Methanol leisopropanolke litlhare tse peli tse sebelisoang ka tloaelo indastering.Le hoja li arolelana lintho tse ling tse tšoanang, li boetse li na le litšobotsi tse ikhethang tse li khethollang.Sehloohong sena, re tla hlahlobisisa lintlha tsa li-solvents tsena tse peli, re bapise thepa ea tsona ea 'mele le ea lik'hemik'hale, hammoho le ts'ebeliso ea tsona le lintlha tsa polokeho.

Isopropanol fektheri

 

Ha re qale ka methanol, e tsejoang hape e le joala ba lehong.Ke mokelikeli o hlakileng, o se nang 'mala o kopantsoeng le metsi.Methanol e na le ntlha e tlaase ea ho bela ea likhato tse 65 tsa Celsius, e leng se etsang hore e loketse ho sebelisoa lits'ebetsong tsa mocheso o tlaase.E na le tekanyo e phahameng ea octane, e bolelang hore e ka sebelisoa e le solvent le anti-knock agent ka peterole.

 

Methanol e boetse e sebelisoa joalo ka phepelo tlhahisong ea lik'hemik'hale tse ling, joalo ka formaldehyde le dimethyl ether.E boetse e sebelisoa tlhahisong ea biodiesel, mohloli oa mafura o ka nchafatsoang.Ntle le lits'ebetso tsa eona tsa indasteri, methanol e boetse e sebelisoa ha ho etsoa li-varnish le li-lacquers.

 

Joale a re lebiseng tlhokomelo ea rona ho isopropanol, e tsejoang hape e le 2-propanol kapa dimethyl ether.Sehlahisoa sena se boetse se hlakile ebile ha se na 'mala, se na le ntlha e belang hanyane ho feta methanol ka likhato tse 82 tsa Celsius.Isopropanol e kopane haholo ka metsi le lipids, e etsa hore e be motsoako o babatsehang bakeng sa mefuta e mengata ea lisebelisoa.Hangata e sebelisoa e le sesebelisoa sa ho itšeha ho li-raint thiners le tlhahiso ea liatlana tsa latex.Isopropanol e boetse e sebelisoa ha ho etsoa li-adhesives, sealants le li-polymers tse ling.

 

Ha ho tluoa tabeng ea polokeho, methanol le isopropanol li na le likotsi tsa tsona tse ikhethang.Methanol e chefo 'me e ka baka bofofu haeba e fafatsoa mahlong kapa e ka nooa.E boetse e chesa haholo 'me ea phatloha ha e kopane le moea.Ka lehlakoreng le leng, isopropanol e na le tekanyo e tlaase ea ho chesa 'me ha e phatlohe ho feta methanol ha e kopane le moea.Leha ho le joalo, e ntse e tuka 'me e lokela ho tšoaroa ka hloko.

 

Qetellong, methanol le isopropanol ka bobeli ke li-solvents tsa bohlokoa tsa indasteri tse nang le thepa ea tsona e ikhethang le lits'ebetso.Khetho pakeng tsa bona e itšetlehile ka litlhoko tse khethehileng tsa kopo le profil ea polokeho ea solvent ka 'ngoe.Methanol e na le ntlha e tlaase ea ho bela 'me e phatloha haholoanyane, ha isopropanol e na le ntlha e phahameng ea ho bela 'me ha e phatlohe haholo empa e ntse e tuka.Ha u khetha solvent, ke habohlokoa ho nahana ka thepa ea eona ea 'mele, botsitso ba lik'hemik'hale, chefo, le boemo ba ho chesa ho netefatsa tšebeliso e sireletsehileng le e sebetsang.


Nako ea poso: Jan-09-2024