Solvents e taua tele le sao i le faʻatulagaina ma le gaosiga o polymers pei ole ethyl cellulose (EC). O le Ethyl cellulose o se polymer tele e maua mai i le cellulose, o se polymer masani o loʻo maua i totonu o puipui o laau. E masani ona faʻaaogaina i pisinisi eseese e pei o vailaʻau, faʻapipiʻi, faʻapipiʻi, ma meaʻai.
Pe a filifilia solvents mo le ethyl cellulose, e tele mea e tatau ona mafaufau i ai, e aofia ai le solubility, viscosity, volatility, toxicity, ma le siosiomaga. O le filifiliga o le solvent e mafai ona matua a'afia ai meatotino o le oloa mulimuli.
Ethanol: Ethanol o se tasi o vaifofo masani ona fa'aaogaina mo le ethyl cellulose. E faigofie ona maua, e taugofie, ma fa'aalia lelei le solubility mo le ethyl cellulose. O le ethanol e masani ona faʻaaogaina i vailaʻau faʻapitoa mo le saunia o faʻaofuofu, ata tifaga, ma matrices.
Isopropanol (IPA): Isopropanol o se isi solu lauiloa mo ethyl cellulose. E ofoina atu tulaga lelei tutusa i le ethanol ae e mafai ona maua ai mea e sili atu ona fai ata tifaga ma sili atu le felafolafoa'i, e talafeagai ai mo talosaga e mana'omia ai taimi fa'agogo vave.
Methanol: O le Methanol o se mea faʻapipiʻi polar e mafai ona faʻamavae lelei le ethyl cellulose. Ae ui i lea, e le masani ona faʻaaogaina ona o lona maualuga oona pe a faʻatusatusa i le ethanol ma le isopropanol. O le Methanol e masani lava ona faʻaaogaina i faʻaoga faʻapitoa e manaʻomia ai ona meatotino.
Acetone: Acetone ose solu fe'avea'i ma solubility lelei mo ethyl cellulose. E masani ona faʻaaogaina i mea tau alamanuia mo le faʻapipiʻiina o paʻu, faʻapipiʻi, ma vaitusi. Ae ui i lea, o le acetone e mafai ona matua mu ma e ono lamatia ai le saogalemu pe a le taulimaina lelei.
Toluene: Toluene o se solu e le polar e faʻaalia ai le solubility sili ona lelei mo le ethyl cellulose. E masani ona faʻaaogaina i le faʻapipiʻiina ma faʻapipiʻi alamanuia mo lona gafatia e faʻamavae le tele o polymers, e aofia ai le ethyl cellulose. Ae ui i lea, o le toluene e iai popolega ile soifua maloloina ma le siosiomaga e fesoʻotaʻi ma lona faʻaogaina, e aofia ai le oona ma le faʻafefe.
Xylene: O le Xylene o le isi mea e le polar solvent e mafai ona fa'amavae lelei le ethyl cellulose. E masani ona faʻaaogaina faʻatasi ma isi solvents e faʻafetaui ai le solubility ma le viscosity o le fofo. E pei o le toluene, o le xylene e a'afia ai le soifua maloloina ma le si'osi'omaga ma e mana'omia ai le taulimaina ma le fa'aeteete.
Solvents Chlorinated (fa'ata'ita'iga, Chloroform, Dichloromethane): O mea e fa'amalieina e pei ole chloroform ma le dichloromethane e matua aoga tele ile fa'amavaeina ole ethyl cellulose. Ae ui i lea, e fesoʻotaʻi ma faʻalavelave faʻalesoifua maloloina ma le siosiomaga, e aofia ai le oona ma le faʻaauau pea o le siosiomaga. Ona o nei atugaluga, o lo latou faʻaogaina ua faʻaitiitia i le fiafia i isi mea saogalemu.
Ethyl Acetate: Ethyl acetate o se mea faʻapipiʻi polar lea e mafai ona faʻamavaeina le ethyl cellulose i se tulaga. E masani ona faʻaaogaina i faʻaoga faʻapitoa e manaʻomia ai ona mea faʻapitoa, e pei o le faʻatulagaina o nisi vailaʻau vailaʻau faʻapitoa ma faʻapipiʻi faʻapitoa.
Propylene Glycol Monomethyl Ether (PGME): PGME o se solu polar e faʻaalia le solubility feololo mo ethyl cellulose. E masani ona faʻaaogaina faʻatasi ma isi solvents e faʻaleleia ai le solubility ma mea e fai ata tifaga. O le PGME e masani ona faʻaaogaina i le faʻatulagaina o paʻu, vaitusi, ma faʻapipiʻi.
Propylene Carbonate: O le propylene carbonate o se solu polar ma solubility lelei mo ethyl cellulose. E masani ona faʻaaogaina i faʻaoga faʻapitoa lea e aoga ai ona uiga faʻapitoa, e pei o le maualalo o le volatility ma le maualuga o le vevela.
Dimethyl Sulfoxide (DMSO): DMSO o se polar aprotic solvent e mafai ona faʻamavaeina le ethyl cellulose i nisi itu. E masani ona faʻaaogaina i vailaʻau faʻapitoa mo lona gafatia e solubilize le tele o mea faʻapipiʻi. Ae ui i lea, e mafai e le DMSO ona faʻaalia le faʻatapulaʻaina o fesoʻotaʻiga ma nisi mea ma e mafai ona iai ni mea e faʻafefe ai le paʻu.
N-Methyl-2-pyrrolidone (NMP): NMP o se solu polar ma maualuga solubility mo ethyl cellulose. E masani ona faʻaaogaina i faʻaoga faʻapitoa lea e manaʻomia ai ona uiga faʻapitoa, e pei o le maualuga o le vevela ma le maualalo o le oona.
Tetrahydrofuran (THF): THF o se solu polar e faʻaalia ai le solubility sili ona lelei mo le ethyl cellulose. E masani ona faʻaaogaina i totonu o fale suʻesuʻe mo le faʻamavaeina o polymers ma avea ma se mea e faʻafefete ai. Ae ui i lea, o le THF e sili ona mu ma e ono lamatia ai le saogalemu pe a le taulimaina lelei.
Dioxane: O le Dioxane o se mea faʻapipiʻi polar e mafai ona faʻamavaeina le ethyl cellulose i se tulaga. E masani ona faʻaaogaina i faʻaoga faʻapitoa lea e aoga ai ona mea faʻapitoa, e pei o le maualuga o le vevela ma le maualalo o le oona.
Benzene: Benzene o se solu e le o polar e faʻaalia ai le solubility lelei mo le ethyl cellulose. Ae ui i lea, ona o le maualuga o le oona ma le carcinogenicity, o lona faʻaaogaina ua tele lava ina faʻagata ona o le sili atu le saogalemu.
Methyl Ethyl Ketone (MEK): MEK o se solu polar ma solubility lelei mo ethyl cellulose. E masani ona faʻaaogaina i mea tau alamanuia mo le faʻapipiʻiina o paʻu, faʻapipiʻi, ma vaitusi. Ae ui i lea, o le MEK e mafai ona matua mu ma e ono tula'i mai ni lamatiaga mo le saogalemu pe a le taulimaina lelei.
Cyclohexanone: O le cyclohexanone o se mea faʻapipiʻi polar e mafai ona faʻamavaeina le ethyl cellulose i se tulaga. E masani ona faʻaaogaina i faʻaoga faʻapitoa lea e manaʻomia ai ona uiga faʻapitoa, e pei o le maualuga o le vevela ma le maualalo o le oona.
Ethyl Lactate: O le Ethyl lactate o se vaifofo polar e maua mai punaoa faʻafouina. O lo'o fa'aalia ai le solubility feololo mo le ethyl cellulose ma e masani ona fa'aogaina i fa'aoga fa'apitoa lea e maualalo ai le oona ma le biodegradability e aoga.
Diethyl Eter: Diethyl eter o se mea e le polar solvent lea e mafai ona faʻamavaeina le ethyl cellulose i se tulaga. Peita'i, e matuā fe'avea'i ma mu, e ono lamatia ai le saogalemu pe a le taulimaina lelei. Diethyl eter e masani ona faʻaaogaina i totonu o fale suʻesuʻe mo le faʻamavaeina o polymers ma avea ma se faʻafefe faʻafefe.
Petroleum Eter: Petroleum eter o se soli e le polar e maua mai vaega ninii suauu. O lo'o fa'aalia ai le solubility fa'atapula'a mo le ethyl cellulose ma e fa'aaogaina tele i fa'aoga fa'apitoa e mana'omia ai ona meatotino.
o loʻo i ai le tele o mea faʻapipiʻi avanoa mo le faʻamavaeina o le ethyl cellulose, e taʻitasi ma lona lava seti o mea lelei ma tapulaa. O le filifiliga o le solvent e fa'alagolago i mea eseese, e aofia ai mana'oga solubility, tulaga o gaioiga, iloiloga saogalemu, ma popolega tau le siosiomaga. E taua tele le iloiloina ma le toto'a o nei mea ma filifili le solvent e sili ona talafeagai mo faʻaoga faʻapitoa taʻitasi ina ia ausia taunuʻuga sili ona lelei aʻo faʻamautinoa le saogalemu ma le faʻaleleia o le siosiomaga.
Taimi meli: Mati-06-2024