KR100874568B1 - 테레프탈알데히드의 정제방법 - Google Patents
테레프탈알데히드의 정제방법 Download PDFInfo
- Publication number
- KR100874568B1 KR100874568B1 KR1020060059438A KR20060059438A KR100874568B1 KR 100874568 B1 KR100874568 B1 KR 100874568B1 KR 1020060059438 A KR1020060059438 A KR 1020060059438A KR 20060059438 A KR20060059438 A KR 20060059438A KR 100874568 B1 KR100874568 B1 KR 100874568B1
- Authority
- KR
- South Korea
- Prior art keywords
- terephthalaldehyde
- solvent
- water
- purity
- dimethyl sulfoxide
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
-
- 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
- C07C47/06—Acetaldehyde
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (6)
- 불순물을 함유하는 테레프탈알데히드 결정을 디메틸설폭사이드에 용해시킨 후, 안티솔벤트(anti-solvent)를 사용하여 재결정하는 단계를 포함하는 테레프탈알데히드의 정제방법.
- 제1항에 있어서,상기 안티솔벤트로 물을 사용하는 것을 특징으로 하는 테레프탈알데히드의 정제방법.
- 제1항에 있어서,상기 안티솔벤트 : 디메틸설폭사이드의 질량비가 0.05 ~ 4 :1인 것을 특징으로 하는 테레프탈알데히드의 정제방법.
- 제1항에 있어서,상기 안티솔벤트 : 디메틸설폭사이드의 질량비가 0.1 ~ 3 : 1인 것을 특징으로 하는 테레프탈알데히드의 정제방법.
- 제1항에 있어서,안티솔벤트(anti-solvent)를 사용하여 재결정하는 단계는 테레프탈알데히드가 용해된 디메틸설폭사이드 용액에 안티솔벤트를 첨가하고, 10분 내지 2시간 동안 방치하는 것을 특징으로 하는 테레프탈알데히드의 정제방법.
- 제1항에 있어서,재결정화된 테레프탈알데히드를 여과하고 건조시키는 단계를 포함하는 것을 특징으로 하는 테레프탈알데히드의 정제방법.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060059438A KR100874568B1 (ko) | 2006-06-29 | 2006-06-29 | 테레프탈알데히드의 정제방법 |
CN200780024375XA CN101563309B (zh) | 2006-06-29 | 2007-06-14 | 纯化对苯二甲醛的方法 |
US12/308,714 US7714173B2 (en) | 2006-06-29 | 2007-06-14 | Method for purifying terephthalaldehyde |
JP2009517961A JP4990972B2 (ja) | 2006-06-29 | 2007-06-14 | テレフタルアルデヒドの精製方法 |
PCT/KR2007/002893 WO2008002028A1 (en) | 2006-06-29 | 2007-06-14 | Method for purifying terephthalaldehyde |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060059438A KR100874568B1 (ko) | 2006-06-29 | 2006-06-29 | 테레프탈알데히드의 정제방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080001240A KR20080001240A (ko) | 2008-01-03 |
KR100874568B1 true KR100874568B1 (ko) | 2008-12-16 |
Family
ID=38845755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060059438A KR100874568B1 (ko) | 2006-06-29 | 2006-06-29 | 테레프탈알데히드의 정제방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7714173B2 (ko) |
JP (1) | JP4990972B2 (ko) |
KR (1) | KR100874568B1 (ko) |
CN (1) | CN101563309B (ko) |
WO (1) | WO2008002028A1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101040700B1 (ko) * | 2006-11-16 | 2011-06-10 | 주식회사 엘지화학 | 테레프탈알데히드의 정제방법 |
CN103896751B (zh) * | 2014-03-24 | 2015-12-02 | 福建远大医药科技有限公司 | 一种生产对苯二甲醛的母液循环套用工艺 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4174352A (en) | 1978-05-08 | 1979-11-13 | The Dow Chemical Company | Process for aqueous chromate ion oxidation of allylic halides and halomethylated aromatics to allylic and aromatic aldehydes |
US4579977A (en) | 1984-12-20 | 1986-04-01 | Phillips Petroleum Company | Process for the oxidation of organic halides to organic aldehydes |
US6437176B2 (en) | 1996-05-17 | 2002-08-20 | Toray Industries, Inc. | Method for preparing aromatic carboxylic acids, aromatic aldehydes, and aromatic alcohols |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2888488A (en) * | 1957-09-03 | 1959-05-26 | Du Pont | Process for the preparation of aldehydes |
DE2808930A1 (de) * | 1978-03-02 | 1979-09-06 | Bayer Ag | Verfahren zur herstellung von 2-nitrobenzaldehyd |
FR2625194B1 (fr) * | 1987-12-24 | 1990-05-04 | Air Liquide | Procede de production d'aldehydes aromatiques |
JP2001199910A (ja) * | 2000-01-18 | 2001-07-24 | Tosoh Corp | 芳香族化合物の製造方法 |
JP2003155259A (ja) * | 2001-09-10 | 2003-05-27 | Toyo Kasei Kogyo Co Ltd | 芳香族アルデヒドの製造方法および新規な芳香族ジアルデヒド |
KR100657744B1 (ko) * | 2005-01-26 | 2006-12-13 | 주식회사 엘지화학 | 테레프탈알데히드의 정제방법 |
-
2006
- 2006-06-29 KR KR1020060059438A patent/KR100874568B1/ko active IP Right Grant
-
2007
- 2007-06-14 JP JP2009517961A patent/JP4990972B2/ja active Active
- 2007-06-14 WO PCT/KR2007/002893 patent/WO2008002028A1/en active Application Filing
- 2007-06-14 CN CN200780024375XA patent/CN101563309B/zh active Active
- 2007-06-14 US US12/308,714 patent/US7714173B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4174352A (en) | 1978-05-08 | 1979-11-13 | The Dow Chemical Company | Process for aqueous chromate ion oxidation of allylic halides and halomethylated aromatics to allylic and aromatic aldehydes |
US4579977A (en) | 1984-12-20 | 1986-04-01 | Phillips Petroleum Company | Process for the oxidation of organic halides to organic aldehydes |
US6437176B2 (en) | 1996-05-17 | 2002-08-20 | Toray Industries, Inc. | Method for preparing aromatic carboxylic acids, aromatic aldehydes, and aromatic alcohols |
Also Published As
Publication number | Publication date |
---|---|
WO2008002028A1 (en) | 2008-01-03 |
JP4990972B2 (ja) | 2012-08-01 |
CN101563309B (zh) | 2012-07-04 |
US7714173B2 (en) | 2010-05-11 |
US20100048958A1 (en) | 2010-02-25 |
JP2009542630A (ja) | 2009-12-03 |
KR20080001240A (ko) | 2008-01-03 |
CN101563309A (zh) | 2009-10-21 |
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