KR101410019B1 - 다가알코올과 염화수소의 반응에 의한 클로로히드린화합물의 제조방법 - Google Patents
다가알코올과 염화수소의 반응에 의한 클로로히드린화합물의 제조방법 Download PDFInfo
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- KR101410019B1 KR101410019B1 KR1020070097675A KR20070097675A KR101410019B1 KR 101410019 B1 KR101410019 B1 KR 101410019B1 KR 1020070097675 A KR1020070097675 A KR 1020070097675A KR 20070097675 A KR20070097675 A KR 20070097675A KR 101410019 B1 KR101410019 B1 KR 101410019B1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
-
- 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
- C07C29/62—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by introduction of halogen; by substitution of halogen atoms by other halogen atoms
-
- 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
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/34—Halogenated alcohols
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (20)
- 다가알코올, 염화수소 및 염소화 촉매인 유기산으로 이루어진 반응혼합물 피드가 제1반응기에 공급되어 상기 제1반응기로부터 염소화 반응에 의하여 클로로히드린이 제조되며;상기 제1반응기로부터 배출되는 클로로히드린 및 미반응된 반응혼합물을 포함하는 제1생성혼합물 피드와 추가의 다가알코올 피드가 상기 제2반응기로 공급되어 추가의 염소화반응에 의하여 클로로히드린이 제조되고;제2반응기로부터 배출되는 클로로히드린을 포함하는 제2생성혼합물 피드가 증류컬럼에 공급되어 클로로히드린을 포함하는 증류생산물이 증류컬럼 상부로 분리되며;상기 증류컬럼 하부로 배출되며 클로로히드린을 포함하는 증류잔류액 일부의 재순환 피드가 상기 제1반응기로 순환되는 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제2항에 있어서,k1은 0.5 내지 1.5 kg/(ℓ-hr)인 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 1항에 있어서,제2반응기로 투입되는 추가의 다가알코올 피드 유량, 재순환 피드 유량 및 제1생성혼합물 중 미반응 염산의 농도가 하기 식 (3)을 만족하는 것을 특징으로 하는 클로로히드린의 연속제조방법.[상기 식 (3)에서 G2는 제2반응기에 투입되는 다가알코올의 유량(kg/hr)이고, G1은 제1반응기의 반응혼합물 피드에 포함되는 다가알코올의 유량(kg/hr)이며, G는 제1반응기 및 제2반응기에 투입되는 다가알코올의 총 투입 유량(kg/hr)이고, R은 증류컬럼에서 제1반응기로 순환되는 재순환 피드의 유량(kg/hr)이며, C1은 제1생성혼합물 피드 중에 남아있는 미반응 염산의 농도(wt%)이고, k3는 유량 최적화 상수로서 0.7 내지 2.5 의 값을 갖는다.]
- 제 1항 내지 제 5항에서 선택되는 어느 한 항에 있어서,제1반응기로부터 배출되는 제1생성혼합물 피드 중 미반응된 반응혼합물은 다가알코올, 염화수소, 유기산 촉매 및 물을 포함하는 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 1항 내지 제 5항에서 선택되는 어느 한 항에 있어서,제1반응기로 순환되는 재순환 피드는 클로로히드린 및 미반응 다가알코올을 포함하는 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 1항 내지 제 5항에서 선택되는 어느 한 항에 있어서,다가알코올은 1,2-에탄디올, 1,2-프로판디올, 1,3-프로판디올, 3-클로로-1,2-프로판디올, 2-클로로-1,3-프로판디올 및 글리세린, 및 이들의 에스테르 화합물, 또는 이들의 혼합물인 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 8항에 있어서,다가알코올은 글리세린인 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 1항 내지 제 5항에서 선택되는 어느 한 항에 있어서,유기산은 모노카르복실산 또는 디카르복실산, 및 이들의 무수물, 이들의 염 또는 이들의 에스테르인 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 10항에 있어서,유기산은 아세트산인 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 1항 내지 제 5항에서 선택되는 어느 한 항에 있어서,염화수소는 무수물인 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 12항에 있어서,제1반응기의 반응온도는 70 내지 140℃인 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 12항에 있어서,제1반응기의 반응온도는 재순환 피드의 온도와 무수 염화수소의 용해열로부터 유지되는 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 14항에 있어서,무수 염화수소가 연속적으로 공급되어 가압하에 반응이 진행되는 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 1항 내지 제 5항에서 선택되는 어느 한 항에 있어서,증류컬럼 상부로부터 분리되는 증류생산물은 클로로히드린, 유기산 촉매 및 물을 포함하는 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 16항에 있어서,증류생산물 총 중량 기준으로 클로로히드린의 함량은 50 내지 90중량%인 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 제 16항에 있어서,상기 증류생산물은 감압증류에 의하여 분리되는 것을 특징으로 하는 클로로히드린의 연속제조방법.
- 삭제
- 제 16항에 따른 클로로히드린을 포함하는 증류생산물로부터 분리단계 없이 에피클로로히드린을 제조하는 방법.
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| KR1020070097675A KR101410019B1 (ko) | 2007-09-28 | 2007-09-28 | 다가알코올과 염화수소의 반응에 의한 클로로히드린화합물의 제조방법 |
| PCT/KR2008/005474 WO2009041766A1 (en) | 2007-09-28 | 2008-09-17 | Process for preparing chlorohydrin by reaction of polyol with hydrochloric acid |
| CN2008801143217A CN101842339B (zh) | 2007-09-28 | 2008-09-17 | 通过多元醇与氢氯酸的反应制备氯代醇的方法 |
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| KR101705209B1 (ko) * | 2010-06-30 | 2017-02-09 | 롯데정밀화학 주식회사 | 클로로히드린류 조성물의 제조방법 및 그 방법에 의해 제조된 클로로히드린류 조성물을 사용하는 에피클로로히드린의 제조방법 |
| KR101705208B1 (ko) * | 2010-06-30 | 2017-02-09 | 롯데정밀화학 주식회사 | 클로로히드린류 조성물의 제조방법 및 그 방법에 의해 제조된 클로로히드린류 조성물을 사용하는 에피클로로히드린의 제조방법 |
| KR101705207B1 (ko) * | 2010-06-30 | 2017-02-09 | 롯데정밀화학 주식회사 | 클로로히드린류의 제조방법 및 그 방법에 의해 제조된 클로로히드린류를 사용하는 에피클로로히드린의 제조방법 |
| KR101705205B1 (ko) * | 2010-06-30 | 2017-02-09 | 롯데정밀화학 주식회사 | 클로로히드린류의 제조방법 및 그 방법에 의해 제조된 클로로히드린류를 사용하는 에피클로로히드린의 제조방법 |
| KR101705206B1 (ko) * | 2010-06-30 | 2017-02-09 | 롯데정밀화학 주식회사 | 클로로히드린류의 제조방법 및 그 방법에 의해 제조된 클로로히드린류를 사용하는 에피클로로히드린의 제조방법 |
| KR101705210B1 (ko) * | 2010-06-30 | 2017-02-09 | 롯데정밀화학 주식회사 | 클로로히드린류 조성물의 제조방법 및 그 방법에 의해 제조된 클로로히드린류 조성물을 사용하는 에피클로로히드린의 제조방법 |
| CN110922299A (zh) * | 2019-11-07 | 2020-03-27 | 无锡市银杏塑业科技有限公司 | 一种高含量2-氯乙醇的连续制备方法 |
| CN113234041B (zh) * | 2021-04-07 | 2023-03-10 | 江苏瑞恒新材料科技有限公司 | 一种环氧氯丙烷的制备方法 |
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|---|---|---|---|---|
| US4665240A (en) | 1986-05-27 | 1987-05-12 | Shell Oil Company | Process for the production of dichlorohydrin |
| WO2006020234A1 (en) | 2004-07-21 | 2006-02-23 | Dow Global Technologies Inc. | Conversion of a multihydroxylated-aliphatic hydrocarbon or ester thereof to a chlorohydrin |
| WO2006106154A1 (fr) | 2005-05-20 | 2006-10-12 | Solvay (Société Anonyme) | Procede continu de fabrication de chlorhydrines |
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| JPS60258171A (ja) * | 1984-06-04 | 1985-12-20 | Showa Denko Kk | エピクロルヒドリンの製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4665240A (en) | 1986-05-27 | 1987-05-12 | Shell Oil Company | Process for the production of dichlorohydrin |
| WO2006020234A1 (en) | 2004-07-21 | 2006-02-23 | Dow Global Technologies Inc. | Conversion of a multihydroxylated-aliphatic hydrocarbon or ester thereof to a chlorohydrin |
| WO2006106154A1 (fr) | 2005-05-20 | 2006-10-12 | Solvay (Société Anonyme) | Procede continu de fabrication de chlorhydrines |
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| CN101842339B (zh) | 2013-08-28 |
| KR20090032429A (ko) | 2009-04-01 |
| CN101842339A (zh) | 2010-09-22 |
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