Isopropanol, ekwaziwa ngokuba yi-isopropyl alcohol okanye i-2-propanol, ilulwelo olungenambala, olunokutsha olunevumba elibonakalayo.Yimichiza esetyenziswa ngokubanzi efumana ukusetyenziswa kuluhlu lwamashishini, kubandakanywa amayeza, izithambiso, kunye namashishini okulungisa ukutya.Kweli nqaku, siza kuphanda nzulu kwigama eliqhelekileyo le-isopropanol kunye nokusetyenziswa kwayo kunye neempawu.

Indlela ye-Isopropanol synthesis

 

Igama elithi "isopropanol" libhekisela kwiklasi yeekhemikhali ezixutywe namaqela asebenzayo kunye nesakhiwo se-molecular njenge-ethanol.Umahluko ulele kwinto yokuba i-isopropanol iqulethe iqela elongezelelweyo le-methyl elifakwe kwi-athomu ye-carbon esecaleni kweqela le-hydroxyl.Eli qela le-methyl elongezelelweyo linika i-isopropanol iimpawu ezahlukeneyo zomzimba kunye neekhemikhali xa kuthelekiswa ne-ethanol.

 

I-Isopropanol iveliswa ngokwamashishini ngeendlela ezimbini eziphambili: inkqubo ye-acetone-butanol kunye nenkqubo yepropylene oxide.Kwinkqubo ye-acetone-butanol, i-acetone kunye ne-butanol ziphendulwa phambi kwe-acid catalyst ukuvelisa i-isopropanol.Inkqubo yepropylene oxide ibandakanya ukusabela kwepropylene kunye neoksijini phambi kwe-catalyst ukuvelisa ipropylene glycol, eguqulwa ibe yi-isopropanol.

 

Enye yezona zinto ziqhelekileyo zokusetyenziswa kwe-isopropanol kukuveliswa kwezinto zokuthambisa kunye nemveliso yokunyamekela komntu.Ihlala isetyenziselwa ukunyibilika kwezi mveliso ngenxa yokunyibilika kwayo kunye neempawu ezingacaphukiyo.Ukongezelela, isetyenziselwa ukwenza izinto zokucoca izindlu, apho iimpawu zayo zokutshabalalisa iintsholongwane zisetyenziswa kakuhle.Kwishishini lamachiza, i-isopropanol isetyenziselwa i-solvent ekulungiseleleni iziyobisi kunye ne-raw material for synthesis of other pharmaceutical compounds.

 

Ngaphezu koko, i-isopropanol ikwasetyenziswa kwishishini lokulungisa ukutya njenge-ejenti yencasa kunye ne-preservative.Ngokuqhelekileyo ifumaneka ekutyeni okucutshungulwayo okufana neejam, iijeli, neziselo ezithambileyo ngenxa yokukwazi ukomeleza incasa kunye nokwandisa ubomi beshelufu.Ubuthi obuphantsi be-isopropanol buvumela ukuba isetyenziswe ngokukhuselekileyo kwezi zicelo.

 

Ukuqukumbela, i-isopropanol yinto esetyenziswa ngokubanzi imichiza enezicelo ezininzi zoshishino.Ubume bayo obukhethekileyo bemolekyuli kunye neempawu zomzimba zenza ukuba ibe sisithako esibalulekileyo kumashishini ahlukeneyo, kubandakanya izinto zokuthambisa, amayeza, kunye nokwenziwa kokutya.Ulwazi lwegama layo eliqhelekileyo kunye nokusetyenziswa kwalo libonelela ngokuqonda ngcono le khompawundi yeekhemikhali eziguquguqukayo.


Ixesha lokuposa: Jan-22-2024