I-Hydroxyethyl cellulose kanye ne-ethyl cellulose

I-Hydroxyethyl cellulose kanye ne-ethyl cellulose yizinto ezimbili ezihlukene. Zinezici ezilandelayo.

I-Hydroxyethyl cellulose

Njenge-surfactant engeyona i-ionic, ngaphezu kokuqina, ukumiswa, ukubopha, ukuntanta, ukwakha ifilimu, ukusabalalisa, ukugcina amanzi kanye nokunikeza ama-colloid avikelayo, inezakhiwo ezilandelayo:

1. I-HEC iyancibilika emanzini ashisayo noma abandayo, futhi ayivuthi lapho izinga lokushisa eliphezulu noma libila, ukuze ibe nezici eziningi zokuncibilika kanye nokuthamba, kanye ne-gelation engashisi;

2. I-non-ionic ngokwayo ingahlala ndawonye nezinye izinhlobo eziningi zama-polymer ancibilikayo emanzini, ama-surfactants kanye nosawoti, futhi iyisithako esihle kakhulu se-colloidal esiqukethe izixazululo ze-electrolyte ezigxile kakhulu;

3. Umthamo wokugcina amanzi uphakeme kabili kunowe-methyl cellulose, futhi unokulawulwa okungcono kokugeleza kwamanzi;

4. Uma kuqhathaniswa ne-methyl cellulose eyaziwayo kanye ne-hydroxypropyl methyl cellulose, ikhono lokuhlakaza le-HEC libi kakhulu, kodwa i-colloid evikelayo inekhono eliqine kakhulu.

I-ethyl cellulose

Kuyi-non-ionic cellulose ether engancibiliki emanzini kodwa encibilika ezinyibilikisini eziphilayo. Inezici ezilandelayo:

1. Akulula ukusha.

2. Ukuqina okuhle kokushisa kanye ne-thermoplasticity enhle kakhulu.

3. Akukho ukushintsha kombala elangeni.

4. Ukuguquguquka okuhle.

5. Izakhiwo ezinhle ze-dielectric.

6. Inokumelana okuhle kakhulu kwe-alkali kanye nokumelana ne-asidi ebuthakathaka.

7. Ukusebenza okuhle kokulwa nokuguga.

8. Ukumelana okuhle nosawoti, ukubanda kanye nokumuncwa komswakama.

9. Ihlala isikhathi eside ingagugi kumakhemikhali, ingagcinwa isikhathi eside ngaphandle kokuwohloka.

10. Iyahambisana nama-resin amaningi futhi ihambisana kahle nawo wonke ama-plasticizer.

11. Kulula ukushintsha umbala ngaphansi kwesimo sezulu esinamandla se-alkaline kanye nezimo zokushisa.