CN1915957A - 通过结晶借助高沸点物处理制备(甲基)丙烯酸的方法 - Google Patents
通过结晶借助高沸点物处理制备(甲基)丙烯酸的方法 Download PDFInfo
- Publication number
- CN1915957A CN1915957A CN200610115910.XA CN200610115910A CN1915957A CN 1915957 A CN1915957 A CN 1915957A CN 200610115910 A CN200610115910 A CN 200610115910A CN 1915957 A CN1915957 A CN 1915957A
- Authority
- CN
- China
- Prior art keywords
- methyl
- acrylic acid
- phase
- vinylformic acid
- meth
- 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
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 62
- 238000009835 boiling Methods 0.000 title claims abstract description 13
- 230000008569 process Effects 0.000 title claims abstract description 11
- 238000002425 crystallisation Methods 0.000 title claims abstract description 8
- 239000013078 crystal Substances 0.000 claims abstract description 36
- 239000000126 substance Substances 0.000 claims abstract description 20
- 229920000642 polymer Polymers 0.000 claims abstract description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 46
- LDHQCZJRKDOVOX-UHFFFAOYSA-N 2-butenoic acid Chemical compound CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 claims description 43
- 239000012071 phase Substances 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 22
- 230000003647 oxidation Effects 0.000 claims description 22
- 238000007254 oxidation reaction Methods 0.000 claims description 22
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 18
- 238000004821 distillation Methods 0.000 claims description 17
- 239000000654 additive Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- 230000035900 sweating Effects 0.000 claims description 14
- 239000002250 absorbent Substances 0.000 claims description 10
- 230000000996 additive effect Effects 0.000 claims description 10
- -1 makeup Substances 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 9
- 238000006116 polymerization reaction Methods 0.000 claims description 8
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 239000000178 monomer Substances 0.000 claims description 7
- 230000008025 crystallization Effects 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 239000010985 leather Substances 0.000 claims description 4
- 239000007791 liquid phase Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 230000006353 environmental stress Effects 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 238000002076 thermal analysis method Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 239000000539 dimer Substances 0.000 abstract 2
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 20
- 238000002360 preparation method Methods 0.000 description 18
- 239000000047 product Substances 0.000 description 18
- RNYZJZKPGHQTJR-UHFFFAOYSA-N protoanemonin Chemical compound C=C1OC(=O)C=C1 RNYZJZKPGHQTJR-UHFFFAOYSA-N 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000003795 chemical substances by application Substances 0.000 description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
- 238000000746 purification Methods 0.000 description 8
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 7
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- ALRHLSYJTWAHJZ-UHFFFAOYSA-N 3-hydroxypropionic acid Chemical compound OCCC(O)=O ALRHLSYJTWAHJZ-UHFFFAOYSA-N 0.000 description 3
- CYUZOYPRAQASLN-UHFFFAOYSA-N 3-prop-2-enoyloxypropanoic acid Chemical compound OC(=O)CCOC(=O)C=C CYUZOYPRAQASLN-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000006471 dimerization reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000013638 trimer Substances 0.000 description 3
- 206010021639 Incontinence Diseases 0.000 description 2
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 description 2
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 239000002638 heterogeneous catalyst Substances 0.000 description 2
- 239000002815 homogeneous catalyst Substances 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 235000019260 propionic acid Nutrition 0.000 description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 229940127554 medical product Drugs 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- WHFQAROQMWLMEY-UHFFFAOYSA-N propylene dimer Chemical compound CC=C.CC=C WHFQAROQMWLMEY-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920000247 superabsorbent polymer Polymers 0.000 description 1
- 239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
- 238000005829 trimerization reaction Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Images
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005039156.7 | 2005-08-17 | ||
DE102005039156.7A DE102005039156B4 (de) | 2005-08-17 | 2005-08-17 | Verfahren zur Herstellung von (Meth)Acrylsäure mit Schwersiedeaufarbeitung durch Kristallisation |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1915957A true CN1915957A (zh) | 2007-02-21 |
CN1915957B CN1915957B (zh) | 2012-02-29 |
Family
ID=37648376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200610115910.XA Active CN1915957B (zh) | 2005-08-17 | 2006-08-17 | 通过结晶借助高沸点物处理制备(甲基)丙烯酸的方法 |
Country Status (8)
Country | Link |
---|---|
US (3) | US8178717B2 (zh) |
EP (1) | EP1926700B1 (zh) |
JP (2) | JP5173806B2 (zh) |
CN (1) | CN1915957B (zh) |
BR (1) | BRPI0617172A2 (zh) |
DE (1) | DE102005039156B4 (zh) |
WO (1) | WO2007020024A1 (zh) |
ZA (1) | ZA200801462B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI561509B (en) * | 2008-07-28 | 2016-12-11 | Basf Se | Process for separating acrylic acid present as a main constituent and glyoxal present as a by-product in a product gas mixture of a partial heterogeneously catalyzed gas phase oxidation of a c3 precursor compound of acrylic acid |
CN108884000A (zh) * | 2016-03-21 | 2018-11-23 | 诺沃梅尔公司 | 丙烯酸和其制造方法 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004005863A1 (de) * | 2004-02-05 | 2005-09-08 | Stockhausen Gmbh | Reaktor mit einem einen Einsatz aufweisenden Wärmetauscherbereich |
TWI529181B (zh) * | 2005-02-28 | 2016-04-11 | 贏創德固賽有限責任公司 | 以可更新原料為基之吸水聚合物結構及其生產的方法 |
DE102006036177B4 (de) * | 2006-07-21 | 2013-05-08 | Evonik Degussa Gmbh | Vorrichtung und Verfahren zur Herstellung von Acrylsäure mit verminderter Autoxidationsneigung |
DE102006039203B4 (de) | 2006-08-22 | 2014-06-18 | Evonik Degussa Gmbh | Verfahren zur Herstellung von durch Kristallisation gereinigter Acrylsäure aus Hydroxypropionsäure sowie Vorrichtung dazu |
DE102006039205A1 (de) * | 2006-08-22 | 2008-03-20 | Stockhausen Gmbh | Auf nachwachsenden Rohstoffen basierende Acrylsäure und wasserabsorbierende Polymergebilde sowie Verfahren zu deren Herstellung mittels Dehydratisierung |
JP5739600B2 (ja) * | 2007-12-17 | 2015-06-24 | 三菱レイヨン株式会社 | ヒドロキシエチルメタクリレートの製造方法 |
DE102008020688B3 (de) * | 2008-04-24 | 2009-11-05 | Evonik Stockhausen Gmbh | Verfahren zur Herstellung und Aufreinigung wässriger Phasen |
DE102008044946B4 (de) * | 2008-08-29 | 2022-06-15 | Evonik Superabsorber Gmbh | Einsatz von Schaumkörpern in Oxidations-Reaktoren zur Herstellung ungesättigter Carbonsäuren |
DE102010028781A1 (de) | 2010-05-10 | 2011-11-10 | Evonik Stockhausen Gmbh | Abtrennung von Acrylsäure mittels einer einen Seitenabzug aufweisenden Destillationskolonne |
WO2012158573A1 (en) | 2011-05-13 | 2012-11-22 | Novomer, Inc. | Catalytic carbonylation catalysts and methods |
DE102013217386A1 (de) | 2013-09-02 | 2015-03-05 | Evonik Industries Ag | Verfahren zur Herstellung von Acrylsäure |
US10858329B2 (en) | 2014-05-05 | 2020-12-08 | Novomer, Inc. | Catalyst recycle methods |
SG11201610058QA (en) | 2014-05-30 | 2016-12-29 | Novomer Inc | Integrated methods for chemical synthesis |
WO2016015019A1 (en) | 2014-07-25 | 2016-01-28 | Novomer, Inc. | Synthesis of metal complexes and uses thereof |
MA41514A (fr) | 2015-02-13 | 2017-12-19 | Novomer Inc | Procédés intégrés de synthèse chimique |
MA41510A (fr) | 2015-02-13 | 2017-12-19 | Novomer Inc | Procédé de production d'acide acrylique |
MA41513A (fr) | 2015-02-13 | 2017-12-19 | Novomer Inc | Procédé de distillation pour la production d'acide acrylique |
MX2017010408A (es) | 2015-02-13 | 2018-02-23 | Novomer Inc | Procesos continuos de carbonilacion. |
WO2017165345A1 (en) * | 2016-03-21 | 2017-09-28 | Novomer, Inc. | Systems and methods for producing superabsorbent polymers |
Family Cites Families (27)
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JPS54100315A (en) | 1978-01-20 | 1979-08-08 | Nippon Shokubai Kagaku Kogyo Co Ltd | Recovery of acrylic acid |
US4317926A (en) * | 1978-01-19 | 1982-03-02 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Process for preparing and recovering acrylic acid |
JPH06103650B2 (ja) | 1989-03-09 | 1994-12-14 | 株式会社村田製作所 | 電子部品 |
DE4020780C1 (zh) * | 1990-06-29 | 1991-08-29 | Chemische Fabrik Stockhausen Gmbh, 4150 Krefeld, De | |
DE4238493C1 (de) | 1992-11-14 | 1994-04-21 | Degussa | Verfahren zur Herstellung von Acrolein und dessen Verwendung |
JP3277583B2 (ja) * | 1993-02-02 | 2002-04-22 | 住友化学工業株式会社 | メチルメタクリレート系重合体の製造方法 |
JPH1112222A (ja) | 1997-06-25 | 1999-01-19 | Nippon Shokubai Co Ltd | アクリル酸の回収方法 |
DE19904820A1 (de) * | 1999-02-05 | 2000-08-10 | Stockhausen Chem Fab Gmbh | Verfahren und Vorrichtung zur Reinigung von Stoffen mittels Kristallisation |
US6498272B1 (en) * | 1999-03-06 | 2002-12-24 | Basf Aktiengesellschaft | Method for producing acrylic acid |
MY122671A (en) * | 1999-03-06 | 2006-04-29 | Basf Ag | Fractional condensation of a product gas mixture containing acrylic acid |
JP3938646B2 (ja) * | 2000-01-14 | 2007-06-27 | 株式会社日本触媒 | アクリル酸の製造方法 |
US6927268B2 (en) * | 2000-06-21 | 2005-08-09 | Nippon Shokubai Co., Ltd. | Production process for water-absorbent resin |
JP4074194B2 (ja) | 2001-01-12 | 2008-04-09 | ストックハウゼン ゲーエムベーハー | (メタ)アクリル酸の精製方法及びその製造装置 |
DE10138150A1 (de) * | 2001-08-03 | 2003-02-13 | Basf Ag | Verfahren zur Herstellung wasserabsorbierender Harze |
ATE391116T1 (de) | 2001-12-14 | 2008-04-15 | Stockhausen Chem Fab Gmbh | Verfahren zur herstellung von acrylsäure |
DE10201783A1 (de) * | 2002-01-17 | 2003-08-21 | Stockhausen Chem Fab Gmbh | Verfahren zur Oxidation ungesättigter Kohlenwasserstoffe |
DE10211686A1 (de) * | 2002-03-15 | 2003-10-02 | Stockhausen Chem Fab Gmbh | (Meth)Acrylsäurekristall und Verfahren zur Herstellung und Aufreinigung von wässriger (Meth)Acrylsäure |
DE10221202A1 (de) * | 2002-05-13 | 2003-07-10 | Basf Ag | Verfahren zur Herstellung von wässrigen für die Herstellung von Acrylsäurepolymeren geeigneten Acrylsäure-Lösung II |
DE10242746B4 (de) | 2002-09-13 | 2010-07-01 | Evonik Degussa Gmbh | Waschvorrichtung, ein Verfahren zur Aufreinigung eines Waschguts sowie die Verwendung der Waschvorrichtung |
DE10301040B4 (de) * | 2003-01-13 | 2005-07-21 | Stockhausen Gmbh | Aufreinigung eines Monomers durch Extraktion mit einem Phasenbildner und Kristallisation |
DE10334286B4 (de) * | 2003-07-25 | 2006-01-05 | Stockhausen Gmbh | Pulverförmige,wasserabsorbierende Polymere mit mittels thermoplastischen Klebstoffen gebundenen Feinteilchen, Verfahren zu deren Herstellung sowie diese beinhaltende chemische Produkte und Verbunde |
DE102004008574B4 (de) * | 2004-02-19 | 2018-03-15 | Evonik Degussa Gmbh | Verfahren zur Reinigung von (Meth)Acrylsäure aus destillativer Aufarbeitung mittels Dimerenspaltung |
DE102004034316B4 (de) | 2004-07-15 | 2015-07-16 | Evonik Degussa Gmbh | Ein Verfahren zur Herstellung von (Meth)Acrylsäure |
TWI529181B (zh) | 2005-02-28 | 2016-04-11 | 贏創德固賽有限責任公司 | 以可更新原料為基之吸水聚合物結構及其生產的方法 |
DE102006039205A1 (de) | 2006-08-22 | 2008-03-20 | Stockhausen Gmbh | Auf nachwachsenden Rohstoffen basierende Acrylsäure und wasserabsorbierende Polymergebilde sowie Verfahren zu deren Herstellung mittels Dehydratisierung |
DE102008020688B3 (de) | 2008-04-24 | 2009-11-05 | Evonik Stockhausen Gmbh | Verfahren zur Herstellung und Aufreinigung wässriger Phasen |
DE102008044946B4 (de) | 2008-08-29 | 2022-06-15 | Evonik Superabsorber Gmbh | Einsatz von Schaumkörpern in Oxidations-Reaktoren zur Herstellung ungesättigter Carbonsäuren |
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2005
- 2005-08-17 DE DE102005039156.7A patent/DE102005039156B4/de active Active
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2006
- 2006-08-11 EP EP06776791.3A patent/EP1926700B1/de active Active
- 2006-08-11 BR BRPI0617172-9A patent/BRPI0617172A2/pt not_active IP Right Cessation
- 2006-08-11 US US12/063,949 patent/US8178717B2/en active Active
- 2006-08-11 WO PCT/EP2006/007973 patent/WO2007020024A1/de active Application Filing
- 2006-08-11 JP JP2008526417A patent/JP5173806B2/ja active Active
- 2006-08-17 CN CN200610115910.XA patent/CN1915957B/zh active Active
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2008
- 2008-02-13 ZA ZA200801462A patent/ZA200801462B/xx unknown
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2012
- 2012-05-01 US US13/461,220 patent/US8309668B2/en active Active
- 2012-11-05 US US13/668,899 patent/US8445617B2/en active Active
- 2012-11-12 JP JP2012248776A patent/JP5646579B2/ja active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI561509B (en) * | 2008-07-28 | 2016-12-11 | Basf Se | Process for separating acrylic acid present as a main constituent and glyoxal present as a by-product in a product gas mixture of a partial heterogeneously catalyzed gas phase oxidation of a c3 precursor compound of acrylic acid |
CN108884000A (zh) * | 2016-03-21 | 2018-11-23 | 诺沃梅尔公司 | 丙烯酸和其制造方法 |
CN109153628A (zh) * | 2016-03-21 | 2019-01-04 | 诺沃梅尔公司 | 改进的丙烯酸制造工艺 |
CN109153628B (zh) * | 2016-03-21 | 2022-04-26 | 诺沃梅尔公司 | 改进的丙烯酸制造工艺 |
US11827590B2 (en) | 2016-03-21 | 2023-11-28 | Novomer, Inc. | Acrylic acid, and methods of producing thereof |
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BRPI0617172A2 (pt) | 2011-07-12 |
JP2009504698A (ja) | 2009-02-05 |
US20130072645A1 (en) | 2013-03-21 |
WO2007020024A1 (de) | 2007-02-22 |
US8178717B2 (en) | 2012-05-15 |
US8309668B2 (en) | 2012-11-13 |
JP5646579B2 (ja) | 2014-12-24 |
US8445617B2 (en) | 2013-05-21 |
US20120226003A1 (en) | 2012-09-06 |
US20080287616A1 (en) | 2008-11-20 |
EP1926700A1 (de) | 2008-06-04 |
DE102005039156B4 (de) | 2014-12-24 |
JP2013053152A (ja) | 2013-03-21 |
ZA200801462B (en) | 2009-01-28 |
DE102005039156A1 (de) | 2007-02-22 |
CN1915957B (zh) | 2012-02-29 |
JP5173806B2 (ja) | 2013-04-03 |
EP1926700B1 (de) | 2017-03-01 |
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