申请人:ASAHI GLASS COMPANY, LIMITED
公开号:US20180037524A1
公开(公告)日:2018-02-08
A method for manufacturing hydrofluoroolefin, includes: converting hydrofluorocarbon represented by a formula (1) into hydrofluoroolefin (HFO) represented by formula (2) in the presence of carbon dioxide to obtain a first gas composition containing hydrofluoroolefin and carbon dioxide; and separating carbon dioxide contained in the first gas composition to obtain a second gas composition containing HFO, CR
1
R
2
X
1
CR
3
R
4
X
2
. . . (1), CR
1
R
2
═CR
3
R
4
. . . (2), wherein R
1
to R
3
are each independently hydrogen atom or fluorine atom, R
4
is hydrogen atom, fluorine atom, CH
3
, CH
2
F, CHF
2
or CF
3
, the total number of fluorine atoms of R
1
to R
4
is one or more, and the total number of hydrogen atoms of R
1
to R
4
is one or more, X
1
and X
2
are each hydrogen atom or fluorine atom where X
2
is the fluorine atom when X
1
is the hydrogen atom, and X
2
is the hydrogen atom when X
1
is the fluorine atom.
一种制造氢氟烯烃的方法,包括:在二氧化碳存在下,将由式(1)表示的氢氟烃转化为由式(2)表示的氢氟烯烃(HFO),以获得含有氢氟烯烃和二氧化碳的第一气体组成物;并分离第一气体组成物中含有的二氧化碳,以获得含有HFO的第二气体组成物,CR1R2X1CR3R4X2...(1),CR1R2═CR3R4...(2),其中R1至R3分别独立地是氢原子或氟原子,R4是氢原子、氟原子、CH3、CH2F、CHF2或CF3,R1至R4的氟原子总数为一个或多个,R1至R4的氢原子总数为一个或多个,X1和X2分别是氢原子或氟原子,其中当X1为氢原子时,X2为氟原子,当X1为氟原子时,X2为氢原子。