JPS52111585A - Purification of lactam - Google Patents

Purification of lactam

Info

Publication number
JPS52111585A
JPS52111585A JP2694576A JP2694576A JPS52111585A JP S52111585 A JPS52111585 A JP S52111585A JP 2694576 A JP2694576 A JP 2694576A JP 2694576 A JP2694576 A JP 2694576A JP S52111585 A JPS52111585 A JP S52111585A
Authority
JP
Japan
Prior art keywords
lactam
purification
depolymerizqtion
polycapramide
thermal
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
JP2694576A
Other languages
Japanese (ja)
Inventor
Yukihiro Tonomura
Toshifumi Onishi
Yasushi Hamanaka
Takahito Masai
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.)
Toyobo Co Ltd
Original Assignee
Toyobo Co Ltd
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 Toyobo Co Ltd filed Critical Toyobo Co Ltd
Priority to JP2694576A priority Critical patent/JPS52111585A/en
Publication of JPS52111585A publication Critical patent/JPS52111585A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To obtain high purity lactam by the specific treatment of crude lactam obtained by the thermal depolymerizqtion of polycapramide.
COPYRIGHT: (C)1977,JPO&Japio
JP2694576A 1976-03-11 1976-03-11 Purification of lactam Pending JPS52111585A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2694576A JPS52111585A (en) 1976-03-11 1976-03-11 Purification of lactam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2694576A JPS52111585A (en) 1976-03-11 1976-03-11 Purification of lactam

Publications (1)

Publication Number Publication Date
JPS52111585A true JPS52111585A (en) 1977-09-19

Family

ID=12207280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2694576A Pending JPS52111585A (en) 1976-03-11 1976-03-11 Purification of lactam

Country Status (1)

Country Link
JP (1) JPS52111585A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0627417A1 (en) * 1993-06-04 1994-12-07 Dsm N.V. Reclaiming epsilon-caprolactam from carpet waste

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0627417A1 (en) * 1993-06-04 1994-12-07 Dsm N.V. Reclaiming epsilon-caprolactam from carpet waste

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