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Kwarewa a cikin samar da barasa na propargyl, 1,4 butynediol da 3-chloropropyne.

1,4-butynediol zone

Hanyar samarwa na 1,4-butynediol:

Ana ɗaukar hanyar haɗin acetylene formaldehyde.A acetylene dauke da 80% -90% an matsa zuwa matsa lamba na 0.4-0.5mpa, preheated zuwa 70-80 ℃ da kuma aika zuwa reactor.Ana samun danyen samfurin ta hanyar amsawa da formaldehyde a 110-112 ℃ tare da butyne a matsayin mai kara kuzari.Samfurin amsawa yana mai da hankali kuma ana tsabtace shi don samun samfurin da aka gama, kuma samfuran samfuran shine propargyl barasa.

1,4-butynediol zone2
1,4-butynediol zone

Ana amfani da paraformaldehyde azaman albarkatun ƙasa, ana amfani da cyclohexanone azaman ƙarfi, an gabatar da acetylene a cikin reactor a gaban jan karfe acetylene mai kara kuzari, kuma ana kiyaye zafin jiki a 115-120 ℃.Bayan an juyar da formaldehyde gaba daya, an dakatar da acetylene, an tace mai kara kuzari, kuma an mayar da maganin da aka mayar da shi kuma an sake yin recrystallized don samun crystalline 1,4-butynediol.

Bayyanar 1,4-butynediol: fari ko haske rawaya crystal farin rhombic crystal (haske rawaya bayan danshi sha)

Laƙabin Sinanci: 1,4-butynediol;BOZ;2-butyne-1,4-diol electroplating luminescent wakili;1,4-butynediol;1,4-dihydroxy-2-butyne;Dihydroxy dimethyl acetylene;Dihydroxymethyl acetylene;2-butyne-1,4-diol.

1,4-butynediol manufar aikin:

1,4-butynediol za a iya amfani da shi don samar da butene glycol, butanediol γ- Jerin samfuran sinadarai irin su butyrolactone kuma ana iya amfani da su don kera jerin mahimman samfuran halitta kamar butene glycol, butylene glycol da n-butanol, da ƙari. don kera robobi na roba da filaye na roba;

1,4-butynediol kanta yana da ƙarfi mai kyau.Ana amfani da shi azaman mai haskakawa a cikin masana'antar lantarki da kuma matsayin tsaka-tsaki a cikin haɗin gwiwar kwayoyin halitta da kuma kayan aikin lantarki na kayan aiki.


Lokacin aikawa: Juni-21-2022