JP2022504320A - 高吸水性樹脂の製造方法 - Google Patents
高吸水性樹脂の製造方法 Download PDFInfo
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Abstract
Description
本出願は、2019年9月18日付の韓国特許出願第10-2019-0114791号および2020年8月7日付の韓国特許出願第10-2020-0099394号に基づく優先権の利益を主張し、当該韓国特許出願の文献に開示されたすべての内容は本明細書の一部として含まれる。
前記高吸水性樹脂粒子に、ポリオキシアルキレン脂肪族炭化水素エーテルカルボン酸を含む添加剤および水を混合して加水高吸水性樹脂を形成する段階を含む、高吸水性樹脂の製造方法を提供する。
前記高吸水性樹脂粒子に、ポリオキシアルキレン脂肪族炭化水素エーテルカルボン酸を含む添加剤および水を混合して加水高吸水性樹脂を形成する段階を含む、高吸水性樹脂の製造方法が提供される。
R1-COOM1
R1は、不飽和結合を含む炭素数2~5のアルキル基であり、
M1は、水素原子、1価または2価金属、アンモニウム基または有機アミン塩である。
実施例1:高吸水性樹脂の製造
アクリル酸100g、32%苛性ソーダ123.5g、熱重合開始剤の過硫酸ナトリウム0.2g、光重合開始剤のジフェニル(2,4,6-トリメチルベンゾイル)-ホスフィンオキシド0.008g、内部架橋剤のポリエチレングリコールジアクリレート2.25gおよび水59.0gを混合して、全固形分濃度が45重量%の単量体組成物を製造した。前記単量体組成物を10cmの幅および2mの長さを有し、50cm/minの速度で回転する回転式ベルト上に、500mL/min~2000mL/minの速度で供給した。前記供給された単量体組成物に10mW/cm2の強度で紫外線を照射して60秒間架橋重合を進行させた。
前記ポリオキシエチレン(3)ラウリルエーテルカルボン酸の代わりに、ポリオキシエチレン(5)ラウリルエーテルカルボン酸を同量用いたことを除けば、実施例1と同様の方法で高吸水性樹脂の最終製品を得た。
前記ポリオキシエチレン(3)ラウリルエーテルカルボン酸の代わりに、ポリオキシエチレン(7)ラウリルエーテルカルボン酸を同量用いたことを除けば、実施例1と同様の方法で高吸水性樹脂の最終製品を得た。
前記ポリオキシエチレン(3)ラウリルエーテルカルボン酸の代わりに、ポリオキシエチレン(10)ラウリルエーテルカルボン酸を同量用いたことを除けば、実施例1と同様の方法で高吸水性樹脂の最終製品を得た。
高吸水性樹脂粒子は実施例1と同様の方法で製造した。ただし、実施例1で追加的に行われた超純水およびポリオキシエチレン(3)ラウリルエーテルカルボン酸の混合溶液を投与および混合する段階、後の追加乾燥および分級段階を進行させず、前記高吸水性樹脂粒子自体を比較例1の高吸水性樹脂の最終製品とした。
まず、高吸水性樹脂粒子は実施例1と同様の方法で製造した。
前記ポリオキシエチレン(3)ラウリルエーテルカルボン酸の代わりに、大韓民国公開特許第2015-0143167号の製造例1に開示されたポリカルボン酸共重合体0.0250gを用いたことを除けば、実施例1と同様の方法で高吸水性樹脂の最終製品を得た。
前記ポリオキシエチレン(3)ラウリルエーテルカルボン酸の代わりに、Mw600のポリエチレングリコール0.25gを用いたことを除けば、実施例1と同様の方法で高吸水性樹脂の最終製品を得た。
前記実施例および比較例で製造した高吸水性樹脂に対して、下記の方法で諸物性を測定し、その結果を下記表1に示した。
まず、高吸水性樹脂中に150~850μmの粒径を有するもの(#20~100の標準篩の間)を取って、欧州不織布産業協会(European Disposables and Nonwovens Association、EDANA)規格EDANA WSP241.3により、無荷重下吸水倍率による遠心分離保水能(CRC)を測定した。
CRC(g/g)={[W2(g)-W1(g)-W0(g)]/W0(g)}
粒度分布の測定のために、ASTM規格の標準網篩を用いて、高吸水性樹脂を分級した。より具体的には、目のサイズがそれぞれ850μm、600μm、300μm、150μmの標準網篩を順次に積層した後、最も上に高吸水性樹脂100gを入れて、sieve shaker(AS200)にセッティングした。Amplitude1.0mm/gで10分間分級を進行させた。それぞれの標準網篩の間に残っている高吸水性樹脂を取り出して重量を測り、百分率で計算して、高吸水性樹脂の粒度分布を算出した。
高吸水性樹脂を赤外線加熱しながら乾燥する過程で、高吸水性樹脂中の水分蒸発による重量減少分を測定して計算された値で測定した。この時、乾燥条件は、常温から約140℃まで温度を上昇させた後、140℃で維持する方式で、総乾燥時間は10分に設定した。前記重量減少分の測定結果から含水率を算出した。
Claims (10)
- 少なくとも一部が中和された酸性基を有する水溶性エチレン系不飽和単量体の架橋重合体を含むベース樹脂粉末と、前記架橋重合体が追加架橋されて前記ベース樹脂粉末の表面に形成された表面架橋層とを含む高吸水性樹脂粒子を提供する段階;および
前記高吸水性樹脂粒子に、ポリオキシアルキレン脂肪族炭化水素エーテルカルボン酸を含む添加剤および水を混合して加水高吸水性樹脂を形成する段階を含む、高吸水性樹脂の製造方法。 - 前記添加剤は、ポリオキシエチレン(繰り返し数=1~20)脂肪族アルキルエーテルカルボン酸を含む、請求項1に記載の高吸水性樹脂の製造方法。
- 前記添加剤に結合した脂肪族アルキルは、10~30の炭素数を有する、請求項1または2に記載の高吸水性樹脂の製造方法。
- 前記添加剤は、前記高吸水性樹脂粒子の重量を基準として、5~20,000ppmwの含有量で混合される、請求項1から3のいずれか一項に記載の高吸水性樹脂の製造方法。
- 前記水は、前記高吸水性樹脂粒子の100重量部に対して、1~10重量部の含有量で混合される、請求項1から4のいずれか一項に記載の高吸水性樹脂の製造方法。
- 前記添加剤および水の混合段階は、40~80℃の温度で行われる、請求項1から5のいずれか一項に記載の高吸水性樹脂の製造方法。
- 前記添加剤および水の混合段階の後に、前記加水高吸水性樹脂を乾燥および分級する段階をさらに含み、
前記乾燥および分級された高吸水性樹脂は、150~850μmの粒径と、1~2.5重量%の含水率を有する、請求項1から6のいずれか一項に記載の高吸水性樹脂の製造方法。 - 前記分級過程で除去される850μm超過の粒径を有する粒子は、前記乾燥した高吸水性樹脂の全重量を基準として、5重量%未満になる、請求項7に記載の高吸水性樹脂の製造方法。
- 前記乾燥および分級された高吸水性樹脂は、生理食塩水(0.9重量%の塩化ナトリウム水溶液)に対する30分間の遠心分離保水能(CRC)が30~45g/gである、請求項7または8に記載の高吸水性樹脂の製造方法。
- 前記乾燥および分級された高吸水性樹脂を移送する段階をさらに含む、請求項7から9のいずれか一項に記載の高吸水性樹脂の製造方法。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007077393A (ja) * | 2005-08-17 | 2007-03-29 | Nippon Shokubai Co Ltd | 吸水性樹脂の製造方法および吸水性樹脂、並びにその利用 |
JP2009051952A (ja) * | 2007-08-28 | 2009-03-12 | San-Dia Polymer Ltd | 吸収性樹脂粒子、吸収体及び吸収性物品 |
US20120058267A1 (en) * | 2009-05-18 | 2012-03-08 | Basf Se | Coating Process for Water-Absorbing Polymer Particles |
CN106893119A (zh) * | 2017-02-04 | 2017-06-27 | 万华化学集团股份有限公司 | 由吸水树脂细粉末制备吸水树脂颗粒的方法 |
JP2018203997A (ja) * | 2017-05-30 | 2018-12-27 | 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 |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2902201B2 (ja) | 1991-03-18 | 1999-06-07 | ストックハウゼン ルイジアナ リミティド | 超吸収性ポリマーの残留アクリル酸含量を低下させる方法 |
GB9107952D0 (en) * | 1991-04-15 | 1991-05-29 | Dow Rheinmuenster | Surface crosslinked and surfactant coated absorbent resin particles and method of preparation |
JPH08120013A (ja) | 1994-10-20 | 1996-05-14 | Nippon Synthetic Chem Ind Co Ltd:The | 高吸水性樹脂の製造法 |
JP3103754B2 (ja) | 1995-10-31 | 2000-10-30 | 三洋化成工業株式会社 | 改質された吸水性樹脂粒子およびその製法 |
KR100333972B1 (ko) | 1999-05-24 | 2002-04-24 | 송성원 | 흡수성 수지조성물 및 그의 제조방법 |
US6414214B1 (en) | 1999-10-04 | 2002-07-02 | Basf Aktiengesellschaft | Mechanically stable hydrogel-forming polymers |
EP1462473B1 (en) | 2003-03-14 | 2011-07-06 | Nippon Shokubai Co., Ltd. | Surface crosslinking method of water-absorbing resin powder |
US7169843B2 (en) | 2003-04-25 | 2007-01-30 | Stockhausen, Inc. | Superabsorbent polymer with high permeability |
JP5765884B2 (ja) | 2006-09-25 | 2015-08-19 | アーチャー−ダニエルズ−ミッドランド カンパニー | 超吸収性表面処理カルボキシアルキル化多糖類及びその製造方法 |
JP5611523B2 (ja) | 2007-03-29 | 2014-10-22 | 株式会社日本触媒 | 粒子状吸水剤及びその製造方法 |
DE102007024080A1 (de) | 2007-05-22 | 2008-11-27 | Evonik Stockhausen Gmbh | Verfahren zum schonenden Mischen und Beschichten von Superabsorbern |
EP2200668A2 (en) | 2007-09-13 | 2010-06-30 | Basf Se | Process for producing antimicrobial-coated superabsorbents |
JP2010241975A (ja) | 2009-04-07 | 2010-10-28 | San-Dia Polymer Ltd | 吸収性樹脂粒子、これを含む吸収体及び吸収性物品 |
JP2011092930A (ja) | 2009-09-29 | 2011-05-12 | Nippon Shokubai Co Ltd | 吸水剤及びその製造方法 |
EP2752430B1 (en) | 2011-08-30 | 2016-07-06 | Sumitomo Seika Chemicals CO. LTD. | Method for producing water-absorbent resin, and water-absorbent resin obtained by same |
WO2013122246A1 (ja) * | 2012-02-17 | 2013-08-22 | 株式会社日本触媒 | ポリアクリル酸(塩)系吸水性樹脂およびその製造方法 |
CN110698696A (zh) * | 2012-12-03 | 2020-01-17 | 株式会社日本触媒 | 聚丙烯酸(盐)系吸水性树脂及含有其的物品 |
US9809742B2 (en) * | 2013-05-07 | 2017-11-07 | Baker Hughes, A Ge Company, Llc | Hydraulic fracturing composition, method for making and use of same |
EP3018149B1 (en) * | 2013-09-30 | 2018-05-30 | LG Chem, Ltd. | Method for preparing super absorbent resin |
CN106029220B (zh) | 2014-02-28 | 2020-08-18 | 株式会社日本触媒 | 聚(甲基)丙烯酸(盐)系颗粒状吸水剂和制造方法 |
CN106164101B (zh) * | 2014-03-26 | 2017-12-05 | 住友精化株式会社 | 用于制造吸水性树脂粒子的方法 |
KR20150141425A (ko) | 2014-06-10 | 2015-12-18 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
KR101684649B1 (ko) * | 2014-06-13 | 2016-12-08 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 및 이를 통해 제조된 고흡수성 수지 |
US11680184B2 (en) | 2014-07-25 | 2023-06-20 | Evonik Superabsorber Gmbh | Anti-stick processing aids and use thereof in the production of water-absorbing particles |
KR101967807B1 (ko) * | 2014-12-23 | 2019-04-10 | 주식회사 엘지화학 | 파쇄 저항성 고흡수성 수지 및 그 제조 방법 |
KR101949455B1 (ko) | 2015-01-07 | 2019-02-18 | 주식회사 엘지화학 | 내고화성이 향상된 고흡수성 수지 및 그 제조 방법 |
KR101855353B1 (ko) * | 2015-06-09 | 2018-05-08 | 주식회사 엘지화학 | 고흡수성 수지의 미분 재조립체를 포함하는 고흡수성 수지의 제조 방법 및 이로부터 제조된 고흡수성 수지 |
KR102075737B1 (ko) * | 2016-03-11 | 2020-02-10 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법, 및 고흡수성 수지 |
WO2017155173A1 (ko) * | 2016-03-11 | 2017-09-14 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법, 및 고흡수성 수지 |
KR102069312B1 (ko) * | 2016-06-27 | 2020-01-22 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 및 고흡수성 수지 |
KR102487977B1 (ko) | 2017-07-28 | 2023-01-11 | 주식회사 엘지화학 | 고흡수성 수지 및 그 제조 방법 |
KR102566286B1 (ko) | 2017-12-11 | 2023-08-11 | 주식회사 엘지화학 | 고흡수성 수지 및 이의 제조 방법 |
WO2019117541A1 (ko) | 2017-12-11 | 2019-06-20 | 주식회사 엘지화학 | 고흡수성 수지 및 이의 제조 방법 |
KR20190069103A (ko) * | 2017-12-11 | 2019-06-19 | 주식회사 엘지화학 | 고흡수성 수지 및 이의 제조 방법 |
KR102555380B1 (ko) | 2018-01-19 | 2023-07-12 | 주식회사 엘지화학 | 고흡수성 수지 및 이의 제조 방법 |
WO2022114610A1 (ko) * | 2020-11-27 | 2022-06-02 | 주식회사 엘지화학 | 고흡수성 수지 및 이의 제조 방법 |
-
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007077393A (ja) * | 2005-08-17 | 2007-03-29 | Nippon Shokubai Co Ltd | 吸水性樹脂の製造方法および吸水性樹脂、並びにその利用 |
JP2009051952A (ja) * | 2007-08-28 | 2009-03-12 | San-Dia Polymer Ltd | 吸収性樹脂粒子、吸収体及び吸収性物品 |
US20120058267A1 (en) * | 2009-05-18 | 2012-03-08 | Basf Se | Coating Process for Water-Absorbing Polymer Particles |
JP2012527502A (ja) * | 2009-05-18 | 2012-11-08 | ビーエーエスエフ ソシエタス・ヨーロピア | 吸水性ポリマー粒子のための被覆方法 |
CN106893119A (zh) * | 2017-02-04 | 2017-06-27 | 万华化学集团股份有限公司 | 由吸水树脂细粉末制备吸水树脂颗粒的方法 |
JP2018203997A (ja) * | 2017-05-30 | 2018-12-27 | 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 |
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