Hydroxy Ethyl Cellulose (HEC) tau lees paub dav dav rau nws qhov tshwj xeeb dej dispersibility hauv cov xim txheej. Nrog rau ntau daim ntawv thov thoob plaws ntau yam kev lag luam, HEC tau tshwm sim los ua ib qho tseem ceeb ntxiv hauv cov xim pleev xim, vim nws cov khoom tshwj xeeb thiab cov txiaj ntsig.
HEC yog cov dej-soluble polymer muab tau los ntawm cellulose, ib tug natural polysaccharide pom nyob rau hauv lub cell phab ntsa ntawm cov nroj tsuag. Los ntawm cov txheej txheem tshuaj lom neeg, cellulose tau hloov kho los tsim HEC, uas nthuav tawm cov dej dispersibility zoo heev. Cov cwj pwm no yog qhov tseem ceeb tshwj xeeb hauv cov xim pleev xim uas qhov sib txawv ntawm cov khoom siv ntxiv yog qhov tseem ceeb rau kev ua tiav cov yam ntxwv xav tau.
Hauv cov xim pleev xim, HEC ua haujlwm ntau yam tseem ceeb. Ib qho ntawm nws lub luag haujlwm tseem ceeb yog ua tus neeg sawv cev thickening. Los ntawm kev ntxiv HEC rau cov xim pleev xim, cov neeg tsim khoom tuaj yeem tswj cov viscosity ntawm cov xim, ua kom zoo txaus thiab cov khoom siv. Qhov no yog ib qho tseem ceeb heev rau kev ua tiav cov kev pab cuam zoo ib yam thiab qhov chaw tiav thaum lub sijhawm ua haujlwm pleev xim.
HEC ua tus stabilizer hauv cov xim pleev xim. Nws pab tiv thaiv kev daws teeb meem ntawm cov xim thiab lwm yam khoom siv, kom ntseeg tau tias muaj qhov sib txawv ntawm cov xim. Qhov kev ruaj ntseg no yog qhov tseem ceeb rau kev tswj xyuas kev ncaj ncees ntawm cov xim thiab zam cov teeb meem xws li kev sib cais xim lossis txheej tsis sib xws.
Cov dej dispersibility ntawm HEC kuj tseem ua rau nws cov txiaj ntsig zoo li kev hloov kho rheology. Rheology yog hais txog tus cwj pwm ntws ntawm cov khoom, thiab nyob rau hauv cov ntaub ntawv ntawm cov xim, nws cuam tshuam cov yam xws li txhuam, spatter resistance, thiab leveling. HEC tuaj yeem tsim kho kom ua tiav cov khoom siv rheological tshwj xeeb, tso cai rau cov neeg tsim khoom pleev xim los kho lawv cov qauv kom tau raws li qhov yuav tsum tau ua ntawm cov ntawv thov sib txawv.
HEC muab cov yeeb yaj kiab zoo tshaj plaws rau cov xim pleev xim. Thaum siv rau ntawm qhov chaw, HEC molecules pab tsim cov yeeb yaj kiab txuas ntxiv uas ua raws li qhov zoo thiab muab kev ruaj khov thiab kev tiv thaiv. Lub peev xwm ua yeeb yaj kiab no txhim kho kev ua haujlwm ntawm cov xim txheej, ua rau nws tiv taus hnav, huab cua, thiab lwm yam ib puag ncig.
Cov txiaj ntsig ntawm kev siv HEC hauv cov xim pleev xim txuas ntxiv tshaj qhov kev ua tau zoo. Los ntawm txoj kev pom zoo, HEC yog ib qho yooj yim los lis thiab muab tso rau hauv cov xim pleev xim. Nws cov dej-soluble xwm ua kom yooj yim dispersion thiab sib tov, txo cov sijhawm ua haujlwm thiab siv zog. Tsis tas li ntawd, HEC yog sib xws nrog ntau yam ntawm lwm yam additives uas feem ntau siv nyob rau hauv cov xim formulations, ua rau nws muaj ntau yam thiab hloov mus rau ntau yam kev xav tau.
Kev txiav txim siab ib puag ncig kuj nyiam siv HEC hauv cov xim pleev xim. Raws li cov khoom siv rov ua dua tshiab thiab biodegradable tau los ntawm cellulose, HEC muaj lwm txoj hauv kev rau cov khoom siv hluavtaws thiab cov stabilizers. Los ntawm kev xaiv rau HEC-raws li cov qauv, cov tuam txhab pleev xim tuaj yeem txo lawv cov hneev taw ib puag ncig thiab ua tau raws li qhov kev thov loj hlob rau cov khoom siv hauv eco.
HEC qhov tshwj xeeb dej dispersibility ua rau nws muaj txiaj ntsig zoo hauv cov xim pleev xim. Nws muaj peev xwm ua kom tuab, ruaj khov, thiab hloov kho rheology ntawm cov xim pleev xim ua rau kev txhim kho kev ua tau zoo thiab cov khoom siv. Tsis tas li ntawd, HEC muaj cov tswv yim zoo thiab ib puag ncig zoo, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov neeg tsim khoom pleev xim nrhiav los txhim kho qhov zoo thiab kev ruaj khov ntawm lawv cov khoom.
Post lub sij hawm: May-09-2024