Dab tsi yog kev siv ntawm hydroxyethyl cellulose hauv cov xim tha xim?

Hydroxyethylulose (HEC) yog cov dej tsis-ionic-soluble polymer compound dav siv nyob rau hauv cov xim pleev xim thiab pleev xim.

1. Thickening nyhuv
HEC yog cov tuab tuab uas tuaj yeem ua kom cov viscosity thiab rhelology ntawm cov xim. Qhov no pab txhim kho qhov ruaj khov ntawm cov xim thaum khaws cia thaum lub sijhawm cia thiab siv thiab tiv thaiv kev daws cov pigments thiab fillers. Thaum lub sij hawm tsim kho, HEC muab cov xim ua kom zoo leveling thiab txhuam cov khoom kom ntseeg tau tias muaj kev sib haum thiab du.

2. Tiv thaiv Sagging
Vim nws cov khoom siv thickening, HEC tuaj yeem txo cov xim pleev xim rau ntawm qhov chaw ntsug, tso cai rau cov xim kom tusyees thiab ua yeeb yaj kiab du tom qab thov.

3. Txhim kho kev cia khoom ruaj khov ntawm cov txheej txheem txheej txheem
HEC muaj kev cuam tshuam tseem ceeb ntawm kev tso cai tso cai ntawm cov xim tha xim. Nws tiv thaiv tswm thiab clumping ntawm cov xim pigments thiab fillers, kom ntseeg tau cov xim pleev xim kom ua tau zoo tom qab lub sij hawm ntev cia.

4. Txhim khu cov dej tuav tseg ntawm cov txheej txheem
HEC muaj lub zog retentive muaj zog thiab yog tshwj xeeb tshaj nyob rau hauv cov dej pleev dej. Nws tuaj yeem tiv thaiv dej los ntawm kev nqus tau sai heev, txhim kho cov kev tsim kho kev tsim kho, txuas lub sijhawm uas qhib cov xim, thiab pab kho kev hloov kho.

5. Txhim kho cov rheology ntawm cov txheej txheem
HEC can give paint the characteristics of non-Newtonian fluids, that is, the viscosity decreases under the action of shear force, making it easier to brush, roll or spray; Thaum nyob rau hauv lub xeev zoo li qub, lub viscosity recovers, txhim kho cov tuab thiab kev sib txawv ntawm cov txheej. Cov cuab yeej rheological ua rau cov xim yooj yim dua los daws cov ntawv thov thiab txhim kho zaj duab xis thiab txhim kho zaj duab xis zoo.

6. Txhim kho txaws tsis kam
Nyob rau hauv txheej kev siv daim ntawv thov, tshwj xeeb yog thaum dov lossis txhuam hniav, hec muaj peev xwm txo qis kev sib txig, ua kom cov txheej txheem kev tsim kho thiab txo cov khoom siv ntxuav khoom.

7. Txhim Kho Xim Xim
Hec pab cov pigments kom muaj cally dispersed nyob rau hauv cov khoom siv los ntawm cov khoom siv thiab nag lossis daus ntawm cov xim sib dhos thiab cov kev pab them nqi ntawm txheej yeeb yaj kiab.

8. Ib puag ncig ua phooj ywg
HEC yog cov khoom siv biodegradable uas tsis muaj tshuaj lom thiab muaj npe tshwj xeeb hauv ib puag ncig cov txheej txheem ua phooj ywg. Nws yog dav siv nyob rau hauv ib puag ncig cov khoom lag luam ib puag ncig xws li cov dej txheej txheem dej thiab cov khoom siv hluav taws xob tsawg, hauv txoj kab nrog cov qauv tshiab ntawm kev lag luam ntsuab niaj hnub.

9. Cov ntawv thov tshwj xeeb hauv cov txheej txheem sib txawv
Sab hauv Lasx Xim: HEC tau siv los txhim kho qhov smoothness thiab txhuam tiv thaiv cov xim yeeb yaj kiab thaum txo cov xim thiab yob cim.
Sab nrauv phab ntsa txheej: Txhim kho cov sag tiv thaiv thiab dej khaws cia ntawm txheej los xyuas kom muaj kev ua haujlwm hauv ib puag ncig sab nraum zoov.
Muaj cov txheej txheem txheej txheem: txhim kho cov khoom tsim kho thiab theem ntawm cov txheej txheem, ua cov txheej xim ntau thiab tsis txaus ntseeg.

Raws li kev ua haujlwm tseem ceeb ntxiv, hydroxyethyl cellulose plays lub luag haujlwm tseem ceeb hauv cov xim tsev thiab pleev xim. Nws tsis yog txhim kho kev tsim kho kev ua tau zoo thiab zaj duab xis-ua zoo ntawm cov xim, tab sis kuj tseem txuas tau cov xim tseem ceeb thiab cov kev pab nyiaj txiag rau kev tsim khoom thiab cov xim pleev xim.