JPH0476366B2 - - Google Patents
Info
- Publication number
- JPH0476366B2 JPH0476366B2 JP61187539A JP18753986A JPH0476366B2 JP H0476366 B2 JPH0476366 B2 JP H0476366B2 JP 61187539 A JP61187539 A JP 61187539A JP 18753986 A JP18753986 A JP 18753986A JP H0476366 B2 JPH0476366 B2 JP H0476366B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- polymerization
- weight
- monomer
- same manner
- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 239000011347 resin Substances 0.000 claims description 45
- 229920005989 resin Polymers 0.000 claims description 45
- 239000000178 monomer Substances 0.000 claims description 38
- 239000000243 solution Substances 0.000 claims description 28
- -1 alkali metal salt Chemical class 0.000 claims description 25
- 239000002250 absorbent Substances 0.000 claims description 20
- 230000002745 absorbent Effects 0.000 claims description 17
- 239000007864 aqueous solution Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 239000003504 photosensitizing agent Substances 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 9
- 229910052783 alkali metal Inorganic materials 0.000 claims description 9
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 8
- 238000004132 cross linking Methods 0.000 claims description 8
- KAKZBPTYRLMSJV-UHFFFAOYSA-N vinyl-ethylene Natural products C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 description 32
- 238000006116 polymerization reaction Methods 0.000 description 25
- 239000007788 liquid Substances 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 19
- 206010016807 Fluid retention Diseases 0.000 description 18
- 238000001035 drying Methods 0.000 description 16
- 238000010298 pulverizing process Methods 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 10
- 230000000379 polymerizing effect Effects 0.000 description 10
- 239000000126 substance Substances 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920000578 graft copolymer Polymers 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000002504 physiological saline solution Substances 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- PGFZYOCLSPEKSN-UHFFFAOYSA-N 5,5-dimethyl-1,3-diazabicyclo[2.2.0]hex-3-ene dihydrochloride Chemical compound Cl.Cl.CC1(C)CN2CN=C12 PGFZYOCLSPEKSN-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 description 2
- GUUVPOWQJOLRAS-UHFFFAOYSA-N Diphenyl disulfide Chemical compound C=1C=CC=CC=1SSC1=CC=CC=C1 GUUVPOWQJOLRAS-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- LXEKPEMOWBOYRF-UHFFFAOYSA-N [2-[(1-azaniumyl-1-imino-2-methylpropan-2-yl)diazenyl]-2-methylpropanimidoyl]azanium;dichloride Chemical compound Cl.Cl.NC(=N)C(C)(C)N=NC(C)(C)C(N)=N LXEKPEMOWBOYRF-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 2
- 125000003739 carbamimidoyl group Chemical group C(N)(=N)* 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229920006037 cross link polymer Polymers 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 2
- QYZFTMMPKCOTAN-UHFFFAOYSA-N n-[2-(2-hydroxyethylamino)ethyl]-2-[[1-[2-(2-hydroxyethylamino)ethylamino]-2-methyl-1-oxopropan-2-yl]diazenyl]-2-methylpropanamide Chemical compound OCCNCCNC(=O)C(C)(C)N=NC(C)(C)C(=O)NCCNCCO QYZFTMMPKCOTAN-UHFFFAOYSA-N 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000003505 polymerization initiator Substances 0.000 description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000010557 suspension polymerization reaction Methods 0.000 description 2
- 238000012719 thermal polymerization Methods 0.000 description 2
- 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
- AUZRCMMVHXRSGT-UHFFFAOYSA-N 2-methylpropane-1-sulfonic acid;prop-2-enamide Chemical compound NC(=O)C=C.CC(C)CS(O)(=O)=O AUZRCMMVHXRSGT-UHFFFAOYSA-N 0.000 description 1
- FKAJZOZTZXQGTJ-UHFFFAOYSA-N 5,5-dimethyl-1,3-diazabicyclo[2.2.0]hex-3-ene Chemical compound C1N2C(C1(C)C)=NC2 FKAJZOZTZXQGTJ-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 108010009736 Protein Hydrolysates Proteins 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 244000028419 Styrax benzoin Species 0.000 description 1
- 235000000126 Styrax benzoin Nutrition 0.000 description 1
- 235000008411 Sumatra benzointree Nutrition 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 229960002130 benzoin Drugs 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 125000004386 diacrylate group Chemical group 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005183 environmental health Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 235000019382 gum benzoic Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000012688 inverse emulsion polymerization Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005650 polypropylene glycol diacrylate Polymers 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000008016 vaporization Effects 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Analytical Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Polymerization Catalysts (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18753986A JPS6343912A (ja) | 1986-08-08 | 1986-08-08 | 吸水性樹脂の製造法 |
| DE19873716945 DE3716945A1 (de) | 1986-08-08 | 1987-05-20 | Verfahren zur herstellung von wasser-absorbierenden harzen |
| FI872252A FI872252A (fi) | 1986-08-08 | 1987-05-21 | Foerfarande foer framstaellning av vatten vattenabsorberande harts. |
| FR8707208A FR2602512B1 (fr) | 1986-08-08 | 1987-05-22 | Procede pour preparer une resine absorbant l'eau et resine obtenue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18753986A JPS6343912A (ja) | 1986-08-08 | 1986-08-08 | 吸水性樹脂の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6343912A JPS6343912A (ja) | 1988-02-25 |
| JPH0476366B2 true JPH0476366B2 (fr) | 1992-12-03 |
Family
ID=16207857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18753986A Granted JPS6343912A (ja) | 1986-08-08 | 1986-08-08 | 吸水性樹脂の製造法 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS6343912A (fr) |
| DE (1) | DE3716945A1 (fr) |
| FI (1) | FI872252A (fr) |
| FR (1) | FR2602512B1 (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4406978C2 (de) * | 1994-03-03 | 1996-09-19 | Lohmann Gmbh & Co Kg | Verfahren zur Herstellung von selbstklebenden Hydrogelen und ihre medizinische Verwendung |
| TW494106B (en) * | 1994-04-25 | 2002-07-11 | Wako Pure Chem Ind Ltd | An initiator used for the polymerization of acid or neutral water-soluble vinyl polymers |
| JP5893117B2 (ja) * | 2014-07-11 | 2016-03-23 | 住友精化株式会社 | 吸水性樹脂及び吸収性物品 |
| JP5893116B2 (ja) * | 2014-07-11 | 2016-03-23 | 住友精化株式会社 | 吸水性樹脂及び吸水性樹脂の製造方法 |
| US10285866B2 (en) | 2015-01-16 | 2019-05-14 | Lg Chem, Ltd. | Super absorbent polymer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61157513A (ja) * | 1984-12-28 | 1986-07-17 | Mitsubishi Petrochem Co Ltd | 高吸水性ポリマ−の製造方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2130070C3 (de) * | 1971-06-18 | 1981-08-20 | Röhm GmbH, 6100 Darmstadt | Verfahren zur Photopolymerisation von Acryl-, Methacrylverbindungen oder Styrol in Gegenwart von Azoverbindungen |
| FR2348227A1 (fr) * | 1976-04-14 | 1977-11-10 | Rhone Poulenc Ind | Perfectionnement aux procedes de preparation de polymeres acryliques hydrosolubles par photopolymerisation |
| JPS62235305A (ja) * | 1986-04-04 | 1987-10-15 | Dai Ichi Kogyo Seiyaku Co Ltd | 高分子量アクリル系重合体の製法 |
-
1986
- 1986-08-08 JP JP18753986A patent/JPS6343912A/ja active Granted
-
1987
- 1987-05-20 DE DE19873716945 patent/DE3716945A1/de not_active Withdrawn
- 1987-05-21 FI FI872252A patent/FI872252A/fi not_active Application Discontinuation
- 1987-05-22 FR FR8707208A patent/FR2602512B1/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61157513A (ja) * | 1984-12-28 | 1986-07-17 | Mitsubishi Petrochem Co Ltd | 高吸水性ポリマ−の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6343912A (ja) | 1988-02-25 |
| FI872252A (fi) | 1988-02-09 |
| FR2602512A1 (fr) | 1988-02-12 |
| FI872252A0 (fi) | 1987-05-21 |
| DE3716945A1 (de) | 1988-02-11 |
| FR2602512B1 (fr) | 1989-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2849617B2 (ja) | 水状の液体および人体内の体液を吸収可能な粉末状のクロスリンクポリマー、その製造方法およびその使用 | |
| CN101072817B (zh) | 吸水性树脂的表面处理方法 | |
| CN105492505B (zh) | 凝胶粉碎装置、及聚丙烯酸(盐)系吸水性树脂粉末的制造方法、以及吸水性树脂粉末 | |
| KR100819613B1 (ko) | 수분 흡수제와 그 제조방법 | |
| JP4395531B2 (ja) | 吸水性ポリマーを後架橋する方法 | |
| JP3280077B2 (ja) | 超吸収剤の吸水速度を向上させる方法及び吸水速度の向上した超吸収剤ポリマー | |
| JPH07185331A (ja) | 超吸収性ポリマー、その製法、および加圧下吸収の改良方法 | |
| JP2877255B2 (ja) | 耐久性の優れた吸水性樹脂の製造方法 | |
| CN104231144A (zh) | 聚丙烯酸系吸水性树脂粉末及其制造方法 | |
| US20140257223A1 (en) | Super-absorbing polymers with rapid absorption properties and method for producing the same | |
| JP2018145210A (ja) | 新規アクリル酸架橋重合体およびその使用 | |
| JPH10265522A (ja) | 高吸水性ポリマー組成物及びその製造方法ならびにそれからなる高吸水性物品 | |
| JP2002513059A (ja) | 機械的に安定なヒドロゲル | |
| JP2003261601A (ja) | 吸水性樹脂およびその製造方法 | |
| JP2020526633A (ja) | 超吸収性ポリマー粒子の製造方法 | |
| JPS63260907A (ja) | 高吸水性ポリマ−の製造法 | |
| JPH0476366B2 (fr) | ||
| JP2555159B2 (ja) | 吸水性樹脂の製造方法 | |
| JPH0776244B2 (ja) | 水可溶分の少ない吸水性樹脂の製造法 | |
| JP3461860B2 (ja) | 吸収性材料の製造方法 | |
| JP4550256B2 (ja) | 吸水性樹脂の製造法 | |
| JPH0248292B2 (fr) | ||
| JPH01292003A (ja) | 吸水性樹脂の精製方法 | |
| CN109776741B (zh) | 高吸水性树脂的制造方法 | |
| JPH0564969B2 (fr) |