DE2712043A1 - Verfahren zur erhoehung der absorptionsrate von acrylamidpolymerisaten fuer wasser oder salzloesung und mittel zu seiner durchfuehrung - Google Patents
Verfahren zur erhoehung der absorptionsrate von acrylamidpolymerisaten fuer wasser oder salzloesung und mittel zu seiner durchfuehrungInfo
- Publication number
- DE2712043A1 DE2712043A1 DE19772712043 DE2712043A DE2712043A1 DE 2712043 A1 DE2712043 A1 DE 2712043A1 DE 19772712043 DE19772712043 DE 19772712043 DE 2712043 A DE2712043 A DE 2712043A DE 2712043 A1 DE2712043 A1 DE 2712043A1
- Authority
- DE
- Germany
- Prior art keywords
- acrylamide
- water
- crosslinked
- glyoxal
- polymer
- 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.)
- Ceased
Links
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 title claims description 34
- 238000010521 absorption reaction Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 18
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 9
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims description 118
- 229940015043 glyoxal Drugs 0.000 claims description 59
- 229920002678 cellulose Polymers 0.000 claims description 21
- 150000004676 glycans Chemical class 0.000 claims description 21
- 239000001913 cellulose Substances 0.000 claims description 20
- 229920001282 polysaccharide Polymers 0.000 claims description 20
- 239000005017 polysaccharide Substances 0.000 claims description 20
- 229920001577 copolymer Polymers 0.000 claims description 19
- 229920000578 graft copolymer Polymers 0.000 claims description 11
- 239000000178 monomer Substances 0.000 claims description 11
- 229920002401 polyacrylamide Polymers 0.000 claims description 11
- 239000002002 slurry Substances 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 10
- 229940047670 sodium acrylate Drugs 0.000 claims description 10
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 claims description 9
- 229920006037 cross link polymer Polymers 0.000 claims description 9
- 229920001519 homopolymer Polymers 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 229920002554 vinyl polymer Polymers 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 8
- 229920002472 Starch Polymers 0.000 claims description 7
- -1 methyl bis-acrylamide Chemical compound 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical class CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 239000008107 starch Substances 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
- 150000003839 salts Chemical class 0.000 claims description 2
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims 3
- 229920000554 ionomer Polymers 0.000 claims 1
- 235000010980 cellulose Nutrition 0.000 description 18
- 239000000463 material Substances 0.000 description 17
- 239000002250 absorbent Substances 0.000 description 11
- 230000002745 absorbent Effects 0.000 description 11
- 239000013068 control sample Substances 0.000 description 11
- 239000000523 sample Substances 0.000 description 11
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 9
- 238000004132 cross linking Methods 0.000 description 8
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 229920002785 Croscarmellose sodium Polymers 0.000 description 4
- 229920002201 Oxidized cellulose Polymers 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 229940107304 oxidized cellulose Drugs 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 239000000243 solution Substances 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
- 229920000742 Cotton Polymers 0.000 description 3
- 239000004971 Cross linker Substances 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 3
- 239000011780 sodium chloride Substances 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
- 229920002261 Corn starch Polymers 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229920006322 acrylamide copolymer Polymers 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000008120 corn starch Substances 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 229920006035 cross-linked graft co-polymer Polymers 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000000843 powder 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
- WROUWQQRXUBECT-UHFFFAOYSA-N 2-ethylacrylic acid Chemical compound CCC(=C)C(O)=O WROUWQQRXUBECT-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
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 241000251730 Chondrichthyes Species 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 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
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum 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
- 229940048053 acrylate Drugs 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001408 amides Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 229920003064 carboxyethyl cellulose Polymers 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- XFHJDMUEHUHAJW-UHFFFAOYSA-N n-tert-butylprop-2-enamide Chemical class CC(C)(C)NC(=O)C=C XFHJDMUEHUHAJW-UHFFFAOYSA-N 0.000 description 1
- 150000004804 polysaccharides Polymers 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000012266 salt solution Substances 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
- 230000003612 virological effect Effects 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)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Graft Or Block Polymers (AREA)
Applications Claiming Priority (1)
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2712043A1 true DE2712043A1 (de) | 1977-09-29 |
Family
ID=24690577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772712043 Ceased DE2712043A1 (de) | 1976-03-25 | 1977-03-18 | Verfahren zur erhoehung der absorptionsrate von acrylamidpolymerisaten fuer wasser oder salzloesung und mittel zu seiner durchfuehrung |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4051086A (enEXAMPLES) |
| JP (1) | JPS52117393A (enEXAMPLES) |
| AU (1) | AU510406B2 (enEXAMPLES) |
| BE (1) | BE851907A (enEXAMPLES) |
| BR (1) | BR7701839A (enEXAMPLES) |
| CA (1) | CA1090553A (enEXAMPLES) |
| DE (1) | DE2712043A1 (enEXAMPLES) |
| ES (1) | ES457170A1 (enEXAMPLES) |
| FR (1) | FR2345470A1 (enEXAMPLES) |
| GB (1) | GB1540818A (enEXAMPLES) |
| IT (1) | IT1075747B (enEXAMPLES) |
| NL (1) | NL175626C (enEXAMPLES) |
| SE (1) | SE418088B (enEXAMPLES) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3239476A1 (de) * | 1981-10-26 | 1983-05-05 | Arakawa Kagaku Kogyo K.K., Osaka | Verfahren zur herstellung eines festen, trockenen und wasserabsorbierenden harzes |
| US4705695A (en) * | 1984-06-13 | 1987-11-10 | Rohm Gmbh Chemische Fabrik | Method for coating pharmaceutical formulations |
| DE3900236A1 (de) * | 1988-12-20 | 1990-07-12 | Lentia Gmbh | Verfahren zur kontinuierlichen herstellung von fluessigkeitsabsorbierenden, vernetzten polymeren |
| DE19905947A1 (de) * | 1999-02-12 | 2000-08-17 | Fraunhofer Ges Forschung | Verfahren zur Herstellung von Superabsorbern und mittels eines solchen Verfahrens hergestellte Superabsorber |
Families Citing this family (63)
| 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 |
| DE2966238D1 (en) * | 1978-12-28 | 1983-11-03 | Bard Inc C R | Shaped articles made from crosslinked acrylamide polymer compositions |
| 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 |
| 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 |
| 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 |
| 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 |
| EP0594790B1 (en) * | 1991-07-17 | 1998-03-25 | 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 |
| US6391453B1 (en) | 1992-08-17 | 2002-05-21 | Weyernaeuser Company | Binder treated particles |
| 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 |
| WO1994004352A1 (en) | 1992-08-17 | 1994-03-03 | Weyerhaeuser Company | Particle binders |
| US6340411B1 (en) | 1992-08-17 | 2002-01-22 | Weyerhaeuser Company | Fibrous product containing densifying agent |
| 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 |
| MX213505B (enEXAMPLES) | 1993-02-24 | 2003-04-03 | ||
| 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 |
| DE19805447A1 (de) * | 1998-02-11 | 1999-08-12 | Bayer Ag | Modifizierte Superabsorber auf Basis von Polyacrylnitril-Emulsionen |
| US6265488B1 (en) | 1998-02-24 | 2001-07-24 | Nippon Shokubai Co., Ltd. | Production process for water-absorbing agent |
| US6297319B1 (en) | 1998-11-05 | 2001-10-02 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and production process therefor |
| US6391451B1 (en) | 1999-09-07 | 2002-05-21 | Basf Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
| US6803107B2 (en) * | 1999-09-07 | 2004-10-12 | Basf Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
| US6239230B1 (en) | 1999-09-07 | 2001-05-29 | Bask Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
| US6376618B1 (en) | 1999-09-07 | 2002-04-23 | 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 |
| EP1364992B1 (en) * | 2001-01-26 | 2020-03-25 | Nippon Shokubai Co., Ltd. | Water absorbing agent and method for production thereof, and water absorbing article |
| 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 |
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| US7429632B2 (en) * | 2004-03-30 | 2008-09-30 | Basf Aktiengesellschaft | Method of manufacturing superabsorbent polymers |
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| 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 |
| CN112543789B (zh) | 2018-06-22 | 2022-12-27 | 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1033414B (de) * | 1954-07-22 | 1958-07-03 | Nobel Francaise Soc | Verfahren zur Herstellung von thermoplastischen vernetzten harzartigen Polymerisaten |
| 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 |
| GB872942A (en) * | 1955-02-24 | 1961-07-12 | Pittsburgh Plate Glass Co | Aldehyde condensation products of acrylamide interpolymers |
-
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 AU AU23571/77A patent/AU510406B2/en not_active Expired
- 1977-03-24 ES ES457170A patent/ES457170A1/es not_active Expired
- 1977-03-24 BR BR7701839A patent/BR7701839A/pt unknown
- 1977-03-24 GB GB12445/77A patent/GB1540818A/en not_active Expired
- 1977-03-24 IT IT21644/77A patent/IT1075747B/it active
- 1977-03-25 NL NLAANVRAGE7703225,A patent/NL175626C/xx not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1033414B (de) * | 1954-07-22 | 1958-07-03 | Nobel Francaise Soc | Verfahren zur Herstellung von thermoplastischen vernetzten harzartigen Polymerisaten |
| GB872942A (en) * | 1955-02-24 | 1961-07-12 | Pittsburgh Plate Glass Co | Aldehyde condensation products of acrylamide interpolymers |
| 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3239476A1 (de) * | 1981-10-26 | 1983-05-05 | Arakawa Kagaku Kogyo K.K., Osaka | Verfahren zur herstellung eines festen, trockenen und wasserabsorbierenden harzes |
| DE3239476C3 (de) | 1981-10-26 | 1984-05-20 | Arakawa Chem Ind | Verfahren zur Herstellung eines festen, trockenen und wasserabsorbierenden harzes |
| US4705695A (en) * | 1984-06-13 | 1987-11-10 | Rohm Gmbh Chemische Fabrik | Method for coating pharmaceutical formulations |
| DE3900236A1 (de) * | 1988-12-20 | 1990-07-12 | Lentia Gmbh | Verfahren zur kontinuierlichen herstellung von fluessigkeitsabsorbierenden, vernetzten polymeren |
| DE19905947A1 (de) * | 1999-02-12 | 2000-08-17 | Fraunhofer Ges Forschung | Verfahren zur Herstellung von Superabsorbern und mittels eines solchen Verfahrens hergestellte Superabsorber |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| SE418088B (sv) | 1981-05-04 |
| ES457170A1 (es) | 1978-11-01 |
| FR2345470A1 (fr) | 1977-10-21 |
| JPS52117393A (en) | 1977-10-01 |
| IT1075747B (it) | 1985-04-22 |
| FR2345470B1 (enEXAMPLES) | 1982-01-22 |
| CA1090553A (en) | 1980-12-02 |
| NL175626C (nl) | 1984-12-03 |
| JPS6136974B2 (enEXAMPLES) | 1986-08-21 |
| NL7703225A (nl) | 1977-09-27 |
| SE7703112L (sv) | 1977-09-26 |
| AU510406B2 (en) | 1980-06-26 |
| BR7701839A (pt) | 1977-11-16 |
| AU2357177A (en) | 1978-09-28 |
| NL175626B (nl) | 1984-07-02 |
| GB1540818A (en) | 1979-02-14 |
| US4051086A (en) | 1977-09-27 |
| BE851907A (fr) | 1977-08-29 |
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