988-04-21 | 1989-12-27 | Kimberly Clark Co | Absorbent products containing hydrogels with ability to swell against pressure |
| SE463747B (sv) † | 1989-05-31 | 1991-01-21 | Moelnlycke Ab | Absorberande alster innefattande aatminstone tvaa olika superabsorbenter |
| DE3923144A1 (de) † | 1989-07-13 | 1991-01-24 | Wolff Walsrode Ag | Verfahren zur herstellung von hydrokolloidmischungen mit verbesserter dispergierbarkeit |
| US5156902A (en) † | 1990-01-09 | 1992-10-20 | Kimberly-Clark Corporation | Method and apparatus for intermittently depositing particulate material in a substrate and article made therewith |
| US5124188A (en) * | 1990-04-02 | 1992-06-23 | The Procter & Gamble Company | Porous, absorbent, polymeric macrostructures and methods of making the same |
| US5338766A (en) * | 1993-03-26 | 1994-08-16 | The Procter & Gamble Company | Superabsorbent polymer foam |
-
1994
- 1994-07-05 AT AT94110451T patent/ATE187341T1/de not_active IP Right Cessation
- 1994-07-05 ES ES94110451T patent/ES2139687T5/es not_active Expired - Lifetime
- 1994-07-05 EP EP94110451A patent/EP0691133B2/en not_active Expired - Lifetime
- 1994-07-05 DE DE69422030T patent/DE69422030T3/de not_active Expired - Lifetime
-
1995
- 1995-07-03 JP JP50436596A patent/JP3986554B2/ja not_active Expired - Fee Related
- 1995-07-03 KR KR1019970700014A patent/KR100259729B1/ko not_active Expired - Fee Related
- 1995-07-03 MX MX9700085A patent/MX9700085A/es not_active IP Right Cessation
- 1995-07-03 CA CA002192805A patent/CA2192805C/en not_active Expired - Fee Related
- 1995-07-03 WO PCT/US1995/008379 patent/WO1996001657A2/en active IP Right Grant
- 1995-07-03 CN CN95193962A patent/CN1079698C/zh not_active Expired - Fee Related
- 1995-07-03 AU AU29591/95A patent/AU2959195A/en not_active Abandoned
- 1995-07-03 BR BR9508234A patent/BR9508234A/pt not_active IP Right Cessation
-
1999
- 1999-06-07 AR ARP990102679A patent/AR012802A1/es unknown
- 1999-12-09 GR GR990402926T patent/GR3032095T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN1151707A (zh) | 1997-06-11 |
| BR9508234A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1997-12-23 |
| MX9700085A (es) | 1997-12-31 |
| HK1013265A1 (en) | 1999-08-20 |
| WO1996001657A3 (en) | 1996-05-09 |
| ES2139687T3 (es) | 2000-02-16 |
| KR100259729B1 (ko) | 2000-07-01 |
| JPH10502954A (ja) | 1998-03-17 |
| ATE187341T1 (de) | 1999-12-15 |
| JP3986554B2 (ja) | 2007-10-03 |
| CN1079698C (zh) | 2002-02-27 |
| CA2192805C (en) | 2000-03-14 |
| EP0691133A1 (en) | 1996-01-10 |
| KR970704511A (ko) | 1997-09-06 |
| DE69422030T2 (de) | 2000-07-13 |
| AU2959195A (en) | 1996-02-09 |
| GR3032095T3 (en) | 2000-03-31 |
| CA2192805A1 (en) | 1996-01-25 |
| DE69422030D1 (de) | 2000-01-13 |
| AR012802A1 (es) | 2000-11-22 |
| EP0691133B2 (en) | 2003-12-03 |
| WO1996001657A2 (en) | 1996-01-25 |
| ES2139687T5 (es) | 2004-07-16 |
| EP0691133B1 (en) | 1999-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69422030T3 (de) | Absorbierendes quellbares Material enthaltend eine trockene Mischung von wenigstens zwei verschiedenen Typen von Hydrogel formenden Partikeln und Verfahren zu seiner Herstellung | |
| DE69132930T2 (de) | Poröse absorbierende polymermakrostrukturen und verfahren zur herstellung derselben | |
| DE69122504T2 (de) | Absorbierende polymerische partikel enthaltende verbindungen mit die partikel vernetzenden zwischenaggregaten | |
| DE69526576T2 (de) | Absorbierende produkte versehen mit saugfähigen materialien mit verbesserten absorptionseigenschaften | |
| DE69528821T2 (de) | Saugfähige materialien mit verbesserten absorptionseigenschaften und verfahren zu ihrer herstellung | |
| DE69131524T2 (de) | Absorbierendes material mit untereinander vernetzten aggregaten | |
| DE69229828T2 (de) | Absorbierende strukturen mit spezifischer teilchengrössenverteilung von superabsorbierenden hydrogel formende materialien | |
| DE69222945T2 (de) | Absorbierende gegenstände die absorbierende schaummaterialien für wässrige körperflüssigkeiten enthalten | |
| DE69521888T2 (de) | Absorbierendes teil für körperflüssigkeiten mit guter nassfestigkeit und relativ hoher konzentration von hydrogel bildenden absorbierenden polymeren | |
| DE69230257T2 (de) | Verfahren zur hydrophilisierung von aufsaugenden schaumstoffen | |
| DE69915042T2 (de) | Absorbierende schichten zum absorbieren von körperflüssigkeiten | |
| DE4418319C3 (de) | Schichtförmig aufgebauter Körper zur Absorption von Flüssigkeiten sowie seine Herstellung und seine Verwendung | |
| DE112004001524B4 (de) | Beschädigungsfeste, höchstsaugfähige Materialien | |
| DE69316227T2 (de) | Poröse makrostrukturen aus mit kationischen amino-epichlor-hydrin addukten oberflächlich vernetzten absorbierenden teilchen | |
| DE69902177T2 (de) | Nichtklumpende superabsorbierende polymere | |
| DE69132955T2 (de) | Polymermassen zur Absorption von proteinartigen Flüssigkeiten | |
| DE3887712T2 (de) | Absorbierendes Material, versehen mit quellbarem Wirkstoff, und dieses Material enthaltende Produkte. | |
| DE68904461T2 (de) | Absorbierende produkte die sich unter druck ausdehnende hydrogelstoffe enthalten. | |
| DE69426335T2 (de) | Flexible, poröse, absorbierende, polymere makrostrukturen und verfahren zur ihrer herstellung | |
| DE69119840T2 (de) | Absorbierender Artikel | |
| DE112012002516B4 (de) | Absorptionsartikel mit verbesserten Absorptionseigenschaften | |
| DE68915294T2 (de) | Absorbierendes Material, versehen mit Zonen niedriger Dichte und niedrigem spezifischem Gewicht sowie dieses Material enthaltende Produkte. | |
| DE4020780C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE69323297T2 (de) | Wasser absorbierendes material, daraus hergestellter gegenstand und verfahren zur herstellung | |
| DE69931415T2 (de) | Wasserabsorbierendes Mittel, sein Herstellungsverfahren und seine Verwendung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8366 | Restricted maintained after opposition proceedings |