Muab Ethyl Hydroxyethyl Cellulose
Ethyl hydroxyethyl cellulose (EHEC) yog hloov kho cellulose derivative uas ua ke cov khoom ntawm ethyl cellulose (EC) thiab hydroxyethyl cellulose (HEC). Nws yog feem ntau siv los ua cov thickening, khi, thiab cov neeg ua yeeb yaj kiab hauv ntau qhov kev lag luam, suav nrog cov tshuaj, tshuaj pleev ib ce, khoom tu tus kheej, thiab txheej txheej.
EHEC feem ntau yog tsim los ntawm reacting ethyl chloride nrog hydroxyethyl cellulose nyob rau hauv kev tswj xyuas. Qhov kev hloov kho tshuaj no qhia txog cov pab pawg ethyl mus rau cov pob txha hydroxyethyl cellulose, uas ua rau cov khoom lag luam nrog txhim kho solubility, viscosity, thiab zaj duab xis-tsim cov khoom piv rau unmodified cellulose derivatives.
Cov khoom tseem ceeb thiab cov yam ntxwv ntawm ethyl hydroxyethyl cellulose (EHEC) muaj xws li:
- Thickening Agent: EHEC ua raws li tus neeg sawv cev thickening zoo hauv cov tshuaj aqueous, ua kom viscosity thiab txhim kho cov khoom rheological ntawm formulations.
- Binder: EHEC yog siv los ua ib daim ntawv khi rau hauv cov ntaub ntawv ntau npaum li cov ntsiav tshuaj thiab granules hauv cov tshuaj formulations. Nws pab txhim kho cov cohesion thiab compressibility ntawm cov hmoov, ua kom yooj yim tsim cov ntsiav tshuaj nrog cov ntsiab lus ntawm cov tshuaj sib xws thiab cov khoom tawg.
- Zaj duab xis qub: EHEC tuaj yeem tsim cov yeeb yaj kiab hloov tau yooj yim thiab ruaj khov thaum siv rau qhov chaw. Cov cuab yeej no ua rau nws muaj txiaj ntsig zoo hauv cov xim, xim, cov nplaum, thiab cov khoom tu tus kheej uas xav tau kev tiv thaiv lossis cov yeeb yaj kiab zoo nkauj.
- Dej Solubility: EHEC nthuav tawm cov dej solubility zoo dua piv rau ethyl cellulose, tso cai rau kom yooj yim dispersion thiab koom ua ke rau hauv aqueous formulations.
- Compatibility: EHEC yog sib xws nrog ntau yam ntawm lwm cov khoom xyaw uas feem ntau siv nyob rau hauv tshuaj, tshuaj pleev ib ce, thiab coatings, nrog rau lwm yam polymers, plasticizers, surfactants, thiab active cov khoom xyaw.
- Kev ruaj ntseg: EHEC yog ruaj khov nyob rau hauv ntau yam ntawm pH tej yam kev mob thiab qhov kub thiab txias, ua rau nws haum rau siv nyob rau hauv ntau yam formulations nrog txawv kev ua yuav tsum tau.
- Versatility: EHEC pom cov ntawv thov nyob rau hauv ntau yam khoom, suav nrog cov tshuaj ntsiav tshuaj, tshuaj pleev ib ce, tshuaj pleev ib ce, txheej, nplaum, thiab cov khoom tu tus kheej, vim nws muaj ntau yam khoom thiab sib haum nrog lwm cov khoom xyaw.
Zuag qhia tag nrho, ethyl hydroxyethyl cellulose (EHEC) yog ib qho tseem ceeb ntawm cellulose derivative nrog ntau yam kev siv thoob plaws kev lag luam sib txawv, muab kev txhim kho solubility, viscosity, thiab zaj duab xis-tsim zog piv rau unmodified cellulose derivatives.
Post lub sij hawm: Feb-25-2024