Isopropanol, eyaziwa nangokuthi i-isopropyl alcohol noma i-2-propanol, iwuketshezi olungenambala, oluvutha umlilo olunephunga eliyisici.Kuyikhemikhali esetshenziswa kabanzi ethola ukusetshenziswa ezinhlobonhlobo zezimboni, okuhlanganisa izimboni zemithi, izimonyo, nezimboni ezilungisa ukudla.Kulesi sihloko, sizocubungula ngokujulile igama elivamile le-isopropanol kanye nokusetshenziswa kwayo okuhlukahlukene kanye nezakhiwo.

Indlela ye-Isopropanol synthesis

 

Igama elithi "isopropanol" libhekisela ekilasini lamakhemikhali amakhemikhali aqukethe amaqembu afanayo asebenzayo kanye nesakhiwo samangqamuzana njenge-ethanol.Umehluko usekutheni i-isopropanol iqukethe iqembu le-methyl elengeziwe elixhunywe ku-athomu ye-carbon eseduze neqembu le-hydroxyl.Leli qembu le-methyl elengeziwe linikeza i-isopropanol izakhiwo ezihlukile zomzimba namakhemikhali uma kuqhathaniswa ne-ethanol.

 

I-Isopropanol ikhiqizwa ngokwezimboni ngezindlela ezimbili eziyinhloko: inqubo ye-acetone-butanol kanye nenqubo ye-propylene oxide.Enqubweni ye-acetone-butanol, i-acetone ne-butanol isabela phambi kwe-acid catalyst ukukhiqiza isopropanol.Inqubo ye-propylene oxide ihilela ukusabela kwe-propylene nge-oxygen phambi kwe-catalyst ukukhiqiza i-propylene glycol, eguqulwa ibe yi-isopropanol.

 

Okunye okuvame ukusetshenziswa kwe-isopropanol ukukhiqizwa kwezimonyo nemikhiqizo yokunakekelwa komuntu siqu.Ivame ukusetshenziswa njenge-solvent kule mikhiqizo ngenxa yokuncibilika kwayo kanye nezindawo ezingacasuli.Ukwengeza, ibuye isetshenziswe ekukhiqizeni izinto zokuhlanza indlu, lapho izici zayo zokuqeda amagciwane zisetshenziswa kahle.Embonini yezemithi, i-isopropanol isetshenziswa njenge-solvent ekulungiseleleni izidakamizwa futhi njengempahla eluhlaza yokuhlanganiswa kwezinye izinhlanganisela zemithi.

 

Ngaphezu kwalokho, i-isopropanol iphinde isetshenziswe embonini yokucubungula ukudla njenge-ejenti yokunambitheka kanye ne-preservative.Ivamise ukutholakala ekudleni okugayiwe okufana nojamu, ojeli, neziphuzo ezibandayo ngenxa yekhono layo lokuthuthukisa ukunambitheka nokwelula impilo yeshalofu.Ubuthi obuphansi be-isopropanol buvumela ukuthi isetshenziswe ngokuphepha kulezi zinhlelo zokusebenza.

 

Sengiphetha, isopropanol iyikhemikhali esetshenziswa kabanzi enezinhlelo eziningi zezimboni.Ukwakheka kwayo okuyingqayizivele kwamangqamuzana kanye nezakhiwo zayo ezingokomzimba kuyenza ibe yisithako esibalulekile ezimbonini ezihlukahlukene, kuhlanganise nezimonyo, ezemithi, nokucubungula ukudla.Ulwazi lwegama layo elivamile kanye nokusetshenziswa kwalo kunikeza ukuqonda okungcono kwalokhu kwamakhemikhali ahlukahlukene.


Isikhathi sokuthumela: Jan-22-2024