JPS6240361B2 - - Google Patents
Info
- Publication number
- JPS6240361B2 JPS6240361B2 JP60136653A JP13665385A JPS6240361B2 JP S6240361 B2 JPS6240361 B2 JP S6240361B2 JP 60136653 A JP60136653 A JP 60136653A JP 13665385 A JP13665385 A JP 13665385A JP S6240361 B2 JPS6240361 B2 JP S6240361B2
- Authority
- JP
- Japan
- Prior art keywords
- crosslinking
- polymer
- aqueous
- water
- polymerization
- 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
- 238000004132 cross linking Methods 0.000 claims description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 229920000642 polymer Polymers 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 21
- 229920002125 Sokalan® Polymers 0.000 claims description 17
- 229920000247 superabsorbent polymer Polymers 0.000 claims description 12
- 239000003999 initiator Substances 0.000 claims description 11
- 239000004584 polyacrylic acid Substances 0.000 claims description 11
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- -1 alkali metal salt Chemical class 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 description 22
- 238000010521 absorption reaction Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 17
- 239000000047 product Substances 0.000 description 16
- 239000011550 stock solution Substances 0.000 description 13
- 239000007864 aqueous solution Substances 0.000 description 12
- 239000000499 gel Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- 150000002978 peroxides Chemical class 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 7
- 239000000178 monomer Substances 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 5
- 239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000001879 gelation Methods 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 229920003169 water-soluble polymer Polymers 0.000 description 2
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 description 1
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 241000482268 Zea mays subsp. mays Species 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 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
- 230000005855 radiation Effects 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 238000010558 suspension polymerization method Methods 0.000 description 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Graft Or Block Polymers (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60136653A JPS61296003A (ja) | 1985-06-22 | 1985-06-22 | 高吸水性重合体の製造方法 |
| DE8686108456T DE3668553D1 (de) | 1985-06-22 | 1986-06-20 | Waessrige zusammensetzung, verfahren zur herstellung eines wasserabsorbierenden polymers und eines damit ueberzogenen gegenstandes. |
| EP19860108456 EP0208945B1 (en) | 1985-06-22 | 1986-06-20 | An aqueous composition, method of producing a water absorbent polymer, water absorbent polymer-coated article and method of producing the same |
| CA 512103 CA1284543C (en) | 1985-06-22 | 1986-06-20 | Aqueous composition, method of producing a water absorbent polymer, water absorbent polymer-coated article and method of producing the same |
| US07/287,521 US4910250A (en) | 1985-06-22 | 1988-12-19 | Aqueous composition, method of producing a water absorbent polymer |
| US07/450,210 US5026596A (en) | 1985-06-22 | 1989-12-13 | Water absorbent polymer-coated article and method of producing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60136653A JPS61296003A (ja) | 1985-06-22 | 1985-06-22 | 高吸水性重合体の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61296003A JPS61296003A (ja) | 1986-12-26 |
| JPS6240361B2 true JPS6240361B2 (enrdf_load_stackoverflow) | 1987-08-27 |
Family
ID=15180358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60136653A Granted JPS61296003A (ja) | 1985-06-22 | 1985-06-22 | 高吸水性重合体の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61296003A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62275146A (ja) * | 1986-02-07 | 1987-11-30 | Hayashikane Zosen Kk | 吸水性被膜を形成する重合体水性溶液および被覆物 |
-
1985
- 1985-06-22 JP JP60136653A patent/JPS61296003A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61296003A (ja) | 1986-12-26 |
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