Abantu abaninzi abakwazi ukubona umahluko phakathi kwe-hydroxyethyl cellulose kunye ne-ethyl cellulose. I-hydroxyethyl cellulose kunye ne-ethyl cellulose zizinto ezimbini ezahlukeneyo. Zineempawu ezilandelayo.
1 I-Hydroxyethyl cellulose:
Njenge-surfactant engeyiyo i-ionic, ukongeza ekuqineni, ekuxhomeni, ekubopheni, ekuflotheni, ekwenzeni ifilimu, ekuchitheni, ekugcineni amanzi nasekuboneleleni ngee-colloids ezikhuselayo, ikwanazo ezi mpawu zilandelayo:
1. I-HEC iyanyibilika emanzini ashushu okanye abandayo, kwaye ayitshisi xa ishushu kakhulu okanye ibila, nto leyo eyenza ukuba ibe neempawu ezahlukeneyo zokunyibilika kunye ne-viscosity, kunye ne-gelation engashushu;
2. Ayisiyo ionic kwaye ingahlala kunye nezinye iipolymers ezinyibilikayo emanzini, ii-surfactants kunye neetyuwa, kwaye sisixhobo esihle kakhulu sokuqinisa i-colloidal esinezisombululo ze-electrolyte ezixineneyo kakhulu;
3. Umthamo wokugcina amanzi uphindwe kabini kunowe-methyl cellulose, kwaye unolawulo olungcono lokuhamba kwamanzi.
4. Xa kuthelekiswa ne-methyl cellulose eyaziwayo kunye ne-hydroxypropyl methyl cellulose, amandla okusasaza e-HEC ngawona mabi kakhulu, kodwa i-colloid ekhuselayo inamandla amakhulu.
2 I-ethyl cellulose
Yi-non-ionic cellulose ether enganyibilikiyo emanzini kodwa enyibilikayo kwi-organic solvents. Ineempawu ezilandelayo:
1. Akulula ukuyitshisa.
2. Uzinzo oluhle lobushushu kunye ne-thermoplasticity egqwesileyo.
3. Akukho mbala utshintshayo elangeni.
4. Ukuguquguquka okuhle.
5. Iimpawu ezilungileyo ze-dielectric.
6. Inokumelana okuhle kakhulu ne-alkali kunye nokumelana ne-asidi ebuthathaka.
7. Ukusebenza kakuhle kokulwa nokwaluphala.
8. Ukumelana kakuhle netyuwa, ukubanda kunye nokufunxwa komswakama.
9. Ihlala ixesha elide ngaphandle kokubola, izinzile kwiikhemikhali.
10. Iyahambelana neeresini ezininzi kwaye iyahambelana kakuhle nazo zonke iiplastiki.
11. Kulula ukutshintsha umbala phantsi kweemeko ezinamandla ze-alkaline kunye nobushushu.
Ixesha lokuthumela: Novemba-15-2022