JPS6319215B2 - - Google Patents
Info
- Publication number
- JPS6319215B2 JPS6319215B2 JP58062264A JP6226483A JPS6319215B2 JP S6319215 B2 JPS6319215 B2 JP S6319215B2 JP 58062264 A JP58062264 A JP 58062264A JP 6226483 A JP6226483 A JP 6226483A JP S6319215 B2 JPS6319215 B2 JP S6319215B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- parts
- weight
- absorbing
- absorbing resin
- 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
- 229920005989 resin Polymers 0.000 claims description 40
- 239000011347 resin Substances 0.000 claims description 40
- 239000000843 powder Substances 0.000 claims description 33
- 239000006096 absorbing agent Substances 0.000 claims description 29
- -1 amine compounds Chemical class 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 17
- 239000003431 cross linking reagent Substances 0.000 claims description 13
- 239000000178 monomer Substances 0.000 claims description 12
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 11
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 10
- 238000004132 cross linking Methods 0.000 claims description 7
- 239000012948 isocyanate Substances 0.000 claims description 7
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 5
- 150000001541 aziridines Chemical class 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 32
- 238000010521 absorption reaction Methods 0.000 description 19
- 239000000203 mixture Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 14
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 229920001577 copolymer Polymers 0.000 description 9
- 239000002250 absorbent Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000002745 absorbent Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 229920002125 Sokalan® Polymers 0.000 description 4
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229920000578 graft copolymer Polymers 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000004584 polyacrylic acid Substances 0.000 description 4
- 238000010557 suspension polymerization reaction Methods 0.000 description 4
- 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 3
- IVIDDMGBRCPGLJ-UHFFFAOYSA-N 2,3-bis(oxiran-2-ylmethoxy)propan-1-ol Chemical compound C1OC1COC(CO)COCC1CO1 IVIDDMGBRCPGLJ-UHFFFAOYSA-N 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 235000002639 sodium chloride Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 210000002700 urine Anatomy 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
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229920006322 acrylamide copolymer Polymers 0.000 description 2
- 229940048053 acrylate Drugs 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000012674 dispersion polymerization Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- CYKDLUMZOVATFT-UHFFFAOYSA-N ethenyl acetate;prop-2-enoic acid Chemical compound OC(=O)C=C.CC(=O)OC=C CYKDLUMZOVATFT-UHFFFAOYSA-N 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 229940047670 sodium acrylate Drugs 0.000 description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 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 2
- WZFUQSJFWNHZHM-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical group C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 WZFUQSJFWNHZHM-UHFFFAOYSA-N 0.000 description 1
- UWHCZFSSKUSDNV-UHFFFAOYSA-N 3-(aziridin-1-yl)propanoic acid;2-ethyl-2-(hydroxymethyl)propane-1,3-diol Chemical compound OC(=O)CCN1CC1.OC(=O)CCN1CC1.OC(=O)CCN1CC1.CCC(CO)(CO)CO UWHCZFSSKUSDNV-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
- 229920002261 Corn starch Polymers 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 241000567769 Isurus oxyrinchus Species 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 108010009736 Protein Hydrolysates Proteins 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
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- OXXBXDKKLWBUEJ-UHFFFAOYSA-N aziridin-1-yl propanoate Chemical compound CCC(=O)ON1CC1 OXXBXDKKLWBUEJ-UHFFFAOYSA-N 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application 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
- 239000000470 constituent Substances 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000002036 drum drying Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 125000000524 functional group Chemical group 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
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing 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
- 239000011259 mixed solution Substances 0.000 description 1
- LSHROXHEILXKHM-UHFFFAOYSA-N n'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 description 1
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 1
- YVOQADGLLJCMOE-UHFFFAOYSA-N n-[6-(aziridine-1-carbonylamino)hexyl]aziridine-1-carboxamide Chemical compound C1CN1C(=O)NCCCCCCNC(=O)N1CC1 YVOQADGLLJCMOE-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent 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
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
- 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 |
|---|---|---|---|
| JP58062264A JPS59189103A (ja) | 1983-04-11 | 1983-04-11 | 吸水剤 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58062264A JPS59189103A (ja) | 1983-04-11 | 1983-04-11 | 吸水剤 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59189103A JPS59189103A (ja) | 1984-10-26 |
| JPS6319215B2 true JPS6319215B2 (zh) | 1988-04-21 |
Family
ID=13195111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58062264A Granted JPS59189103A (ja) | 1983-04-11 | 1983-04-11 | 吸水剤 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59189103A (zh) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2703879B2 (ja) * | 1984-03-05 | 1998-01-26 | 花王株式会社 | 生理用ナプキン |
| JP2538547B2 (ja) * | 1984-03-05 | 1996-09-25 | 花王株式会社 | 使い捨ておむつ |
| JPS62112655A (ja) * | 1985-11-11 | 1987-05-23 | Kyoritsu Yuki Kogyo Kenkyusho:Kk | 高吸水性樹脂の製造方法 |
| JPS62257500A (ja) * | 1985-12-03 | 1987-11-10 | 大建工業株式会社 | 吸放湿性無機質繊維板 |
| JPH0621131B2 (ja) * | 1987-07-07 | 1994-03-23 | 三洋化成工業株式会社 | 吸水性樹脂の製造法 |
| JPH0655838B2 (ja) * | 1988-05-24 | 1994-07-27 | 株式会社日本触媒 | 吸水性樹脂の表面処理方法 |
| TW201758B (zh) * | 1988-06-28 | 1993-03-11 | Catalyst co ltd | |
| US6087002A (en) * | 1988-06-28 | 2000-07-11 | Nippon Shokubai Kagaku Kogyo Co. Ltd. | Water absorbent resin |
| JPH0645652B2 (ja) * | 1989-08-29 | 1994-06-15 | 荒川化学工業株式会社 | 改質された吸水性樹脂の連続製造法 |
| US5389722A (en) * | 1992-06-05 | 1995-02-14 | Nippon Shokubai Co., Ltd. | Hydrophilic resin and method for production thereof |
| KR100421755B1 (ko) | 1995-09-05 | 2004-05-20 | 유겐가이샤 무코야마란엔 | 식물체재배용지지체및식물체육성방법 |
| IL128299A (en) | 1996-08-01 | 2006-06-11 | Mebiol Inc | A vessel that holds water for a plant |
| US6228930B1 (en) | 1997-06-18 | 2001-05-08 | Nippon Shokubai Co., Ltd. | Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule |
| US6265488B1 (en) | 1998-02-24 | 2001-07-24 | Nippon Shokubai Co., Ltd. | Production process for water-absorbing agent |
| CN101143229A (zh) * | 1998-03-03 | 2008-03-19 | 株式会社日本触媒 | 吸水剂及体液吸收制品 |
| DE69939048D1 (de) | 1998-11-05 | 2008-08-21 | Nippon Catalytic Chem Ind | Wasserabsorbierendes Harz und Verfahren zu seiner Herstellung |
| CA2350023C (en) | 1998-11-06 | 2007-09-18 | M&M Laboratory Co., Ltd. | Water-holding carriers for plants and water-holding materials for growing plants |
| JP5008790B2 (ja) * | 1999-10-29 | 2012-08-22 | 株式会社日本触媒 | 表面架橋吸水性樹脂および吸水性樹脂の表面架橋方法 |
| JP2001302810A (ja) * | 2000-04-21 | 2001-10-31 | Toagosei Co Ltd | 高吸水性樹脂の連続的製造方法 |
| US6720389B2 (en) | 2000-09-20 | 2004-04-13 | Nippon Shokubai Co., Ltd. | Water-absorbent resin and production process therefor |
| US6809158B2 (en) | 2000-10-20 | 2004-10-26 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and process for producing the same |
| EP1364992B1 (en) | 2001-01-26 | 2020-03-25 | Nippon Shokubai Co., Ltd. | Water absorbing agent and method for production thereof, and water absorbing article |
| CN1277583C (zh) | 2001-06-08 | 2006-10-04 | 株式会社日本触媒 | 吸水剂及其制备方法,以及卫生材料 |
| US6727345B2 (en) | 2001-07-03 | 2004-04-27 | Nippon Shokubai Co., Ltd. | Continuous production process for water-absorbent resin powder and powder surface detector used therefor |
| JP2003225565A (ja) | 2001-11-20 | 2003-08-12 | San-Dia Polymer Ltd | 吸水剤、その製法、吸水剤を用いた吸収体並びに吸収性物品 |
| JP4539813B2 (ja) * | 2003-08-19 | 2010-09-08 | ソニーケミカル＆インフォメーションデバイス株式会社 | 絶縁被覆導電粒子 |
| US8148111B2 (en) | 2006-03-17 | 2012-04-03 | Sanyo Chemical Industries, Ltd. | Cell culture carrier comprising poly(meth)acrylic (salt) particle and artificial polypeptide |
| SG172397A1 (en) | 2008-12-26 | 2011-07-28 | San Dia Polymers Ltd | Absorbing resin particles, process for producing same, and absorbent and absorbing article both including same |
| JP5177439B2 (ja) * | 2009-06-23 | 2013-04-03 | デクセリアルズ株式会社 | 絶縁被覆導電粒子 |
| US20120220452A1 (en) | 2009-10-30 | 2012-08-30 | Sanyo Chemical Industries, Ltd. | Absorbent resin particles for water-stopping tape, and water-stopping tape containing same |
| JP4957871B2 (ja) * | 2010-03-15 | 2012-06-20 | 日立化成工業株式会社 | 架橋ポリマー粒子及びその製造方法 |
| TW201438768A (zh) | 2012-09-21 | 2014-10-16 | Sanyo Chemical Ind Ltd | 水性液體吸收性樹脂、水性液體吸收性組成物及用有該等之吸收體及吸收性物品 |
| KR102526224B1 (ko) | 2015-10-02 | 2023-04-26 | 에스디피 글로벌 가부시키가이샤 | 흡수성 수지 조성물 및 그 제조 방법 |
| WO2020122426A1 (ko) | 2018-12-11 | 2020-06-18 | 주식회사 엘지화학 | 고흡수성 수지 및 이의 제조 방법 |
| WO2020213298A1 (ja) | 2019-04-16 | 2020-10-22 | 三洋化成工業株式会社 | 吸水性樹脂粒子の製造方法 |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5259690A (en) * | 1975-11-12 | 1977-05-17 | Sanyo Chem Ind Ltd | Preparation of water absorbing resin |
| JPS52117393A (en) * | 1976-03-25 | 1977-10-01 | Hercules Inc | Modification of increasing absorption rate of absorbent resin |
| JPS5346200A (en) * | 1976-10-08 | 1978-04-25 | Bucalo Louis | Method and device for controlling number of spermatozoons |
| JPS5346199A (en) * | 1976-10-08 | 1978-04-25 | Daiya Med Syst | Device for measuring swing of tooth |
| JPS5453165A (en) * | 1977-10-05 | 1979-04-26 | Sanyo Chem Ind Ltd | Production of water absorbing resin |
| JPS554462A (en) * | 1978-06-26 | 1980-01-12 | Toshihiro Sekido | Door |
| JPS55133413A (en) * | 1979-04-06 | 1980-10-17 | Nippon Shokubai Kagaku Kogyo Co Ltd | Preparation of crosslinked alkali metal acrylate polymer |
| JPS5744627A (en) * | 1980-08-29 | 1982-03-13 | Seitetsu Kagaku Co Ltd | Improvement of water absorption of water-absorbing polymer of acrylic acid salt |
| JPS5773007A (en) * | 1980-10-22 | 1982-05-07 | Kuraray Co Ltd | Preparation of water-absorbig resin |
| JPS5842602A (ja) * | 1981-09-07 | 1983-03-12 | Sanyo Chem Ind Ltd | 吸水性樹脂の製造法 |
| JPS58117222A (ja) * | 1981-12-30 | 1983-07-12 | Seitetsu Kagaku Co Ltd | 吸水性樹脂の吸水性改良方法 |
| JPS5962665A (ja) * | 1982-09-02 | 1984-04-10 | Kao Corp | 高吸水性ポリマ−の製造法 |
-
1983
- 1983-04-11 JP JP58062264A patent/JPS59189103A/ja active Granted
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5259690A (en) * | 1975-11-12 | 1977-05-17 | Sanyo Chem Ind Ltd | Preparation of water absorbing resin |
| JPS52117393A (en) * | 1976-03-25 | 1977-10-01 | Hercules Inc | Modification of increasing absorption rate of absorbent resin |
| JPS5346200A (en) * | 1976-10-08 | 1978-04-25 | Bucalo Louis | Method and device for controlling number of spermatozoons |
| JPS5346199A (en) * | 1976-10-08 | 1978-04-25 | Daiya Med Syst | Device for measuring swing of tooth |
| JPS5453165A (en) * | 1977-10-05 | 1979-04-26 | Sanyo Chem Ind Ltd | Production of water absorbing resin |
| JPS554462A (en) * | 1978-06-26 | 1980-01-12 | Toshihiro Sekido | Door |
| JPS55133413A (en) * | 1979-04-06 | 1980-10-17 | Nippon Shokubai Kagaku Kogyo Co Ltd | Preparation of crosslinked alkali metal acrylate polymer |
| JPS5744627A (en) * | 1980-08-29 | 1982-03-13 | Seitetsu Kagaku Co Ltd | Improvement of water absorption of water-absorbing polymer of acrylic acid salt |
| JPS5773007A (en) * | 1980-10-22 | 1982-05-07 | Kuraray Co Ltd | Preparation of water-absorbig resin |
| JPS5842602A (ja) * | 1981-09-07 | 1983-03-12 | Sanyo Chem Ind Ltd | 吸水性樹脂の製造法 |
| JPS58117222A (ja) * | 1981-12-30 | 1983-07-12 | Seitetsu Kagaku Co Ltd | 吸水性樹脂の吸水性改良方法 |
| JPS5962665A (ja) * | 1982-09-02 | 1984-04-10 | Kao Corp | 高吸水性ポリマ−の製造法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59189103A (ja) | 1984-10-26 |
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