JP2009543921A - モノマー溶液の液滴の重合による、吸水性ポリマー粒子の製造方法 - Google Patents
モノマー溶液の液滴の重合による、吸水性ポリマー粒子の製造方法 Download PDFInfo
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- JP2009543921A JP2009543921A JP2009519940A JP2009519940A JP2009543921A JP 2009543921 A JP2009543921 A JP 2009543921A JP 2009519940 A JP2009519940 A JP 2009519940A JP 2009519940 A JP2009519940 A JP 2009519940A JP 2009543921 A JP2009543921 A JP 2009543921A
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- BSVQJWUUZCXSOL-UHFFFAOYSA-N cyclohexylsulfonyl ethaneperoxoate Chemical compound CC(=O)OOS(=O)(=O)C1CCCCC1 BSVQJWUUZCXSOL-UHFFFAOYSA-N 0.000 description 1
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- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 1
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- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 125000001792 phenanthrenyl group Chemical class C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 1
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- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
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- 239000000600 sorbitol Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920000247 superabsorbent polymer Polymers 0.000 description 1
- OPQYOFWUFGEMRZ-UHFFFAOYSA-N tert-butyl 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOC(=O)C(C)(C)C OPQYOFWUFGEMRZ-UHFFFAOYSA-N 0.000 description 1
- PFBLRDXPNUJYJM-UHFFFAOYSA-N tert-butyl 2-methylpropaneperoxoate Chemical compound CC(C)C(=O)OOC(C)(C)C PFBLRDXPNUJYJM-UHFFFAOYSA-N 0.000 description 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
- CSKKAINPUYTTRW-UHFFFAOYSA-N tetradecoxycarbonyloxy tetradecyl carbonate Chemical compound CCCCCCCCCCCCCCOC(=O)OOC(=O)OCCCCCCCCCCCCCC CSKKAINPUYTTRW-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 description 1
- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical class C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical class OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/04—Polymerisation in solution
- C08F2/10—Aqueous solvent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
- C08F2/50—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
- C08F222/103—Esters of polyhydric alcohols or polyhydric phenols of trialcohols, e.g. trimethylolpropane tri(meth)acrylate
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08F4/00—Polymerisation catalysts
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08F4/00—Polymerisation catalysts
- C08F4/04—Azo-compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08F4/00—Polymerisation catalysts
- C08F4/28—Oxygen or compounds releasing free oxygen
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- Absorbent Articles And Supports Therefor (AREA)
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Abstract
Description
a)少なくとも1つの水溶性のエチレン性不飽和モノマーと、
b)選択的に架橋剤と、
c)少なくとも1つの開始剤と、
d)少なくとも1つの更なる開始剤と、
e)水と
を含有するモノマー溶液の液滴の重合によって製造するための方法において、開始剤c)が、過硫酸塩を除くペルオキシドであり、かつ開始剤c)と開始剤d)とのモル比が少なくとも1:8であることを特徴とする方法によって解決された。
測定は、別に記載がない限り、23±2℃の環境温度及び50±10%の相対空気湿度で実施される。吸水性ポリマーは、測定前に良く混和する。
吸水性ポリマー粒子の残留モノマーは、EDANA(European Disposables and Nonwovens Association)によって推奨された試験方法No.410.2−02"残留モノマー(Residual monomers)"によって測定される。
吸水性ポリマー粒子の遠心保持能力は、EDANA(European Disposables and Nonwovens Association)によって推奨された試験方法No.441.2−02"遠心保持能力(Centrifuge retention capacity)"によって測定される。
吸水性ポリマー粒子の圧力下吸収は、EDANA(European Disposables and Nonwovens Association)によって推奨された試験方法No.442.2−02"圧力下吸収(Abdorption under pressure)"によって測定する。
吸水性ポリマー粒子の抽出可能分は、EDANA(欧州不織布工業会)によって推奨された試験方法第470.2−02"抽出分(Extractables)"によって測定される。
実施例1(比較)
14.275kgのアクリル酸ナトリウム(水中37.5質量%の溶液)及び1.367kgのアクリル酸を、0.358kgの水、22gの15エトキシ化されたトリメチロールプロパントリアクリレート及び80gのEDTA(水中のエチレンジアミン四酢酸のナトリウム塩の10質量%溶液)と混合した。該溶液を、33gの2,2′−アゾビス[2−(2−イミダゾリン−2−イル)プロパン]ジヒドロクロリド(水中3質量%の溶液)の添加後に、窒素雰囲気で充填され加熱された液滴化塔(Vertropfungsturm)内で液滴化した(180℃、12mの高さ、2mの幅、並流でガス速度0.1m/s)。計量供給速度は、16kg/hであった。液滴化プレートは、170μmの穿孔を37個有していた。液滴化プレートの直径は、65mmであった。開始剤を、液滴化装置の直前で、スタティックミキサを介してモノマー溶液と混合した。
残留モノマー 0.19質量%
CRC: 40g/g
AUL0.7psi 16g/g
抽出分 12質量%
実施例2
実施例1と同様に実施した。付加的に、55gの過酸化水素(水中3質量%の溶液)を計量供給した。
残留モノマー 0.16質量%
CRC: 36g/g
AUL0.7psi 20g/g
抽出分 9質量%
実施例3
実施例1と同様に実施した。付加的に、110gの過酸化水素(水中3質量%の溶液)を計量供給した。
残留モノマー 0.12質量%
CRC: 33g/g
AUL0.7psi 25g/g
抽出分 7質量%
Claims (12)
- 吸水性ポリマー粒子を、
a)少なくとも1つの水溶性のエチレン性不飽和モノマーと、
b)選択的に架橋剤と、
c)少なくとも1つの開始剤と、
d)少なくとも1つの更なる開始剤と、
e)水と
を含有するモノマー溶液の液滴の重合によって製造するための方法において、開始剤c)が、過硫酸塩を除くペルオキシドであり、かつ開始剤c)と開始剤d)とのモル比が少なくとも1:8であることを特徴とする方法。 - 請求項1に記載の方法において、モノマーa)が少なくとも1つの酸基を有することを特徴とする方法。
- 請求項2に記載の方法において、モノマーa)の酸基が、少なくとも部分的に中和されていることを特徴とする方法。
- 請求項1から3までのいずれか1項に記載の方法において、モノマー溶液が、モノマーa)に対して、0.5質量%未満の架橋剤b)を含有することを特徴とする方法。
- 請求項1から4までのいずれか1項に記載の方法において、開始剤c)がヒドロペルオキシドであることを特徴とする方法。
- 請求項1から5までのいずれか1項に記載の方法において、更なる開始剤d)が、アゾ化合物及び/又は光開始剤及び/又はレドックス開始剤であることを特徴とする方法。
- 請求項1から6までのいずれか1項に記載の方法において、開始剤c)と更なる開始剤d)とのモル比が、少なくとも1:1であることを特徴とする方法。
- 請求項1から7までのいずれか1項に記載の方法において、液滴が、少なくとも200μmの平均直径を有することを特徴とする方法。
- 請求項1から8までのいずれか1項に記載の方法において、液滴の少なくとも90質量%が、少なくとも100μmの直径を有することを特徴とする方法。
- 請求項1から9までのいずれか1項に記載の方法により得られる吸水性ポリマー粒子。
- 後架橋されていない吸水性ポリマー粒子であって、該ポリマー粒子が、4.83kPaの圧力下で、1gあたりに、少なくとも20gの0.9質量%食塩溶液を吸収する吸水性ポリマー粒子。
- 請求項10又は11に記載の吸水性ポリマー粒子を含有する衛生製品。
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EP06117492.6 | 2006-07-19 | ||
EP06117492 | 2006-07-19 | ||
PCT/EP2007/057140 WO2008009611A1 (de) | 2006-07-19 | 2007-07-12 | Verfahren zur herstellung wasserabsorbierender polymerpartikel durch polymerisation von tropfen einer monomerlösung |
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US (1) | US9777078B2 (ja) |
EP (1) | EP2046402B2 (ja) |
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JP2010518208A (ja) * | 2007-02-06 | 2010-05-27 | ビーエーエスエフ ソシエタス・ヨーロピア | モノマー溶液の液滴の重合による吸水性ポリマー粒子の製造法 |
JP2021517930A (ja) * | 2018-12-12 | 2021-07-29 | エルジー・ケム・リミテッド | 高吸水性樹脂の製造方法 |
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WO2008040715A2 (de) * | 2006-10-05 | 2008-04-10 | Basf Se | Verfahren zur herstellung wasserabsorbierender polymerpartikel durch polymerisation von tropfen einer monomerlösung |
JP5355419B2 (ja) | 2007-01-16 | 2013-11-27 | ビーエーエスエフ ソシエタス・ヨーロピア | 気相中の液滴の重合によるポリマー粒子を製造する方法 |
JP5719078B1 (ja) | 2014-07-11 | 2015-05-13 | 住友精化株式会社 | 吸水性樹脂の製造方法 |
CN111333774B (zh) * | 2020-04-14 | 2020-12-08 | 四川大学 | 基于香豆素骨架的抗菌水凝胶及其制备方法和应用 |
US20240101766A1 (en) | 2021-01-29 | 2024-03-28 | Nippon Shokubai Co., Ltd. | Method for producing water-absorbing resin |
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JP7305247B2 (ja) | 2018-12-12 | 2023-07-10 | エルジー・ケム・リミテッド | 高吸水性樹脂の製造方法 |
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US9777078B2 (en) | 2017-10-03 |
CN104592437A (zh) | 2015-05-06 |
JP5306197B2 (ja) | 2013-10-02 |
US20090318582A1 (en) | 2009-12-24 |
WO2008009611A1 (de) | 2008-01-24 |
CN101489597A (zh) | 2009-07-22 |
EP2046402A1 (de) | 2009-04-15 |
EP2046402B2 (de) | 2019-09-11 |
EP2046402B1 (de) | 2015-09-16 |
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