Izixazululo zidlala indima ebalulekile ekwakhekeni nasekucutshungweni kwama-polymers anjenge-ethyl cellulose (EC). I-Ethyl Cellulose iyi-polymer eguquguqukayo ethathwe ku-cellulose, i-polymer yemvelo etholakala ezindongeni zeseli zezitshalo. Isetshenziswa kakhulu kwizimboni ezahlukahlukene ezinjengemithi, ukumboza, ukunamathela nokudla.
Lapho ukhetha ama-solvents we-ethyl cellulose, izici eziningana ezidinga ukubhekwa, kufaka phakathi i-solubity, ukubonwa, ukuguquguquka, ubuthi, nobumsulwa. Ukukhethwa kwe-solvent kungathonya kakhulu izakhiwo zomkhiqizo wokugcina.
I-Ethanol: I-Ethanol ingenye yezinto ezisetshenziswa kakhulu ze-solvents ezisetshenziswa kakhulu ze-ethyl cellulose. Itholakala kalula, ayibizi kakhulu, futhi imibukiso i-soubity enhle ye-ethyl cellulose. I-Ethanol isetshenziswa kabanzi ekusetshenzisweni kwemithi kokulungiswa kwezimbozo, amafilimu, kanye nama-matric.
I-ISOPPPANOL (IPA): I-Sopropanol ingenye i-solvent ethandwayo ye-ethyl cellulose. Inikeza izinzuzo ezifanayo ze-ethanol kodwa zinganikeza izakhiwo ezingcono ezakha amafilimu kanye nokuguquguquka okuphezulu, okwenza kube lula ukuthola izicelo ezidinga izikhathi zokumisa ngokushesha.
I-Methanol: I-Methanol iyi-solvent polar engancibilikisa kahle i-ethyl cellulose. Kodwa-ke, ayisetshenziswa kakhulu ngenxa yobuthi bayo obuphakeme uma kuqhathaniswa ne-ethanol ne-isopropanol. I-Methanol isetshenziswe kakhulu kwizicelo ezikhethekile lapho kudingeka khona izakhiwo zayo ezithile.
I-Acetone: I-Acetone iyi-solvent eguquguqukayo nge-solubity enhle ye-ethyl cellulose. Isetshenziswa kakhulu kwizicelo zezimboni zokwakhiwa kwezimbozo, ukunamathela kanye nama-inks. Kodwa-ke, i-acetone ingavutha kakhulu futhi ingahle ibe nezingozi zokuphepha uma ingaphathwa kahle.
I-Toluene: UToluene uyi-solvent engeyona eye-polar ekhombisa ukungabikho okuphezulu kwe-ethyl cellubelose. Isetshenziswa kakhulu embonini nasezindaweni ezinamathela kakhulu ngekhono layo lokuncibilikisa ama-polymers ahlukahlukene, kufaka phakathi i-ethyl cellulose. Kodwa-ke, iToluene inezinkinga zezempilo nezemvelo ezihambisana nokusetshenziswa kwayo, kufaka phakathi ubuthi kanye nokuguquguquka.
I-XYLENE: I-XYYLENE ingenye i-solvent engeyona eye-polar engancibilikisa kahle i-ethyl cellulose. Imvamisa isetshenziswa ngokuhlanganiswa namanye ama-solvents ukulungisa i-solubity kanye nokubona kwekhambi. NjengoTolune, iXylene ibeka engcupheni yezempilo nezemvelo futhi idinga ukuphatha ngokucophelela.
I-Solvents Ehlanganisiwe (isib Kodwa-ke, zihlotshaniswa nezingozi ezibalulekile zezempilo nezemvelo, kufaka phakathi ubuthi kanye nokuphikelela kwemvelo. Ngenxa yalokhu kukhathazeka, ukusetshenziswa kwazo kunqabile ukuvumela ezinye izindlela eziphephile.
I-Ethyl Acetate: I-Ethyl Acetate iyi-solvent ePolar engancibilikisa i-ethyl cellulose ngezinga elithile. Isetshenziswa kakhulu kuzinhlelo zokusebenza ezikhethekile lapho izakhiwo zayo ezithile zifiswa khona, njengokuqanjwa kwamafomu amancane emithi emithi kanye nezingubo ezikhethekile.
I-Propellene Glycol Monomethyl ether (PGME): I-PGME i-solvent polar ekhombisa insongile elinganiselayo le-ethyl cellubelose. Imvamisa isetshenziswa ngokuhlanganiswa namanye ama-solvents ukuthuthukisa i-solubity kanye nezakhiwo ezenziwe ngefilimu. I-PGME ivame ukuqashwa ekwakhiweni kwezimbozo, ama-inks, kanye nama-adhesives.
I-Propellene Carbonate: I-Porylene Carbonate iyi-solvent ePolar ene-soubelity enhle ye-ethyl cellulose. Imvamisa isetshenziswa kuzinhlelo zokusebenza ezikhethekile lapho izakhiwo zayo ezithile, njengokuqina okuphansi nephuzu eliphakeme eliphakeme, zinenzuzo.
I-Dimethyl Sulfoxide (DMSO): I-DMSO iyi-polar aprotic solvent engahlukanisa i-ethyl cellulose ngezinga elithile. Isetshenziswa kakhulu ekusetshenzisweni kwemithi ngekhono layo lokufaka amakhompiyutha ahlukahlukene. Kodwa-ke, i-DMSO ingakhombisa ukuhambisana okulinganiselwe ngezinto ezithile futhi ingaba nezindawo zokucasuka kwesikhumba.
I-N-Methyl-2-PyrloliDone (NMP): I-NMP i-polar solvent ene-solubity ephezulu ye-ethyl cellulose. Isetshenziswa kakhulu kuzinhlelo zokusebenza ezikhethekile lapho izakhiwo zayo ezithile, njengephuzu elisezingeni eliphakeme kanye nobuthi obuphansi, zifiswa.
I-Tetrahydroforan (thf): I-THF iyi-solvent epholile ekhombisa ukulekelela okuhle kwe-ethyl cellulose. Isetshenziswa kakhulu kuzilungiselelo zelebhu zokuchithwa kwama-polymers nanjenge-solvent yokusabela. Kodwa-ke, i-THF inokuvutha okuvuthayo futhi ibeka izingozi zokuphepha uma ingaphathwa kahle.
UDioxane: UDioxane uyi-solvent epholile engancibilikisa i-ethyl cellulose ngezinga elithile. Isetshenziswa kakhulu kuzinhlelo zokusebenza ezikhethekile lapho izakhiwo zayo ezithile, njengephuzu eliphakeme eliphakeme kanye nobuthi obuphansi, zinenzuzo.
UBenzene: I-Benzene yi-solvent engeyona eye-polar ekhombisa ubulungisa okuhle kwe-ethyl cellulose. Kodwa-ke, ngenxa yobuthi bayo obukhulu kanye ne-carcinogenicity, ukusetshenziswa kwayo kunqanyulwe kakhulu ukuthandwa ngezindlela eziphephile.
I-methyl ethyl ketone (mek): I-Mek iyi-solvent polar ene-solubity enhle ye-ethyl cellulose. Isetshenziswa kakhulu kwizicelo zezimboni zokwakhiwa kwezimbozo, ukunamathela kanye nama-inks. Kodwa-ke, iMek ingavutha kakhulu futhi ingahle ibe nezingozi zokuphepha uma ingaphathwa kahle.
I-cyclohexanone: i-cyclohexanone iyi-solvent polar engancibilikisa i-ethyl cellulose ngezinga elithile. Isetshenziswa kakhulu kuzinhlelo zokusebenza ezikhethekile lapho izakhiwo zayo ezithile, njengephuzu elisezingeni eliphakeme kanye nobuthi obuphansi, zifiswa.
I-Ethyl Lactate: I-Ethyl Lactate iyi-solvent ePolar ethathwe kwizinsizakusebenza ezivuselelekayo. Ibonisa insocility elinganiselela i-ethyl cellulose futhi ivame ukusetshenziswa kuzinhlelo zokusebenza ezikhethekile lapho ubuthi bayo obuphansi kanye ne-bioderHudalabilibility inenzuzo.
UDiethyl Ether: Diethyl Ether yi-solvent engeyona eye-polar engancibilikisa i-ethyl cellulose ngezinga elithile. Kodwa-ke, kuguquguquka kakhulu futhi kuvuthayo, kubeka izingozi zokuphepha uma kungaxazululwa kahle. I-Diethyl Ether isetshenziswa kakhulu kuzilungiselelo zelebhu zokuchithwa kwama-polymers nanjenge-solvent yokusabela.
UPetroleum Ether: Uphethiloli ether yi-solvent engeyona eye-polar ethathwe kuma-petroleum friction. Ibonisa i-solubity elinganiselwe ye-ethyl cellulose futhi isetshenziswa ikakhulukazi kuzinhlelo zokusebenza ezikhethekile lapho izakhiwo zayo ezithile zifiswa khona.
Kunezinhla ezibanzi ze-solves ezitholakalayo zokuqeda i-ethyl cellulose, ngayinye enesethi yayo yezinzuzo nokulinganiselwa. Ukukhethwa kwe-solvent kuncike ezintweni ezahlukahlukene, kufaka phakathi izidingo zokulula, izimo zokucubungula, ukucatshangelwa kokuphepha, kanye nokukhathazeka kwemvelo. Kubalulekile ukuhlola ngokucophelela lezi zinto bese ukhetha i-solvent efaneleke kakhulu kwisicelo ngasinye sokuthola imiphumela ephezulu ngenkathi kuqinisekisa ukuphepha nokusimama kwemvelo.
Isikhathi sePosi: Mar-06-2024