JPS6148521B2 - - Google Patents
Info
- Publication number
- JPS6148521B2 JPS6148521B2 JP55119942A JP11994280A JPS6148521B2 JP S6148521 B2 JPS6148521 B2 JP S6148521B2 JP 55119942 A JP55119942 A JP 55119942A JP 11994280 A JP11994280 A JP 11994280A JP S6148521 B2 JPS6148521 B2 JP S6148521B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- polymer
- acrylic acid
- organic solvent
- crosslinking agent
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 45
- 229920000642 polymer Polymers 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 31
- 239000011347 resin Substances 0.000 claims description 27
- 229920005989 resin Polymers 0.000 claims description 27
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 21
- 239000003431 cross linking reagent Substances 0.000 claims description 18
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical group CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 claims description 14
- 238000004132 cross linking Methods 0.000 claims description 14
- 239000003960 organic solvent Substances 0.000 claims description 14
- 239000012046 mixed solvent Substances 0.000 claims description 11
- 150000007942 carboxylates Chemical group 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- 125000000524 functional group Chemical group 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 238000003756 stirring Methods 0.000 description 20
- 239000007864 aqueous solution Substances 0.000 description 18
- 239000000243 solution Substances 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 14
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 12
- -1 diglycidyl ether compound Chemical class 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 238000006116 polymerization reaction Methods 0.000 description 10
- 238000010992 reflux Methods 0.000 description 9
- 229920001577 copolymer Polymers 0.000 description 8
- 235000011121 sodium hydroxide Nutrition 0.000 description 8
- 239000002250 absorbent Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 5
- 238000006386 neutralization reaction Methods 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 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 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 238000007127 saponification reaction Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 150000002170 ethers Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002504 physiological saline solution Substances 0.000 description 3
- 230000000379 polymerizing effect Effects 0.000 description 3
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 3
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 229940048053 acrylate Drugs 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 229920001477 hydrophilic polymer Polymers 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 239000002685 polymerization catalyst Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000007870 radical polymerization initiator Substances 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229940047670 sodium acrylate Drugs 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000001587 sorbitan monostearate Substances 0.000 description 2
- 235000011076 sorbitan monostearate Nutrition 0.000 description 2
- 229940035048 sorbitan monostearate Drugs 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 1
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- HDPLHDGYGLENEI-UHFFFAOYSA-N 2-[1-(oxiran-2-ylmethoxy)propan-2-yloxymethyl]oxirane Chemical compound C1OC1COC(C)COCC1CO1 HDPLHDGYGLENEI-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 108010009736 Protein Hydrolysates Proteins 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000004968 peroxymonosulfuric acids Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11994280A JPS5744627A (en) | 1980-08-29 | 1980-08-29 | Improvement of water absorption of water-absorbing polymer of acrylic acid salt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11994280A JPS5744627A (en) | 1980-08-29 | 1980-08-29 | Improvement of water absorption of water-absorbing polymer of acrylic acid salt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5744627A JPS5744627A (en) | 1982-03-13 |
| JPS6148521B2 true JPS6148521B2 (US20030220297A1-20031127-C00033.png) | 1986-10-24 |
Family
ID=14773981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11994280A Granted JPS5744627A (en) | 1980-08-29 | 1980-08-29 | Improvement of water absorption of water-absorbing polymer of acrylic acid salt |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5744627A (US20030220297A1-20031127-C00033.png) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62175624U (US20030220297A1-20031127-C00033.png) * | 1986-04-28 | 1987-11-07 | ||
| WO1991016380A1 (fr) * | 1990-04-20 | 1991-10-31 | Arakawa Chemical Industries Ltd. | Procede de moulage et de production d'une resine a absorption d'eau, et utilisation de celle-ci |
| WO2008041775A1 (en) | 2006-10-02 | 2008-04-10 | Kao Corporation | Treatment composition for textile products |
| EP2272898A1 (en) | 2000-09-20 | 2011-01-12 | Nippon Shokubai Co., Ltd. | Water-absorbent polymer particles and production process therefor |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5962665A (ja) * | 1982-09-02 | 1984-04-10 | Kao Corp | 高吸水性ポリマ−の製造法 |
| JPS6023122B2 (ja) * | 1982-10-08 | 1985-06-06 | エスレン化工株式会社 | 吸水性樹脂の製造方法 |
| JPS59189103A (ja) * | 1983-04-11 | 1984-10-26 | Nippon Shokubai Kagaku Kogyo Co Ltd | 吸水剤 |
| JPS6116903A (ja) * | 1984-07-02 | 1986-01-24 | Nippon Shokubai Kagaku Kogyo Co Ltd | 吸水剤 |
| JPS63118308A (ja) * | 1986-11-06 | 1988-05-23 | Nippon Synthetic Chem Ind Co Ltd:The | 高吸水性樹脂の製造法 |
| JPH0615574B2 (ja) * | 1987-08-26 | 1994-03-02 | 積水化成品工業株式会社 | 吸水性樹脂の製造方法 |
| US5326819A (en) * | 1988-04-16 | 1994-07-05 | Oosaka Yuuki Kagaku Kogyo Kabushiki Kaisha | Water absorbent polymer keeping absorbed water therein in the form of independent grains |
| US5124188A (en) * | 1990-04-02 | 1992-06-23 | The Procter & Gamble Company | Porous, absorbent, polymeric macrostructures and methods of making the same |
| US5300565A (en) * | 1990-04-02 | 1994-04-05 | The Procter & Gamble Company | Particulate, absorbent, polymeric compositions containing interparticle crosslinked aggregates |
| US5180622A (en) * | 1990-04-02 | 1993-01-19 | The Procter & Gamble Company | Absorbent members containing interparticle crosslinked aggregates |
| US5140076A (en) * | 1990-04-02 | 1992-08-18 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Method of treating the surface of an absorbent resin |
| US5149334A (en) * | 1990-04-02 | 1992-09-22 | The Procter & Gamble Company | Absorbent articles containing interparticle crosslinked aggregates |
| US5492962A (en) * | 1990-04-02 | 1996-02-20 | The Procter & Gamble Company | Method for producing compositions containing interparticle crosslinked aggregates |
| DE69133620D1 (de) * | 1990-12-21 | 2009-09-10 | Nippon Catalytic Chem Ind | Wasserabsorbierendes Material und Verfahren zu seiner Herstellung sowie wasserabsorbierender Artikel und Verfahren zu seiner Herstellung |
| CA2086031A1 (en) * | 1992-01-28 | 1993-07-29 | Shigeki Ueda | Process for producing improved water absorbing resin and resin made by the same |
| DE69323652T2 (de) | 1992-06-10 | 1999-09-09 | Nippon Shokubai Co. Ltd. | Verfahren zur Herstellung eines hydrophilen Harzes |
| JP2654739B2 (ja) * | 1993-03-31 | 1997-09-17 | 三洋化成工業株式会社 | 表面架橋された吸水性樹脂の製造法 |
| US5883158A (en) * | 1994-08-12 | 1999-03-16 | Kao Corporation | Process for producing improved super absorbent polymer |
| JP3425594B2 (ja) | 1995-09-05 | 2003-07-14 | 有限会社 向山蘭園 | 植物体栽培用支持体および植物体育成方法 |
| IL128299A (en) | 1996-08-01 | 2006-06-11 | Mebiol Inc | A vessel that holds water for a plant |
| US6107358A (en) * | 1996-08-23 | 2000-08-22 | Nippon Shokubai Co., Ltd. | Water-absorbent resin and method for production thereof |
| EP1145621B8 (en) | 1998-11-06 | 2008-10-15 | Mebiol Inc. | Water-holding carriers for plants and water-holding materials for growing plants |
| EP1291368B1 (en) | 2001-04-16 | 2017-05-31 | Sumitomo Seika Chemicals Co., Ltd. | Water-absorbing resin suitable for absorbing viscous liquid containing high-molecular compound, and absorbent and absorbent article each comprising the same |
| US6716894B2 (en) | 2001-07-06 | 2004-04-06 | Nippon Shokubai Co., Ltd. | Water-absorbent resin powder and its production process and uses |
| EP2156850A1 (en) | 2003-08-27 | 2010-02-24 | Nippon Shokubai Co., Ltd. | Process for production of surface-treated particulate water-absorbent resin |
| TWI642713B (zh) | 2017-03-31 | 2018-12-01 | 臺灣塑膠工業股份有限公司 | 吸水性樹脂及其製造方法 |
| TWI625355B (zh) | 2017-03-31 | 2018-06-01 | 臺灣塑膠工業股份有限公司 | 吸水性樹脂及其製造方法 |
| TWI761904B (zh) | 2020-08-10 | 2022-04-21 | 臺灣塑膠工業股份有限公司 | 吸水性樹脂及其製造方法 |
| US20240336760A1 (en) * | 2021-06-30 | 2024-10-10 | Nitto Denko Corporation | Method for producing water-soluble polymer, method for producing water-absorbent polymer, water-soluble polymer, and water-absorbent polymer |
| TWI805461B (zh) | 2022-08-04 | 2023-06-11 | 臺灣塑膠工業股份有限公司 | 吸水性樹脂與其製作方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51136588A (en) * | 1975-05-09 | 1976-11-26 | Nat Starch Chem Corp | Surface treatment for dispersion improvement of hygroscopic composites |
| JPS5214689A (en) * | 1975-07-24 | 1977-02-03 | Sumitomo Chem Co Ltd | Process for preparing a macromolecular material excellent in water abs orption properties |
| JPS52117393A (en) * | 1976-03-25 | 1977-10-01 | Hercules Inc | Modification of increasing absorption rate of absorbent resin |
-
1980
- 1980-08-29 JP JP11994280A patent/JPS5744627A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51136588A (en) * | 1975-05-09 | 1976-11-26 | Nat Starch Chem Corp | Surface treatment for dispersion improvement of hygroscopic composites |
| JPS5214689A (en) * | 1975-07-24 | 1977-02-03 | Sumitomo Chem Co Ltd | Process for preparing a macromolecular material excellent in water abs orption properties |
| JPS52117393A (en) * | 1976-03-25 | 1977-10-01 | Hercules Inc | Modification of increasing absorption rate of absorbent resin |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62175624U (US20030220297A1-20031127-C00033.png) * | 1986-04-28 | 1987-11-07 | ||
| WO1991016380A1 (fr) * | 1990-04-20 | 1991-10-31 | Arakawa Chemical Industries Ltd. | Procede de moulage et de production d'une resine a absorption d'eau, et utilisation de celle-ci |
| EP2272898A1 (en) | 2000-09-20 | 2011-01-12 | Nippon Shokubai Co., Ltd. | Water-absorbent polymer particles and production process therefor |
| WO2008041775A1 (en) | 2006-10-02 | 2008-04-10 | Kao Corporation | Treatment composition for textile products |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5744627A (en) | 1982-03-13 |
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