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JPS5334789A - Purification of epsilon-caprolactone - Google Patents

Purification of epsilon-caprolactone

Info

Publication number
JPS5334789A
JPS5334789A JP10966776A JP10966776A JPS5334789A JP S5334789 A JPS5334789 A JP S5334789A JP 10966776 A JP10966776 A JP 10966776A JP 10966776 A JP10966776 A JP 10966776A JP S5334789 A JPS5334789 A JP S5334789A
Authority
JP
Japan
Prior art keywords
caprolactone
epsilon
purification
cyclohexanone
purify
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.)
Granted
Application number
JP10966776A
Other languages
Japanese (ja)
Other versions
JPS6016436B2 (en
Inventor
Yukio Takigawa
Nobutaka Oka
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 JP10966776A priority Critical patent/JPS6016436B2/en
Publication of JPS5334789A publication Critical patent/JPS5334789A/en
Publication of JPS6016436B2 publication Critical patent/JPS6016436B2/en
Expired legal-status Critical Current

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  • Pyrane Compounds (AREA)

Abstract

PURPOSE: To purify ε-caprolactone, obtained by the oxidation of cyclohexanone, while preventing the loss due to polymerization, by distillation after removal of high boiling tarry matter in advance.
COPYRIGHT: (C)1978,JPO&Japio
JP10966776A 1976-09-13 1976-09-13 Purification method of ε-caprolactone Expired JPS6016436B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10966776A JPS6016436B2 (en) 1976-09-13 1976-09-13 Purification method of ε-caprolactone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10966776A JPS6016436B2 (en) 1976-09-13 1976-09-13 Purification method of ε-caprolactone

Publications (2)

Publication Number Publication Date
JPS5334789A true JPS5334789A (en) 1978-03-31
JPS6016436B2 JPS6016436B2 (en) 1985-04-25

Family

ID=14516100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10966776A Expired JPS6016436B2 (en) 1976-09-13 1976-09-13 Purification method of ε-caprolactone

Country Status (1)

Country Link
JP (1) JPS6016436B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5634677A (en) * 1979-08-28 1981-04-06 Degussa Manufacture of highly pure epsilonncaprolactone
US5239851A (en) * 1989-05-31 1993-08-31 Hitachi, Ltd. Rolling method of multi-high rolling mill for obtaining accurate sheet crown
US6063938A (en) * 1996-07-29 2000-05-16 Mitsubishi Gas Chemical Company, Inc. Process for producing ε-caprolactone
EP1413342A1 (en) * 2002-10-22 2004-04-28 Daicel Chemical Industries, Ltd. Process for producing epsilon-caprolactone

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62185636A (en) * 1986-02-13 1987-08-14 Ebara Corp Stock discharging device
JP4698823B2 (en) * 2000-12-14 2011-06-08 ダイセル化学工業株式会社 Process for producing ε-caprolactone

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5634677A (en) * 1979-08-28 1981-04-06 Degussa Manufacture of highly pure epsilonncaprolactone
US5239851A (en) * 1989-05-31 1993-08-31 Hitachi, Ltd. Rolling method of multi-high rolling mill for obtaining accurate sheet crown
US6063938A (en) * 1996-07-29 2000-05-16 Mitsubishi Gas Chemical Company, Inc. Process for producing ε-caprolactone
EP1413342A1 (en) * 2002-10-22 2004-04-28 Daicel Chemical Industries, Ltd. Process for producing epsilon-caprolactone
US6936724B2 (en) 2002-10-22 2005-08-30 Daicel Chemical Industries, Ltd Process for producing epsilon-caprolactone

Also Published As

Publication number Publication date
JPS6016436B2 (en) 1985-04-25

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