KR100398992B1 - 디메틸 아디페이트 증류방법 - Google Patents
디메틸 아디페이트 증류방법 Download PDFInfo
- Publication number
- KR100398992B1 KR100398992B1 KR10-2001-0023832A KR20010023832A KR100398992B1 KR 100398992 B1 KR100398992 B1 KR 100398992B1 KR 20010023832 A KR20010023832 A KR 20010023832A KR 100398992 B1 KR100398992 B1 KR 100398992B1
- Authority
- KR
- South Korea
- Prior art keywords
- dimethyl adipate
- purity
- adipate
- dimethyl
- distillation column
- Prior art date
Links
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
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/34—Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom
- C07C69/44—Adipic acid esters
Abstract
Description
시험항목 | 원료 spec. | 제품 spec. |
Dimethyl Adipate(wt%) | 88.42 | 99.5 min |
Dimethyl Glutarate(wt%) | 7.87 | 1.0 max |
Dimethyl Succinate(wt%) | 0.18 | 0.15 max |
메탄올(wt%) | 0.1 max | |
수분(wt%) | 0.36 | 0.05 max |
산가(mg/g) | 1.0 max | |
색상(APHA) | 5 | 20 max |
Claims (1)
- 순도 80∼90%의 디메틸 아디페이트를 1차 증류탑에 투입하여 40∼250mmHg의 진공압과 100∼180℃의 온도에서 정제하고, 1차 증류탑에서 정제된 디메틸 아디페이트를 2차 증류탑에 투입하여 20∼180mmHg의 진공압과 150∼185℃의 온도에서 정제하여 99.5% 이상의 고순도 디메틸 아디페이트를 생성하는 것을 특징으로 하는 디메틸 아디페이트의 증류방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0023832A KR100398992B1 (ko) | 2001-05-02 | 2001-05-02 | 디메틸 아디페이트 증류방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0023832A KR100398992B1 (ko) | 2001-05-02 | 2001-05-02 | 디메틸 아디페이트 증류방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020084744A KR20020084744A (ko) | 2002-11-11 |
KR100398992B1 true KR100398992B1 (ko) | 2003-09-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0023832A KR100398992B1 (ko) | 2001-05-02 | 2001-05-02 | 디메틸 아디페이트 증류방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100398992B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100512061B1 (ko) * | 2002-05-02 | 2005-09-05 | 재원산업 주식회사 | 노말 헵탄의 정제방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3859335A (en) * | 1972-06-22 | 1975-01-07 | Erz And Stahl Ag | Process for obtaining esters from cyclohexanone waste |
US4365080A (en) * | 1981-05-20 | 1982-12-21 | El Paso Products Company | Production of dimethyl esters |
EP0847980A1 (fr) * | 1996-12-12 | 1998-06-17 | RHODIA FIBER & RESIN INTERMEDIATES | Procédé de traitement de mélanges réactionnels issus de l'oxydation du cyclohexane |
KR0141253B1 (ko) * | 1987-03-27 | 1998-07-01 | 오노 알버어스 | 아디프산의 디에스테르 제조방법 |
-
2001
- 2001-05-02 KR KR10-2001-0023832A patent/KR100398992B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3859335A (en) * | 1972-06-22 | 1975-01-07 | Erz And Stahl Ag | Process for obtaining esters from cyclohexanone waste |
US4365080A (en) * | 1981-05-20 | 1982-12-21 | El Paso Products Company | Production of dimethyl esters |
KR0141253B1 (ko) * | 1987-03-27 | 1998-07-01 | 오노 알버어스 | 아디프산의 디에스테르 제조방법 |
EP0847980A1 (fr) * | 1996-12-12 | 1998-06-17 | RHODIA FIBER & RESIN INTERMEDIATES | Procédé de traitement de mélanges réactionnels issus de l'oxydation du cyclohexane |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100512061B1 (ko) * | 2002-05-02 | 2005-09-05 | 재원산업 주식회사 | 노말 헵탄의 정제방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20020084744A (ko) | 2002-11-11 |
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