CA2078529A1 - Process for modifying hydrophilic polymers - Google Patents
Process for modifying hydrophilic polymersInfo
- Publication number
- CA2078529A1 CA2078529A1 CA002078529A CA2078529A CA2078529A1 CA 2078529 A1 CA2078529 A1 CA 2078529A1 CA 002078529 A CA002078529 A CA 002078529A CA 2078529 A CA2078529 A CA 2078529A CA 2078529 A1 CA2078529 A1 CA 2078529A1
- Authority
- CA
- Canada
- Prior art keywords
- process according
- modifier
- powder
- mixer
- employed
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000000051 modifying effect Effects 0.000 title claims abstract description 15
- 229920001477 hydrophilic polymer Polymers 0.000 title claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 23
- 229920000642 polymer Polymers 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 239000003607 modifier Substances 0.000 claims abstract description 16
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- IAUGBVWVWDTCJV-UHFFFAOYSA-N 1-(prop-2-enoylamino)propane-1-sulfonic acid Chemical compound CCC(S(O)(=O)=O)NC(=O)C=C IAUGBVWVWDTCJV-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 229920000768 polyamine Polymers 0.000 claims description 3
- 229920006037 cross link polymer Polymers 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 14
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 13
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 5
- 239000003431 cross linking reagent Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- -1 for example Chemical compound 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 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 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 3
- AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229920002873 Polyethylenimine Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 235000010980 cellulose Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- KPSSIOMAKSHJJG-UHFFFAOYSA-N neopentyl alcohol Chemical compound CC(C)(C)CO KPSSIOMAKSHJJG-UHFFFAOYSA-N 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HXVJQEGYAYABRY-UHFFFAOYSA-N 1-ethenyl-4,5-dihydroimidazole Chemical compound C=CN1CCN=C1 HXVJQEGYAYABRY-UHFFFAOYSA-N 0.000 description 1
- HDPLHDGYGLENEI-UHFFFAOYSA-N 2-[1-(oxiran-2-ylmethoxy)propan-2-yloxymethyl]oxirane Chemical compound C1OC1COC(C)COCC1CO1 HDPLHDGYGLENEI-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000012216 bentonite Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- UYMKPFRHYYNDTL-UHFFFAOYSA-N ethenamine Chemical class NC=C UYMKPFRHYYNDTL-UHFFFAOYSA-N 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
- 150000004676 glycans Chemical class 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 125000003010 ionic group Chemical group 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 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
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- BQZUWMDQFGDJQM-UHFFFAOYSA-N n',n',2-trimethylhex-2-enehydrazide Chemical compound CCCC=C(C)C(=O)NN(C)C BQZUWMDQFGDJQM-UHFFFAOYSA-N 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052615 phyllosilicate Inorganic materials 0.000 description 1
- 229940070721 polyacrylate Drugs 0.000 description 1
- 229920000447 polyanionic polymer Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920003009 polyurethane dispersion Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 229940113165 trimethylolpropane Drugs 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical compound OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/203—Solid polymers with solid and/or liquid additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/51—Methods thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4131045A DE4131045C1 (enExample) | 1991-09-18 | 1991-09-18 | |
| DEP4131045.4 | 1991-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2078529A1 true CA2078529A1 (en) | 1993-03-19 |
Family
ID=6440895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002078529A Abandoned CA2078529A1 (en) | 1991-09-18 | 1992-09-17 | Process for modifying hydrophilic polymers |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6300423B1 (enExample) |
| EP (1) | EP0534228B1 (enExample) |
| JP (1) | JP3172595B2 (enExample) |
| AT (1) | ATE127135T1 (enExample) |
| CA (1) | CA2078529A1 (enExample) |
| DE (2) | DE4131045C1 (enExample) |
| DK (1) | DK0534228T3 (enExample) |
| ES (1) | ES2079124T3 (enExample) |
| FI (1) | FI924163L (enExample) |
| GR (1) | GR3017582T3 (enExample) |
Cited By (2)
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|---|---|---|---|---|
| US8664151B2 (en) | 2011-06-01 | 2014-03-04 | The Procter & Gamble Company | Articles comprising reinforced polyurethane coating agent |
| US8999884B2 (en) | 2011-06-01 | 2015-04-07 | The Procter & Gamble Company | Absorbent structures with coated water-absorbing material |
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| CN100471526C (zh) | 2000-03-31 | 2009-03-25 | 施托克赫森有限公司 | 包括在表面上交联的粉末聚合物的吸液吸收层 |
| US7507475B2 (en) * | 2001-03-07 | 2009-03-24 | Evonik Stockhausen Gmbh | Pulverulent polymers crosslinked on the surface |
| GB0213600D0 (en) * | 2002-06-13 | 2002-07-24 | Bp Exploration Operating | Process |
| JP4460851B2 (ja) * | 2003-05-27 | 2010-05-12 | 株式会社日本触媒 | 吸水性樹脂の整粒方法 |
| US7049000B2 (en) | 2003-08-06 | 2006-05-23 | The Procter & Gamble Company | Water-swellable material comprising coated water-swellable polymers |
| CA2534285C (en) | 2003-08-06 | 2010-10-12 | The Procter & Gamble Company | Coated water-swellable material |
| CA2534647A1 (en) | 2003-08-06 | 2005-02-17 | The Procter & Gamble Company | Absorbent article comprising coated water-swellable material |
| EP1518567B1 (en) | 2003-09-25 | 2017-06-28 | The Procter & Gamble Company | Absorbent articles comprising fluid acquisition zones with coated superabsorbent particles |
| EP1732974A1 (en) * | 2004-03-30 | 2006-12-20 | Basf Aktiengesellschaft | Improved method of manufacturing superabsorbent polymers |
| DE102004051242A1 (de) | 2004-10-20 | 2006-05-04 | Basf Ag | Feinteilige wasserabsorbierende Polymerpartikel mit hoher Flüssigkeitstransport- und Absorptionsleistung |
| CN101133100A (zh) * | 2005-02-04 | 2008-02-27 | 巴斯福股份公司 | 水溶胀性材料 |
| WO2006097389A2 (en) * | 2005-02-04 | 2006-09-21 | Basf Aktiengesellschaft | A process for producing a water-absorbing material having a coating of elastic filmforming polymers |
| TWI415637B (zh) * | 2005-02-04 | 2013-11-21 | Basf Ag | 具有彈性成膜聚合物塗層之吸水材料 |
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| US20100140546A1 (en) * | 2005-12-07 | 2010-06-10 | Basf Se | Method for the Continuous Mixing of Polymer Particles |
| JP5132927B2 (ja) * | 2005-12-22 | 2013-01-30 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
| TWI377222B (en) * | 2005-12-22 | 2012-11-21 | Nippon Catalytic Chem Ind | Method for surface crosslinking water-absorbing resin and method for manufacturing water-absorbing resin |
| TWI394789B (zh) | 2005-12-22 | 2013-05-01 | Nippon Catalytic Chem Ind | 吸水性樹脂組成物及其製造方法、吸收性物品 |
| JP2009522387A (ja) * | 2005-12-28 | 2009-06-11 | ビーエーエスエフ ソシエタス・ヨーロピア | 吸水物質の製法 |
| EP1837348B9 (en) | 2006-03-24 | 2020-01-08 | Nippon Shokubai Co.,Ltd. | Water-absorbing resin and method for manufacturing the same |
| EP2010316B1 (en) | 2006-03-27 | 2021-10-13 | Nippon Shokubai Co.,Ltd. | Water absorbing agent and water absorbent core using the agent |
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| US8952116B2 (en) | 2009-09-29 | 2015-02-10 | Nippon Shokubai Co., Ltd. | Particulate water absorbent and process for production thereof |
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| WO2011111855A1 (ja) | 2010-03-12 | 2011-09-15 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
| CN103249745A (zh) | 2010-10-06 | 2013-08-14 | 巴斯夫欧洲公司 | 热表面后交联的吸水性聚合物颗粒的制备方法 |
| EP2630183A1 (en) | 2010-10-21 | 2013-08-28 | Basf Se | Water-absorbing polymeric particles and method for the production thereof |
| WO2012054661A1 (en) | 2010-10-21 | 2012-04-26 | The Procter & Gamble Company | Absorbent structures comprising post-crosslinked water-absorbent particles |
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| US9126186B2 (en) | 2011-11-18 | 2015-09-08 | Basf Se | Process for producing thermally surface postcrosslinked water-absorbing polymer particles |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE793650A (fr) * | 1972-11-06 | 1973-07-03 | Union Carbide Corp | Polymeres particulaires meubles, insolubles et gonflables et procede pour les preparer |
| DE2847424A1 (de) * | 1978-11-02 | 1980-05-22 | Hoechst Ag | Verfahren zum einmischen von zusaetzen in polyolefinpulver |
| DE3039573A1 (de) * | 1980-10-20 | 1982-05-19 | Diethelm Dipl.-Chem. Dr.rer.nat. 7450 Hechingen Bitzer | Pulverfoermige polyacrylamidpraeparationen, die sich leicht in wasser aufloesen |
| JPS60163956A (ja) * | 1984-02-04 | 1985-08-26 | Arakawa Chem Ind Co Ltd | 吸水性樹脂の製法 |
| JPH0710922B2 (ja) * | 1989-04-26 | 1995-02-08 | 日本合成化学工業株式会社 | 高吸水性樹脂の造粒方法 |
| JPH0710923B2 (ja) * | 1989-05-24 | 1995-02-08 | 日本合成化学工業株式会社 | 高吸水性樹脂の造粒法 |
-
1991
- 1991-09-18 DE DE4131045A patent/DE4131045C1/de not_active Expired - Fee Related
-
1992
- 1992-09-09 DK DK92115391.2T patent/DK0534228T3/da active
- 1992-09-09 AT AT92115391T patent/ATE127135T1/de not_active IP Right Cessation
- 1992-09-09 ES ES92115391T patent/ES2079124T3/es not_active Expired - Lifetime
- 1992-09-09 EP EP92115391A patent/EP0534228B1/de not_active Expired - Lifetime
- 1992-09-09 DE DE59203454T patent/DE59203454D1/de not_active Expired - Lifetime
- 1992-09-17 FI FI924163A patent/FI924163L/fi not_active Application Discontinuation
- 1992-09-17 CA CA002078529A patent/CA2078529A1/en not_active Abandoned
- 1992-09-17 JP JP24827692A patent/JP3172595B2/ja not_active Expired - Lifetime
-
1994
- 1994-04-21 US US08/231,985 patent/US6300423B1/en not_active Expired - Lifetime
-
1995
- 1995-09-29 GR GR950402694T patent/GR3017582T3/el unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8664151B2 (en) | 2011-06-01 | 2014-03-04 | The Procter & Gamble Company | Articles comprising reinforced polyurethane coating agent |
| US8999884B2 (en) | 2011-06-01 | 2015-04-07 | The Procter & Gamble Company | Absorbent structures with coated water-absorbing material |
Also Published As
| Publication number | Publication date |
|---|---|
| FI924163A0 (fi) | 1992-09-17 |
| DE4131045C1 (enExample) | 1992-11-19 |
| US6300423B1 (en) | 2001-10-09 |
| DK0534228T3 (da) | 1996-01-08 |
| DE59203454D1 (de) | 1995-10-05 |
| FI924163A7 (fi) | 1993-03-19 |
| ES2079124T3 (es) | 1996-01-01 |
| EP0534228B1 (de) | 1995-08-30 |
| JPH05202199A (ja) | 1993-08-10 |
| ATE127135T1 (de) | 1995-09-15 |
| FI924163L (fi) | 1993-03-19 |
| EP0534228A1 (de) | 1993-03-31 |
| JP3172595B2 (ja) | 2001-06-04 |
| GR3017582T3 (en) | 1995-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |