JPS5289637A - Preparation of terephthalic acid for direct polymerization - Google Patents

Preparation of terephthalic acid for direct polymerization

Info

Publication number
JPS5289637A
JPS5289637A JP478076A JP478076A JPS5289637A JP S5289637 A JPS5289637 A JP S5289637A JP 478076 A JP478076 A JP 478076A JP 478076 A JP478076 A JP 478076A JP S5289637 A JPS5289637 A JP S5289637A
Authority
JP
Japan
Prior art keywords
preparation
terephthalic acid
direct polymerization
concentration
polymerization
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.)
Pending
Application number
JP478076A
Other languages
Japanese (ja)
Inventor
Tsuneo Kimura
Hiroshi Hashizume
Yoshiaki Izumisawa
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.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei 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 Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP478076A priority Critical patent/JPS5289637A/en
Publication of JPS5289637A publication Critical patent/JPS5289637A/en
Pending legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: Preparation of high-purity terephthalic acid for direct polymerization by the oxidation of xylene in the liquid phase while the concentration of 4 - carboxybenzaldehyde in the reaction mother liquor is kept at a specific concentration or less.
COPYRIGHT: (C)1977,JPO&Japio
JP478076A 1976-01-19 1976-01-19 Preparation of terephthalic acid for direct polymerization Pending JPS5289637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP478076A JPS5289637A (en) 1976-01-19 1976-01-19 Preparation of terephthalic acid for direct polymerization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP478076A JPS5289637A (en) 1976-01-19 1976-01-19 Preparation of terephthalic acid for direct polymerization

Publications (1)

Publication Number Publication Date
JPS5289637A true JPS5289637A (en) 1977-07-27

Family

ID=11593325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP478076A Pending JPS5289637A (en) 1976-01-19 1976-01-19 Preparation of terephthalic acid for direct polymerization

Country Status (1)

Country Link
JP (1) JPS5289637A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555138A (en) * 1978-10-19 1980-04-22 Mitsubishi Chem Ind Ltd Preparation of highly pure terephthalic acid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555138A (en) * 1978-10-19 1980-04-22 Mitsubishi Chem Ind Ltd Preparation of highly pure terephthalic acid
JPS6247864B2 (en) * 1978-10-19 1987-10-09 Mitsubishi Chem Ind

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