KR100657744B1 - 테레프탈알데히드의 정제방법 - Google Patents
테레프탈알데히드의 정제방법 Download PDFInfo
- Publication number
- KR100657744B1 KR100657744B1 KR1020050007156A KR20050007156A KR100657744B1 KR 100657744 B1 KR100657744 B1 KR 100657744B1 KR 1020050007156 A KR1020050007156 A KR 1020050007156A KR 20050007156 A KR20050007156 A KR 20050007156A KR 100657744 B1 KR100657744 B1 KR 100657744B1
- Authority
- KR
- South Korea
- Prior art keywords
- terephthalaldehyde
- solvent
- water
- present
- purity
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—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
- 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
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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
구분 | 안티솔벤트 | 용매 | 안티솔벤트 : 용매 | TPAL 수율 (%) | 정제 후 순도 (%) | 비고 |
실시예 1 | 물 | 메탄올 | 0.5 : 1 | 38.8 | 99.6 | |
실시예 2 | 물 | 메탄올 | 1 : 1 | 56.4 | 99.9 | |
실시예 3 | 물 | 메탄올 | 3 : 1 | 71.8 | 99.7 | |
실시예 4 | 물 | 메탄올 | 5 : 1 | 78.6 | 99.7 | |
실시예 5 | 물 | 메탄올 | 7 : 1 | 79 | 99.6 | |
실시예 6 | 물 | 메탄올 | 10 : 1 | 79.2 | 99.6 | |
실시예 7 | 물 | 에탄올 | 5 : 1 | 76.8 | 99.9 | |
비교예 1 | - | 메탄올 | - | 0.2 | - | 냉각법 |
비교예 2 | - | 메탄올 | - | 48 | 99.3 | 냉각법 |
Claims (5)
- 테레프탈알데히드의 정제방법에 있어서, 불순물을 함유하는 테레프탈알데히드 결정을 용매에 용해시킨 후, 안티솔벤트(anti-solvent)를 사용하여 재결정하는 단계를 포함하는 것을 특징으로 하는 테레프탈알데히드의 정제방법.
- 제1항에 있어서,상기 용매가 메탄올, 에탄올, 프로판올, 이소프로필알콜, 디올, 및 아세톤으로 이루어지는 군으로부터 1 종 이상 선택되는 것을 특징으로 하는 테레프탈알데히드의 정제방법.
- 제1항에 있어서,상기 안티솔벤트로 물을 사용하는 것을 특징으로 하는 고순도 테레프탈알데히드의 정제방법.
- 제1항에 있어서,상기 안티솔벤트 : 용매의 질량비가 적어도 1인 것을 특징으로 하는 테레프탈알데히드의 정제방법.
- 제1항에 있어서,상기 안티솔벤트 : 용매의 질량비가 1 내지 10인 것을 특징으로 하는 테레프탈알데히드의 정제방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050007156A KR100657744B1 (ko) | 2005-01-26 | 2005-01-26 | 테레프탈알데히드의 정제방법 |
TW094140890A TWI297617B (en) | 2005-01-26 | 2005-11-22 | Purification method of terephthal aldehyde |
PCT/KR2005/003965 WO2006080769A1 (en) | 2005-01-26 | 2005-11-23 | Purification method of terephthalaldehyde |
CN2005800280088A CN101006044B (zh) | 2005-01-26 | 2005-11-23 | 对苯二甲醛的提纯方法 |
JP2007538837A JP2008518000A (ja) | 2005-01-26 | 2005-11-23 | テレフタルアルデヒドの精製方法 |
US11/294,526 US7183442B2 (en) | 2005-01-26 | 2005-12-06 | Purification method of terephthal aldehyde |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050007156A KR100657744B1 (ko) | 2005-01-26 | 2005-01-26 | 테레프탈알데히드의 정제방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060086196A KR20060086196A (ko) | 2006-07-31 |
KR100657744B1 true KR100657744B1 (ko) | 2006-12-13 |
Family
ID=36697826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050007156A KR100657744B1 (ko) | 2005-01-26 | 2005-01-26 | 테레프탈알데히드의 정제방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7183442B2 (ko) |
JP (1) | JP2008518000A (ko) |
KR (1) | KR100657744B1 (ko) |
CN (1) | CN101006044B (ko) |
TW (1) | TWI297617B (ko) |
WO (1) | WO2006080769A1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006321794A (ja) * | 2005-04-19 | 2006-11-30 | Mitsubishi Chemicals Corp | 芳香族アルデヒド化合物の精製方法、精製された芳香族アルデヒド化合物、それを用いた電子材料、電子写真感光体及び電子デバイス |
KR100874568B1 (ko) * | 2006-06-29 | 2008-12-16 | 주식회사 엘지화학 | 테레프탈알데히드의 정제방법 |
KR101040700B1 (ko) * | 2006-11-16 | 2011-06-10 | 주식회사 엘지화학 | 테레프탈알데히드의 정제방법 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4328374A (en) | 1979-07-05 | 1982-05-04 | Mitsubishi Gas Chemical Co., Inc. | Process for the production of aromatic dialdehydes |
US4465865A (en) | 1979-08-28 | 1984-08-14 | Dynamit Nobel Aktiengesellschaft | Method of preparing terephthalic aldehyde and isophthalic aldehyde |
JPS6039183A (ja) | 1983-08-13 | 1985-02-28 | Oosakashi | テレフタルアルデヒドの製造方法 |
JP2000026359A (ja) | 1998-07-07 | 2000-01-25 | Ihara Nikkei Kagaku Kogyo Kk | 芳香族−o−ジアルデヒド化合物の製造方法 |
KR20010043917A (ko) * | 1998-05-29 | 2001-05-25 | 로빈 에이. 콘미어 | 정제된 테레프탈산과 이소프탈산을 혼합 크실렌으로부터제조하는 방법 |
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 (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2888488A (en) * | 1957-09-03 | 1959-05-26 | Du Pont | Process for the preparation of aldehydes |
US4017547A (en) * | 1975-09-08 | 1977-04-12 | Eastman Kodak Company | Oxidation of p-xylene to terephthalaldehyde |
JPS5724321A (en) * | 1980-07-16 | 1982-02-08 | Mitsubishi Gas Chem Co Inc | Preparation of aromatic aldehyde |
FR2625194B1 (fr) * | 1987-12-24 | 1990-05-04 | Air Liquide | Procede de production d'aldehydes aromatiques |
JPH11217345A (ja) * | 1997-10-28 | 1999-08-10 | Teijin Chem Ltd | 臭素化合物の精製方法 |
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 |
DE10216967A1 (de) * | 2002-04-16 | 2003-11-13 | Bayer Ag | Verfahren zur Herstellung spezieller aromatischer Aldehyde |
-
2005
- 2005-01-26 KR KR1020050007156A patent/KR100657744B1/ko active IP Right Grant
- 2005-11-22 TW TW094140890A patent/TWI297617B/zh active
- 2005-11-23 WO PCT/KR2005/003965 patent/WO2006080769A1/en active Application Filing
- 2005-11-23 JP JP2007538837A patent/JP2008518000A/ja active Pending
- 2005-11-23 CN CN2005800280088A patent/CN101006044B/zh active Active
- 2005-12-06 US US11/294,526 patent/US7183442B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4328374A (en) | 1979-07-05 | 1982-05-04 | Mitsubishi Gas Chemical Co., Inc. | Process for the production of aromatic dialdehydes |
US4465865A (en) | 1979-08-28 | 1984-08-14 | Dynamit Nobel Aktiengesellschaft | Method of preparing terephthalic aldehyde and isophthalic aldehyde |
JPS6039183A (ja) | 1983-08-13 | 1985-02-28 | Oosakashi | テレフタルアルデヒドの製造方法 |
US6437176B2 (en) | 1996-05-17 | 2002-08-20 | Toray Industries, Inc. | Method for preparing aromatic carboxylic acids, aromatic aldehydes, and aromatic alcohols |
KR20010043917A (ko) * | 1998-05-29 | 2001-05-25 | 로빈 에이. 콘미어 | 정제된 테레프탈산과 이소프탈산을 혼합 크실렌으로부터제조하는 방법 |
JP2000026359A (ja) | 1998-07-07 | 2000-01-25 | Ihara Nikkei Kagaku Kogyo Kk | 芳香族−o−ジアルデヒド化合物の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101006044A (zh) | 2007-07-25 |
TWI297617B (en) | 2008-06-11 |
JP2008518000A (ja) | 2008-05-29 |
CN101006044B (zh) | 2011-01-26 |
TW200626222A (en) | 2006-08-01 |
US7183442B2 (en) | 2007-02-27 |
US20060167320A1 (en) | 2006-07-27 |
WO2006080769A1 (en) | 2006-08-03 |
KR20060086196A (ko) | 2006-07-31 |
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