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Patent Searching and Data


Title:
METHOD FOR CO-PRODUCTION OF LOW-CARBON FOAMING AGENT
Document Type and Number:
WIPO Patent Application WO/2019/019557
Kind Code:
A1
Abstract:
A method for co-production of a low-carbon foaming agent. 1,1,1,3,3-pentachloropropane and hydrogen fluoride are preheated and then introduced into a reactor, and react in the presence of a catalyst to obtain a reaction product, and the reaction product is separated and purified 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-pentachloropropane, trans-1-chlorine-3,3,3-trifluoropropene, and cis-1-chlorine-3,3,3-trifluoropropene. The method is simple in process, green and environment-friendly, high in production efficiency, and low in cost.

Inventors:
HONG JIANGYONG (CN)
YANG BO (CN)
ZHAO YANG (CN)
ZHANG YAN (CN)
ZHOU HUADONG (CN)
OU YANGHAO (CN)
GONG HAITAO (CN)
FANG MIN (CN)
Application Number:
PCT/CN2018/000234
Publication Date:
January 31, 2019
Filing Date:
June 25, 2018
Export Citation:
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Assignee:
ZHEJIANG QUHUA FLUOR CHEMISTRY CO LTD (CN)
International Classes:
C07C21/18; C07C17/20; C07C17/25; C07C17/383; C07C19/08
Foreign References:
CN107324968A2017-11-07
CN102164881A2011-08-24
US5710352A1998-01-20
CN106349005A2017-01-25
CN106278810A2017-01-04
CN102361842B2015-06-03
CN103189339B2016-01-20
US6077982A2000-06-20
Other References:
See also references of EP 3659994A4
Attorney, Agent or Firm:
NINGBO AOSHENG PATENT AGENT OFFICE (CN)
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