JPWO2021095806A5 - - Google Patents
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- Publication number
- JPWO2021095806A5 JPWO2021095806A5 JP2021556147A JP2021556147A JPWO2021095806A5 JP WO2021095806 A5 JPWO2021095806 A5 JP WO2021095806A5 JP 2021556147 A JP2021556147 A JP 2021556147A JP 2021556147 A JP2021556147 A JP 2021556147A JP WO2021095806 A5 JPWO2021095806 A5 JP WO2021095806A5
- Authority
- JP
- Japan
- Prior art keywords
- particulate water
- chelating agent
- production method
- water
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 28
- 239000002738 chelating agent Substances 0.000 claims 23
- 238000004519 manufacturing process Methods 0.000 claims 21
- 239000002245 particle Substances 0.000 claims 18
- 239000006096 absorbing agent Substances 0.000 claims 16
- 239000000178 monomer Substances 0.000 claims 16
- 239000000017 hydrogel Substances 0.000 claims 14
- 239000002250 absorbent Substances 0.000 claims 13
- 239000000499 gel Substances 0.000 claims 12
- 230000002745 absorbent Effects 0.000 claims 10
- 238000001035 drying Methods 0.000 claims 10
- 239000003638 chemical reducing agent Substances 0.000 claims 9
- 239000007864 aqueous solution Substances 0.000 claims 7
- 239000007787 solid Substances 0.000 claims 6
- 229910052757 nitrogen Inorganic materials 0.000 claims 5
- 125000004433 nitrogen atom Chemical group N* 0.000 claims 5
- 239000011347 resin Substances 0.000 claims 5
- 229920005989 resin Polymers 0.000 claims 5
- 150000003839 salts Chemical class 0.000 claims 5
- 238000009863 impact test Methods 0.000 claims 4
- 230000000379 polymerizing effect Effects 0.000 claims 4
- 238000000034 method Methods 0.000 claims 3
- 229920000642 polymer Polymers 0.000 claims 3
- 238000006116 polymerization reaction Methods 0.000 claims 3
- 238000010298 pulverizing process Methods 0.000 claims 3
- 229910052717 sulfur Inorganic materials 0.000 claims 3
- 125000004434 sulfur atom Chemical group 0.000 claims 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- 229920002845 Poly(methacrylic acid) Polymers 0.000 claims 2
- 238000004132 cross linking Methods 0.000 claims 2
- 239000010419 fine particle Substances 0.000 claims 2
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims 2
- 239000000243 solution Substances 0.000 claims 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical group OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 150000001735 carboxylic acids Chemical class 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 229940079826 hydrogen sulfite Drugs 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019204870 | 2019-11-12 | ||
| JP2019204870 | 2019-11-12 | ||
| PCT/JP2020/042263 WO2021095806A1 (ja) | 2019-11-12 | 2020-11-12 | 粒子状吸水剤およびその製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021095806A1 JPWO2021095806A1 (https=) | 2021-05-20 |
| JPWO2021095806A5 true JPWO2021095806A5 (https=) | 2022-07-19 |
| JP7296474B2 JP7296474B2 (ja) | 2023-06-22 |
Family
ID=75912696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021556147A Active JP7296474B2 (ja) | 2019-11-12 | 2020-11-12 | 粒子状吸水剤およびその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20220387971A1 (https=) |
| EP (1) | EP4059602A4 (https=) |
| JP (1) | JP7296474B2 (https=) |
| CN (1) | CN114728265B (https=) |
| WO (1) | WO2021095806A1 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12491495B2 (en) | 2021-01-14 | 2025-12-09 | Lg Chem, Ltd. | Method for preparing super absorbent polymer |
| JP7756731B2 (ja) * | 2022-02-04 | 2025-10-20 | 株式会社日本触媒 | 吸水性樹脂の重合方法 |
| JP2025511595A (ja) * | 2022-12-23 | 2025-04-16 | エルジー・ケム・リミテッド | 高吸水性樹脂およびその製造方法 |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3688418B2 (ja) | 1995-12-27 | 2005-08-31 | 株式会社日本触媒 | 吸水剤並びに衛生材料 |
| 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 |
| US6241928B1 (en) | 1998-04-28 | 2001-06-05 | Nippon Shokubai Co., Ltd. | Method for production of shaped hydrogel of absorbent resin |
| US6720389B2 (en) | 2000-09-20 | 2004-04-13 | Nippon Shokubai Co., Ltd. | Water-absorbent resin and production process therefor |
| JP3939988B2 (ja) * | 2002-01-16 | 2007-07-04 | 住友精化株式会社 | 吸水性樹脂の製造方法 |
| RU2299075C2 (ru) | 2003-02-10 | 2007-05-20 | Ниппон Сокубаи Ко., Лтд. | Гигроскопическая добавка |
| US7960469B2 (en) * | 2003-06-24 | 2011-06-14 | Nippon Shokubai Co., Ltd. | Water absorbent resin composition and production method thereof |
| JP3940103B2 (ja) | 2003-07-11 | 2007-07-04 | 住友精化株式会社 | 吸水性樹脂組成物 |
| US9796853B2 (en) * | 2003-07-25 | 2017-10-24 | Nippon Shokubai Co., Ltd. | Water-absorbent resin composition and method for producing thereof, and absorbent material and absorbent product using thereof |
| DE602005009599D1 (de) | 2004-03-24 | 2008-10-23 | Nippon Catalytic Chem Ind | Kontinuierliches Herstellungsverfahren für Wasser-absorbierendes Harz |
| DE102005014291A1 (de) | 2005-03-24 | 2006-09-28 | Basf Ag | Verfahren zur Herstellung wasserabsorbierender Polymere |
| WO2008114847A1 (en) * | 2007-03-16 | 2008-09-25 | Nippon Shokubai Co., Ltd. | Water absorbent resin production method and usage thereof |
| SA08290402B1 (ar) | 2007-07-04 | 2014-05-22 | نيبون شوكوباي كو. ، ليمتد | عامل دقائقي ماص للماء وطريقة لتصنيعه |
| SA08290542B1 (ar) * | 2007-08-28 | 2012-11-14 | نيبون شوكوباي كو. ، ليمتد | طريقة لإنتاج راتنج ماص للماء |
| SA08290556B1 (ar) | 2007-09-07 | 2012-05-16 | نيبون شوكوباي كو. ، ليمتد | طريقة لربط راتنجات ممتصة للماء |
| EP2471847B2 (en) | 2009-08-28 | 2018-01-03 | Nippon Shokubai Co., Ltd. | Process for production of water-absorbable resin |
| WO2011040530A1 (ja) | 2009-09-30 | 2011-04-07 | 株式会社日本触媒 | 粒子状吸水剤及びその製造方法 |
| JP5658229B2 (ja) | 2010-03-08 | 2015-01-21 | 株式会社日本触媒 | 粒子状含水ゲル状架橋重合体の乾燥方法 |
| CN102822209B (zh) | 2010-04-07 | 2014-09-03 | 株式会社日本触媒 | 聚丙烯酸(盐)系吸水性树脂粉末的制造方法、聚丙烯酸(盐)系吸水性树脂粉末 |
| JP5599513B2 (ja) * | 2011-06-29 | 2014-10-01 | 株式会社日本触媒 | ポリアクリル酸（塩）系吸水性樹脂粉末及びその製造方法 |
| WO2014054656A1 (ja) * | 2012-10-01 | 2014-04-10 | 株式会社日本触媒 | 多元金属化合物からなる粉塵低減剤、多元金属化合物を含む吸水剤及びその製造方法 |
| JP2016112475A (ja) * | 2013-04-05 | 2016-06-23 | 株式会社日本触媒 | ポリ（メタ）アクリル酸塩系吸水性樹脂を主成分とする吸水剤及びその製造方法 |
| WO2015053372A1 (ja) | 2013-10-09 | 2015-04-16 | 株式会社日本触媒 | 吸水性樹脂を主成分とする粒子状吸水剤及びその製造方法 |
| US10207250B2 (en) | 2014-02-28 | 2019-02-19 | Nippon Shokubai Co., Ltd. | Poly(meth)acrylic acid (salt)-based particulate absorbent |
| EP3318324B1 (en) * | 2015-07-01 | 2021-08-25 | Nippon Shokubai Co., Ltd. | Particulate water absorbing agent |
| CN109310984A (zh) * | 2016-03-28 | 2019-02-05 | 株式会社日本触媒 | 吸水剂的制造方法 |
| JP2019204870A (ja) | 2018-05-23 | 2019-11-28 | 京セラ株式会社 | 太陽電池素子および太陽電池素子の製造方法 |
-
2020
- 2020-11-12 US US17/774,097 patent/US20220387971A1/en active Pending
- 2020-11-12 JP JP2021556147A patent/JP7296474B2/ja active Active
- 2020-11-12 EP EP20888261.3A patent/EP4059602A4/en active Pending
- 2020-11-12 WO PCT/JP2020/042263 patent/WO2021095806A1/ja not_active Ceased
- 2020-11-12 CN CN202080078727.5A patent/CN114728265B/zh active Active
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