DE3713601C2 - - Google Patents
Info
- Publication number
- DE3713601C2 DE3713601C2 DE3713601A DE3713601A DE3713601C2 DE 3713601 C2 DE3713601 C2 DE 3713601C2 DE 3713601 A DE3713601 A DE 3713601A DE 3713601 A DE3713601 A DE 3713601A DE 3713601 C2 DE3713601 C2 DE 3713601C2
- Authority
- DE
- Germany
- Prior art keywords
- water
- carboxyl
- meth
- compound
- acrylate
- 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
Links
- 229920000642 polymer Polymers 0.000 claims abstract description 26
- -1 glycidyl compound Chemical class 0.000 claims abstract description 20
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 13
- 150000007942 carboxylates Chemical class 0.000 claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims abstract description 8
- 239000002504 physiological saline solution Substances 0.000 claims abstract description 5
- 229920002845 Poly(methacrylic acid) Polymers 0.000 claims abstract 2
- 210000001124 body fluid Anatomy 0.000 claims abstract 2
- 239000010839 body fluid Substances 0.000 claims abstract 2
- 239000000178 monomer Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 20
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 19
- 238000006116 polymerization reaction Methods 0.000 claims description 14
- 239000002250 absorbent Substances 0.000 claims description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 8
- 239000004971 Cross linker Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 6
- 230000002745 absorbent Effects 0.000 claims description 5
- 239000003999 initiator Substances 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 238000010557 suspension polymerization reaction Methods 0.000 claims description 4
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000004584 polyacrylic acid Substances 0.000 claims description 3
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 2
- DMQYPVOQAARSNF-UHFFFAOYSA-N 3-[2,3-bis(3-prop-2-enoyloxypropoxy)propoxy]propyl prop-2-enoate Chemical compound C=CC(=O)OCCCOCC(OCCCOC(=O)C=C)COCCCOC(=O)C=C DMQYPVOQAARSNF-UHFFFAOYSA-N 0.000 claims description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 2
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 2
- 150000001447 alkali salts Chemical class 0.000 claims description 2
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 2
- 229920003145 methacrylic acid copolymer Polymers 0.000 claims 2
- LSWYGACWGAICNM-UHFFFAOYSA-N 2-(prop-2-enoxymethyl)oxirane Chemical compound C=CCOCC1CO1 LSWYGACWGAICNM-UHFFFAOYSA-N 0.000 claims 1
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 claims 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 claims 1
- YICILWNDMQTUIY-UHFFFAOYSA-N 2-methylidenepentanamide Chemical compound CCCC(=C)C(N)=O YICILWNDMQTUIY-UHFFFAOYSA-N 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 claims 1
- 229920006037 cross link polymer Polymers 0.000 claims 1
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 claims 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 claims 1
- 229920000193 polymethacrylate Polymers 0.000 claims 1
- MLGWTHRHHANFCC-UHFFFAOYSA-N prop-2-en-1-amine;hydrochloride Chemical compound Cl.NCC=C MLGWTHRHHANFCC-UHFFFAOYSA-N 0.000 claims 1
- 229940096522 trimethylolpropane triacrylate Drugs 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 abstract description 2
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 238000004132 cross linking Methods 0.000 description 7
- 239000012632 extractable Substances 0.000 description 7
- 235000002639 sodium chloride Nutrition 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 229920001477 hydrophilic polymer Polymers 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 description 3
- 230000001588 bifunctional effect Effects 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000001856 Ethyl cellulose Substances 0.000 description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 150000003926 acrylamides Chemical class 0.000 description 2
- 229920003086 cellulose ether Polymers 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 2
- 229920001249 ethyl cellulose Polymers 0.000 description 2
- 235000019325 ethyl cellulose Nutrition 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- DEWLEGDTCGBNGU-UHFFFAOYSA-N 1,3-dichloropropan-2-ol Chemical compound ClCC(O)CCl DEWLEGDTCGBNGU-UHFFFAOYSA-N 0.000 description 1
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 description 1
- SYEWHONLFGZGLK-UHFFFAOYSA-N 2-[1,3-bis(oxiran-2-ylmethoxy)propan-2-yloxymethyl]oxirane Chemical compound C1OC1COCC(OCC1OC1)COCC1CO1 SYEWHONLFGZGLK-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- ZWAPMFBHEQZLGK-UHFFFAOYSA-N 5-(dimethylamino)-2-methylidenepentanamide Chemical compound CN(C)CCCC(=C)C(N)=O ZWAPMFBHEQZLGK-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000271915 Hydrophis Species 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001408 amides Chemical group 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229940063559 methacrylic acid Drugs 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- DYUWTXWIYMHBQS-UHFFFAOYSA-N n-prop-2-enylprop-2-en-1-amine Chemical compound C=CCNCC=C DYUWTXWIYMHBQS-UHFFFAOYSA-N 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000083 poly(allylamine) Polymers 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
- C08F8/00—Chemical modification by after-treatment
- C08F8/14—Esterification
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Graft Or Block Polymers (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873713601 DE3713601A1 (de) | 1987-04-23 | 1987-04-23 | Verfahren zur herstellung eines stark wasserabsorbierenden polymerisats |
| ES198888106172T ES2004857T3 (es) | 1987-04-23 | 1988-04-19 | Procedimiento para la preparacion de un polimerizado fuertemente absorbente del agua. |
| DE8888106172T DE3866153D1 (de) | 1987-04-23 | 1988-04-19 | Verfahren zur herstellung eines stark wasserabsorbierenden polymerisats. |
| EP88106172A EP0288865B1 (de) | 1987-04-23 | 1988-04-19 | Verfahren zur Herstellung eines stark wasserabsorbierenden Polymerisats |
| AT88106172T ATE69451T1 (de) | 1987-04-23 | 1988-04-19 | Verfahren zur herstellung eines stark wasserabsorbierenden polymerisats. |
| JP63098452A JPH0733418B2 (ja) | 1987-04-23 | 1988-04-22 | 高吸水性重合体の製造方法 |
| GR89300042T GR890300042T1 (en) | 1987-04-23 | 1989-05-25 | Process for the manufacture of water absorbing polymers |
| GR910401168T GR3003519T3 (cg-RX-API-DMAC7.html) | 1987-04-23 | 1992-01-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873713601 DE3713601A1 (de) | 1987-04-23 | 1987-04-23 | Verfahren zur herstellung eines stark wasserabsorbierenden polymerisats |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3713601A1 DE3713601A1 (de) | 1988-11-10 |
| DE3713601C2 true DE3713601C2 (cg-RX-API-DMAC7.html) | 1989-07-13 |
Family
ID=6326138
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873713601 Granted DE3713601A1 (de) | 1987-04-23 | 1987-04-23 | Verfahren zur herstellung eines stark wasserabsorbierenden polymerisats |
| DE8888106172T Expired - Lifetime DE3866153D1 (de) | 1987-04-23 | 1988-04-19 | Verfahren zur herstellung eines stark wasserabsorbierenden polymerisats. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8888106172T Expired - Lifetime DE3866153D1 (de) | 1987-04-23 | 1988-04-19 | Verfahren zur herstellung eines stark wasserabsorbierenden polymerisats. |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0288865B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JPH0733418B2 (cg-RX-API-DMAC7.html) |
| AT (1) | ATE69451T1 (cg-RX-API-DMAC7.html) |
| DE (2) | DE3713601A1 (cg-RX-API-DMAC7.html) |
| ES (1) | ES2004857T3 (cg-RX-API-DMAC7.html) |
| GR (2) | GR890300042T1 (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1736508A1 (en) | 2005-06-22 | 2006-12-27 | Basf Aktiengesellschaft | Hydrogel-forming polymers with increased permeability and high absorption capacity |
| EP2345432A2 (de) | 2002-06-11 | 2011-07-20 | Basf Se | Verfahren zur Herstellung von Estern von Polyalkoholen |
Families Citing this family (156)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5264482A (en) * | 1989-10-26 | 1993-11-23 | The Glidden Company | Water-based autoxidisable coating composition |
| GB2237276B (en) * | 1989-10-26 | 1993-12-15 | Ici Plc | Water-based autoxidisable air-drying coating composition and copolymers for use in it |
| DE4015085C2 (de) * | 1990-05-11 | 1995-06-08 | Stockhausen Chem Fab Gmbh | Vernetztes, wasserabsorbierendes Polymer und Verwendung zur Herstellung von Hygieneartikeln, zur Bodenverbesserung und in Kabelummantelungen |
| US5385983A (en) * | 1992-11-12 | 1995-01-31 | The Dow Chemical Company | Process for preparing a water-absorbent polymer |
| DE4244548C2 (de) | 1992-12-30 | 1997-10-02 | Stockhausen Chem Fab Gmbh | Pulverförmige, unter Belastung wäßrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung in textilen Konstruktionen für die Körperhygiene |
| DE4333056C2 (de) * | 1993-09-29 | 1998-07-02 | Stockhausen Chem Fab Gmbh | Pulverförmige, wäßrige Flüssigkeiten absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung als Absorptionsmittel |
| US5719201A (en) * | 1995-03-30 | 1998-02-17 | Woodbridge Foam Corporation | Superabsorbent hydrophilic isocyanate-based foam and process for production thereof |
| US5674917A (en) * | 1995-03-30 | 1997-10-07 | Woodbridge Foam Corporation | Superabsorbent hydrophilic isocyanate-based foam and process for production thereof |
| DE19543368C2 (de) * | 1995-11-21 | 1998-11-26 | Stockhausen Chem Fab Gmbh | Wasserabsorbierende Polymere mit verbesserten Eigenschaften, Verfahren zu deren Herstellung und deren Verwendung |
| DE19646484C2 (de) * | 1995-11-21 | 2000-10-19 | Stockhausen Chem Fab Gmbh | Flüssigkeitsabsorbierende Polymere, Verfahren zu deren Herstellung und deren Verwendung |
| US5624971A (en) * | 1996-07-01 | 1997-04-29 | Woodbridge Foam Corporation | Foamed polymer and process for production thereof |
| US5744509A (en) * | 1996-07-01 | 1998-04-28 | Woodbridge Foam Corporation | Foamed polymer and process for production thereof |
| KR20000022356A (ko) | 1996-07-06 | 2000-04-25 | 헬무트 클림멕 | 흡수성 삽입물, 그 제조 방법 및 용도 |
| US5817703A (en) * | 1996-09-30 | 1998-10-06 | Woodbridge Foam Corporation | Rebond foam and process for production thereof |
| DE19716657A1 (de) * | 1997-04-21 | 1998-10-22 | Stockhausen Chem Fab Gmbh | Superabsorber mit kontrollierter Absorptionsgeschwindigkeit |
| JPH1143503A (ja) | 1997-07-25 | 1999-02-16 | Nippon Mektron Ltd | 変性アクリル系ゴムの製造法 |
| JPH11279287A (ja) | 1998-03-31 | 1999-10-12 | Nippon Shokubai Co Ltd | 吸水剤組成物および吸水剤の製造方法 |
| DE19854573A1 (de) | 1998-11-26 | 2000-05-31 | Basf Ag | Verfahren zur Nachvernetzung von Hydrogelen mit 2-Oxo-tetrahydro-1,3-oxazinen |
| JP4550256B2 (ja) * | 1999-11-19 | 2010-09-22 | 三洋化成工業株式会社 | 吸水性樹脂の製造法 |
| DE10043710B4 (de) | 2000-09-04 | 2015-01-15 | Evonik Degussa Gmbh | Verwendung pulverförmiger an der Oberfläche nachvernetzter Polymerisate und Hygieneartikel |
| DE10212866A1 (de) | 2002-03-22 | 2003-10-09 | Beiersdorf Ag | Narbenreduktionspflaster |
| KR20040105814A (ko) * | 2002-03-28 | 2004-12-16 | 훈츠만 어드밴스트 머티리얼스(스위처랜드) 게엠베하 | 중합성 조성물 |
| KR100518793B1 (ko) * | 2002-10-01 | 2005-10-04 | 주식회사 케이씨씨 | 하이솔리드 폴리에스테르 수지 및 이의 제조방법 |
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| ES535037A0 (es) * | 1983-08-10 | 1985-12-01 | Kao Corp | Un procedimiento para preparar una resina absorbente de agua y muy reactiva |
| JPS6044348A (ja) * | 1983-08-23 | 1985-03-09 | Tokai Shoji Kk | スクリ−ン印刷機におけるスキ−ジ，ドクタ−の上下動反転駆動装置 |
| US4690980A (en) * | 1985-07-17 | 1987-09-01 | Ppg Industries, Inc. | Acrylic modified polymers |
-
1987
- 1987-04-23 DE DE19873713601 patent/DE3713601A1/de active Granted
-
1988
- 1988-04-19 EP EP88106172A patent/EP0288865B1/de not_active Expired - Lifetime
- 1988-04-19 DE DE8888106172T patent/DE3866153D1/de not_active Expired - Lifetime
- 1988-04-19 ES ES198888106172T patent/ES2004857T3/es not_active Expired - Lifetime
- 1988-04-19 AT AT88106172T patent/ATE69451T1/de not_active IP Right Cessation
- 1988-04-22 JP JP63098452A patent/JPH0733418B2/ja not_active Expired - Lifetime
-
1989
- 1989-05-25 GR GR89300042T patent/GR890300042T1/el unknown
-
1992
- 1992-01-08 GR GR910401168T patent/GR3003519T3/el unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2345432A2 (de) | 2002-06-11 | 2011-07-20 | Basf Se | Verfahren zur Herstellung von Estern von Polyalkoholen |
| EP2345431A2 (de) | 2002-06-11 | 2011-07-20 | Basf Se | Verfahren zur Herstellung von Estern von Polyalkoholen |
| EP1736508A1 (en) | 2005-06-22 | 2006-12-27 | Basf Aktiengesellschaft | Hydrogel-forming polymers with increased permeability and high absorption capacity |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0288865A2 (de) | 1988-11-02 |
| GR890300042T1 (en) | 1989-05-25 |
| ES2004857T3 (es) | 1992-06-01 |
| DE3713601A1 (de) | 1988-11-10 |
| JPS6438406A (en) | 1989-02-08 |
| EP0288865A3 (en) | 1989-05-31 |
| JPH0733418B2 (ja) | 1995-04-12 |
| DE3866153D1 (de) | 1991-12-19 |
| EP0288865B1 (de) | 1991-11-13 |
| GR3003519T3 (cg-RX-API-DMAC7.html) | 1993-03-16 |
| ES2004857A4 (es) | 1989-02-16 |
| ATE69451T1 (de) | 1991-11-15 |
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Legal Events
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|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |