CN100545142C - 回收4-甲酰基苯甲酸甲酯和对苯二甲酸二甲酯的方法 - Google Patents

回收4-甲酰基苯甲酸甲酯和对苯二甲酸二甲酯的方法 Download PDF

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Publication number
CN100545142C
CN100545142C CNB2004100818882A CN200410081888A CN100545142C CN 100545142 C CN100545142 C CN 100545142C CN B2004100818882 A CNB2004100818882 A CN B2004100818882A CN 200410081888 A CN200410081888 A CN 200410081888A CN 100545142 C CN100545142 C CN 100545142C
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CN
China
Prior art keywords
methyl benzoate
dmt
acyl radical
water
radical methyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2004100818882A
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English (en)
Chinese (zh)
Other versions
CN1663943A (zh
Inventor
金优善
刘永甲
朴茂德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SK Innovation Co Ltd
SK Geo Centric Co Ltd
Original Assignee
SK Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SK Corp filed Critical SK Corp
Publication of CN1663943A publication Critical patent/CN1663943A/zh
Application granted granted Critical
Publication of CN100545142C publication Critical patent/CN100545142C/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • C07C69/80—Phthalic acid esters
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CNB2004100818882A 2004-02-27 2004-12-31 回收4-甲酰基苯甲酸甲酯和对苯二甲酸二甲酯的方法 Expired - Fee Related CN100545142C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040013412A KR100789557B1 (ko) 2004-02-27 2004-02-27 디메틸 테레프탈레이트 제조공정의 부산물로부터메틸-4-포밀벤조에이트와 디메틸 테레프탈레이트의분리회수방법
KR1020040013412 2004-02-27

Publications (2)

Publication Number Publication Date
CN1663943A CN1663943A (zh) 2005-09-07
CN100545142C true CN100545142C (zh) 2009-09-30

Family

ID=35035278

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100818882A Expired - Fee Related CN100545142C (zh) 2004-02-27 2004-12-31 回收4-甲酰基苯甲酸甲酯和对苯二甲酸二甲酯的方法

Country Status (2)

Country Link
KR (1) KR100789557B1 (ko)
CN (1) CN100545142C (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100814597B1 (ko) * 2006-10-13 2008-03-17 에스케이에너지 주식회사 메틸 4-포밀벤조에이트와 디메틸테레프탈레이트의 분리방법
KR101341449B1 (ko) 2011-01-25 2013-12-13 주식회사 네이퓨 디메틸 테레프탈레이트 제조공정의 부산물로부터 ｐ-클로로메틸벤조산 및 벤조산의 제조방법
KR101885110B1 (ko) * 2016-11-10 2018-08-03 주식회사 오크켐텍 파라페닐렌디아민의 제조방법
CN114163619B (zh) * 2021-12-27 2023-03-31 江苏恒科新材料有限公司 一种低b值的聚酯切片及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4760165A (en) 1985-11-13 1988-07-26 Teijin Petrochemical Industries, Ltd. Recovering useful components at least containing dimethyl terephthalate from high-boiling byproducts occurring in the production of dimethyl terephthalate
KR0124964B1 (ko) * 1993-12-24 1997-12-01 강박광 디메틸테레프탈레이트 증류잔사로부터 고순도의 4-카르복시벤즈알데히드를 제조하는 방법
KR100208120B1 (ko) 1997-05-07 1999-07-15 조민호 디메틸 테레프탈레이트 제조공정 중 발생하는 메틸 파라포밀벤조에이트의 재활용 방법

Also Published As

Publication number Publication date
KR20050087544A (ko) 2005-08-31
KR100789557B1 (ko) 2007-12-28
CN1663943A (zh) 2005-09-07

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Owner name: SK RESOURCE CO., LTD.

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Effective date: 20080215

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Address after: Seoul, South Kerean

Applicant after: SK ENERGY Co.,Ltd.

Address before: Seoul, South Korea

Applicant before: SK Corp.

C14 Grant of patent or utility model
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ASS Succession or assignment of patent right

Owner name: SK GLOBAL CHEMICAL CO., LTD.

C41 Transfer of patent application or patent right or utility model
C56 Change in the name or address of the patentee

Owner name: SK ENERGY CO., LTD.

Free format text: FORMER NAME: SK CORP.

CP01 Change in the name or title of a patent holder

Address after: Seoul, South Kerean

Patentee after: SK INNOVATION Co.,Ltd.

Address before: Seoul, South Kerean

Patentee before: SK ENERGY Co.,Ltd.

TR01 Transfer of patent right

Effective date of registration: 20110908

Address after: Seoul, South Kerean

Co-patentee after: SK Global Chemical Co.,Ltd.

Patentee after: SK INNOVATION Co.,Ltd.

Address before: Seoul, South Kerean

Patentee before: SK INNOVATION Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090930

Termination date: 20151231

EXPY Termination of patent right or utility model