I-Ethyl cellulose i-hydrophilic okanye i-hydrophobic

I-Ethyl cellulose yipolymer eyenziweyo esetyenziswa kakhulu kumashishini ahlukeneyo, kubandakanya amayeza, ukutya, kunye nokhathalelo lomntu. Iyaziwa ngeempawu zayo ezibalaseleyo zokwenza ifilimu, ukuhambelana okuphezulu kunye nezinye izinto, kunye nokumelana kakuhle neekhemikhali kunye nezinto ezisingqongileyo. Enye yeempawu eziphambili ze-ethyl cellulose yi-hydrophobicity yayo, engumlinganiselo wobudlelwane bayo emanzini.

I-Hydrophobicity yipropati yento echaza ukuthambekela kwayo ukugxotha iimolekyuli zamanzi. Ngokubanzi, izinto ze-hydrophobic azinyibiliki okanye azinyibiliki kakuhle emanzini kwaye zithande ukudibanisa nezinye iiamolekyuli ze-hydrophobic. I-Hydrophobicity ibonakala kubukho bamaqela angekho mhlophe okanye asezantsi-polarity kwisakhiwo semolekyuli, njengamatyathanga e-hydrocarbon okanye amakhonkco anuka kamnandi.

I-Ethyl cellulose ithathwa njengepolymer ye-hydrophobic ngenxa yobukho bamaqela e-ethyl kwisakhiwo sayo se-molecular. Amaqela e-ethyl ayi-nonpolar kunye ne-hydrophobic, kwaye ubukho babo bonyusa i-hydrophobicity yonke ye-polymer. Ukongeza, i-ethyl cellulose ineqondo eliphantsi lokutshintshwa kwamaqela e-ethyl, nto leyo enegalelo ngakumbi kumlingiswa wayo we-hydrophobic.

Nangona kunjalo, i-hydrophobicity ye-ethyl cellulose inokuguqulwa ngokutshintsha iqondo lokutshintshwa okanye ngokufaka amaqela e-hydrophilic kwisakhiwo se-polymer. Ngokomzekelo, ukuqaliswa kwamaqela e-hydrophilic afana ne-hydroxyl okanye amaqela e-carboxyl anokunyusa i-hydrophilicity ye-polymer kunye nokuphucula ukunyibilika kwayo emanzini. Umgangatho wokutshintsha nawo unokunyuswa ukwandisa inani lamaqela e-hydrophilic kunye nokuphucula i-hydrophilicity ye-polymer.

Ngaphandle kwe-hydrophobicity yayo, i-ethyl cellulose isathathwa njengesixhobo esiluncedo kwizicelo ezahlukeneyo, ngakumbi kwishishini lamayeza. Uphawu lwayo lwe-hydrophobic luyenza ibe yinto egqwesileyo yomqobo kwiinkqubo zokuhanjiswa kweziyobisi, njengoko inokuthintela ukungena komswakama okanye ezinye izinto ze-hydrophilic kwifom yedosi. Oku kunokunceda ukukhusela uzinzo kunye nokusebenza kwechiza ixesha elide.

Isishwankathelo, i-ethyl cellulose i-polymer ye-hydrophobic ngenxa yobukho bamaqela e-ethyl nonpolar kwisakhiwo sayo se-molecular. Nangona kunjalo, i-hydrophobicity yayo inokuguqulwa ngokuguqula iqondo lokutshintshwa okanye ukongeza amaqela e-hydrophilic kwisakhiwo sepolymer. Ngaphandle kweempawu zayo ze-hydrophobic, i-ethyl cellulose iseyinto eluncedo kwizicelo ezahlukeneyo, ngakumbi kwishishini lamayeza.