Noncatalytic manufacture of 1,1,3,3,3-pentafluoropropene from 1,1,1,3,3,3-hexafluoropropane
申请人:Rao Nott Mallikarjuna Velliyur
公开号:US20060094911A1
公开(公告)日:2006-05-04
1,1,3,3,3-Pentafluoropropene (CF
3
CH═CF
2
, HFC-1225zc) can be produced by pyrolyzing 1,1,1,3,3,3-hexafluoropropane (CF
3
CH
2
CF
3
, HFC-236fa) in the absence of dehydrofluorination catalyst at temperatures of from about 700° C. to about 1000° C. and total pressures of about atmosphere pressure in an empty, tubular reactor, the interior surfaces of which comprise materials of construction resistant to hydrogen fluoride.
1,1,3,3,3-五氟丙烯(CF3CH═CF2,HFC-1225zc)可以通过在无脱氟催化剂的情况下,在空心管反应器中,在约700℃至约1000℃的温度和大气压下,将1,1,1,3,3,3-六氟丙烷(CF3CH2CF3,HFC-236fa)热解而成,其中内部表面的材料构造耐氢氟酸。