asia_oju-iwe

iroyin

Amọja ni iṣelọpọ ti ọti propargyl, 1,4 butynediol ati 3-chloropropyne

1,4-butynediol agbegbe

Ọna iṣelọpọ ti 1,4-butynediol:

Ọna idapọ acetylene formaldehyde ni a gba.Acetylene ti o ni 80% -90% jẹ fisinuirindigbindigbin si titẹ 0.4-0.5mpa, preheated si 70-80 ℃ ati firanṣẹ si riakito.A gba ọja robi nipasẹ fesi pẹlu formaldehyde ni 110-112 ℃ pẹlu butyne bi ayase.Ọja lenu ti wa ni ogidi ati ki o refaini lati gba awọn ti pari ọja, ati awọn byproduct jẹ propargyl oti.

1,4-butynediol zone2
1,4-butynediol agbegbe

A lo paraformaldehyde bi ohun elo aise, cyclohexanone ti lo bi epo, a ṣe afihan acetylene sinu riakito ni iwaju Ejò ayase acetylene, ati pe a tọju iwọn otutu ni 115-120 ℃.Lẹhin ti formaldehyde ti yipada patapata, acetylene ti duro, ayase ti wa ni filtered jade, ati pe ojutu ifọkansi ti wa ni idojukọ ati tun ṣe lati gba 1,4-butynediol crystalline.

Irisi ti 1,4-butynediol: funfun tabi ina ofeefee gara funfun rhombic gara (ofeefee ina lẹhin gbigba ọrinrin)

Chinese inagijẹ: 1,4-butynediol;BOZ;2-butyne-1,4-diol electroplating luminescent oluranlowo;1,4-butynediol;1,4-dihydroxy-2-butyne;Dihydroxy dimethyl acetylene;Dihydroxymethyl acetylene;2-butyne-1,4-diol.

1,4-butynediol idi igbese:

1,4-butynediol ni a le lo lati ṣe awọn butene glycol, butanediol γ- A jara ti awọn ọja kemikali gẹgẹbi butyrolactone tun le ṣee lo lati ṣe akojọpọ awọn ọja Organic pataki gẹgẹbi butene glycol, butylene glycol ati n-butanol, ati siwaju sii. lati ṣe awọn pilasitik sintetiki ati awọn okun sintetiki;

1,4-butynediol funrararẹ jẹ ohun elo ti o dara.O ti wa ni lo bi awọn kan brightener ninu awọn electroplating ile ise ati bi ohun agbedemeji ni Organic kolaginni ati ki o kan ohun elo fun irinse electroplating.


Akoko ifiweranṣẹ: Jun-21-2022