CA1090553A - Method of improving the absorption rate of absorbent polymers - Google Patents
Method of improving the absorption rate of absorbent polymersInfo
- Publication number
- CA1090553A CA1090553A CA273,430A CA273430A CA1090553A CA 1090553 A CA1090553 A CA 1090553A CA 273430 A CA273430 A CA 273430A CA 1090553 A CA1090553 A CA 1090553A
- Authority
- CA
- Canada
- Prior art keywords
- acrylamide
- water
- crosslinked
- polymer
- copolymer
- 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 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 18
- 239000002250 absorbent Substances 0.000 title abstract description 16
- 230000002745 absorbent Effects 0.000 title description 15
- 238000010521 absorption reaction Methods 0.000 title description 11
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims abstract description 62
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229940015043 glyoxal Drugs 0.000 claims abstract description 31
- 229920001577 copolymer Polymers 0.000 claims abstract description 25
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920006037 cross link polymer Polymers 0.000 claims abstract description 12
- 229940047670 sodium acrylate Drugs 0.000 claims abstract description 12
- 229920000578 graft copolymer Polymers 0.000 claims abstract description 11
- SONHXMAHPHADTF-UHFFFAOYSA-M sodium;2-methylprop-2-enoate Chemical compound [Na+].CC(=C)C([O-])=O SONHXMAHPHADTF-UHFFFAOYSA-M 0.000 claims abstract description 4
- 229940117913 acrylamide Drugs 0.000 claims description 32
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 19
- 150000004676 glycans Chemical class 0.000 claims description 19
- 239000005017 polysaccharide Substances 0.000 claims description 18
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 17
- 239000000178 monomer Substances 0.000 claims description 16
- 229920001282 polysaccharide Polymers 0.000 claims description 16
- 229920001519 homopolymer Polymers 0.000 claims description 14
- 229920002401 polyacrylamide Polymers 0.000 claims description 14
- 229920002678 cellulose Polymers 0.000 claims description 13
- 239000001913 cellulose Substances 0.000 claims description 12
- 229920002554 vinyl polymer Polymers 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 9
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical class CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 4
- 229920002907 Guar gum Polymers 0.000 claims description 3
- 239000000665 guar gum Substances 0.000 claims description 3
- 235000010417 guar gum Nutrition 0.000 claims description 3
- 229960002154 guar gum Drugs 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 15
- 230000009102 absorption Effects 0.000 description 10
- 235000010980 cellulose Nutrition 0.000 description 9
- -1 alkali metal salts Chemical class 0.000 description 8
- 238000004132 cross linking Methods 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 5
- 239000004971 Cross linker Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 4
- 150000004804 polysaccharides Polymers 0.000 description 4
- 229920001059 synthetic polymer Polymers 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- 229920002785 Croscarmellose sodium Polymers 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical group [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 2
- 229920002201 Oxidized cellulose Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000001408 amides Chemical group 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011953 free-radical catalyst Substances 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 2
- 229940063559 methacrylic acid Drugs 0.000 description 2
- 229940107304 oxidized cellulose Drugs 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SXLIFQSDMYZOBA-UHFFFAOYSA-N 2,5-bis(ethenyl)pyridine Chemical compound C=CC1=CC=C(C=C)N=C1 SXLIFQSDMYZOBA-UHFFFAOYSA-N 0.000 description 1
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 description 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical class OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 1
- TURITJIWSQEMDB-UHFFFAOYSA-N 2-methyl-n-[(2-methylprop-2-enoylamino)methyl]prop-2-enamide Chemical compound CC(=C)C(=O)NCNC(=O)C(C)=C TURITJIWSQEMDB-UHFFFAOYSA-N 0.000 description 1
- HIWGDJVTAWTBNH-UHFFFAOYSA-N 2-methylidene-5-sulfopentanoic acid Chemical class OC(=O)C(=C)CCCS(O)(=O)=O HIWGDJVTAWTBNH-UHFFFAOYSA-N 0.000 description 1
- XKIGDOOFWYHZDA-UHFFFAOYSA-M 5-ethenyl-1,2-dimethylpyridin-1-ium;methyl sulfate Chemical class COS([O-])(=O)=O.CC1=CC=C(C=C)C=[N+]1C XKIGDOOFWYHZDA-UHFFFAOYSA-M 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical group C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 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
- 230000004888 barrier function Effects 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 229920006035 cross-linked graft co-polymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- IHBKAGRPNRKYAO-UHFFFAOYSA-M methyl sulfate;trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium Chemical class COS([O-])(=O)=O.CC(=C)C(=O)OCC[N+](C)(C)C IHBKAGRPNRKYAO-UHFFFAOYSA-M 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 229940100445 wheat starch Drugs 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
- A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- 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
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- 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
- C08F8/28—Condensation with aldehydes or ketones
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S47/00—Plant husbandry
- Y10S47/10—Physical and chemical treatment of agricultural soils
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Public Health (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Graft Or Block Polymers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/670,484 US4051086A (en) | 1976-03-25 | 1976-03-25 | Absorption rate of absorbent polymers by treating with glyoxal |
| US670,484 | 1976-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1090553A true CA1090553A (en) | 1980-12-02 |
Family
ID=24690577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA273,430A Expired CA1090553A (en) | 1976-03-25 | 1977-03-08 | Method of improving the absorption rate of absorbent polymers |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4051086A (en, 2012) |
| JP (1) | JPS52117393A (en, 2012) |
| AU (1) | AU510406B2 (en, 2012) |
| BE (1) | BE851907A (en, 2012) |
| BR (1) | BR7701839A (en, 2012) |
| CA (1) | CA1090553A (en, 2012) |
| DE (1) | DE2712043A1 (en, 2012) |
| ES (1) | ES457170A1 (en, 2012) |
| FR (1) | FR2345470A1 (en, 2012) |
| GB (1) | GB1540818A (en, 2012) |
| IT (1) | IT1075747B (en, 2012) |
| NL (1) | NL175626C (en, 2012) |
| SE (1) | SE418088B (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6288158B1 (en) | 1998-02-11 | 2001-09-11 | Bayer Aktiengesellschaft | Modified superabsorbent polymer based on polyacrylonitrile emulsions |
Families Citing this family (66)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2706135C2 (de) * | 1977-02-14 | 1982-10-28 | Chemische Fabrik Stockhausen GmbH, 4150 Krefeld | Verdickungsmittel für ausgeschiedenen Darminhalt und Harn |
| US4242242A (en) * | 1977-06-10 | 1980-12-30 | Akzona Incorporated | Highly absorbent fibers of rayon with sulfonic acid polymer incorporated |
| US4134862A (en) * | 1977-06-14 | 1979-01-16 | Construction Aids Technology, Inc. | Method for stabilizing soil and for providing a backfill for grounding members |
| US4116899A (en) * | 1977-08-15 | 1978-09-26 | The United States Of America As Represented By The Secretary Of Agriculture | Increasing absorbency of polymeric compositions by curing |
| NZ188633A (en) * | 1977-10-18 | 1980-10-24 | Unilever Ltd | Absorbent material surface-treated with polyether |
| US4235237A (en) * | 1978-05-08 | 1980-11-25 | Johnson & Johnson | Absorbent open network structure |
| JPS55501059A (en, 2012) * | 1978-12-28 | 1980-12-04 | ||
| DE2900110A1 (de) * | 1979-01-03 | 1980-07-10 | Wolff Walsrode Ag | Loesliche makromolekularsubstanzen mit hohem dispergier-, suspendier- und fluessigkeitsrueckhaltevermoegen, verfahren zu ihrer herstellung und verwendung |
| US4204983A (en) * | 1979-05-07 | 1980-05-27 | Illinois Cereal Mills | Absorbent polymeric compositions derived from amylaceous material-formaldehyde substrates |
| JPS5844018B2 (ja) * | 1979-06-27 | 1983-09-30 | 三洋化成工業株式会社 | 吸水剤 |
| US4323487A (en) * | 1979-10-22 | 1982-04-06 | Henkel Corporation | Absorbent starch graft polymer and method of its preparation |
| JPS5691838A (en) * | 1979-12-27 | 1981-07-25 | Nippon Kayaku Co Ltd | Water absorbing material |
| JPS5744627A (en) * | 1980-08-29 | 1982-03-13 | Seitetsu Kagaku Co Ltd | Improvement of water absorption of water-absorbing polymer of acrylic acid salt |
| DE3239476C2 (de) * | 1981-10-26 | 1984-06-20 | Arakawa Kagaku Kogyo K.K., Osaka | Verfahren zur Herstellung eines festen, trockenen und wasserabsorbierenden harzes |
| JPS6018690B2 (ja) * | 1981-12-30 | 1985-05-11 | 住友精化株式会社 | 吸水性樹脂の吸水性改良方法 |
| JPS58180233A (ja) * | 1982-04-19 | 1983-10-21 | Nippon Shokubai Kagaku Kogyo Co Ltd | 吸収剤 |
| JPS59189103A (ja) * | 1983-04-11 | 1984-10-26 | Nippon Shokubai Kagaku Kogyo Co Ltd | 吸水剤 |
| DE3581428D1 (de) * | 1984-06-13 | 1991-02-28 | Roehm Gmbh | Verfahren zum ueberziehen von arzneiformen. |
| US4689118A (en) * | 1985-07-22 | 1987-08-25 | Personal Products Company | Cross-linked pore containing microfibrillated cellulose prepared by freezing and solvent exchange |
| FR2590761B1 (fr) * | 1985-11-29 | 1989-01-06 | Beghin Say Sa | Support de culture hors-sol comportant des particules superabsorbantes et utilisation de ce support pour la culture hors-sol |
| US5035886A (en) * | 1987-10-19 | 1991-07-30 | Ppg Industries, Inc. | Active agent delivery device |
| US5037654A (en) * | 1988-04-28 | 1991-08-06 | Safer, Inc. | Supersorbent material as pesticide potentiator |
| AT394047B (de) * | 1988-12-20 | 1992-01-27 | Chemie Linz Gmbh | Verfahren zur kontinuierlichen herstellung von fluessigkeistsabsorbierenden, vernetzten polymeren |
| US5124197A (en) * | 1989-07-28 | 1992-06-23 | Kimberly-Clark Corporation | Inflated cellulose fiber web possessing improved vertical wicking properties |
| US5241009A (en) * | 1990-05-07 | 1993-08-31 | Kimberly-Clark Corporation | Polymeric composition containing carboxy nueutralized with lithium or potassium |
| IT1250052B (it) * | 1991-07-04 | 1995-03-30 | Paola Patrizia Bazzardi | Composizione ecologicamente accettabile per l'essicazione di residui solidi, semi-solidi e liquidi |
| AU687724B2 (en) * | 1991-07-17 | 1998-03-05 | National Diagnostics | Polyacrylamide gel matrix |
| US5185024A (en) * | 1991-10-24 | 1993-02-09 | Aqua Source Inc. | Application of agricultural polyammonium acrylate or polyacrylamide hydrogels |
| CA2072918A1 (en) * | 1992-02-14 | 1993-08-15 | Jian Qin | Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
| US5303663A (en) * | 1992-05-08 | 1994-04-19 | Soil Injection Layering Systems, Inc. | Subsurface particle injection methods |
| US6340411B1 (en) | 1992-08-17 | 2002-01-22 | Weyerhaeuser Company | Fibrous product containing densifying agent |
| ES2181693T5 (es) | 1992-08-17 | 2006-05-16 | Weyerhaeuser Company | Metodo de union de particulas de fibras. |
| US7144474B1 (en) | 1992-08-17 | 2006-12-05 | Weyerhaeuser Co. | Method of binding particles to binder treated fibers |
| US5998032A (en) | 1992-08-17 | 1999-12-07 | Weyerhaeuser Company | Method and compositions for enhancing blood absorbence by superabsorbent materials |
| US6391453B1 (en) | 1992-08-17 | 2002-05-21 | Weyernaeuser Company | Binder treated particles |
| 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 |
| CA2114815C (en) | 1993-02-24 | 2005-06-14 | Mark Kevin Melius | Absorbent composite |
| US5459181A (en) * | 1993-07-23 | 1995-10-17 | Weyerhaeuser Company | Hydraulic binder composition and its uses |
| DE4412153C2 (de) * | 1994-04-11 | 1999-08-19 | Stockhausen Chem Fab Gmbh | Absorptionsmittel für Säuren und Laugen |
| DE4426008A1 (de) | 1994-07-22 | 1996-01-25 | Cassella Ag | Hydrophile, hochquellfähige Hydrogele |
| US5498705A (en) * | 1995-02-22 | 1996-03-12 | Kimberly-Clark Corporation | Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
| DE19717395C2 (de) * | 1997-04-24 | 2000-01-20 | Stockhausen Chem Fab Gmbh | Druckfähige Quellpaste und deren Verwendung |
| US6228930B1 (en) * | 1997-06-18 | 2001-05-08 | Nippon Shokubai Co., Ltd. | Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule |
| US6265488B1 (en) | 1998-02-24 | 2001-07-24 | Nippon Shokubai Co., Ltd. | Production process for water-absorbing agent |
| EP0999238B1 (en) | 1998-11-05 | 2008-07-09 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and production process therefor |
| DE19905947B4 (de) * | 1999-02-12 | 2004-05-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung von Superabsorbern und mittels eines solchen Verfahrens hergestellte Superabsorber und deren Verwendung |
| US6803107B2 (en) * | 1999-09-07 | 2004-10-12 | Basf Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
| US6376618B1 (en) | 1999-09-07 | 2002-04-23 | Basf Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
| US6239230B1 (en) | 1999-09-07 | 2001-05-29 | Bask Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
| US6391451B1 (en) | 1999-09-07 | 2002-05-21 | Basf Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
| US6809158B2 (en) | 2000-10-20 | 2004-10-26 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and process for producing the same |
| WO2002059214A1 (fr) * | 2001-01-26 | 2002-08-01 | Nippon Shokubai Co., Ltd. | Agent d'absorption d'eau et procede de production correspondant, et article absorbant l'eau |
| DE10125599A1 (de) | 2001-05-25 | 2002-11-28 | Stockhausen Chem Fab Gmbh | Superabsorber, Verfahren zu ihrer Herstellung und ihre Verwendung |
| PL204244B1 (pl) * | 2001-06-08 | 2009-12-31 | Nippon Catalytic Chem Ind | Środek absorbujący wodę i sposób jego wytwarzania, oraz materiał higieniczny |
| US6727345B2 (en) | 2001-07-03 | 2004-04-27 | Nippon Shokubai Co., Ltd. | Continuous production process for water-absorbent resin powder and powder surface detector used therefor |
| AU2003254691A1 (en) * | 2002-09-25 | 2004-04-19 | Polykem Sarl | Liquid absorbing polymer, a process and a vessel for its production |
| US7429632B2 (en) * | 2004-03-30 | 2008-09-30 | Basf Aktiengesellschaft | Method of manufacturing superabsorbent polymers |
| CA2535801C (en) * | 2006-02-09 | 2012-11-27 | Canadian Forest Products Ltd. | A blended mulch product, an erosion control medium and methods of making same |
| US8555544B2 (en) * | 2006-02-10 | 2013-10-15 | Profile Products L.L.C. | Visual attenuation compositions and methods of using the same |
| CA2536538A1 (en) * | 2006-02-14 | 2007-08-14 | Canadian Forest Products Ltd. | Blended mulch products for spray application to a surface |
| US8256158B2 (en) * | 2007-01-04 | 2012-09-04 | Profile Products Llc | Visual attenuation compositions and methods of using the same |
| US20110136935A1 (en) * | 2007-08-30 | 2011-06-09 | National University Of Singapore | Bone and/or dental cement composition and uses thereof |
| UA67354U (uk) | 2011-11-24 | 2012-02-10 | Людмила Дмитрівна Желдак | Водорозчинний лінійний гетероланцюговий диполімер |
| CN107057251B (zh) * | 2017-05-26 | 2019-05-28 | 南京林业大学 | 一种聚丙烯酸钠/纳米纤维素晶体复合高吸水性树脂及其制备方法 |
| WO2019241986A1 (zh) | 2018-06-22 | 2019-12-26 | 山东昊月新材料股份有限公司 | 高吸收性树脂及其制备方法 |
| US10501891B1 (en) * | 2019-01-25 | 2019-12-10 | Rayonier Performance Fibers, L.L.C. | Crosslinking cellulose with Glyoxal to improve absorption properties |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1117408A (fr) * | 1954-07-22 | 1956-05-23 | Nobel Francaise Soc | Copolymères contenant de l'acrylamide |
| NL266400A (en, 2012) * | 1955-02-24 | |||
| US2940943A (en) * | 1957-02-25 | 1960-06-14 | Pittsburgh Plate Glass Co | Resinous coating composition comprising nitrocellulose and aldehyde modified amide polymer and metallic surface coated therewith |
-
1976
- 1976-03-25 US US05/670,484 patent/US4051086A/en not_active Expired - Lifetime
-
1977
- 1977-02-23 FR FR7705202A patent/FR2345470A1/fr active Granted
- 1977-02-28 BE BE175330A patent/BE851907A/xx not_active IP Right Cessation
- 1977-03-08 CA CA273,430A patent/CA1090553A/en not_active Expired
- 1977-03-18 SE SE7703112A patent/SE418088B/xx unknown
- 1977-03-18 JP JP3024377A patent/JPS52117393A/ja active Granted
- 1977-03-18 DE DE19772712043 patent/DE2712043A1/de not_active Ceased
- 1977-03-24 GB GB12445/77A patent/GB1540818A/en not_active Expired
- 1977-03-24 BR BR7701839A patent/BR7701839A/pt unknown
- 1977-03-24 AU AU23571/77A patent/AU510406B2/en not_active Expired
- 1977-03-24 IT IT21644/77A patent/IT1075747B/it active
- 1977-03-24 ES ES457170A patent/ES457170A1/es not_active Expired
- 1977-03-25 NL NLAANVRAGE7703225,A patent/NL175626C/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6288158B1 (en) | 1998-02-11 | 2001-09-11 | Bayer Aktiengesellschaft | Modified superabsorbent polymer based on polyacrylonitrile emulsions |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1540818A (en) | 1979-02-14 |
| FR2345470B1 (en, 2012) | 1982-01-22 |
| US4051086A (en) | 1977-09-27 |
| NL7703225A (nl) | 1977-09-27 |
| JPS52117393A (en) | 1977-10-01 |
| IT1075747B (it) | 1985-04-22 |
| NL175626C (nl) | 1984-12-03 |
| NL175626B (nl) | 1984-07-02 |
| AU2357177A (en) | 1978-09-28 |
| AU510406B2 (en) | 1980-06-26 |
| JPS6136974B2 (en, 2012) | 1986-08-21 |
| BR7701839A (pt) | 1977-11-16 |
| DE2712043A1 (de) | 1977-09-29 |
| ES457170A1 (es) | 1978-11-01 |
| FR2345470A1 (fr) | 1977-10-21 |
| SE7703112L (sv) | 1977-09-26 |
| BE851907A (fr) | 1977-08-29 |
| SE418088B (sv) | 1981-05-04 |
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