JPH0114242B2 - - Google Patents
Info
- Publication number
- JPH0114242B2 JPH0114242B2 JP10340579A JP10340579A JPH0114242B2 JP H0114242 B2 JPH0114242 B2 JP H0114242B2 JP 10340579 A JP10340579 A JP 10340579A JP 10340579 A JP10340579 A JP 10340579A JP H0114242 B2 JPH0114242 B2 JP H0114242B2
- Authority
- JP
- Japan
- Prior art keywords
- polymerization
- water
- acrylic acid
- polymer
- water absorption
- 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
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 19
- 238000006386 neutralization reaction Methods 0.000 claims description 19
- 239000002904 solvent Substances 0.000 claims description 17
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 13
- -1 alicyclic hydrocarbon Chemical class 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000009835 boiling Methods 0.000 claims description 11
- 239000004094 surface-active agent Substances 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 9
- 239000002685 polymerization catalyst Substances 0.000 claims description 7
- 238000010557 suspension polymerization reaction Methods 0.000 claims description 7
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 6
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 claims description 6
- 230000000379 polymerizing effect Effects 0.000 claims description 6
- 238000010526 radical polymerization reaction Methods 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 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 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 239000000600 sorbitol Substances 0.000 claims description 5
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical group [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 4
- 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 claims description 3
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 claims description 3
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims 1
- 150000001447 alkali salts Chemical class 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 159000000000 sodium salts Chemical class 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 39
- 229920000642 polymer Polymers 0.000 description 38
- 238000010521 absorption reaction Methods 0.000 description 32
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 238000000034 method Methods 0.000 description 11
- 238000001704 evaporation Methods 0.000 description 10
- 230000008020 evaporation Effects 0.000 description 10
- 239000000843 powder Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 235000011121 sodium hydroxide Nutrition 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 235000014113 dietary fatty acids Nutrition 0.000 description 5
- 239000000194 fatty acid Substances 0.000 description 5
- 229930195729 fatty acid Natural products 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000007720 emulsion polymerization reaction Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000003505 polymerization initiator Substances 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 229920000578 graft copolymer Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- GDOPTJXRTPNYNR-UHFFFAOYSA-N methylcyclopentane Chemical compound CC1CCCC1 GDOPTJXRTPNYNR-UHFFFAOYSA-N 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 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 1
- 229920002472 Starch Polymers 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000010556 emulsion polymerization method Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- JYVHOGDBFNJNMR-UHFFFAOYSA-N hexane;hydrate Chemical compound O.CCCCCC JYVHOGDBFNJNMR-UHFFFAOYSA-N 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 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
- 239000003208 petroleum Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000001587 sorbitan monostearate Substances 0.000 description 1
- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 239000007921 spray 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
- 238000010558 suspension polymerization method Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Polymerisation Methods In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10340579A JPS5626909A (en) | 1979-08-13 | 1979-08-13 | Preparation of water-absorbing acrylic polymer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10340579A JPS5626909A (en) | 1979-08-13 | 1979-08-13 | Preparation of water-absorbing acrylic polymer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5626909A JPS5626909A (en) | 1981-03-16 |
| JPH0114242B2 true JPH0114242B2 (en, 2012) | 1989-03-10 |
Family
ID=14353135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10340579A Granted JPS5626909A (en) | 1979-08-13 | 1979-08-13 | Preparation of water-absorbing acrylic polymer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5626909A (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3005053U (ja) * | 1994-06-08 | 1994-12-06 | 株式会社ホクエツ | 擁壁単位体 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JPS6143329A (ja) * | 1984-08-07 | 1986-03-01 | Mitsutoyo Mfg Co Ltd | 信号入力装置 |
| KR100376561B1 (ko) * | 2000-07-11 | 2003-03-17 | 지성규 | 알루미늄 피막제의 제조방법 및 동 방법에 의해 제조한 피막제를 이용한 알루미늄판의 피막방법 |
| CN101291995B (zh) * | 2005-09-30 | 2012-11-07 | 株式会社日本触媒 | 吸水性树脂作为主要组分的吸水剂和该吸水剂的生产方法 |
| CN102245680B (zh) | 2008-12-26 | 2013-09-11 | 三大雅高分子公司 | 吸收性树脂颗粒、其制造方法以及包含该吸收性树脂颗粒的吸收体和吸收性物品 |
| WO2011052140A1 (ja) | 2009-10-30 | 2011-05-05 | 三洋化成工業株式会社 | 止水テープ用吸収性樹脂粒子及びこれを含有してなる止水テープ |
| WO2015016075A1 (ja) | 2013-07-29 | 2015-02-05 | 住友精化株式会社 | 吸水性樹脂粒子の製造方法 |
| US9745392B2 (en) | 2014-03-26 | 2017-08-29 | Sumitomo Seika Chemicals Co., Ltd. | Method for producing water-absorbent resin particle |
| JP6901216B2 (ja) | 2015-10-02 | 2021-07-14 | Ｓｄｐグローバル株式会社 | 吸水性樹脂粒子及びその製造方法 |
| JPWO2017057709A1 (ja) | 2015-10-02 | 2018-08-09 | Ｓｄｐグローバル株式会社 | 吸水性樹脂組成物及びその製造方法 |
| EP3604352B1 (en) | 2017-03-30 | 2025-02-19 | Godo Shigen Co., Ltd. | Method for producing a polymer using a molecular-weight controlling agent for radical polymerization |
| JPWO2020213298A1 (en, 2012) | 2019-04-16 | 2020-10-22 |
-
1979
- 1979-08-13 JP JP10340579A patent/JPS5626909A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3005053U (ja) * | 1994-06-08 | 1994-12-06 | 株式会社ホクエツ | 擁壁単位体 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5626909A (en) | 1981-03-16 |
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