JP6157534B2 - 吸水性ポリマー粒子の分級法 - Google Patents
吸水性ポリマー粒子の分級法 Download PDFInfo
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- JP6157534B2 JP6157534B2 JP2015081511A JP2015081511A JP6157534B2 JP 6157534 B2 JP6157534 B2 JP 6157534B2 JP 2015081511 A JP2015081511 A JP 2015081511A JP 2015081511 A JP2015081511 A JP 2015081511A JP 6157534 B2 JP6157534 B2 JP 6157534B2
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- water
- polymer particles
- absorbing polymer
- sieving
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- 238000000034 method Methods 0.000 title claims description 47
- 238000007873 sieving Methods 0.000 claims description 46
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- 238000006116 polymerization reaction Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 12
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- 238000002156 mixing Methods 0.000 claims description 5
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- 239000007788 liquid Substances 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 29
- 239000000499 gel Substances 0.000 description 18
- 239000000203 mixture Substances 0.000 description 17
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 13
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 13
- 239000003431 cross linking reagent Substances 0.000 description 13
- 238000001035 drying Methods 0.000 description 12
- -1 nicotinyl Chemical group 0.000 description 12
- 239000000017 hydrogel Substances 0.000 description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
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- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 8
- 239000003999 initiator Substances 0.000 description 8
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- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 8
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
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- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical class CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 5
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- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
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- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 3
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- SBGKURINHGJRFN-UHFFFAOYSA-N hydroxymethanesulfinic acid Chemical compound OCS(O)=O SBGKURINHGJRFN-UHFFFAOYSA-N 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
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- 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 description 2
- LEJBBGNFPAFPKQ-UHFFFAOYSA-N 2-(2-prop-2-enoyloxyethoxy)ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOC(=O)C=C LEJBBGNFPAFPKQ-UHFFFAOYSA-N 0.000 description 2
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 description 2
- BXAAQNFGSQKPDZ-UHFFFAOYSA-N 3-[1,2,2-tris(prop-2-enoxy)ethoxy]prop-1-ene Chemical compound C=CCOC(OCC=C)C(OCC=C)OCC=C BXAAQNFGSQKPDZ-UHFFFAOYSA-N 0.000 description 2
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 2
- ZMGMDXCADSRNCX-UHFFFAOYSA-N 5,6-dihydroxy-1,3-diazepan-2-one Chemical compound OC1CNC(=O)NCC1O ZMGMDXCADSRNCX-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 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 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
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- GVJHHUAWPYXKBD-UHFFFAOYSA-N d-alpha-tocopherol Natural products OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 2
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- VPYJNCGUESNPMV-UHFFFAOYSA-N triallylamine Chemical compound C=CCN(CC=C)CC=C VPYJNCGUESNPMV-UHFFFAOYSA-N 0.000 description 2
- LGPAKRMZNPYPMG-UHFFFAOYSA-N (3-hydroxy-2-prop-2-enoyloxypropyl) prop-2-enoate Chemical class C=CC(=O)OC(CO)COC(=O)C=C LGPAKRMZNPYPMG-UHFFFAOYSA-N 0.000 description 1
- OYELEBBISJGNHJ-UHFFFAOYSA-N 1,3-oxazinan-2-one Chemical compound O=C1NCCCO1 OYELEBBISJGNHJ-UHFFFAOYSA-N 0.000 description 1
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- HSOOIVBINKDISP-UHFFFAOYSA-N 1-(2-methylprop-2-enoyloxy)butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(CCC)OC(=O)C(C)=C HSOOIVBINKDISP-UHFFFAOYSA-N 0.000 description 1
- GDGUCRQNTDPGSD-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)CO.OCC(CO)(CO)CO GDGUCRQNTDPGSD-UHFFFAOYSA-N 0.000 description 1
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
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- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 description 1
- TURITJIWSQEMDB-UHFFFAOYSA-N 2-methyl-n-[(2-methylprop-2-enoylamino)methyl]prop-2-enamide Chemical compound CC(=C)C(=O)NCNC(=O)C(C)=C TURITJIWSQEMDB-UHFFFAOYSA-N 0.000 description 1
- WDGCBNTXZHJTHJ-UHFFFAOYSA-N 2h-1,3-oxazol-2-id-4-one Chemical class O=C1CO[C-]=N1 WDGCBNTXZHJTHJ-UHFFFAOYSA-N 0.000 description 1
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- JAYRGGYYLFXBOK-UHFFFAOYSA-N 5-(2-hydroxyethyl)-2H-1,3-oxazol-2-id-4-one Chemical compound OCCC1C(N=[C-]O1)=O JAYRGGYYLFXBOK-UHFFFAOYSA-N 0.000 description 1
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- 238000000265 homogenisation Methods 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000002175 menstrual effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- MENOBBYDZHOWLE-UHFFFAOYSA-N morpholine-2,3-dione Chemical compound O=C1NCCOC1=O MENOBBYDZHOWLE-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
- 239000004745 nonwoven fabric Substances 0.000 description 1
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 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
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 229940085991 phosphate ion Drugs 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000962 poly(amidoamine) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 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
- 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
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000010334 sieve classification Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical class OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical class OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Combined Means For Separation Of Solids (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Description
測定は、別に記載がない限り、23±2℃の環境温度および50±10%の相対空気湿度で実施される。吸水性ポリマー粒子は、測定前に良く混和する。
0.3psi(2070Pa)の圧力負荷下での膨潤されたゲル層の透過性は、EP−A−0640330中の記載と同様に、高吸収性のポリマーからなる膨潤したゲル層のゲル層透過性として測定され、この場合上記の特許出願明細書第19頁および図8に記載の装置は、ガラスフリット(40)がもはや使用されず、プランジャー(39)が円筒体(37)と同様のプラスチック材料からなり、今や全載置面にわたって均一に分布するように21個の同じ大きさの孔を含むように十分に変更した。測定の方法および評価は、EP−A0640330号に対して不変のままである。通過流量は、自動的に捕捉される。
SFC(cm3s/g]=(Fg(t=0)×L0)/(d×A×WP)
上記式中、Fg(t=0)は、g/秒でのNaCl溶液の流量であり、これは、流量測定のデータFg(t)の線形の回帰分析に基づいてt=0に対する外挿法によって得られ、L0は、cmでのゲル層の厚さであり、dは、g/cm3でのNaCl溶液の比重であり、Aは、cm2でのゲル層の面積であり、かつWPは、dyn/cm2でのゲル層上の静水圧力である。
吸水性ポリマー粒子の製造
水と、50質量%の苛性ソーダ液と、アクリル酸との連続的な混合によって、38.8質量%のアクリル酸/アクリル酸ナトリウム溶液が製造され、その中和度は71.3モル%であった。該モノマー溶液の固体含有率は、38.8質量%であった。該モノマー溶液を、それらの成分の混合の後に熱交換器によって連続的に冷却した。
過酸化水素(1トンのモノマー溶液当たりに1.03kg(0.25質量%))、
ペルオキソ二硫酸ナトリウム(1トンのモノマー溶液当たりに3.10kg(15質量%))、並びに
アスコルビン酸(1トンのモノマー溶液当たりに1.05kg(1質量%))。
20t/hのモノマー溶液
40kg/hのポリエチレングリコール−400−ジアクリレート
82.6kg/hの過酸化水素溶液/ペルオキソ二硫酸ナトリウム溶液
21kg/hのアスコルビン酸溶液
架橋剤と開始剤の添加点の間で、モノマー溶液を窒素によって不活性化した。
7.5t/hの吸水性ポリマー粒子(ベースポリマー)
308.25kg/hの後架橋剤溶液
引き続き、NARA−パドル式乾燥器(GMF Gouda社、Waddinxveen,NL)中で150℃で60分間乾燥させ、後架橋させた。
混合物Iと小粒Aとからなる質量比4:1の均質な混合物を製造した(混合物II)。
混合物Iと小粒(小粒A及び小粒Bからの混合物)とからなる質量比2:1の均質な混合物を製造した(混合物IV)。
Claims (18)
- 膨潤ゲルベッドにおける液体通過性を有する吸水性ポリマー粒子の分級法であってポリマー粒子がn、n−1、n−2又はn−3個の粒度分級物に分離され、かつ当該粒度分級物の個数が1より大きい整数である方法において、少なくともn個の篩いを使用し、かつn個の篩いのメッシュ幅が生成物流方向で減少し、nが2より大きく、かつ生成物流方向で続けて生ずる少なくとも2つの篩別分級物を1つの粒度分級物にまとめ、その際、前記の篩別分級物が生ずる篩いのメッシュ幅が、それぞれ少なくとも150μmだけ異なり(但し、混合比率が予め決められている前記少なくとも2つの篩別分級物を1つの粒度分級物にまとめる場合を除く)、かつn個の篩いを有する少なくとも1つの篩別機を使用す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、少なくとも(n+1)個の篩いを使用することを特徴とする方法。
- 請求項1又は2に記載の方法において、生成物流方向に最初に生ずる少なくとも2つの篩別分級物を、1つの粒度分級物にまとめ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、生成物流方向で最初に生ずる少なくとも2つの篩別分級物を、1つの粒度分級物にまとめる際、前記の篩別分級物が生ずる篩いのメッシュ幅が、それぞれ少なくとも200μmだけ異な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、吸水性ポリマー粒子が、分級の間に、少なくとも40℃の温度を有す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、減圧下で分級させ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、分級に際しての吸水性ポリマー粒子の1時間あたりの流量が、篩い面積1m2当たりに少なくとも100kg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、分級に際しての吸水性ポリマー粒子の1時間あたりの流量が、篩い面積1m2当たりに少なくとも150kgであ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、分級に際しての吸水性ポリマー粒子の1時間あたりの流量が、篩い面積1m2当たりに少なくとも200kgであ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項に記載の方法において、分級に際しての吸水性ポリマー粒子の1時間あたりの流量が、篩い面積1m2当たりに少なくとも250kgであることを特徴とする方法。
- 請求項1から10までのいずれか1項に記載の方法において、分級に際しての吸水性ポリマー粒子の1時間あたりの流量が、篩い面積1m2当たりに少なくとも300kgであることを特徴とする方法。
- 請求項1から11までのいずれか1項に記載の方法において、吸水性ポリマー粒子が、分級の間に、ガス流によって流通されることを特徴とする方法。
- 請求項12に記載の方法において、該ガス流が40〜120℃の温度を有することを特徴とする方法。
- 請求項12又は13に記載の方法において、該ガス流が、5g/kg未満の水蒸気含有率を有することを特徴とする方法。
- 請求項1から14までのいずれか1項に記載の方法において、吸水性ポリマー粒子が、水性モノマー溶液の重合によって得られることを特徴とする方法。
- 請求項1から15までのいずれか1項に記載の方法において、吸水性ポリマー粒子が、少なくとも50モル%までが、少なくとも部分的に中和された重合されたアクリル酸を含有することを特徴とする方法。
- 請求項1から16までのいずれか1項に記載の方法において、吸水性ポリマー粒子が、少なくとも15g/gの遠心保持能力を有することを特徴とする方法。
- 請求項1から17までのいずれか1項に記載の方法において、前記まとめられた粒度分級物中の粒子の膨潤ゲルベッドにおける液体通過性が、少なくとも22×10−7cm3s/gであることを特徴とする方法。
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EP (1) | EP2076338B2 (ja) |
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CN (1) | CN101516531B (ja) |
WO (1) | WO2008037675A1 (ja) |
Cited By (2)
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Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008123477A1 (en) * | 2007-03-26 | 2008-10-16 | Nippon Shokubai Co., Ltd. | Classification method of particulate water absorbent resin |
EP2235093B1 (en) * | 2007-12-19 | 2015-04-22 | Basf Se | Process for producing surface-crosslinked superabsorbents |
JP5635397B2 (ja) | 2008-03-13 | 2014-12-03 | 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の製造方法 |
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US8608096B2 (en) | 2009-02-18 | 2013-12-17 | Basf Se | Method for the production of water-absorbing polymer particles |
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WO2011042468A2 (de) * | 2009-10-09 | 2011-04-14 | Basf Se | Verfahren zur nachbefeuchtung oberflächennachvernetzter wasserabsorbierender polymerpartikel |
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WO2012144595A1 (ja) | 2011-04-20 | 2012-10-26 | 株式会社日本触媒 | ポリアクリル酸(塩)系吸水性樹脂の製造方法および製造装置 |
CN103946248B (zh) | 2011-11-16 | 2016-08-24 | 株式会社日本触媒 | 聚丙烯酸(盐)系吸水性树脂的制造方法 |
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EP2978462B1 (en) | 2013-03-28 | 2018-10-10 | Basf Se | Process for classifying water-absorbing polymer beads |
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KR102307135B1 (ko) * | 2015-02-24 | 2021-09-30 | 스미토모 세이카 가부시키가이샤 | 흡수성 수지 제조 장치 |
JP6577572B2 (ja) | 2015-04-02 | 2019-09-18 | 株式会社日本触媒 | ポリアクリル酸(塩)系吸水性樹脂を主成分とする粒子状吸水剤の製造方法 |
JP6800998B2 (ja) | 2016-11-16 | 2020-12-16 | 株式会社日本触媒 | 吸水性樹脂粉末の製造方法、並びに粒子状含水ゲルの乾燥装置及び乾燥方法 |
EP3661662A1 (en) | 2017-07-31 | 2020-06-10 | Basf Se | Classification process for superabsorbent polymer particles |
KR20210041516A (ko) * | 2019-10-07 | 2021-04-15 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
EP3943541A4 (en) * | 2020-01-20 | 2023-07-05 | Lg Chem, Ltd. | PROCESS FOR MAKING A SUPERABSORBENT POLYMER |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE562688A (ja) * | ||||
US2683533A (en) * | 1950-03-10 | 1954-07-13 | Huntley Mfg Company | Grain separator and cleaner |
US2960724A (en) * | 1956-03-09 | 1960-11-22 | Houilleres Du Nord Ets | Process for preparing, by a mechanical way, polyethylenes with homogeneous physico-chemical properties |
US3061095A (en) * | 1960-10-10 | 1962-10-30 | Process Engineers Inc | Machine for processing mineral material |
US3485364A (en) * | 1967-02-09 | 1969-12-23 | Dart Ind Inc | Classification of solid polymer pellets |
US3620368A (en) * | 1969-06-02 | 1971-11-16 | Dart Ind Inc | Classification of dry polymer beads |
US4013550A (en) * | 1975-07-22 | 1977-03-22 | United States Steel Corporation | Manufacture of thermoplastic resin beads |
US4192920A (en) * | 1978-07-24 | 1980-03-11 | Rohm And Haas Company | Uniform polymer beads and ion exchange resins therefrom prepared by post-crosslinking of lightly crosslinked beads |
DE3315991A1 (de) * | 1983-05-03 | 1984-11-08 | Dr. Küttner GmbH & Co KG, 4300 Essen | Verfahren und einrichtung zur bereitung von schuettgut mit definierter korngroessenverteilung |
DD256227A3 (de) † | 1985-09-23 | 1988-05-04 | Akad Wissenschaften Ddr | Siebmaschinensystem |
KR100240359B1 (ko) | 1991-04-12 | 2000-03-02 | 데이비드 엠 모이어 | 초흡수성 하이드로겔-형성 물질의 특정한 입경 분포를 갖는 흡수 구조물 |
JPH06246636A (ja) * | 1993-02-26 | 1994-09-06 | Eikichi Yamaharu | ブラスト装置およびこれを利用した金型仕上げ装置 |
US5599335A (en) † | 1994-03-29 | 1997-02-04 | The Procter & Gamble Company | Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer |
AU717286B2 (en) † | 1996-11-06 | 2000-03-23 | Sanyo Chemical Industries Ltd. | Water absorbing agent and absorbent material |
JP3875757B2 (ja) * | 1997-01-27 | 2007-01-31 | 株式会社日本触媒 | 粒子状親水性重合体の分級方法およびふるい分け装置 |
WO1998049221A1 (en) † | 1997-04-29 | 1998-11-05 | The Dow Chemical Company | Superabsorbent polymers having improved processability |
JP4583516B2 (ja) † | 1998-03-04 | 2010-11-17 | 株式会社日本触媒 | 吸水性樹脂、その製造方法および吸収性物品 |
US6036126A (en) * | 1998-12-09 | 2000-03-14 | Boehringer Ingelheim Pharmaceuticals, Inc. | Apparatus for separating particles of cohesive material according to size and process |
DE19909653A1 (de) † | 1999-03-05 | 2000-09-07 | Stockhausen Chem Fab Gmbh | Pulverförmige, vernetzte, wässrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung |
PT1242517E (pt) † | 1999-12-23 | 2005-06-30 | Mobius Technologies Inc | Processamento de espumas polimericas |
JP2001219155A (ja) * | 2000-02-07 | 2001-08-14 | Mitsubishi Heavy Ind Ltd | 汚染土壌前処理方法およびその装置ならびに汚染土壌無害化処理方法 |
DE10016041A1 (de) | 2000-03-31 | 2001-10-04 | Stockhausen Chem Fab Gmbh | Pulverförmige an der Oberfläche vernetzte Polymerisate |
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 |
JP3993797B2 (ja) * | 2001-07-06 | 2007-10-17 | 株式会社日本触媒 | 吸水性樹脂粉末、その製造方法およびその用途 |
JP2003320308A (ja) * | 2002-04-30 | 2003-11-11 | Sumitomo Chem Co Ltd | 水硬性粉体の造粒物の篩別方法および装置 |
US7193006B2 (en) † | 2002-12-06 | 2007-03-20 | Nippon Shokubai Co., Ltd. | Process for continuous production of water-absorbent resin product |
FR2863509B1 (fr) * | 2003-12-10 | 2007-07-13 | Galloo Plastics | Procede de separation selective de materiaux polymeres fragmentes en particulier usages, au moyen de suspensions aqueuses denses dynamiquement stabilises |
DE102004009438A1 (de) * | 2004-02-24 | 2005-09-15 | Basf Ag | Verfahren zur Oberflächennachvernetzung wasserabsorbierender Polymere |
CA2575074C (en) * | 2004-12-03 | 2009-09-01 | Green Arm Co., Ltd. | A method for continuous on-site recycling of an asphalt mixture layer of a pavement and a motor-driven vehicle system therefor |
DE102005001789A1 (de) * | 2005-01-13 | 2006-07-27 | Basf Ag | Verfahren zum Klassieren eines teilchenförmigen wasserabsorbierenden Harzes |
JP2008526502A (ja) * | 2005-01-18 | 2008-07-24 | 株式会社日本触媒 | 吸水剤およびその製造方法 |
JP2006247510A (ja) † | 2005-03-10 | 2006-09-21 | Fuji Xerox Co Ltd | 振動篩装置および電子写真用トナーの製造方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11718532B2 (en) | 2018-12-27 | 2023-08-08 | Kcindustrial Co., Ltd. | Preparation method of high purity SiC powder |
KR20210027946A (ko) * | 2019-09-03 | 2021-03-11 | 주식회사 케이씨인더스트리얼 | 고순도 SiC 분말의 제조방법 |
KR102270052B1 (ko) * | 2019-09-03 | 2021-06-28 | 주식회사 케이씨인더스트리얼 | 고순도 SiC 분말의 제조방법 |
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EP2076338B2 (de) | 2022-01-26 |
US20130098809A1 (en) | 2013-04-25 |
US8844729B2 (en) | 2014-09-30 |
CN101516531A (zh) | 2009-08-26 |
US8443982B2 (en) | 2013-05-21 |
JP5888836B2 (ja) | 2016-03-22 |
EP2076338B1 (de) | 2012-12-19 |
JP2015145507A (ja) | 2015-08-13 |
JP2010504211A (ja) | 2010-02-12 |
CN101516531B (zh) | 2014-05-21 |
WO2008037675A1 (de) | 2008-04-03 |
EP2076338A1 (de) | 2009-07-08 |
US20090266747A1 (en) | 2009-10-29 |
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