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:
Jun. 23, 2020
Filed:
Jun. 25, 2018
Zhejiang Quhua Fluor-chemistry CO Ltd, Zhejiang, CN;
Jiangyong Hong, Zhejiang, CN;
Bo Yang, Zhejiang, CN;
Yang Zhao, Zhejiang, CN;
Yan Zhang, Zhejiang, CN;
Huadong Zhou, Zhejiang, CN;
Hao Ouyang, Zhejiang, CN;
Haitao Gong, Zhejiang, CN;
Min Fang, Zhejiang, CN;
Zhejiang Quhua Fluor-Chemistry Co Ltd, Zhejiang, CN;
Abstract
The invention discloses a method for co-operating low-carbon foaming agents, comprising: preheating 1,1,1,3,3-pentachloropropane and hydrogen fluoride and then introducing into a reactor to have a reaction in the presence of a catalyst to obtain a reaction product, and separating and purifying to obtain the following low-carbon foaming agent products: trans-1,3,3,3-tetrafluoropropene, cis-1,3,3,3-tetrafluoropropene, 1,1,1,3,3-pentafluoropropane, trans-1-chloro-3,3,3-trifluoropropene, cis-1-chloro-3,3,3-trifluoropropene. The invention has the advantages of simple process, environmental friendliness, high production efficiency and low cost.