The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 2020
Filed:
Dec. 07, 2016
South China University of Technology, Guangdong, CN;
Hao Yu, Guangdong, CN;
Mengmeng Hou, Guangdong, CN;
Feng Peng, Guangdong, CN;
Yonghai Cao, Guangdong, CN;
Hongjuan Wang, Guangdong, CN;
SOUTH CHINA UNIVERSITY OF TECHNOLOGY, Guangdong, CN;
Abstract
The present invention discloses a method for preparing ε-caprolactone. The method comprises the steps of: adding cyclohexanone, a co-oxidant and a certain amount of catalyst into a certain amount of organic solvent, using molecular oxygen as an oxidant, implementing a reaction with stirring for 0.1 to 24 hours under a pressure of 0.1 to 2 MPa and at a temperature of 60° C. to 100° C., wherein the co-oxidant is acrolein, and the catalyst is a carbon material. The present invention has the advantages of high-efficiency co-oxidant, easily available and recovered catalyst, environmental-friendly oxidant, simple operation and low cost.