JP7177135B2 - アルカンジオールおよびジアルキルカーボネートを調製するためのプロセス - Google Patents
アルカンジオールおよびジアルキルカーボネートを調製するためのプロセス Download PDFInfo
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- JP7177135B2 JP7177135B2 JP2020502377A JP2020502377A JP7177135B2 JP 7177135 B2 JP7177135 B2 JP 7177135B2 JP 2020502377 A JP2020502377 A JP 2020502377A JP 2020502377 A JP2020502377 A JP 2020502377A JP 7177135 B2 JP7177135 B2 JP 7177135B2
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- aluminum phosphate
- carbonate
- alkanol
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- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 150000004649 carbonic acid derivatives Chemical class 0.000 title claims description 3
- 239000003054 catalyst Substances 0.000 claims description 69
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 40
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 26
- -1 alkylene carbonate Chemical compound 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 18
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- 239000002244 precipitate Substances 0.000 claims description 14
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical group O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 22
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 11
- 239000011701 zinc Substances 0.000 description 11
- 239000006227 byproduct Substances 0.000 description 9
- 239000011651 chromium Substances 0.000 description 7
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 7
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical group CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 3
- 229940093475 2-ethoxyethanol Drugs 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000000539 dimer Substances 0.000 description 3
- 238000009616 inductively coupled plasma Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 150000004677 hydrates Chemical class 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000002459 porosimetry Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000000066 reactive distillation Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000006136 alcoholysis reaction Methods 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- FIQKTHSUXBJBCQ-UHFFFAOYSA-K aluminum;hydrogen phosphate;hydroxide Chemical class O.[Al+3].[O-]P([O-])([O-])=O FIQKTHSUXBJBCQ-UHFFFAOYSA-K 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006471 dimerization reaction Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- UOQTVEMFXWKBBS-UHFFFAOYSA-N ethyl 2-hydroxyethyl carbonate Chemical compound CCOC(=O)OCCO UOQTVEMFXWKBBS-UHFFFAOYSA-N 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 239000002638 heterogeneous catalyst Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000006140 methanolysis reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- OJTDGPLHRSZIAV-UHFFFAOYSA-N propane-1,2-diol Chemical compound CC(O)CO.CC(O)CO OJTDGPLHRSZIAV-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C68/00—Preparation of esters of carbonic or haloformic acids
- C07C68/06—Preparation of esters of carbonic or haloformic acids from organic carbonates
- C07C68/065—Preparation of esters of carbonic or haloformic acids from organic carbonates from alkylene carbonates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/128—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by alcoholysis
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
- B01J27/18—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr with metals other than Al or Zr
- B01J27/1802—Salts or mixtures of anhydrides with compounds of other metals than V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, e.g. phosphates, thiophosphates
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/031—Precipitation
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/04—Mixing
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/36—Aluminium phosphates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/48—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by oxidation reactions with formation of hydroxy groups
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
(a)0.1:1~20:1のモル比[Al]/[P]でアルミニウム含有塩をリン酸と混合することと、
(b)塩基を、ステップ(a)で得られた混合物と混合し、リン酸アルミニウム沈殿物を形成させることと、
(c)任意選択的に、沈殿物含有混合物を加熱することと、
(d)沈殿物を回収することと、を含む。
リン酸アルミニウム(AlPO)触媒を次のように調製した。
このように調製されたリン酸アルミニウム(AlPO)触媒を、エチレンカーボネート(eC)とエタノール(EtOH)との反応に使用し、それによりモノエチレングリコール(MEG)およびジエチルカーボネート(DEC)を生成させた。1つ以上の不所望の副生成物が形成される場合がある。比較的大量の副産物の存在は、所望のMEGおよびDEC生成物に対する選択性が比較的低いことを示している。該反応における中間物は、2-ヒドロキシエチルエチルカーボネート(HEC)であり、そこから1つ以上の該不所望の副生成物が形成される場合がある。1つの副生成物は2-エトキシエタノールである。他の副生成物は、ジエチレングリコール(DEG)、トリエチレングリコール(TEG)、および重質二量体(heavy dimer)カーボネート(2つのHEC分子の二量化から形成される)である。
a)トップ流は、軽質成分(EtOHおよびDEC)から構成され、ボトム流は重質成分で構成されていた。
b)軽質成分を含む該トップ流をさらに蒸留すると、反応器供給槽(reactor feed vessel)にリサイクルされる、EtOHを含むトップ流と、さらに蒸留されて純度99.9+重量%のDECを生成する、DECを含むボトム流と、が生じた。
c)重質成分を含む該ボトム流をさらに蒸留すると、15~17重量%のECとの共沸混合物中にMEGを含むトップ流と、ECおよびより重質の副生成物を含むボトム流と、が生じ、後者のボトム流は反応器供給槽に部分的にリサイクルした。
Claims (10)
- 触媒の存在下でアルキレンカーボネートとアルカノールとを反応させることを含む、アルカンジオールおよびジアルキルカーボネートを調製するためのプロセスであって、前記触媒が、リン酸アルミニウムであり、プロセスの条件には、温度10~200℃及び圧力0.5~50baraが含まれる、プロセス。
- 前記リン酸アルミニウム触媒が、非晶質である、請求項1に記載のプロセス。
- 前記触媒の90%超が、非晶質である、請求項2に記載のプロセス。
- 前記リン酸アルミニウム触媒が、0.1:1~20:1のモル(または原子)比[Al]/[P]を有する、請求項1または2に記載のプロセス。
- 前記リン酸アルミニウムが、合成されたリン酸アルミニウムである、請求項1~4のいずれか一項に記載のプロセス。
- 前記リン酸アルミニウム触媒が、リン酸アルミニウム触媒を調製するためのプロセスによって得られる触媒であり、前記プロセスが、
(a)0.1:1~20:1のモル比[Al]/[P]でアルミニウム含有塩をリン酸と混合することと、
(b)塩基を、ステップ(a)で得られた前記混合物と混合し、リン酸アルミニウム沈殿物を形成させることと、
(c)任意選択的に、前記沈殿物含有混合物を加熱することと、
(d)前記沈殿物を回収することと、を含む、請求項5に記載のプロセス。 - 前記アルキレンカーボネートが、C2~C6アルキレンカーボネートである、請求項1~6のいずれか一項に記載のプロセス。
- 前記アルキレンカーボネートが、エチレンカーボネートまたはプロピレンカーボネートである、請求項7に記載のプロセス。
- 前記アルカノールが、C1~C4アルカノールである、請求項1~8のいずれか一項に記載のプロセス。
- 前記アルカノールが、メタノール、エタノールまたはイソプロパノールである、請求項9に記載のプロセス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17181886.7 | 2017-07-18 | ||
EP17181886 | 2017-07-18 | ||
PCT/EP2018/069238 WO2019016126A1 (en) | 2017-07-18 | 2018-07-16 | PROCESS FOR THE PREPARATION OF ALKANEDIOL AND DIALKYL CARBONATE |
Publications (2)
Publication Number | Publication Date |
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JP2020527150A JP2020527150A (ja) | 2020-09-03 |
JP7177135B2 true JP7177135B2 (ja) | 2022-11-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020502377A Active JP7177135B2 (ja) | 2017-07-18 | 2018-07-16 | アルカンジオールおよびジアルキルカーボネートを調製するためのプロセス |
Country Status (9)
Country | Link |
---|---|
US (1) | US11111205B2 (ja) |
EP (1) | EP3655399B1 (ja) |
JP (1) | JP7177135B2 (ja) |
KR (1) | KR102637950B1 (ja) |
CN (1) | CN110869356B (ja) |
EA (1) | EA202090302A1 (ja) |
ES (1) | ES2869149T3 (ja) |
SG (1) | SG11202000044QA (ja) |
WO (1) | WO2019016126A1 (ja) |
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CN118080019B (zh) * | 2024-04-23 | 2024-07-16 | 广东工业大学 | 一种用于制备不对称有机碳酸酯的植酸-铝催化剂 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001247520A (ja) | 2000-03-08 | 2001-09-11 | Nippon Mitsubishi Oil Corp | カーボネート化合物の製造方法 |
JP2004529895A (ja) | 2001-02-28 | 2004-09-30 | エクソンモービル・オイル・コーポレイション | ジアルキルカーボネートとアルカンジオールの併産方法 |
JP2005538170A (ja) | 2002-09-12 | 2005-12-15 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | 有機カーボネートの接触変換 |
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DE2740243A1 (de) | 1977-09-07 | 1979-03-15 | Bayer Ag | Verfahren zur herstellung von dialkylcarbonaten |
JPS5569525A (en) | 1978-11-17 | 1980-05-26 | Showa Denko Kk | Hydrolysis of alkylene carbonate |
JPS58150435A (ja) | 1982-03-03 | 1983-09-07 | Nippon Shokubai Kagaku Kogyo Co Ltd | アルキレンカ−ボネ−トの加水分解用触媒およびその製造方法 |
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FR2608812B1 (fr) | 1986-12-23 | 1989-04-07 | Organo Synthese Ste Fse | Procede de preparation de carbonates organiques par transesterification |
JPS63265805A (ja) * | 1987-04-21 | 1988-11-02 | Nippon Mining Co Ltd | リン酸アルミニウムの製造方法 |
JPH02188541A (ja) | 1989-01-13 | 1990-07-24 | Daicel Chem Ind Ltd | アルキレングリコールの製造方法 |
DE4105554A1 (de) | 1991-02-22 | 1992-08-27 | Bayer Ag | Verfahren zur herstellung von dialkylcarbonaten |
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EP3655399B1 (en) | 2021-02-24 |
WO2019016126A1 (en) | 2019-01-24 |
CN110869356A (zh) | 2020-03-06 |
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EA202090302A1 (ru) | 2020-05-18 |
US20200172466A1 (en) | 2020-06-04 |
SG11202000044QA (en) | 2020-02-27 |
ES2869149T3 (es) | 2021-10-25 |
KR102637950B1 (ko) | 2024-02-20 |
US11111205B2 (en) | 2021-09-07 |
JP2020527150A (ja) | 2020-09-03 |
KR20200031611A (ko) | 2020-03-24 |
CN110869356B (zh) | 2023-01-13 |
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