KR102606479B1 - 고순도의 하이드로젠 헥사시아노코발테이트 화합물 및 이의 제조 방법 - Google Patents
고순도의 하이드로젠 헥사시아노코발테이트 화합물 및 이의 제조 방법 Download PDFInfo
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- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 8
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- 238000002474 experimental method Methods 0.000 description 6
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- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/06—Cobalt compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
- C08G65/2645—Metals or compounds thereof, e.g. salts
- C08G65/2663—Metal cyanide catalysts, i.e. DMC's
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/13—Crystalline forms, e.g. polymorphs
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
Abstract
Description
Claims (17)
- 삭제
- 삭제
- 삭제
- K3Co(CN)6 수용액에 H2SO4 를 가한 후 에탄올을 추가로 가하여 침전물을 형성하고 형성된 침전물을 여과 과정을 통해 제거한 후 여과액을 취해 물과 에탄올을 제거하여 H2SO4 및 K+ 염 불순물이 일부 포함된 H3Co(CN)6를 얻는 제 1 단계; 및
상기 제 1 단계에서 얻어진 물질을 에탄올에 분산 교반시켜 H2SO4 불순물을 용출 제거하여 분말형의 고체 화합물을 얻는 제 2 단계;
를 포함하고,
K 및 S 불순물 함량이 각각 100 ppm 내지 500 ppm 인,
H3Co(CN)6·x[CH3CH2OH] (x = 2.2~2.6) 화합물의 제조 방법.
- 제 4 항에 있어서,
상기 제 1 단계에서, 상기 K3Co(CN)6 와 상기 H2SO4 의 몰 비가 1 : 1.5 내지 2.3 인 것인, H3Co(CN)6·x[CH3CH2OH] (x = 2.2~2.6) 화합물의 제조 방법.
- 제 4 항에 있어서,
상기 제 1 단계에서, 상기 K3Co(CN)6 수용액이 포화된 수용액인 것인, H3Co(CN)6·x[CH3CH2OH] (x = 2.2~2.6) 화합물의 제조 방법.
- 제 4 항에 있어서,
상기 제 2 단계에서, 상기 에탄올이 무수 상태인 것인, H3Co(CN)6·x[CH3CH2OH] (x = 2.2~2.6) 화합물의 제조 방법.
- K3Co(CN)6 수용액에 H2SO4를 가한 후 에탄올을 추가로 가하여 침전물을 형성하고 형성된 침전물을 여과 과정을 통해 제거한 후 여과액을 취해 물과 에탄올을 제거하여 H2SO4 및 K+ 염 불순물이 일부 포함된 H3Co(CN)6를 얻는 제 1 단계;
상기 제 1 단계에서 얻어진 물질을 에탄올에 분산 교반시켜 H2SO4 불순물을 용출 제거하여 분말형의 고체 화합물을 얻는 제 2 단계; 및
상기 제 2 단계에서 얻어진 물질에 메탄올을 가하여 용해되지 않는 물질은 여과하여 제거하고 여과액을 취해 온도를 낮추어 결정을 침전시킨 후 결정을 분리해 내는 제 3 단계를 포함하는 [CH3OH2]+ 2[CH3O(H)-H-(H)OCH3]+[Co(CN)6)]3- 화합물의 제조 방법에 있어서,
상기 [CH3OH2]+ 2[CH3O(H)-H-(H)OCH3]+[Co(CN)6)]3- 화합물은 K 및 S 불순물 함량이 각각 150 ppm 미만인 것인, [CH3OH2]+ 2[CH3O(H)-H-(H)OCH3]+[Co(CN)6)]3- 화합물의 제조 방법.
- 제 8 항에 있어서,
상기 제 1 단계에서, 상기 K3Co(CN)6 와 상기 H2SO4 의 몰 비가 1 : 1.5 내지 2.3 인 것인, [CH3OH2]+ 2[CH3O(H)-H-(H)OCH3]+[Co(CN)6)]3- 화합물의 제조 방법.
- 제 8 항에 있어서,
상기 제 1 단계에서, 상기 K3Co(CN)6 수용액이 포화된 수용액인 것인, [CH3OH2]+ 2[CH3O(H)-H-(H)OCH3]+[Co(CN)6)]3- 화합물의 제조 방법.
- 제 8 항에 있어서,
상기 제 2 단계에서, 상기 에탄올이 무수 상태인 것인, [CH3OH2]+ 2[CH3O(H)-H-(H)OCH3]+[Co(CN)6)]3- 화합물의 제조 방법.
- 제 8 항에 있어서,
상기 제 3 단계에서, 상기 결정을 침전시키는 단계는 0℃ 내지 -30℃ 의 온도 범위에서 수행되는 것인, [CH3OH2]+ 2[CH3O(H)-H-(H)OCH3]+[Co(CN)6)]3- 화합물의 제조 방법.
- K3Co(CN)6 수용액에 H2SO4 를 가한 후 에탄올을 추가로 가하여 침전물을 형성하고 형성된 침전물을 여과 과정을 통해 제거한 후 여과액을 취해 물과 에탄올을 제거하여 H2SO4 및 K+ 염 불순물이 일부 포함된 H3Co(CN)6 를 얻는 제 1 단계;
상기 제 1 단계에서 얻어진 물질을 에탄올에 분산 교반시켜 H2SO4 불순물을 용출 제거하여 분말형의 고체 화합물을 얻는 제 2 단계;
상기 제 2 단계에서 얻어진 물질에 메탄올을 가하여 용해되지 않는 물질은 여과하여 제거하고 여과액을 취해 온도를 낮추어 결정을 침전시킨 후 결정을 분리해 내는 제 3 단계; 및
상기 제 3 단계에서 얻어진 결정 물질을 진공 감압하여 일부 메탄올을 제거하는 제 4 단계를 포함하는 H+ 3[Co(CN)6)]3-·x[CH3OH] (x = 1.4~1.8) 조성의 화합물의 제조 방법에 있어서,
상기 H+ 3[Co(CN)6)]3-·x[CH3OH] (x = 1.4~1.8) 조성의 화합물은 K 및 S 불순물 함량이 각각 150 ppm 미만인 것인, H+ 3[Co(CN)6)]3-·x[CH3OH] (x = 1.4~1.8) 조성의 화합물의 제조 방법.
- 제 13 항에 있어서,
상기 제 1 단계에서, 상기 K3Co(CN)6 와 상기 H2SO4 의 몰 비가 1 : 1.5 내지 2.3 인 것인, H+ 3[Co(CN)6)]3-·x[CH3OH] (x = 1.4~1.8) 조성의 화합물의 제조 방법.
- 제 13 항에 있어서,
상기 제 1 단계에서, 상기 K3Co(CN)6 수용액이 포화된 수용액인 것인, H+ 3[Co(CN)6)]3-·x[CH3OH] (x = 1.4~1.8) 조성의 화합물의 제조 방법.
- 제 13 항에 있어서,
상기 제 2 단계에서, 상기 에탄올이 무수 상태인 것인, H+ 3[Co(CN)6)]3-·x[CH3OH] (x = 1.4~1.8) 조성의 화합물의 제조 방법.
- 제 13 항에 있어서,
상기 제 3 단계에서, 상기 결정을 침전시키는 단계는 0℃ 내지 -30℃ 의 온도 범위에서 수행되는 것인, H+ 3[Co(CN)6)]3-·x[CH3OH] (x = 1.4~1.8) 조성의 화합물의 제조 방법.
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PCT/KR2022/000267 WO2022158766A1 (ko) | 2021-01-20 | 2022-01-07 | 고순도의 하이드로젠 헥사시아노코발테이트 화합물 및 이의 제조 방법 |
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US6429166B1 (en) * | 2000-05-19 | 2002-08-06 | Dow Global Technologies Inc. | Method for preparing metal cyanide catalyst/polyol initiator slurries |
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KR102220786B1 (ko) * | 2013-07-18 | 2021-03-02 | 에스케이이노베이션 주식회사 | 이중금속 시아나이드(dmc) 촉매 및 이를 통해 제조된 에폭사이드/이산화탄소 공중합체 |
TWI717562B (zh) * | 2017-10-19 | 2021-02-01 | 東聯化學股份有限公司 | 高活性雙金屬氰化物觸媒及其製備方法與應用 |
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