KR101072879B1 - 고순도 테레프탈로일 클로라이드의 제조방법 - Google Patents
고순도 테레프탈로일 클로라이드의 제조방법 Download PDFInfo
- Publication number
- KR101072879B1 KR101072879B1 KR1020090030223A KR20090030223A KR101072879B1 KR 101072879 B1 KR101072879 B1 KR 101072879B1 KR 1020090030223 A KR1020090030223 A KR 1020090030223A KR 20090030223 A KR20090030223 A KR 20090030223A KR 101072879 B1 KR101072879 B1 KR 101072879B1
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- South Korea
- Prior art keywords
- chloride
- terephthaloyl chloride
- reaction
- terephthaloyl
- terephthalic acid
- Prior art date
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/14—Monocyclic dicarboxylic acids
- C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
- C07C63/26—1,4 - Benzenedicarboxylic acid
- C07C63/30—Halides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0237—Amines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0245—Nitrogen containing compounds being derivatives of carboxylic or carbonic acids
- B01J31/0247—Imides, amides or imidates (R-C=NR(OR))
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
- C07C51/60—Preparation of carboxylic acid halides by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
- C07C51/64—Separation; Purification; Stabilisation; Use of additives
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (6)
- (B) 반응 생성물인 테레프탈로일 클로라이드 용제에, (A) 테레프탈산, (C) 티오닐 클로라이드 및 (D) 다이메틸포름아마이드(N,N-dimethylformamide), 다이에틸포름아미드(N,N-diethylformamide), 다이메틸아세트아미드(N,N-dimethylacetamide) 및 다이에틸아세트아미드(N,N-diethylacetamide) 중에서 선택되는 아마이드계 촉매 또는 트라이에틸아민(tri-ethylamine), 다이메틸아민(di-methylamine), 다이에틸아민(di-ethylamine), 다이부틸아민(di-butylamine), 트리메틸아민(tri-methylamine) 및 트리부틸아민(tri-butylamine) 중에서 선택되는 아민계 촉매를 첨가하여 반응시키며;티오닐 클로라이드(C)는 테레프탈산(A)과 몰 비(A : C) 1:2 내지 2.5로 사용되는 고순도 테레프탈로일 클로라이드의 제조방법.
- 제 1항에 있어서,상기 테레프탈로일 클로라이드(B)는 테레프탈산(A)과 몰 비(A : B) 1 : 0.5 내지 5로 사용되는 테레프탈로일 클로라이드의 제조방법.
- 제 2항에 있어서,상기 아마이드계 촉매 또는 아민계 촉매는 테레프탈산 총 중량 대비 1 내지 10 중량%로 사용되는 테레프탈로일 클로라이드의 제조방법.
- 삭제
- 제 1항에 있어서,상기 반응 중에 생성되는 부산물은 흡수탑 내의 순환액에 의해 제거되며, 순환액은 가성소다 수용액, 수산화칼륨 수용액 및 수산화리튬 수용액 중에서 선택되는 것인 테레프탈로일 클로라이드의 제조방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090030223A KR101072879B1 (ko) | 2009-04-08 | 2009-04-08 | 고순도 테레프탈로일 클로라이드의 제조방법 |
Applications Claiming Priority (1)
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KR1020090030223A KR101072879B1 (ko) | 2009-04-08 | 2009-04-08 | 고순도 테레프탈로일 클로라이드의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20100111825A KR20100111825A (ko) | 2010-10-18 |
KR101072879B1 true KR101072879B1 (ko) | 2011-10-17 |
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KR1020090030223A KR101072879B1 (ko) | 2009-04-08 | 2009-04-08 | 고순도 테레프탈로일 클로라이드의 제조방법 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117865800B (zh) * | 2024-03-13 | 2024-05-10 | 中蓝晨光化工研究设计院有限公司 | 一种便于分离催化剂的对苯二甲酰氯的制备工艺、系统及控制系统 |
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2009
- 2009-04-08 KR KR1020090030223A patent/KR101072879B1/ko active IP Right Grant
Non-Patent Citations (1)
Title |
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Die Angewandte Makromolekulare Chemie 134(1985) 113-123* |
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KR20100111825A (ko) | 2010-10-18 |
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