Title:
METHOD FOR PRODUCING LAUROLACTAM, DEVICE FOR SYNTHESIZING SAME, LAUROLACTAM COMPOSITION PRODUCED THEREBY, AND METHOD FOR PRODUCING POLYLAUROLACTAM USING SAME
Document Type and Number:
WIPO Patent Application WO/2021/112407
Kind Code:
A1
Abstract:
The present invention relates: a method for producing laurolactam, the method comprising a) a step for synthesizing cyclododecanone oxime into laurolactam through Bechmann rearrangement in a catalytic system, b) a step for mixing the laurolactam synthesized in step a) in a good solvent and removing the catalyst system, and c) a step for mixing the laurolactam, from which the catalyst system was removed in step b), in a poor solvent, and recrystallizing the same; a device for synthesizing the laurolactam; a laurolactam composition prepared by said method; and a method for producing polylaurolactam using said laurolactam composition.
Inventors:
PARK JINHO (KR)
KIM JIYEON (KR)
SEO HYUN (KR)
JANG NAMJIN (KR)
KIM JIYEON (KR)
SEO HYUN (KR)
JANG NAMJIN (KR)
Application Number:
PCT/KR2020/014732
Publication Date:
June 10, 2021
Filing Date:
October 27, 2020
Export Citation:
Assignee:
HANWHA SOLUTIONS CORP (KR)
International Classes:
C07D201/04; C07D225/02
Domestic Patent References:
| WO2004011428A1 | 2004-02-05 |
Foreign References:
| US20140114062A1 | 2014-04-24 | |||
| KR20190052621A | 2019-05-16 | |||
| US8309714B2 | 2012-11-13 | |||
| JP2002003470A | 2002-01-09 |
Other References:
See also references of EP 4071136A4
Attorney, Agent or Firm:
PLUS INTERNATIONAL IP LAW FIRM (KR)
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