Qhov sib txawv tseem ceeb ntawm butylene glycol thiab propylene glycol yog tias butylene glycol muaj plaub carbon atoms thiab ob -OH pawg uas txuas rau ob ntawm cov pa roj carbon atoms. Whereas, propylene glycol muaj peb cov pa roj carbon atoms thiab ob pawg -OH uas txuas rau ob ntawm cov pa roj carbon atoms.
Glycols yog cov tshuaj sib txuas uas muaj ob pawg -OH lossis pawg cawv uas txuas nrog carbon atoms. Butylene glycol thiab propylene glycol yog ob lub diols uas muaj ntau cov pa roj carbon atoms.
Butylene Glycol yog dab tsi?
Butylene glycol yog cov organic compound uas muaj cov tshuaj formula C4H10O2. Nws muaj plaub carbon atoms, thiab muaj ob pawg -OH txuas rau ob ntawm cov pa roj carbon atom. Yog li ntawd, nws yog ib qho cawv, thiab txij li muaj ob pawg -OH, peb tuaj yeem hu nws tias diol. Muaj plaub tus qauv isomers ntawm butylene glycol, tab sis muaj ob hom qauv isomers ntawm butylene glycol; 1, 3-butylene glycol thiab 2, 3-butylene glycol.
1, 3-butylene glycol lossis 1, 3-butanediol muaj ob pawg cawv (-OH) txuas rau thawj thiab thib peb carbon atoms ntawm plaub-carbon atom saw. Nws tshwm sim raws li colourless, dej-soluble kua. Peb tuaj yeem npaj cov tshuaj no los ntawm hydrogenation ntawm 3-hydroxybutanal, uas muab 1, 3-butanediol, thiab ua raws li lub cev qhuav dej ntawm 1, 3-butanediol rau daim ntawv 1, 3-butylene glycol los ntawm -OH ntxiv cov tshuaj tiv thaiv. Cov tshuaj no muaj txiaj ntsig zoo ua tus neeg sawv cev hypoglycemic.
Daim duab 01: Cov qauv ntawm 1, 3-butylene Glycol
2, 3-butylene glycol lossis 2, 3-butanediol yog cov organic compound uas muaj peb daim ntawv stereoisomer. Tag nrho cov ntaub ntawv isomeric no tshwm sim hauv cov kua tsis muaj xim. Ob tug ntawm cov isomers yog enantiomers, thiab ib tug compound yog meso compound. Peb tuaj yeem tsim cov tshuaj no los ntawm hydrolysis ntawm 2, 3-epoxybutane. Ntxiv mus, cov tshuaj no muaj txiaj ntsig zoo hauv kev tsim cov butene los ntawm deoxydehydration.
Butylene glycol muaj txiaj ntsig zoo hauv kev tsim cov khoom lag luam xws li tshuaj zawv plaub hau, txias, tshuaj pleev, tshuaj pleev thaiv hnub, daim npog ntsej muag, tshuaj pleev ib ce, thiab tshuaj pleev thaiv hnub. Nws tseem muaj txiaj ntsig zoo li cov kuab tshuaj pab cov khoom xyaw uas tuaj yeem ua gritty kom yaj.
YPropylene Glycol yog dab tsi?
Propylene glycol yog cov organic compound uas muaj cov tshuaj formula C3H8O2. Nws yog cov kua dej khov thiab tsis muaj xim uas yuav luag tsis muaj ntxhiab thiab muaj qhov tsw qab qab. Muaj ob pawg cawv hauv propylene glycol molecules. Muaj peb cov pa roj carbon atoms nyob rau hauv ib txoj saw uas ob pawg cawv txuas nrog ob ntawm cov pa roj carbon atom. Yog li ntawd, nws yog diol. Ntxiv mus, cov kua no yog miscible nrog ntau cov kuab tshuaj xws li dej, acetone, thiab chloroform.
Daim duab 02: Cov qauv ntawm Propylene Glycol
Propylene glycol tuaj yeem ua rau ntawm qhov loj, feem ntau rau kev tsim cov khoom siv polymers. Ntawm kev lag luam nplai, cov khoom no yog tsim los siv propylene oxide. Cov tshuaj no tau siv hauv kev lag luam khoom noj, tshuaj tsim khoom, thiab kev tsim khoom kom zoo nkauj. Nws yog ib qho tseem ceeb ua kuab tshuaj rau ob qho tib si ntuj thiab hluavtaws, raws li ib tug humectant, raws li ib tug freezing point depressant, raws li ib tug cab kuj los yog lub hauv paus nyob rau hauv kom hniav zoo nkauj ntau lawm, rau cuab thiab khaws cov kab, thiab lwm yam.
Qhov txawv ntawm Butylene Glycol thiab Propylene Glycol yog dab tsi?
Butylene glycol yog cov organic compound uas muaj cov tshuaj formula C4H10O2, thaum Propylene glycol yog cov organic compound uas muaj cov tshuaj formula C3H8O2. Qhov sib txawv tseem ceeb ntawm butylene glycol thiab propylene glycol yog butylene glycol muaj plaub carbon atoms uas ob -OH pawg txuas nrog ob ntawm cov pa roj carbon atoms, whereas propylene glycol muaj peb carbon atoms qhov twg ob -OH pawg yog txuas rau ob ntawm cov pa roj carbon. atoms.
Cov hauv qab no infographic teev qhov sib txawv ntawm butylene glycol thiab propylene glycol hauv daim ntawv tabular rau ib sab ntawm kev sib piv.
Summary – Glycol vs Propylene Glycol
Butylene glycol yog cov organic compound uas muaj cov tshuaj formula C4H10O2, thaum Propylene glycol yog cov organic compound uas muaj cov tshuaj formula C3H8O2. Qhov sib txawv tseem ceeb ntawm butylene glycol thiab propylene glycol yog butylene glycol muaj plaub carbon atoms uas ob -OH pawg txuas nrog ob ntawm cov pa roj carbon atoms, whereas propylene glycol muaj peb carbon atoms qhov twg ob -OH pawg yog txuas rau ob ntawm cov pa roj carbon. atoms.
