JP6991161B2 - 超吸収体の製造方法 - Google Patents
超吸収体の製造方法 Download PDFInfo
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- JP6991161B2 JP6991161B2 JP2018562525A JP2018562525A JP6991161B2 JP 6991161 B2 JP6991161 B2 JP 6991161B2 JP 2018562525 A JP2018562525 A JP 2018562525A JP 2018562525 A JP2018562525 A JP 2018562525A JP 6991161 B2 JP6991161 B2 JP 6991161B2
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- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 230000009477 glass transition Effects 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 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
- MENOBBYDZHOWLE-UHFFFAOYSA-N morpholine-2,3-dione Chemical compound O=C1NCCOC1=O MENOBBYDZHOWLE-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 1
- 150000002924 oxiranes Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-N peroxydisulfuric acid Chemical compound OS(=O)(=O)OOS(O)(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-N 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
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 239000004633 polyglycolic acid Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 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
- 238000000746 purification Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- VXYADVIJALMOEQ-UHFFFAOYSA-K tris(lactato)aluminium Chemical compound CC(O)C(=O)O[Al](OC(=O)C(C)O)OC(=O)C(C)O VXYADVIJALMOEQ-UHFFFAOYSA-K 0.000 description 1
- 235000019165 vitamin E Nutrition 0.000 description 1
- 239000011709 vitamin E Substances 0.000 description 1
- 229940046009 vitamin E Drugs 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
- 235000004835 α-tocopherol Nutrition 0.000 description 1
- 150000003772 α-tocopherols Chemical class 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
- B01J20/267—Cross-linked polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3021—Milling, crushing or grinding
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J2220/00—Aspects relating to sorbent materials
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- B01J2220/68—Superabsorbents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2333/00—Characterised by the use of homopolymers or 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 of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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Description
a)少なくとも部分的に中和されており、酸基を持つエチレン性不飽和モノマー、
b)少なくとも1種の架橋剤、
c)少なくとも1種の開始剤、
d)任意に、a)に挙げたモノマーと共重合性のエチレン性不飽和モノマー及び
e)任意に、1種以上の水溶性ポリマー
を含有するモノマー溶液又は懸濁液の重合による超吸収体の製造方法であって、
i)前記モノマー溶液又は懸濁液を重合する工程、
ii)任意に、工程i)において得られたポリマーゲルを粉砕する工程、
iii)工程i)又は工程ii)において得られたポリマーゲルを、複数の加熱ゾーン及び少なくとも1つの冷却ゾーンを有する空気循環バンド乾燥機中で乾燥させる工程、
iv)工程iii)において得られた乾燥させたポリマーゲルを破砕する工程、
v)任意に、工程iv)において得られたポリマー粒子を粗砕する工程、
vi)工程iv)又は工程v)において得られたポリマー粒子を空気輸送する工程、
vii)任意に、不完全乾燥のポリマー粒子を、工程vi)において得られたポリマー粒子から除去する工程、ここで、残りの乾燥されたポリマー粒子は、工程viii)、工程ix)又は工程x)においてさらに加工される、
viii)任意に、工程vi)又は工程vii)において得られたポリマー粒子を分級する工程、ここで、その粗粒分は、工程ix)又は工程x)に供給される、
ix)任意に、工程vi)、工程vii)又は工程viii)において得られたポリマー粒子を中間貯蔵する工程、
x)工程vi)、工程vii)、工程viii)又は工程ix)において得られたポリマー粒子のポリマー粒子を粉砕する工程、
xi)任意に、工程x)において得られたポリマー粒子を空気輸送する工程、
xii)工程x)又は工程xi)において得られたポリマー粒子を分級する工程及び
xiii)任意に、工程viii)及び/又は工程xii)において得られた分級されたポリマー粒子を表面後架橋する工程
を含み、
工程vi)における空気輸送の終了時のガス温度が、50~95℃、好ましくは53~90℃、特に好ましくは56~85℃、極めて特に好ましくは59~80℃であることによって特徴付けられる、
前記方法によって解決される。
該超吸収体は、工程i)において、モノマー溶液又は懸濁液の重合により製造され、通常、水不溶性である。
脱イオン水、50質量%カセイソーダ液及びアクリル酸の連続混合により、アクリル酸/アクリル酸ナトリウム溶液を製造したので、その中和度は71.3mol%に相当していた。該モノマー溶液の固形分は38.8質量%であった。
モノマー溶液 20t/h
ポリエチレングリコール-400-ジアクリレート 40kg/h
過酸化水素溶液/ペルオキソ二硫酸ナトリウム溶液 82.6kg/h
アスコルビン酸溶液 21kg/h。
ポリマー粒子 7.5t/h
表面後架橋剤溶液 270.0kg/h。
手順は例1の通りであった。該ポリマーゲルを、該空気循環バンド乾燥機の冷却ゾーン中で、100℃の代わりに80°に冷却した。該空気輸送1の終了時のガス温度は、75℃の代わりに60℃であった。
手順は例1の通りであった。該ポリマーゲルを、該空気循環バンド乾燥機の冷却ゾーン中で、100℃の代わりに60°に冷却した。該空気輸送1の終了時のガス温度は、75℃の代わりに40℃であった。
手順は例1の通りであった。該ポリマーゲルを、該空気循環バンド乾燥機の冷却ゾーン中で、100℃の代わりに140°に冷却した。該空気輸送1の終了時のガス温度は、75℃の代わりに110℃であった。
Claims (17)
- a)少なくとも部分的に中和されており、酸基を持つエチレン性不飽和モノマー、
b)少なくとも1種の架橋剤、
c)少なくとも1種の開始剤、
d)任意に、a)に挙げたモノマーと共重合性のエチレン性不飽和モノマー及び
e)任意に、1種以上の水溶性のポリマー
を含有するモノマー溶液又は懸濁液の重合により超吸収体を製造する方法であって、以下の工程:
i)モノマー溶液又は懸濁液を重合する工程、
ii)任意に、工程i)において得られたポリマーゲルを粉砕する工程、
iii)工程i)又は工程ii)において得られたポリマーゲルを、複数の加熱ゾーン及び少なくとも1つの冷却ゾーンを有する空気循環バンド乾燥機中で乾燥させる工程、
iv)工程iii)において得られた乾燥させたポリマーゲルを破砕する工程、
v)任意に、工程iv)において得られたポリマー粒子を粗砕する工程、
vi)工程iv)又は工程v)において得られたポリマー粒子を空気輸送する工程、
vii)任意に、不完全乾燥のポリマー粒子を、工程vi)において得られたポリマー粒子から除去する工程、ここで、残りの乾燥されたポリマー粒子は、工程viii)、工程ix)又は工程x)においてさらに加工される、
viii)任意に、工程vi)又は工程vii)において得られたポリマー粒子を分級する工程、ここで、その粗粒分は、前記工程ix)又は工程x)に供給される、
ix)任意に、工程vi)、工程vii)又は工程viii)において得られたポリマー粒子を中間貯蔵する工程、
x)工程vi)、工程vii)、工程viii)又は工程ix)において得られたポリマー粒子を粉砕する工程、
xi)任意に、工程x)において得られたポリマー粒子を空気輸送する工程、
xii)工程x)又は工程xi)において得られたポリマー粒子を分級する工程及び
xiii)任意に、工程viii)及び/又は工程xii)において得られた分級されたポリマー粒子を表面後架橋する工程
を含み、
工程vi)における空気輸送の終了時のガス温度が、50~95℃である
ことを特徴とする、超吸収体を製造する方法。 - 工程vi)において得られたポリマー粒子又は工程vii)において不完全乾燥のポリマー粒子の除去後の残りのポリマー粒子を、工程viii)において分級し、ここで、その粗粒分を、前記工程ix)又は工程x)に供給することを特徴とする、請求項1に記載の方法。
- 工程vi)における空気輸送の終了時のガス温度が、53~90℃であることを特徴とする、請求項1又は2に記載の方法。
- 工程vi)における空気輸送の終了時のガス温度が、56~85℃であることを特徴とする、請求項1~3のいずれかに記載の方法。
- 工程vi)における空気輸送の終了時のガス温度が、59~80℃であることを特徴とする、請求項1~4のいずれかに記載の方法。
- 工程iii)における乾燥の終了と工程vi)における空気輸送の終了との間の前記ポリマー粒子の滞留時間が、30分未満であることを特徴とする、請求項1~5のいずれかに記載の方法。
- 工程x)における前記ポリマー粒子の含水量が、1~10質量%であることを特徴とする、請求項1~6のいずれかに記載の方法。
- 工程iii)における少なくとも1つの冷却ゾーンの冷却出力を、工程vi)における空気輸送の終了時のガス温度の調節に使用することを特徴とする、請求項1~7のいずれかに記載の方法。
- 乾燥させた前記ポリマーゲルを、工程iv)において、スパイク付ローラー又は十字型ブレード式破砕機を用いて破砕することを特徴とする、請求項1~8のいずれかに記載の方法。
- 前記ポリマー粒子を、工程x)において、少なくとも1つの多段ロールミルを用いて粉砕することを特徴とする、請求項1~9のいずれかに記載の方法。
- 前記ポリマー粒子を、工程viii)及び/又は工程xii)において、少なくとも1つのタンブラーふるい機を用いて分級することを特徴とする、請求項1~10のいずれかに記載の方法。
- 工程iv)において得られたポリマー粒子を、工程v)において、少なくとも1つのロールクラッシャーを用いて粗砕することを特徴とする、請求項1~11のいずれかに記載の方法。
- 工程x)において得られたポリマー粒子を、工程xi)において空気輸送することを特徴とする、請求項1~12のいずれかに記載の方法。
- 工程vi)において得られたポリマー粒子から、工程vii)において、不完全乾燥のポリマー粒子を除去することを特徴とする、請求項1~13のいずれかに記載の方法。
- 工程vii)において得られたポリマー粒子を、工程viii)において分級することを特徴とする、請求項1~14のいずれかに記載の方法。
- 工程viii)及び/又は工程xii)において得られたポリマー粒子を、工程xiii)において表面後架橋することを特徴とする、請求項1~15のいずれかに記載の方法。
- 前記ポリマー粒子が、少なくとも15g/gの遠心機保持容量を有することを特徴とする、請求項1~16のいずれかに記載の方法。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008106218A (ja) | 2006-03-27 | 2008-05-08 | Nippon Shokubai Co Ltd | 吸水性樹脂組成物の製造方法 |
WO2009119756A1 (ja) | 2008-03-28 | 2009-10-01 | 株式会社日本触媒 | 吸水性樹脂粉体の輸送方法 |
WO2010032694A1 (ja) | 2008-09-16 | 2010-03-25 | 株式会社日本触媒 | 吸水性樹脂の製造方法および通液性向上方法 |
WO2010114058A1 (ja) | 2009-03-31 | 2010-10-07 | 株式会社日本触媒 | 粒子状吸水性樹脂の製造方法 |
JP2012505273A (ja) | 2008-10-07 | 2012-03-01 | エボニック シュトックハウゼン ゲゼルシャフト ミット ベシュレンクテル ハフツング | 超吸収性ポリマーの製造のための連続的方法 |
Family Cites Families (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6018690B2 (ja) | 1981-12-30 | 1985-05-11 | 住友精化株式会社 | 吸水性樹脂の吸水性改良方法 |
JPS58180233A (ja) | 1982-04-19 | 1983-10-21 | Nippon Shokubai Kagaku Kogyo Co Ltd | 吸収剤 |
US4734478A (en) | 1984-07-02 | 1988-03-29 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Water absorbing agent |
DE3713601A1 (de) | 1987-04-23 | 1988-11-10 | Stockhausen Chem Fab Gmbh | Verfahren zur herstellung eines stark wasserabsorbierenden polymerisats |
FI90554C (fi) | 1987-07-28 | 1994-02-25 | Dai Ichi Kogyo Seiyaku Co Ltd | Menetelmä akryylipolymeerigeelin jatkuvaksi valmistamiseksi |
WO1990015830A1 (en) | 1989-06-12 | 1990-12-27 | Weyerhaeuser Company | Hydrocolloid polymer |
AU637470B2 (en) | 1990-04-02 | 1993-05-27 | Nippon Shokubai Kagaku Kogyo Co. Ltd. | Method for production of fluid stable aggregate |
DE4020780C1 (ja) | 1990-06-29 | 1991-08-29 | Chemische Fabrik Stockhausen Gmbh, 4150 Krefeld, De | |
DE69217433T2 (de) | 1991-09-03 | 1997-06-26 | Hoechst Celanese Corp | Superabsorbierendes Polymer mit verbesserten Absorbiereigenschaften |
DE4138408A1 (de) | 1991-11-22 | 1993-05-27 | Cassella Ag | Hydrophile, hochquellfaehige hydrogele |
JP3045422B2 (ja) | 1991-12-18 | 2000-05-29 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
US5532323A (en) | 1992-03-05 | 1996-07-02 | Nippon Shokubai Co., Ltd. | Method for production of absorbent resin |
GB9208449D0 (en) | 1992-04-16 | 1992-06-03 | Dow Deutschland Inc | Crosslinked hydrophilic resins and method of preparation |
DE69412547T2 (de) | 1993-06-18 | 1999-04-22 | Nippon Shokubai Co. Ltd., Osaka | Verfahren zur Herstellung eines absorbierenden Harzes |
DE19543368C2 (de) | 1995-11-21 | 1998-11-26 | Stockhausen Chem Fab Gmbh | Wasserabsorbierende Polymere mit verbesserten Eigenschaften, Verfahren zu deren Herstellung und deren Verwendung |
DE19646484C2 (de) | 1995-11-21 | 2000-10-19 | Stockhausen Chem Fab Gmbh | Flüssigkeitsabsorbierende Polymere, Verfahren zu deren Herstellung und deren Verwendung |
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 |
DE19807502B4 (de) | 1998-02-21 | 2004-04-08 | Basf Ag | Verfahren zur Nachvernetzung von Hydrogelen mit 2-Oxazolidinonen, daraus hergestellte Hydrogele und deren Verwendung |
US6265488B1 (en) | 1998-02-24 | 2001-07-24 | Nippon Shokubai Co., Ltd. | Production process for water-absorbing agent |
US6503979B1 (en) | 1998-02-26 | 2003-01-07 | Basf Aktiengesellschaft | Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones |
JP4141526B2 (ja) | 1998-04-07 | 2008-08-27 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
TW460528B (en) | 1998-04-28 | 2001-10-21 | Nippon Catalytic Chem Ind | Method for production of shaped hydrogel of absorbent resin |
DE19854574A1 (de) | 1998-11-26 | 2000-05-31 | Basf Ag | Verfahren zur Nachvernetzung von Hydrogelen mit N-Acyl-2-Oxazolidinonen |
DE19854573A1 (de) | 1998-11-26 | 2000-05-31 | Basf Ag | Verfahren zur Nachvernetzung von Hydrogelen mit 2-Oxo-tetrahydro-1,3-oxazinen |
US6239230B1 (en) | 1999-09-07 | 2001-05-29 | Bask Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
DE19955861A1 (de) | 1999-11-20 | 2001-05-23 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von vernetzten feinteiligen gelförmigen Polymerisaten |
US6817557B2 (en) | 2000-01-20 | 2004-11-16 | Nippon Shokubai Co., Ltd. | Process for transporting, storing, and producing a particulate water-absorbent resin |
EP1130045B2 (en) | 2000-02-29 | 2015-10-28 | Nippon Shokubai Co., Ltd. | Process for producing a water-absorbent resin powder |
US6979564B2 (en) | 2000-10-20 | 2005-12-27 | Millennium Pharmaceuticals, Inc. | 80090, human fucosyltransferase nucleic acid molecules and uses thereof |
US6809158B2 (en) | 2000-10-20 | 2004-10-26 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and process for producing the same |
EP1349826B1 (de) | 2001-01-12 | 2012-06-27 | Evonik Stockhausen GmbH | Kontinuierliches verfahren zur herstellung und aufreinigung von (meth) acrylsäure |
EP1436335B1 (de) | 2001-10-05 | 2005-01-26 | Basf Aktiengesellschaft | Verfahren zur vernetzung von hydrogelen mit morpholin-2,3-dionen |
DE10204937A1 (de) | 2002-02-07 | 2003-08-21 | Stockhausen Chem Fab Gmbh | Verfahren zur Nachvernetzung im Bereich der Oberfläche von wasserabsorbierenden Polymeren mit Harnstoffderivaten |
DE10204938A1 (de) | 2002-02-07 | 2003-08-21 | Stockhausen Chem Fab Gmbh | Verfahren zur Nachvernetzung im Bereich der Oberfläche von wasserabsorbierenden Polymeren mit beta-Hydroxyalkylamiden |
DE10211686A1 (de) | 2002-03-15 | 2003-10-02 | Stockhausen Chem Fab Gmbh | (Meth)Acrylsäurekristall und Verfahren zur Herstellung und Aufreinigung von wässriger (Meth)Acrylsäure |
DE10225943A1 (de) | 2002-06-11 | 2004-01-08 | Basf Ag | Verfahren zur Herstellung von Estern von Polyalkoholen |
DE50303213D1 (de) | 2002-06-11 | 2006-06-08 | Basf Ag | (meth)acrylester von polyalkoxyliertem glycerin |
MXPA04012235A (es) | 2002-06-11 | 2005-02-25 | Basf Ag | Esteres (met) acrilicos del trimetilolpropano polialcoxilado. |
DE10247240A1 (de) | 2002-10-10 | 2004-04-22 | Basf Ag | Verfahren zur Herstellung von Acrylsäure |
DE10331450A1 (de) | 2003-07-10 | 2005-01-27 | Basf Ag | (Meth)acrylsäureester monoalkoxilierter Polyole und deren Herstellung |
DE10331456A1 (de) | 2003-07-10 | 2005-02-24 | Basf Ag | (Meth)acrylsäureester alkoxilierter ungesättigter Polyolether und deren Herstellung |
DE10334584A1 (de) | 2003-07-28 | 2005-02-24 | Basf Ag | Verfahren zur Nachvernetzung von Hydrogelen mit bicyclischen Amidacetalen |
DE10355401A1 (de) | 2003-11-25 | 2005-06-30 | Basf Ag | (Meth)acrylsäureester ungesättigter Aminoalkohole und deren Herstellung |
DE102005001789A1 (de) | 2005-01-13 | 2006-07-27 | Basf Ag | Verfahren zum Klassieren eines teilchenförmigen wasserabsorbierenden Harzes |
DE102005055077A1 (de) | 2005-11-16 | 2007-05-24 | Basf Ag | Verfahren zur Herstellung wasserabsorbierender Polymerpartikel |
JP2009529477A (ja) | 2006-03-14 | 2009-08-20 | 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を空気により搬送する方法 |
EP1996494A1 (de) | 2006-03-14 | 2008-12-03 | Basf Se | Verfahren zur pneumatischen förderung wasserabsorbierender polymerpartikel |
US8651773B2 (en) | 2006-03-14 | 2014-02-18 | Basf Se | Process for pneumatic conveying of water-absorbing polymer particles |
EP1840157B1 (en) * | 2006-03-27 | 2018-07-11 | Nippon Shokubai Co., Ltd. | Production method for water-absorbing resin composition |
CN101641154A (zh) * | 2007-03-29 | 2010-02-03 | 株式会社日本触媒 | 颗粒状吸水剂及其制造方法 |
SA08290542B1 (ar) * | 2007-08-28 | 2012-11-14 | نيبون شوكوباي كو. ، ليمتد | طريقة لإنتاج راتنج ماص للماء |
CN101970299B (zh) * | 2008-03-13 | 2013-09-11 | 株式会社日本触媒 | 以吸水性树脂作为主要成分的颗粒状吸水剂的填充方法 |
US20100247916A1 (en) * | 2009-03-24 | 2010-09-30 | Basf Se | Process for Producing Surface Postcrosslinked Water-Absorbing Polymer Particles |
EP2471847B2 (en) | 2009-08-28 | 2018-01-03 | Nippon Shokubai Co., Ltd. | Process for production of water-absorbable resin |
JP5871803B2 (ja) * | 2009-10-09 | 2016-03-01 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 表面後架橋された吸水性ポリマー粒子の後給湿方法 |
US8541528B2 (en) * | 2010-02-24 | 2013-09-24 | Basf Se | Process for producing water-absorbing particles |
WO2012119969A1 (de) | 2011-03-08 | 2012-09-13 | Basf Se | Verfahren zur herstellung von wasserabsorbierenden polymerpartikeln mit verbesserter permeabilität |
JP6073292B2 (ja) * | 2011-05-06 | 2017-02-01 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 吸水性ポリマー粒子の製造法 |
US8420773B2 (en) * | 2011-05-06 | 2013-04-16 | Basf Se | Process for producing water-absorbing polymer particles |
-
2017
- 2017-05-23 EP EP17726895.0A patent/EP3464427B1/de active Active
- 2017-05-23 JP JP2018562525A patent/JP6991161B2/ja active Active
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- 2017-05-23 WO PCT/EP2017/062327 patent/WO2017207330A1/de unknown
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008106218A (ja) | 2006-03-27 | 2008-05-08 | Nippon Shokubai Co Ltd | 吸水性樹脂組成物の製造方法 |
WO2009119756A1 (ja) | 2008-03-28 | 2009-10-01 | 株式会社日本触媒 | 吸水性樹脂粉体の輸送方法 |
WO2010032694A1 (ja) | 2008-09-16 | 2010-03-25 | 株式会社日本触媒 | 吸水性樹脂の製造方法および通液性向上方法 |
JP2012505273A (ja) | 2008-10-07 | 2012-03-01 | エボニック シュトックハウゼン ゲゼルシャフト ミット ベシュレンクテル ハフツング | 超吸収性ポリマーの製造のための連続的方法 |
WO2010114058A1 (ja) | 2009-03-31 | 2010-10-07 | 株式会社日本触媒 | 粒子状吸水性樹脂の製造方法 |
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