Li-solvents li bapala karolo ea bohlokoa ho thehoeng le ho sebetsa ha li-polymers tse kang ethyl cellulose (EC). Ethyl cellulose ke polymer e feto-fetohang e nkiloeng ho cellulose, polima ea tlhaho e fumanehang maboteng a lisele tsa semela. E sebelisoa hangata liindastering tse fapaneng tse kang tsa meriana, li-coatings, likhomaretsi le lijo.
Ha u khetha metsoako ea ethyl cellulose, ho na le lintlha tse 'maloa tse lokelang ho nahanoa, tse kenyelletsang ho qhibiliha, viscosity, volatility, toxicity, le phello ea tikoloho. Khetho ea solvent e ka susumetsa haholo thepa ea sehlahisoa sa ho qetela.
Ethanol: Ethanol ke e 'ngoe ea lihlapolli tse sebelisoang haholo bakeng sa ethyl cellulose. E fumaneha habonolo, e batla e le theko e tlaase, 'me e bonts'a ho qhibiliha ha ethyl cellulose. Ethanol e sebelisoa haholo lits'ebetsong tsa meriana bakeng sa ho lokisa litlolo, lifilimi le matrices.
Isopropanol (IPA): Isopropanol ke motsoako o mong o tummeng oa ethyl cellulose. E fana ka melemo e ts'oanang ho ethanol empa e ka fana ka thepa e ntle ea ho etsa filimi le ho feto-fetoha ha maemo ho phahameng, ho etsa hore e tšoanelehe bakeng sa lits'ebetso tse hlokang linako tsa ho omisa kapele.
Methanol: Methanol ke motsoako oa polar o ka qhaqhang cellulose ea ethyl ka katleho. Leha ho le joalo, ha e sebelisoe hangata ka lebaka la chefo e phahameng ha e bapisoa le ethanol le isopropanol. Methanol e sebelisoa haholo lits'ebetsong tse khethehileng moo thepa ea eona e khethehileng e hlokahalang.
Acetone: Acetone ke mokelikeli o sa tsitsang o nang le motsoako o motle bakeng sa ethyl cellulose. E sebelisoa hangata lits'ebetsong tsa indasteri bakeng sa ho etsa li-coatings, li-adhesives le li-inks. Leha ho le joalo, acetone e ka tuka haholo mme e ka baka likotsi tsa polokeho haeba e sa sebetsoe hantle.
Toluene: Toluene ke mokelikeli o seng polar o bonts'ang ho qhibiliha ho hoholo ha ethyl cellulose. E atisa ho sebelisoa indastering ea ho roala le ho khomarela bakeng sa bokhoni ba eona ba ho qhaqha mefuta e mengata ea li-polymers, ho akarelletsa le ethyl cellulose. Leha ho le joalo, toluene e na le mathata a bophelo bo botle le tikoloho a amanang le tšebeliso ea eona, ho kenyelletsa le chefo le ho hloka botsitso.
Xylene: Xylene ke mokelikeli o mong o seng polar o ka qhalang cellulose ea ethyl ka katleho. Hangata e sebelisoa hammoho le li-solvents tse ling ho lokisa solubility le viscosity ea tharollo. Joaloka toluene, xylene e baka likotsi tsa bophelo bo botle le tikoloho 'me e hloka ho tšoaroa ka hloko.
Metsoako ea chlorinated (mohlala, Chloroform, Dichloromethane): Litlhapi tse nang le chloroform tse kang chloroform le dichloromethane li sebetsa haholo ho qhala ethyl cellulose. Leha ho le joalo, li amahanngoa le likotsi tse kholo tsa bophelo bo botle le tikoloho, ho kenyelletsa chefo le ho phehella ha tikoloho. Ka lebaka la matšoenyeho ana, tšebeliso ea bona e theohile molemong oa mekhoa e meng e sireletsehileng.
Ethyl Acetate: Ethyl acetate ke motsoako oa polar o ka qhaqhang cellulose ea ethyl ho isa tekanyong e itseng. E atisa ho sebelisoa lits'ebetsong tse khethehileng moo thepa ea eona e khethehileng e lakatsoang, joalo ka ha ho etsoa mefuta e itseng ea litekanyetso tsa meriana le litlolo tse khethehileng.
Propylene Glycol Monomethyl Ether (PGME): PGME ke motsoako oa polar o bontšang ho qhibiliha ho itekanetseng bakeng sa ethyl cellulose. Hangata e sebelisoa hammoho le li-solvents tse ling ho ntlafatsa solubility le thepa ea ho etsa filimi. PGME hangata e sebelisoa ha ho etsoa lirafshoa, lienke le likhomaretsi.
Propylene carbonate: Propylene carbonate ke motsoako oa polar o nang le motsoako o motle bakeng sa ethyl cellulose. Hangata e sebelisoa lits'ebetsong tse khethehileng moo thepa ea eona e khethehileng, e kang ho fokotseha ha tlaase le ntlha e phahameng ea ho bela, e leng molemo.
Dimethyl Sulfoxide (DMSO): DMSO ke polar aprotic solvent e ka qhaqhang cellulose ea ethyl ho isa tekanyong e itseng. Hangata e sebelisoa lits'ebetsong tsa meriana bakeng sa bokhoni ba eona ba ho qhibilihisa mefuta e mengata ea metsoako. Leha ho le joalo, DMSO e ka bonts'a tšebelisano e fokolang le lisebelisoa tse itseng mme e ka ba le thepa ea ho teneha ha letlalo.
N-Methyl-2-pyrrolidone (NMP): NMP ke motsoako oa polar o nang le mokelikeli o phahameng oa ethyl cellulose. Hangata e sebelisoa lits'ebetsong tse khethehileng moo thepa ea eona e khethehileng, joalo ka ntlha e belang e phahameng le chefo e tlaase, e lakatsoang.
Tetrahydrofuran (THF): THF ke motsoako oa polar o bonts'ang ho qhibiliha ho hoholo ha ethyl cellulose. Hangata e sebelisoa litlhophisong tsa laboratori bakeng sa ho qhibiliha ha li-polymers le joalo ka motsoako oa karabelo. Leha ho le joalo, THF e chesa haholo 'me e baka likotsi tsa polokeho haeba e sa sebetsoe hantle.
Dioxane: Dioxane ke mokelikeli oa polar o ka qhaqhang cellulose ea ethyl ho isa bohōleng bo itseng. Hangata e sebelisoa lits'ebetsong tse khethehileng moo thepa ea eona e khethehileng, joalo ka ntlha e belang e phahameng le chefo e tlaase, e leng molemo.
Benzene: Benzene ke solvent e seng polar e bonts'ang hantle ho qhibiliha ha ethyl cellulose. Leha ho le joalo, ka lebaka la chefo e phahameng le carcinogenicity, tšebeliso ea eona e khaotsoe haholo molemong oa mekhoa e meng e sireletsehileng.
Methyl Ethyl Ketone (MEK): MEK ke motsoako oa polar o nang le motsoako o motle oa ethyl cellulose. E sebelisoa hangata lits'ebetsong tsa indasteri bakeng sa ho etsa li-coatings, li-adhesives le li-inks. Leha ho le joalo, MEK e ka chesa haholo mme e ka baka likotsi tsa polokeho haeba e sa sebetsoe hantle.
Cyclohexanone: Cyclohexanone ke motsoako oa polar o ka qhaqhang cellulose ea ethyl ho isa bohōleng bo itseng. Hangata e sebelisoa lits'ebetsong tse khethehileng moo thepa ea eona e khethehileng, joalo ka ntlha e belang e phahameng le chefo e tlaase, e lakatsoang.
Ethyl Lactate: Ethyl lactate ke motsoako oa polar o nkiloeng mehloling e ka nchafatsoang. E bonts'a ho qhibiliha ho itekanetseng bakeng sa ethyl cellulose 'me hangata e sebelisoa lits'ebetsong tse khethehileng moo chefo ea eona e tlaase le biodegradability e leng molemo.
Diethyl Ether: Diethyl ether ke mokelikeli o seng polar o ka qhalang cellulose ea ethyl ho isa bohōleng bo itseng. Leha ho le joalo, e feto-fetoha haholo ebile e ka cha, e baka likotsi tsa polokeho haeba e sa sebetsoe hantle. Diethyl ether e atisa ho sebelisoa litlhophisong tsa laboratori bakeng sa ho qhibiliha ha li-polymers le e le motsoako oa ho arabela.
Petroleum Ether: Petroleum ether ke mokelikeli o seng oa polar o tsoang likarolong tsa petroleum. E bonts'a ho qhibiliha ho fokolang bakeng sa ethyl cellulose 'me e sebelisoa haholo-holo lits'ebetsong tse khethehileng moo thepa ea eona e khethehileng e lakatsoang.
ho na le mefuta e mengata ea li-solvents tse fumanehang bakeng sa ho qhala ethyl cellulose, e 'ngoe le e' ngoe e na le melemo le mefokolo ea eona. Khetho ea solvent e ipapisitse le lintlha tse fapaneng, ho kenyelletsa litlhoko tsa ho qhibiliha, maemo a ts'ebetso, lintlha tsa polokeho le mathata a tikoloho. Ke habohlokoa ho hlahloba lintlha tsena ka hloko le ho khetha solvent e nepahetseng ka ho fetisisa bakeng sa kopo e 'ngoe le e' ngoe e khethehileng ho finyella liphello tse nepahetseng ha u ntse u netefatsa polokeho le ts'ireletso ea tikoloho.
Nako ea poso: Mar-06-2024