KR20020001600A - 폴리올 제조방법 - Google Patents
폴리올 제조방법 Download PDFInfo
- Publication number
- KR20020001600A KR20020001600A KR1020010036488A KR20010036488A KR20020001600A KR 20020001600 A KR20020001600 A KR 20020001600A KR 1020010036488 A KR1020010036488 A KR 1020010036488A KR 20010036488 A KR20010036488 A KR 20010036488A KR 20020001600 A KR20020001600 A KR 20020001600A
- Authority
- KR
- South Korea
- Prior art keywords
- extractant
- extract
- water
- polyol
- extraction
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
-
- 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
- C07C29/36—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
- C07C29/38—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones
-
- 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
- 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
- C07C29/86—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
-
- 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
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (10)
- 염기성 촉매의 존재하에 다음 식(i)으로 표현되는 지방족 알데히드와 포름알데히드를 반응시켜 폴리올을 제조하는 방법으로서,(1) 반응액으로부터 물과 미반응 포름알데히드를 증류하여 제거하는 것을 포함하는 농축단계와; (2) 농축된 반응액으로부터 폴리올을 추출제를 이용하여 추출하는 것을 포함하는 추출단계와; (3) 추출액을 물로 세척하고 및 폴리올을 함유하는 오일층과 수성층으로 분리하는 것을 포함하는 물세척단계로 구성되고;(여기서, R1및 R2은 각각 수소원자 혹은 1-6 탄소원자를 가진 지방족 알킬기를 표시한다)다음 식(ii)으로 표현되는 특정의 지방족 알데히드를 추출제로 사용하고, 오일층의 pH를 조정한 후 폴리올 함유 오일층으로부터 추출제를 회수하는 것을 특징으로 하는 폴리올 제조방법.(여기서, R3은 수소원자 혹은 1-2 탄소원자를 가진 지방족 알킬기를 R4은 1-5 탄소원자를 가진 지방족 알킬기를 표시한다)
- 제1항에 있어서,오일층의 pH는 물세척 단계에서 6.0 내지 9.0의 범위에서 조절되는 것을 특징으로 하는 제조방법.
- 제1항에 있어서,염기성 촉매는 물세척 단계에서 pH값을 조절하기 위해 사용되는 것을 특징으로 하는 제조방법.
- 제1항에 있어서,추출제를 오일층에서 회수할 때 오일층을 사전 열처리 및 증류탑의 상단에 순간방출하는 것을 특징으로 하는 제조방법.
- 제1항에 있어서,추출제는 오일층에서 회수되고 물 혹은 증기는 증류탑의 하부로 공급되는 것을 특징으로 하는 제조방법.
- 제1항에 있어서,반응 원료로 사용되는 지방족 알데히드와 동일한 지방족 알데히드를 추출제로 사용하고,회수된 추출제의 일부를 원료로 사용하는 것을 특징으로 하는 제조방법.
- 제6항에 있어서,회수된 추출제는 처음 공급된 지방족 알데히드에 대한 상기 추출제의 중량비가 0.1 내지 1이 되는 양으로 사용되는 것을 특징으로 하는 제조방법.
- 제1항에 있어서,추출액은 물세척 단계에서 물세척하고, 디캔터를 이용하여 분리한 수성층의 추출제는 증류제거하고, 또한 증류탑 하부에서 수득된 물은 농축단계로 재순환되는 것을 특징으로 하는 제조방법.
- 제1항에 있어서,추출액은 물세척 단계에서 물세척하고, 추출제 및 디캔터를 이용하여 분리한 수성층의 물의 일부는 증류제거하고, 또한 증류탑 하부에서 수득된 물은 추출단계로 재순환되는 것을 특징으로 하는 제조방법.
- 제9항에 있어서,증류탑 하부에서 수득되고 추출단계로 재순환되는 액체는 20 내지 80중량%의 물을 함유하는 것을 특징으로 방법.
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000192470A JP4691756B2 (ja) | 2000-06-27 | 2000-06-27 | ポリオールの製造法 |
JP2000192468A JP2002003419A (ja) | 2000-06-27 | 2000-06-27 | 多価アルコールの製造方法 |
JP2000-192471 | 2000-06-27 | ||
JP2000-192470 | 2000-06-27 | ||
JP2000-192468 | 2000-06-27 | ||
JP2000192471A JP4599664B2 (ja) | 2000-06-27 | 2000-06-27 | 多価アルコールの製造法 |
JP2000192469A JP4635300B2 (ja) | 2000-06-27 | 2000-06-27 | ポリオールの製造方法 |
JP2000-192469 | 2000-06-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020001600A true KR20020001600A (ko) | 2002-01-09 |
KR100763098B1 KR100763098B1 (ko) | 2007-10-04 |
Family
ID=27481386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010036488A KR100763098B1 (ko) | 2000-06-27 | 2001-06-26 | 폴리올 제조방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7087800B2 (ko) |
EP (1) | EP1167330B1 (ko) |
KR (1) | KR100763098B1 (ko) |
CN (1) | CN1325453C (ko) |
DE (1) | DE60130708T2 (ko) |
TW (1) | TW521070B (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009026274A1 (en) | 2007-08-22 | 2009-02-26 | Medarex, Inc. | Site-specific attachment of drugs or other agents to engineered antibodies with c-terminal extensions |
EP2281794B1 (de) * | 2009-08-07 | 2015-10-14 | LANXESS Deutschland GmbH | Verfahren zur Farbzahlverbesserung von Trimethylolpropan |
US8710278B1 (en) * | 2013-01-31 | 2014-04-29 | Eastman Chemical Company | Process for producing polyols |
US9056824B2 (en) | 2013-01-31 | 2015-06-16 | Eastman Chemical Company | Preparation of hydroxy aldehydes |
RU2560156C1 (ru) * | 2014-09-12 | 2015-08-20 | Открытое акционерное общество "Нефтяная компания "Роснефть" | Способ получения этриола |
EP3315484B1 (de) * | 2016-10-25 | 2019-02-27 | OXEA GmbH | Verfahren zur koppelproduktion von polyolen in gegenwart einer anorganischen base |
CN110372475A (zh) * | 2019-08-16 | 2019-10-25 | 南通百川新材料有限公司 | 一种低酸度高收率三羟甲基丙烷的合成工艺 |
CN114524712A (zh) * | 2022-01-24 | 2022-05-24 | 南通百川新材料有限公司 | 一种冷冻缩合制备三羟甲基丙烷的工艺方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3956406A (en) * | 1974-10-04 | 1976-05-11 | Eastman Kodak Company | Purification of trimethylolpropane |
JPS6193133A (ja) | 1984-10-12 | 1986-05-12 | Mitsubishi Gas Chem Co Inc | 多価アルコ−ルの回収法 |
CN1076185A (zh) * | 1993-01-08 | 1993-09-15 | 北京市助剂研究所 | 三羟甲基丙烷生产工艺改进 |
US5608121A (en) | 1994-10-20 | 1997-03-04 | Mitsubishi Gas Chemical Company, Inc. | Process for producing polyhydric alcohol |
US5948943A (en) * | 1997-10-16 | 1999-09-07 | Celanese International Corporation | Process improvement to produce low color trimethylolpropane |
-
2001
- 2001-06-06 US US09/874,276 patent/US7087800B2/en not_active Expired - Lifetime
- 2001-06-07 EP EP01113870A patent/EP1167330B1/en not_active Expired - Lifetime
- 2001-06-07 DE DE60130708T patent/DE60130708T2/de not_active Expired - Lifetime
- 2001-06-26 KR KR1020010036488A patent/KR100763098B1/ko active IP Right Grant
- 2001-06-26 TW TW090115390A patent/TW521070B/zh not_active IP Right Cessation
- 2001-06-27 CN CNB01121841XA patent/CN1325453C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1167330A3 (en) | 2003-05-02 |
KR100763098B1 (ko) | 2007-10-04 |
EP1167330B1 (en) | 2007-10-03 |
DE60130708D1 (de) | 2007-11-15 |
EP1167330A2 (en) | 2002-01-02 |
US7087800B2 (en) | 2006-08-08 |
CN1340492A (zh) | 2002-03-20 |
US20020007095A1 (en) | 2002-01-17 |
CN1325453C (zh) | 2007-07-11 |
DE60130708T2 (de) | 2008-01-24 |
TW521070B (en) | 2003-02-21 |
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