Solvents inoita basa rakakosha mukugadzira uye kugadzirisa mapolymers senge ethyl cellulose (EC). Ethyl cellulose i polymer inoshanda zvakasiyana-siyana inotorwa kubva ku cellulose, yakasikwa polymer inowanikwa muchirimwa sero madziro. Inowanzoshandiswa mumaindasitiri akasiyana semishonga, machira, anonamira, uye chikafu.
Pakusarudza zvinonyungudutsa zve ethyl cellulose, zvinhu zvakati wandei zvinofanirwa kutariswa, zvinosanganisira solubility, viscosity, volatility, toxicity, uye kukanganisa kwezvakatipoteredza. Sarudzo yekunyungudutsa inogona kukanganisa zvakanyanya zvinhu zvechigadzirwa chekupedzisira.
Ethanol: Ethanol chimwe chezvinonyanya kushandiswa zvinonyungudutsa zve ethyl cellulose. Inowanikwa zviri nyore, isingadhure, uye inoratidza kunyungudika kwakanaka kwe ethyl cellulose. Ethanol inoshandiswa zvakanyanya mukushandiswa kwemishonga yekugadzira machira, mafirimu, uye matrices.
Isopropanol (IPA): Isopropanol imwe yakakurumbira solvent ye ethyl cellulose. Inopa mabhenefiti akafanana kune ethanol asi inogona kupa zvirinani zvekugadzira firimu uye kusimba kwepamusoro, zvichiita kuti ive yakakodzera kune zvikumbiro zvinoda kukurumidza kuoma nguva.
Methanol: Methanol is polar solvent inogona kunyungudutsa ethyl cellulose zvinobudirira. Zvisinei, hainyanyi kushandiswa nekuda kwehupfu hwayo hwepamusoro kana ichienzaniswa ne ethanol uye isopropanol. Methanol inonyanya kushandiswa mumashandisirwo ane hunyanzvi panodiwa zvivakwa zvayo.
Acetone: Acetone is volatile solvent ine yakanaka solubility ye ethyl cellulose. Inowanzo shandiswa mumaindasitiri mashandisirwo ekugadzira machira, anonamira, uye ingi. Nekudaro, acetone inogona kupisa zvakanyanya uye inogona kuunza njodzi dzekuchengetedza kana isina kubatwa nemazvo.
Toluene: Toluene isiri-polar solvent inoratidza kunyungudika kwakanyanya kwe ethyl cellulose. Inowanzo shandiswa muindasitiri yekupfeka uye yekunamira nekuda kwekugona kwayo kunyungudutsa akawanda mapolymers, kusanganisira ethyl cellulose. Nekudaro, toluene ine hutano uye zvakatipoteredza zvine chekuita nekushandiswa kwayo, kusanganisira muchetura uye kusagadzikana.
Xylene: Xylene imwe isiri-polar solvent inogona kunyungudutsa ethyl cellulose zvinobudirira. Inowanzoshandiswa pamwe chete nezvimwe zvinonyungudutsa kugadzirisa solubility uye viscosity yemhinduro. Kufanana netoluene, xylene inoisa hutano uye njodzi yezvakatipoteredza uye inoda kunyatsobata.
Chlorinated Solvents (semuenzaniso, Chloroform, Dichloromethane): Zvinonyungudutsa zvine chlorine zvakaita sechloroform uye dichloromethane zvinoshanda zvakanyanya pakunyungudutsa ethyl cellulose. Nekudaro, iwo akabatana nehutano hwakakosha uye njodzi dzezvakatipoteredza, kusanganisira chepfu uye kushingirira kwezvakatipoteredza. Nekuda kwekunetseka uku, kushandiswa kwavo kwadzikira nekuda kwedzimwe nzira dzakachengeteka.
Ethyl Acetate: Ethyl acetate is polar solvent inogona kunyungudutsa ethyl cellulose kune imwe nhanho. Inowanzo shandiswa muhunyanzvi maapplication uko iwo chaiwo maficha anodiwa, senge mukugadzira mamwe emishonga dosage mafomu uye specialty coatings.
Propylene Glycol Monomethyl Ether (PGME): PGME is polar solvent inoratidza kunyungudika kuri pakati nepakati kune ethyl cellulose. Inowanzoshandiswa pamwe chete nezvimwe zvinonyungudutsa kuvandudza solubility uye firimu-kugadzira zvinhu. PGME inowanzo shandiswa mukugadzira machira, ingi, uye zvinonamira.
Propylene Carbonate: Propylene carbonate is polar solvent ine yakanaka solubility ye ethyl cellulose. Inowanzo shandiswa muhunyanzvi maapplication apo ayo chaiwo zvimiro, senge yakaderera volatility uye yakakwirira yekubikira nzvimbo, inobatsira.
Dimethyl Sulfoxide (DMSO): DMSO is polar aprotic solvent inogona kunyungudutsa ethyl cellulose kusvika pamwero. Inowanzoshandiswa mumishonga yemishonga nokuda kwekugona kwayo kugadzirisa zvakasiyana-siyana zvemishonga. Nekudaro, DMSO inogona kuratidza kushomeka kuenderana nezvimwe zvinhu uye inogona kuve nekushatisa ganda zvimiro.
N-Methyl-2-pyrrolidone (NMP): NMP is polar solvent ine high solubility ye ethyl cellulose. Inowanzo shandiswa muhunyanzvi maapplication apo ayo chaiwo zvimiro, senge yakakwira yekubikira nzvimbo uye yakaderera toxicity, inodiwa.
Tetrahydrofuran (THF): THF is polar solvent inoratidza kunyungudika kwakanyanya kwe ethyl cellulose. Inowanzo shandiswa mumarabhoritari marongero ekunyungudutswa kwemapolymers uye seyakagadziriswa solvent. Nekudaro, THF inopfuta zvakanyanya uye inoisa njodzi dzekuchengetedza kana isina kubatwa nemazvo.
Dioxane: Dioxane is polar solvent inogona kunyungudutsa ethyl cellulose kusvika pamwero wakati. Inowanzo shandiswa muhunyanzvi maapplication apo ayo chaiwo zvimiro, senge yakakwira yekubikira nzvimbo uye yakaderera toxicity, inobatsira.
Benzene: Benzene isiri-polar solvent inoratidza kunaka kunyungudika kwe ethyl cellulose. Nekudaro, nekuda kwehupfu hwakanyanya uye carcinogenicity, kushandiswa kwayo kwakamiswa zvakanyanya nekuda kwedzimwe nzira dzakachengeteka.
Methyl Ethyl Ketone (MEK): MEK is polar solvent ine yakanaka solubility ye ethyl cellulose. Inowanzo shandiswa mumaindasitiri mashandisirwo ekugadzira machira, anonamira, uye ingi. Nekudaro, MEK inogona kupfuta zvakanyanya uye inogona kuunza njodzi dzekuchengetedza kana ikasabatwa nemazvo.
Cyclohexanone: Cyclohexanone is polar solvent inogona kunyungudutsa ethyl cellulose kune imwe nhanho. Inowanzo shandiswa muhunyanzvi maapplication apo ayo chaiwo zvimiro, senge yakakwira yekubikira nzvimbo uye yakaderera toxicity, inodiwa.
Ethyl Lactate: Ethyl lactate is polar solvent inotorwa kubva kune zvinogonekazve zviwanikwa. Inoratidza kunyungudika kuri pakati nepakati kune ethyl cellulose uye inowanzoshandiswa muhunyanzvi maapplication uko kuderera kwayo huturu uye biodegradability zvine pundutso.
Diethyl Ether: Diethyl ether isiri-polar solvent inogona kunyungudutsa ethyl cellulose kune imwe nhanho. Zvisinei, inoputika zvikuru uye inopfuta, ichiisa njodzi dzekuchengetedza kana isina kubatwa zvakanaka. Diethyl ether inowanzoshandiswa mumarabhoritari marongero ekuparara kwemapolymers uye sechinhu chinonyungudutsa.
Petroleum Ether: Petroleum ether is non-polar solvent yakabva kune petroleum fractions. Iyo inoratidza kushomeka kunyungudika kwe ethyl cellulose uye inonyanya kushandiswa muhunyanzvi maapplication uko kwainodiwa zvimiro zvayo.
kune zvakasiyana-siyana zvezvinonyungudutsa zviripo zvekunyungudutsa ethyl cellulose, imwe neimwe iine seti yayo yezvakanakira uye zvinogumira. Sarudzo ye solvent inoenderana nezvinhu zvakasiyana, zvinosanganisira solubility zvinodiwa, mamiriro ekugadzirisa, kufunga nezvekuchengetedza, uye kunetseka kwezvakatipoteredza. Izvo zvakakosha kuti unyatso ongorora zvinhu izvi uye sarudza iyo yakanyanya kunyungudutsa yakakodzera kune yega yega application kuti uwane yakakwana mibairo uchive nechokwadi chekuchengetedza uye kuchengetedza kwezvakatipoteredza.
Nguva yekutumira: Mar-06-2024