JP2021532189A - 液相pに存在するアクリル酸の望ましくないラジカル重合を抑制するための方法 - Google Patents
液相pに存在するアクリル酸の望ましくないラジカル重合を抑制するための方法 Download PDFInfo
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- JP2021532189A JP2021532189A JP2021528479A JP2021528479A JP2021532189A JP 2021532189 A JP2021532189 A JP 2021532189A JP 2021528479 A JP2021528479 A JP 2021528479A JP 2021528479 A JP2021528479 A JP 2021528479A JP 2021532189 A JP2021532189 A JP 2021532189A
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- Prior art keywords
- acrylic acid
- liquid phase
- mass
- range
- glyoxal
- 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.)
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 title claims abstract description 130
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 239000007791 liquid phase Substances 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 81
- 238000010526 radical polymerization reaction Methods 0.000 title claims abstract description 13
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims abstract description 139
- 229940015043 glyoxal Drugs 0.000 claims abstract description 74
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000000203 mixture Substances 0.000 claims description 56
- 150000001875 compounds Chemical class 0.000 claims description 55
- 239000002243 precursor Substances 0.000 claims description 52
- 230000036961 partial effect Effects 0.000 claims description 48
- 238000007254 oxidation reaction Methods 0.000 claims description 44
- 230000003647 oxidation Effects 0.000 claims description 43
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 42
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 claims description 22
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 13
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 13
- 238000004821 distillation Methods 0.000 claims description 5
- 229950000688 phenothiazine Drugs 0.000 claims description 4
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- NWVVVBRKAWDGAB-UHFFFAOYSA-N hydroquinone methyl ether Natural products COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- CNHDIAIOKMXOLK-UHFFFAOYSA-N toluquinol Chemical compound CC1=CC(O)=CC=C1O CNHDIAIOKMXOLK-UHFFFAOYSA-N 0.000 claims 4
- 238000011084 recovery Methods 0.000 claims 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 claims 1
- 239000007789 gas Substances 0.000 description 60
- 239000012071 phase Substances 0.000 description 37
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 32
- 239000000047 product Substances 0.000 description 27
- 238000000926 separation method Methods 0.000 description 25
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- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 20
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 18
- 235000019260 propionic acid Nutrition 0.000 description 16
- 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 16
- 239000012495 reaction gas Substances 0.000 description 15
- 238000009835 boiling Methods 0.000 description 13
- 238000001179 sorption measurement Methods 0.000 description 13
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 12
- 238000005755 formation reaction Methods 0.000 description 12
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- 230000015572 biosynthetic process Effects 0.000 description 10
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 9
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 description 9
- 229960001826 dimethylphthalate Drugs 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- NYYDZOSYLUOKEM-UHFFFAOYSA-N oxaldehyde;hydrate Chemical compound O.O=CC=O NYYDZOSYLUOKEM-UHFFFAOYSA-N 0.000 description 9
- 150000001241 acetals Chemical class 0.000 description 8
- 239000006227 byproduct Substances 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 8
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 8
- 239000003112 inhibitor Substances 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 229960000583 acetic acid Drugs 0.000 description 7
- 150000007857 hydrazones Chemical class 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 7
- 238000000197 pyrolysis Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- -1 glyoxal hemiacetals Chemical class 0.000 description 6
- 150000002373 hemiacetals Chemical class 0.000 description 6
- 238000004128 high performance liquid chromatography Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- NUJRQIODHXBYAE-UHFFFAOYSA-N oxaldehyde;dihydrate Chemical compound O.O.O=CC=O NUJRQIODHXBYAE-UHFFFAOYSA-N 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- MHCVCKDNQYMGEX-UHFFFAOYSA-N 1,1'-biphenyl;phenoxybenzene Chemical group C1=CC=CC=C1C1=CC=CC=C1.C=1C=CC=CC=1OC1=CC=CC=C1 MHCVCKDNQYMGEX-UHFFFAOYSA-N 0.000 description 5
- HHLFWLYXYJOTON-UHFFFAOYSA-N Glyoxylic acid Natural products OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- HORQAOAYAYGIBM-UHFFFAOYSA-N 2,4-dinitrophenylhydrazine Chemical compound NNC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O HORQAOAYAYGIBM-UHFFFAOYSA-N 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- ZZAGLMPBQOKGGT-UHFFFAOYSA-N [4-[4-(4-prop-2-enoyloxybutoxy)benzoyl]oxyphenyl] 4-(4-prop-2-enoyloxybutoxy)benzoate Chemical compound C1=CC(OCCCCOC(=O)C=C)=CC=C1C(=O)OC(C=C1)=CC=C1OC(=O)C1=CC=C(OCCCCOC(=O)C=C)C=C1 ZZAGLMPBQOKGGT-UHFFFAOYSA-N 0.000 description 4
- 150000001299 aldehydes Chemical class 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 4
- 239000001294 propane Substances 0.000 description 4
- 238000005979 thermal decomposition reaction Methods 0.000 description 4
- 230000008646 thermal stress Effects 0.000 description 4
- 238000010533 azeotropic distillation Methods 0.000 description 3
- 239000004305 biphenyl Substances 0.000 description 3
- 235000010290 biphenyl Nutrition 0.000 description 3
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
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- 239000003480 eluent Substances 0.000 description 3
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- 239000002904 solvent Substances 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- QEGNUYASOUJEHD-UHFFFAOYSA-N 1,1-dimethylcyclohexane Chemical compound CC1(C)CCCCC1 QEGNUYASOUJEHD-UHFFFAOYSA-N 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- GJYCVCVHRSWLNY-UHFFFAOYSA-N 2-butylphenol Chemical compound CCCCC1=CC=CC=C1O GJYCVCVHRSWLNY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- IIEWJVIFRVWJOD-UHFFFAOYSA-N ethylcyclohexane Chemical compound CCC1CCCCC1 IIEWJVIFRVWJOD-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
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- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 2
- MMIPFLVOWGHZQD-UHFFFAOYSA-N manganese(3+) Chemical class [Mn+3] MMIPFLVOWGHZQD-UHFFFAOYSA-N 0.000 description 2
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- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
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- 150000000703 Cerium Chemical class 0.000 description 1
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- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
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- XQAXGZLFSSPBMK-UHFFFAOYSA-M [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate Chemical compound O.O.O.[Cl-].C1=CC(=[N+](C)C)C=C2SC3=CC(N(C)C)=CC=C3N=C21 XQAXGZLFSSPBMK-UHFFFAOYSA-M 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- SNOOUWRIMMFWNE-UHFFFAOYSA-M sodium;6-[(3,4,5-trimethoxybenzoyl)amino]hexanoate Chemical compound [Na+].COC1=CC(C(=O)NCCCCCC([O-])=O)=CC(OC)=C1OC SNOOUWRIMMFWNE-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920000247 superabsorbent polymer Polymers 0.000 description 1
- 239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
- C07C51/50—Use of additives, e.g. for stabilisation
-
- 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
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
- C07C57/03—Monocarboxylic acids
- C07C57/04—Acrylic acid; Methacrylic acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polymerisation Methods In General (AREA)
Abstract
Description
フルフラール=2−フルアルデヒド=フラン−2−カルボキシアルデヒド、CAS番号98−01−1。
分析される溶液の注入量:50μl(時間t=0)
温度:40℃
溶離液流量:1.5ml/分
分析時間:17分
平衡時間:8分
溶離液:
0分超から15分までの期間、30質量%のアセトニトリル、50質量%の水及び20質量%のテトラヒドロフランの混合物(全てHPLCグレード);
15分超から17分までの期間、65質量%のアセトニトリル、30質量%の水及び5質量%のテトラヒドロフランの混合物;
17分超から25分までの期間、30質量%のアセトニトリル、50質量%の水及び20質量%のテトラヒドロフランの混合物(その後、カラムは平衡化され、次の分析のために再び準備される)。
100.0gのアクリル酸を(適切な添加剤と一緒に)250mlガラスボトル(つり合い重り(tared))(マグネチックスターラー)に満たす。
N2を30分間アクリル酸に通過させる(約70 l/時間)。
30分後、N2流をアクリル酸の上のみで通過させ、14〜18 l/時間に減少させる。
続いて、ボトルを予熱したオイルバス中で充填高さ(the fill height)まで浸す(内側の温度100℃)。
Claims (24)
- 液相Pに存在するアクリル酸の望ましくないフリーラジカル重合を抑制するための方法であって、Pの前記アクリル酸の含有量が少なくとも10質量%であり、前記液相Pが、Pに存在する前記アクリル酸の質量に基づいて25から1000ppmwの範囲のグリオキサールを含み、前記液相Pは、Pに存在する前記アクリル酸の質量に基づいて25から1000ppmwの範囲のフルフラールの含有量をもたらす量のフルフラールと混合される、方法。
- Pの前記アクリル酸の含有量が少なくとも30質量%である、請求項1に記載の方法。
- Pの前記アクリル酸の含有量が少なくとも50質量%である、請求項1に記載の方法。
- 前記液相Pが、Pに存在する前記アクリル酸の質量に基づいて50から500ppmwの範囲のグリオキサールを含み、前記液相Pが、Pに存在する前記アクリル酸の質量に基づいて50から500ppmwの範囲のフルフラールの含有量をもたらす量のフルフラールと混合される、請求項1から3のいずれか一項に記載の方法。
- 前記液相Pが、Pに存在する前記アクリル酸の質量に基づいて50から1000ppmwの範囲のフェノチアジンを含む、請求項1から4のいずれか一項に記載の方法。
- 前記液相Pが、Pに存在する前記アクリル酸の質量に基づいて50から1000ppmwの範囲のメチルヒドロキノンを含む、請求項1から5のいずれか一項に記載の方法。
- 酸素の不存在下において行われる、請求項1から6のいずれか一項に記載の方法。
- 前記液相Pが、50℃から150℃の範囲の温度を有する、請求項1から7のいずれか一項に記載の方法。
- アクリル酸の蒸留回収のためのカラム内で行われる、請求項1から8のいずれか一項に記載の方法。
- 前記液相Pに存在する前記アクリル酸が、アクリル酸のC3−前駆体化合物の不均一触媒部分酸化の生成物であり、前記部分酸化に使用される前記C3−前駆体化合物を含む出発混合物が、その中に存在する前記C3−前駆体化合物のモル量に基づいて、100から10000モルppmの範囲のC2−化合物のモル全体量を含む、請求項1から9のいずれか一項に記載の方法。
- 前記液相Pに存在する前記アクリル酸が、アクリル酸のC3−前駆体化合物の不均一触媒部分酸化の前記生成物であり、前記部分酸化に使用される前記C3−前駆体化合物を含む出発混合物が、80体積%以下のn−プロパンを含む、請求項1から10のいずれか一項に記載の方法。
- 前記C3−前駆体化合物が、プロピレン、アクロレイン又はn−プロパンである、請求項10又は11に記載の方法。
- Pのアクリル酸の含有量が少なくとも10質量%であり、それぞれの場合においてPに存在する前記アクリル酸の質量に基づいて、25から1000ppmwの範囲のグリオキサール及び25から1000ppmwの範囲のフルフラールを含む、液相P。
- Pの前記アクリル酸の含有量が少なくとも30質量%である、請求項13に記載の液相P。
- Pの前記アクリル酸の含有量が少なくとも50質量%である、請求項13又は14に記載の液相P。
- それぞれの場合においてPに存在する前記アクリル酸の質量に基づいて、50から500ppmwの範囲のグリオキサール及び50から500ppmwの範囲のフルフラールを含む、請求項13から15のいずれか一項に記載の液相P。
- Pに存在する前記アクリル酸の質量に基づいて、50から1000ppmwの範囲のフェノチアジンを含む、請求項13から16のいずれか一項に記載の液相P。
- Pに存在する前記アクリル酸の質量に基づいて、50から1000ppmwの範囲のメチルヒドロキノンを含む、請求項13から17のいずれか一項に記載の液相P。
- 酸素を含まない、請求項13から18のいずれか一項に記載の液相P。
- 50℃から150℃の範囲の温度を有する、請求項13から19のいずれか一項に記載の液相P。
- アクリル酸の蒸留回収のためのカラム内に位置する、請求項13から20のいずれか一項に記載の液相P。
- 前記液相Pに存在する前記アクリル酸が、アクリル酸のC3−前駆体化合物の不均一触媒部分酸化の生成物であり、前記部分酸化に使用される前記C3−前駆体化合物を含む出発混合物が、その中に存在する前記C3−前駆体化合物のモル量に基づいて、100から10000モルppmの範囲のC2−化合物のモル全体量を含む、請求項13から21のいずれか一項に記載の液相P。
- 前記液相Pに存在する前記アクリル酸が、アクリル酸のC3−前駆体化合物の不均一触媒部分酸化の生成物であり、前記部分酸化に使用される前記C3−前駆体化合物を含む出発混合物が、80体積%以下のn−プロパンを含む、請求項13から22のいずれか一項に記載の液相P。
- 前記C3−前駆体化合物が、プロピレン、アクロレイン又はn−プロパンである、請求項22又は23に記載の液相P。
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- 2019-07-16 JP JP2021528479A patent/JP7384519B2/ja active Active
- 2019-07-16 WO PCT/EP2019/069079 patent/WO2020020697A1/de active Application Filing
- 2019-07-16 EP EP19737780.7A patent/EP3826987A1/de active Pending
- 2019-07-16 US US17/263,415 patent/US11447439B2/en active Active
- 2019-07-16 CN CN201980049625.8A patent/CN112469686B/zh active Active
- 2019-07-16 KR KR1020217005297A patent/KR20210038593A/ko not_active Application Discontinuation
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WO2020020697A1 (de) | 2020-01-30 |
JP7384519B2 (ja) | 2023-11-21 |
EP3826987A1 (de) | 2021-06-02 |
CN112469686B (zh) | 2024-04-05 |
SA521421121B1 (ar) | 2024-03-28 |
CN112469686A (zh) | 2021-03-09 |
US11447439B2 (en) | 2022-09-20 |
US20210309598A1 (en) | 2021-10-07 |
KR20210038593A (ko) | 2021-04-07 |
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