Cov kuab tshuaj ua lub luag haujlwm tseem ceeb hauv kev tsim thiab ua cov polymers xws li ethyl cellulose (EC). Ethyl cellulose yog ntau yam polymer muab tau los ntawm cellulose, ib tug natural polymer pom nyob rau hauv cov nroj tsuag cell phab ntsa. Nws yog feem ntau siv nyob rau hauv ntau yam lag luam xws li tshuaj, txheej, nplaum, thiab khoom noj.
Thaum xaiv cov kuab tshuaj rau ethyl cellulose, ntau yam yuav tsum tau xav txog, suav nrog solubility, viscosity, volatility, toxicity, thiab ib puag ncig cuam tshuam. Kev xaiv cov kuab tshuaj tuaj yeem cuam tshuam cov khoom ntawm cov khoom kawg.
Ethanol: Ethanol yog ib qho ntawm feem ntau siv cov kuab tshuaj rau ethyl cellulose. Nws yog yooj yim muaj, kuj pheej yig, thiab pom zoo solubility rau ethyl cellulose. Ethanol yog siv dav hauv kev siv tshuaj rau kev npaj cov txheej txheem, zaj duab xis, thiab matrices.
Isopropanol (IPA): Isopropanol yog lwm qhov hnyav hnyav rau ethyl cellulose. Nws muaj cov txiaj ntsig zoo sib xws rau ethanol tab sis tuaj yeem muab cov yeeb yaj kiab ua kom zoo dua thiab muaj zog dua, ua rau nws tsim nyog rau cov ntawv thov uas xav tau lub sijhawm ziab sai dua.
Methanol: Methanol yog cov kuab tshuaj polar uas tuaj yeem yaj ethyl cellulose zoo. Txawm li cas los xij, nws tsis tshua siv vim nws cov tshuaj lom ntau dua piv rau ethanol thiab isopropanol. Methanol feem ntau yog ua haujlwm hauv cov ntawv tshwj xeeb uas nws cov khoom tshwj xeeb yuav tsum tau ua.
Acetone: Acetone yog ib qho hnyav hnyav nrog solubility zoo rau ethyl cellulose. Nws yog feem ntau siv rau hauv cov ntawv thov kev lag luam rau kev tsim cov txheej txheem, cov nplaum, thiab inks. Txawm li cas los xij, acetone tuaj yeem ua rau kub hnyiab tau thiab tuaj yeem ua rau muaj kev nyab xeeb yog tias tsis ua haujlwm zoo.
Toluene: Toluene yog cov kuab tshuaj uas tsis yog-polar uas pom zoo solubility rau ethyl cellulose. Nws yog feem ntau siv nyob rau hauv cov coatings thiab adhesives kev lag luam rau nws muaj peev xwm mus yaj ntau yam polymers, nrog rau ethyl cellulose. Txawm li cas los xij, toluene muaj kev txhawj xeeb txog kev noj qab haus huv thiab ib puag ncig cuam tshuam nrog nws txoj kev siv, suav nrog toxicity thiab volatility.
Xylene: Xylene yog lwm cov kuab tshuaj tsis muaj polar uas tuaj yeem yaj ethyl cellulose zoo. Nws yog feem ntau siv ua ke nrog lwm cov kuab tshuaj los kho cov solubility thiab viscosity ntawm cov tshuaj. Zoo li toluene, xylene ua rau muaj kev phom sij rau kev noj qab haus huv thiab ib puag ncig thiab yuav tsum tau ua tib zoo tuav.
Chlorinated Solvents (piv txwv li, Chloroform, Dichloromethane): Chlorinated cov kuab tshuaj xws li chloroform thiab dichloromethane muaj txiaj ntsig zoo ntawm kev ua kom ethyl cellulose. Txawm li cas los xij, lawv muaj feem cuam tshuam nrog kev noj qab haus huv thiab kev phom sij ib puag ncig, suav nrog toxicity thiab ib puag ncig persistence. Vim yog cov kev txhawj xeeb no, lawv cov kev siv tau tsis pom zoo rau lwm txoj kev nyab xeeb.
Ethyl Acetate: Ethyl acetate yog cov kuab tshuaj polar uas tuaj yeem yaj ethyl cellulose rau qee yam. Nws yog feem ntau siv rau hauv daim ntawv thov tshwj xeeb uas nws cov khoom tshwj xeeb xav tau, xws li hauv kev tsim ntawm qee cov ntawv siv tshuaj thiab cov txheej txheem tshwj xeeb.
Propylene Glycol Monomethyl Ether (PGME): PGME yog cov kuab tshuaj tiv thaiv kab mob uas nthuav tawm cov solubility me ntsis rau ethyl cellulose. Nws yog feem ntau siv ua ke nrog lwm cov kuab tshuaj los txhim kho solubility thiab zaj duab xis-tsim zog. PGME feem ntau ua haujlwm hauv kev tsim cov txheej txheem, inks, thiab adhesives.
Propylene Carbonate: propylene carbonate yog cov kuab tshuaj polar nrog solubility zoo rau ethyl cellulose. Nws yog feem ntau siv rau hauv cov ntawv tshwj xeeb uas nws cov khoom tshwj xeeb, xws li tsis tshua muaj hluav taws xob thiab kub kub taw tes, yog qhov zoo.
Dimethyl Sulfoxide (DMSO): DMSO yog polar aprotic hnyav uas tuaj yeem yaj ethyl cellulose rau qee yam. Nws yog feem ntau siv hauv kev siv tshuaj rau nws lub peev xwm los solubilize ntau yam sib txuas. Txawm li cas los xij, DMSO tuaj yeem pom muaj kev sib raug zoo nrog qee cov ntaub ntawv thiab tuaj yeem ua rau tawv nqaij ua kom tawv nqaij.
N-Methyl-2-pyrrolidone (NMP): NMP yog ib tug polar hnyav uas muaj solubility siab rau ethyl cellulose. Nws yog feem ntau siv rau hauv daim ntawv thov tshwj xeeb uas nws cov khoom tshwj xeeb, xws li kub kub taw tes thiab tsis muaj tshuaj lom, xav tau.
Tetrahydrofuran (THF): THF yog cov kuab tshuaj polar uas nthuav tawm cov solubility zoo heev rau ethyl cellulose. Nws yog feem ntau siv nyob rau hauv lub chaw soj nstuam rau dissolution ntawm polymers thiab raws li ib tug tshuaj solvent. Txawm li cas los xij, THF yog cov nplaim taws heev thiab ua rau muaj kev nyab xeeb yog tias tsis ua haujlwm zoo.
Dioxane: Dioxane yog cov kuab tshuaj polar uas tuaj yeem yaj ethyl cellulose rau qee yam. Nws yog feem ntau siv rau hauv daim ntawv thov tshwj xeeb uas nws cov khoom tshwj xeeb, xws li kub kub taw tes thiab qis toxicity, yog qhov zoo.
Benzene: Benzene yog cov kuab tshuaj uas tsis yog-polar uas pom zoo solubility rau ethyl cellulose. Txawm li cas los xij, vim nws cov tshuaj toxicity siab thiab carcinogenicity, nws txoj kev siv tau raug txiav tawm ntau rau kev pom zoo rau lwm txoj kev nyab xeeb.
Methyl Ethyl Ketone (MEK): MEK yog cov kuab tshuaj polar nrog solubility zoo rau ethyl cellulose. Nws yog feem ntau siv nyob rau hauv cov ntawv thov kev lag luam rau kev tsim cov coatings, adhesives, thiab inks. Txawm li cas los xij, MEK tuaj yeem ua rau muaj hluav taws kub heev thiab tuaj yeem ua rau muaj kev nyab xeeb yog tias tsis ua haujlwm zoo.
Cyclohexanone: Cyclohexanone yog cov kuab tshuaj polar uas tuaj yeem yaj ethyl cellulose rau qee yam. Nws yog feem ntau siv rau hauv cov ntawv tshwj xeeb uas nws cov khoom tshwj xeeb, xws li kub kub taw tes thiab tsis muaj tshuaj lom, yog xav tau.
Ethyl Lactate: Ethyl lactate yog cov kuab tshuaj polar uas tau los ntawm cov peev txheej txuas ntxiv mus. Nws nthuav tawm me ntsis solubility rau ethyl cellulose thiab feem ntau yog siv rau hauv cov ntawv tshwj xeeb uas nws tsis tshua muaj toxicity thiab biodegradability yog qhov zoo.
Diethyl Ether: Diethyl ether yog cov kuab tshuaj tsis muaj polar uas tuaj yeem yaj ethyl cellulose rau qee yam. Txawm li cas los xij, nws yog cov volatile thiab flammable, ua rau muaj kev nyab xeeb yog tias tsis ua haujlwm zoo. Diethyl ether feem ntau yog siv nyob rau hauv cov chaw kuaj mob rau kev tawg ntawm polymers thiab ua cov tshuaj tiv thaiv hnyav.
Petroleum Ether: Petroleum ether yog cov kuab tshuaj uas tsis yog-polar tau los ntawm cov roj av feem. Nws nthuav tawm txwv kev solubility rau ethyl cellulose thiab feem ntau yog siv hauv cov ntawv tshwj xeeb uas nws cov khoom tshwj xeeb xav tau.
muaj ntau yam kuab tshuaj muaj nyob rau hauv dissolving ethyl cellulose, txhua tus nrog nws tus kheej txheej ntawm zoo thiab kev txwv. Kev xaiv cov kuab tshuaj yog nyob ntawm ntau yam, suav nrog cov kev xav tau solubility, kev ua haujlwm, kev xav txog kev nyab xeeb, thiab kev txhawj xeeb ntawm ib puag ncig. Nws yog ib qho tseem ceeb kom ua tib zoo soj ntsuam cov xwm txheej no thiab xaiv cov kuab tshuaj uas tsim nyog tshaj plaws rau txhua daim ntawv thov tshwj xeeb kom ua tiav cov txiaj ntsig zoo thaum ua kom muaj kev nyab xeeb thiab kev ruaj ntseg ib puag ncig.
Post lub sij hawm: Mar-06-2024