CH625136A5 - - Google Patents
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- Publication number
- CH625136A5 CH625136A5 CH1490777A CH1490777A CH625136A5 CH 625136 A5 CH625136 A5 CH 625136A5 CH 1490777 A CH1490777 A CH 1490777A CH 1490777 A CH1490777 A CH 1490777A CH 625136 A5 CH625136 A5 CH 625136A5
- Authority
- CH
- Switzerland
- Prior art keywords
- water
- monomer
- starch
- polymer
- saponification
- Prior art date
Links
- 239000000203 mixture Substances 0.000 claims description 62
- 229920002472 Starch Polymers 0.000 claims description 55
- 239000008107 starch Substances 0.000 claims description 55
- 235000019698 starch Nutrition 0.000 claims description 55
- 229920000642 polymer Polymers 0.000 claims description 51
- 229920000578 graft copolymer Polymers 0.000 claims description 45
- 230000002745 absorbent Effects 0.000 claims description 42
- 239000002250 absorbent Substances 0.000 claims description 42
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 35
- 239000000178 monomer Substances 0.000 claims description 22
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 12
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical group COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 10
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 7
- 238000010559 graft polymerization reaction Methods 0.000 claims description 6
- -1 acrylamido Chemical group 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 claims description 3
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical group OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 2
- 150000003857 carboxamides Chemical class 0.000 claims description 2
- 150000007942 carboxylates Chemical group 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 83
- 229910001868 water Inorganic materials 0.000 description 70
- 238000007127 saponification reaction Methods 0.000 description 47
- 238000010521 absorption reaction Methods 0.000 description 29
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
- 229920002239 polyacrylonitrile Polymers 0.000 description 20
- 210000002700 urine Anatomy 0.000 description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 15
- 239000000047 product Substances 0.000 description 15
- 239000010408 film Substances 0.000 description 14
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 12
- XMPZTFVPEKAKFH-UHFFFAOYSA-P ceric ammonium nitrate Chemical compound [NH4+].[NH4+].[Ce+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O XMPZTFVPEKAKFH-UHFFFAOYSA-P 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 12
- 229920001577 copolymer Polymers 0.000 description 11
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000012153 distilled water Substances 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910017604 nitric acid Inorganic materials 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000499 gel Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 229920002261 Corn starch Polymers 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 240000008042 Zea mays Species 0.000 description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 235000005822 corn Nutrition 0.000 description 3
- 239000008120 corn starch Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229910003202 NH4 Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 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
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000002036 drum drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002825 nitriles Chemical group 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 235000020183 skimmed milk Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 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
- 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
- C08F8/12—Hydrolysis
-
- 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
- Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S524/916—Hydrogel compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Graft Or Block Polymers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/748,032 US4134863A (en) | 1976-12-06 | 1976-12-06 | Highly absorbent graft copolymers of polyhydroxy polymers, acrylonitrile, and acrylic comonomers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH625136A5 true CH625136A5 (d) | 1981-09-15 |
Family
ID=25007691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1490777A CH625136A5 (d) | 1976-12-06 | 1977-12-06 |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4134863A (d) |
| JP (1) | JPS5377296A (d) |
| AU (1) | AU511614B2 (d) |
| BE (1) | BE861400A (d) |
| BR (1) | BR7708027A (d) |
| CA (1) | CA1109052A (d) |
| CH (1) | CH625136A5 (d) |
| DE (1) | DE2753214A1 (d) |
| ES (1) | ES464767A1 (d) |
| FR (1) | FR2372849A1 (d) |
| GB (1) | GB1569481A (d) |
| IL (1) | IL53538A (d) |
| IN (1) | IN147644B (d) |
| IT (1) | IT1112105B (d) |
| NL (1) | NL7713471A (d) |
| PH (1) | PH13721A (d) |
| SE (1) | SE432104B (d) |
| ZA (1) | ZA776986B (d) |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4194998A (en) * | 1976-12-06 | 1980-03-25 | The United States Of America As Represented By The Secretary Of Agriculture | Highly absorbent polyhydroxy polymer graft copolymers without saponification |
| US4242242A (en) * | 1977-06-10 | 1980-12-30 | Akzona Incorporated | Highly absorbent fibers of rayon with sulfonic acid polymer incorporated |
| US4224156A (en) * | 1978-11-09 | 1980-09-23 | Nalco Chemical Company | Weir skimmer |
| US4221684A (en) * | 1978-12-18 | 1980-09-09 | Illinois Cereal Mills | Absorbent polymeric compositions derived from corn flour and starch |
| US4300561A (en) * | 1979-10-22 | 1981-11-17 | Kimberly-Clark Corporation | Easily removable tampon |
| US4323487A (en) * | 1979-10-22 | 1982-04-06 | Henkel Corporation | Absorbent starch graft polymer and method of its preparation |
| US4377167A (en) * | 1979-10-22 | 1983-03-22 | Kimberly-Clark Corporation | Easily removable tampon |
| US4454055A (en) * | 1980-08-25 | 1984-06-12 | National Starch And Chemical Corporation | Absorbent composition of matter, process for preparing same and article prepared therefrom |
| US4410571A (en) * | 1980-08-25 | 1983-10-18 | Johnson & Johnson | Absorbent products, process and compositions for immobilization of particulate absorbents |
| GR75732B (d) * | 1980-08-25 | 1984-08-02 | Johnson & Johnson | |
| US4374647A (en) * | 1981-06-25 | 1983-02-22 | Chevron Research Company | Oxygenated fuel dehydration |
| US5720832A (en) * | 1981-11-24 | 1998-02-24 | Kimberly-Clark Ltd. | Method of making a meltblown nonwoven web containing absorbent particles |
| US4410679A (en) * | 1981-12-28 | 1983-10-18 | Ford Motor Company | Coating composition comprising chain-extendable crosslinkable polyol and diblocked diisocyanate diurethane oligomer |
| US4623560A (en) * | 1982-09-02 | 1986-11-18 | Central Illinois Manufacturing Co. | Method of making water removing filter media |
| US4604205A (en) * | 1982-09-02 | 1986-08-05 | Central Illinois Manufacturing Company | Water removing filter media |
| BR8405354A (pt) * | 1983-02-14 | 1985-02-12 | Amf Inc | Suportes polissacaridicos modificados |
| US4663163A (en) * | 1983-02-14 | 1987-05-05 | Hou Kenneth C | Modified polysaccharide supports |
| GB8415188D0 (en) * | 1984-06-14 | 1984-07-18 | Geistlich Soehne Ag | Absorbent polymer material |
| US4679571A (en) * | 1984-08-31 | 1987-07-14 | Becton, Dickinson And Company | Blood sample needle assembly with vein indicator |
| JPS61231548A (ja) * | 1985-04-05 | 1986-10-15 | Konishiroku Photo Ind Co Ltd | 写真廃液の処理方法及び写真自動現像機 |
| AU590515B2 (en) * | 1985-04-15 | 1989-11-09 | Dow Chemical Company, The | A process for absorbing water having a ph less than four |
| US4511477A (en) * | 1985-04-15 | 1985-04-16 | The Dow Chemical Company | Process of using water-absorbent agents for low pH applications |
| DE3613207A1 (de) * | 1986-04-18 | 1987-10-22 | Akzo Gmbh | Mit wasser quellbare zusammensetzung, ihre herstellung und verwendung |
| US4983390A (en) * | 1987-04-01 | 1991-01-08 | Lee County Mosquito Control District | Terrestrial delivery compositions and methods for controlling insect and habitat-associated pest populations in terrestrial environments |
| US4818534A (en) * | 1987-04-01 | 1989-04-04 | Lee County Mosquito Control District | Insecticidal delivery compositions and methods for controlling a population of insects in an aquatic environment |
| US4983389A (en) * | 1987-04-01 | 1991-01-08 | Lee County Mosquito Control District | Herbicidal delivery compositions and methods for controlling plant populations in aquatic and wetland environments |
| US4985251A (en) * | 1987-04-01 | 1991-01-15 | Lee County Mosquito Control District | Flowable insecticidal delivery compositions and methods for controlling insect populations in an aquatic environment |
| US4845035A (en) * | 1987-10-06 | 1989-07-04 | The United States Of America As Represented By The Secretary Of Agriculture | Enzyme immobilization with a hydrolyzed polysaccharide graft copolymer |
| US5258429A (en) * | 1989-09-05 | 1993-11-02 | Wolff Walsrode Ag | Cellulose ether compositions for aqueous media |
| US5505718A (en) * | 1990-04-02 | 1996-04-09 | The Procter & Gamble Company | Absorbent structures containing specific particle size distributions of superabsorbent hydrogel-forming materials |
| US5422169A (en) * | 1991-04-12 | 1995-06-06 | The Procter & Gamble Company | Absorbent structures containing specific particle size distributions of superabsorbent hydrogel-forming materials in relatively high concentrations |
| US5419956A (en) * | 1991-04-12 | 1995-05-30 | The Procter & Gamble Company | Absorbent structures containing specific particle size distributions of superabsorbent hydrogel-forming materials mixed with inorganic powders |
| US5274018A (en) * | 1991-05-24 | 1993-12-28 | Massachusetts Institute Of Technology | Salt tolerant super absorbents |
| JP3382632B2 (ja) * | 1992-03-13 | 2003-03-04 | オリンパス光学工業株式会社 | 生体関連物質の測定方法およびそれに用いる反応容器 |
| US5677374A (en) * | 1992-04-16 | 1997-10-14 | Raisio Chemicals Oy | Thickening agent comprising aqueous dispersion of graft-copolymerized starch |
| FI95917C (fi) * | 1992-04-16 | 1996-04-10 | Raision Tehtaat Oy Ab | Paksuntava dispersio ja sen käyttö |
| US5258123A (en) * | 1992-07-02 | 1993-11-02 | Exxon Production Research Company | Process for dewatering an aqueous solution containing solids using water-absorbent substances |
| US5679364A (en) * | 1995-06-07 | 1997-10-21 | Lee County Mosquito Control District | Compositions and methods for reducing the amount of contaminants in aquatic and terrestrial environments |
| US5885602A (en) * | 1997-05-27 | 1999-03-23 | Lee County Mosquito Control District | Process for the persistence control of chemicals released into the environment |
| US5916122A (en) * | 1997-08-26 | 1999-06-29 | Na Industries, Inc. | Solidification of aqueous waste |
| US20040120990A1 (en) * | 2002-08-12 | 2004-06-24 | Cushman John C. | Absorbent proteins and methods for using same |
| US6800712B2 (en) * | 2002-10-07 | 2004-10-05 | Steven William Doane | Starch graft copolymers and method of making and using starch graft copolymers for agriculture |
| CN100528951C (zh) * | 2003-12-15 | 2009-08-19 | 吸收剂科技有限公司 | 一种含有具生物活性的促生长添加剂的超吸收聚合物产品的制造和使用方法 |
| US7425595B2 (en) * | 2003-12-15 | 2008-09-16 | Absorbent Technologies, Inc. | Superabsorbent polymer products including a beneficial additive and methods of making and application |
| EP1781709A4 (en) * | 2004-08-27 | 2011-07-06 | Absorbent Technologies Inc | SUPER ABSORBING POLYMERS IN AGRICULTURAL APPLICATIONS |
| US20070163172A1 (en) * | 2006-01-17 | 2007-07-19 | Savich Milan H | Biodegradable mat containing superabsorbent polymers |
| US7607259B2 (en) | 2006-01-17 | 2009-10-27 | Absorbent Technologies, Inc. | Superabsorbent polymer root dip |
| US20070167330A1 (en) * | 2006-01-17 | 2007-07-19 | Savich Milan H | Superabsorbent polymer applicator |
| US20070167327A1 (en) * | 2006-01-17 | 2007-07-19 | Savich Milan H | Biodegradable bag containing superabsorbent polymers |
| CA2687930C (en) * | 2007-05-25 | 2016-05-17 | Merck Patent Gesellschaft Mit Beschraenkter Haftung | Graft copolymers for cation exchange chromatography |
| US9596801B2 (en) | 2010-10-25 | 2017-03-21 | Vjs Investments Limited | Superabsorbent polymer seed coatings and associated methods |
| WO2013106072A1 (en) | 2012-01-10 | 2013-07-18 | Sorbent Therapeutics, Inc. | Compositions comprising crosslinked cation-binding polymers and uses thereof |
| WO2013106086A1 (en) | 2012-01-10 | 2013-07-18 | Sorbent Therapeutics, Inc. | Compositions comprising crosslinked cation-binding polymers and uses thereof |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3455853A (en) * | 1964-03-09 | 1969-07-15 | Union Oil Co | Method for preparing polysaccharide graft copolymers |
| US3457198A (en) * | 1967-03-15 | 1969-07-22 | Itt Rayonier Inc | Graft polymerization of acrylic acidester mixtures to cellulose |
| JPS5247044B1 (d) * | 1970-12-26 | 1977-11-30 | ||
| US3770673A (en) * | 1971-11-04 | 1973-11-06 | R Slagel | Chitosan graft copolymer for making paper products of improved dry strength |
| US3826767A (en) * | 1972-01-26 | 1974-07-30 | Calgon Corp | Anionic dextran graft copolymers |
| DE2309368C3 (de) * | 1973-02-24 | 1984-09-27 | Bayer Ag, 5090 Leverkusen | Kontinuierliches Verfahren zur Herstellung von Copolymerisat-Dispersionen |
| US3889678A (en) * | 1973-12-07 | 1975-06-17 | Personal Products Co | Cellulose graft copolymer containing non-ionic and ionic polymer moieties as absorbent media in absorbent dressings |
| US3997484A (en) * | 1974-04-03 | 1976-12-14 | The United States Of America As Represented By The Secretary Of Agriculture | Highly-absorbent starch-containing polymeric compositions |
| CA1035483A (en) * | 1974-06-26 | 1978-07-25 | Pierre Lepoutre | Process for drying polymer-modified cellulose fibres |
| JPS51125468A (en) * | 1975-03-27 | 1976-11-01 | Sanyo Chem Ind Ltd | Method of preparing resins of high water absorbency |
| US3984361A (en) * | 1975-05-30 | 1976-10-05 | The United States Of America As Represented By The Secretary Of Agriculture | Preparation of graft polymer latexes by sonification |
| US4028290A (en) * | 1975-10-23 | 1977-06-07 | Hercules Incorporated | Highly absorbent modified polysaccharides |
| US4072640A (en) * | 1976-01-29 | 1978-02-07 | Instituto Venezolano De Investigaciones Cientificas | Copolymerization of vinyl monomers with cellulose and starch in copper ammonium solutions |
-
1976
- 1976-12-06 US US05/748,032 patent/US4134863A/en not_active Expired - Lifetime
-
1977
- 1977-11-23 ZA ZA00776986A patent/ZA776986B/xx unknown
- 1977-11-23 GB GB48715/77A patent/GB1569481A/en not_active Expired
- 1977-11-25 IT IT51952/77A patent/IT1112105B/it active
- 1977-11-25 PH PH20487A patent/PH13721A/en unknown
- 1977-11-29 DE DE19772753214 patent/DE2753214A1/de not_active Withdrawn
- 1977-12-01 BE BE183092A patent/BE861400A/xx not_active IP Right Cessation
- 1977-12-01 SE SE7713665A patent/SE432104B/sv unknown
- 1977-12-02 BR BR7708027A patent/BR7708027A/pt unknown
- 1977-12-05 CA CA292,338A patent/CA1109052A/en not_active Expired
- 1977-12-05 ES ES464767A patent/ES464767A1/es not_active Expired
- 1977-12-05 AU AU31237/77A patent/AU511614B2/en not_active Expired
- 1977-12-05 JP JP14598177A patent/JPS5377296A/ja active Granted
- 1977-12-05 IL IL53538A patent/IL53538A/xx unknown
- 1977-12-06 NL NL7713471A patent/NL7713471A/xx unknown
- 1977-12-06 CH CH1490777A patent/CH625136A5/fr not_active IP Right Cessation
- 1977-12-06 FR FR7736755A patent/FR2372849A1/fr active Granted
- 1977-12-09 IN IN445/DEL/77A patent/IN147644B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2372849A1 (fr) | 1978-06-30 |
| AU511614B2 (en) | 1980-08-28 |
| AU3123777A (en) | 1979-06-21 |
| US4134863A (en) | 1979-01-16 |
| NL7713471A (nl) | 1978-06-08 |
| ES464767A1 (es) | 1978-09-01 |
| GB1569481A (en) | 1980-06-18 |
| PH13721A (en) | 1980-09-09 |
| JPS5377296A (en) | 1978-07-08 |
| JPS6134722B2 (d) | 1986-08-09 |
| IL53538A (en) | 1980-11-30 |
| DE2753214A1 (de) | 1978-06-08 |
| IT1112105B (it) | 1986-01-13 |
| IL53538A0 (en) | 1978-03-10 |
| SE432104B (sv) | 1984-03-19 |
| FR2372849B1 (d) | 1983-10-07 |
| CA1109052A (en) | 1981-09-15 |
| SE7713665L (sv) | 1978-06-07 |
| ZA776986B (en) | 1978-09-27 |
| BR7708027A (pt) | 1979-01-02 |
| BE861400A (fr) | 1978-03-31 |
| IN147644B (d) | 1980-05-17 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |