Hydroxypropylmethylcellulose (HPMC) thiab carboxymethylcellulose (CMC) yog ob hom polymers sib txawv siv rau hauv cov tshuaj pleev qhov muag, feem ntau siv los txo cov tsos mob ntawm qhov muag qhuav. Txawm hais tias lawv muaj qee qhov zoo sib xws, ob lub tshuaj no muaj qhov sib txawv meej hauv lawv cov qauv tshuaj, cov khoom, cov txheej txheem ua haujlwm, thiab kev siv hauv kev kho mob.
Hydroxypropyl methylcellulose (HPMC) tshuaj qhov muag:
1. Cov qauv tshuaj lom neeg:
HPMC yog ib qho khoom siv hluavtaws ntawm cellulose, ib qho polymer ntuj pom muaj nyob rau hauv cov phab ntsa cell ntawm cov nroj tsuag.
Cov pab pawg Hydroxypropyl thiab methyl raug qhia rau hauv cov qauv cellulose, muab cov khoom tshwj xeeb ntawm HPMC.
2. Viscosity thiab rheology:
Cov tshuaj zawv qhov muag HPMC feem ntau muaj viscosity siab dua li ntau lwm cov tshuaj zawv qhov muag uas muaj roj nplua nyeem.
Qhov viscosity ntxiv ua rau cov tee dej nyob twj ywm rau ntawm qhov muag ntev dua, ua rau nws zoo siab ntev.
3. Lub tshuab ua haujlwm:
HPMC tsim ib txheej tiv thaiv thiab lubricating rau ntawm qhov muag, txo qhov kev sib txhuam thiab txhim kho kev ruaj khov ntawm cov zaj duab xis kua muag.
Nws pab txo cov tsos mob ntawm qhov muag qhuav los ntawm kev tiv thaiv kom cov kua muag tsis txhob evaporate ntau dhau.
4. Daim ntawv thov kev kho mob:
Cov tshuaj qhov muag HPMC feem ntau siv los kho qhov muag qhuav.
Lawv kuj siv rau hauv kev phais qhov muag thiab kev phais kom tswj tau qhov dej ntawm lub qhov muag.
5. Cov txiaj ntsig:
Vim yog qhov viscosity siab dua, nws tuaj yeem ntev lub sijhawm nyob ntawm qhov chaw ntawm lub qhov muag.
Ua kom cov tsos mob ntawm qhov muag qhuav zoo dua thiab ua rau xis nyob.
6. Qhov Tsis Zoo:
Qee tus neeg yuav pom kev tsis meej tam sim ntawd tom qab txhaj tshuaj vim muaj viscosity ntau ntxiv.
Cov tshuaj Carboxymethylcellulose (CMC) rau qhov muag:
1. Cov qauv tshuaj lom neeg:
CMC yog lwm cov cellulose derivative hloov kho nrog carboxymethyl pawg.
Qhov kev qhia txog carboxymethyl pawg ua rau kom cov dej yaj tau zoo dua, ua rau CMC ua cov polymer uas yaj tau hauv dej.
2. Viscosity thiab rheology:
Feem ntau, cov tshuaj qhov muag CMC muaj viscosity qis dua piv rau cov tshuaj qhov muag HPMC.
Qhov viscosity qis dua ua rau yooj yim dua rau kev nkag mus thiab nthuav dav sai sai rau ntawm qhov muag.
3. Lub tshuab ua haujlwm:
CMC ua haujlwm ua lubricant thiab humectant, txhim kho kev ruaj khov ntawm cov kua muag.
Nws pab txo cov tsos mob ntawm qhov muag qhuav los ntawm kev txhawb kom muaj dej noo rau ntawm qhov muag.
4. Daim ntawv thov kev kho mob:
Cov tshuaj qhov muag CMC siv dav los txo cov tsos mob ntawm qhov muag qhuav.
Feem ntau lawv raug pom zoo rau cov neeg uas muaj qhov muag qhuav me me mus rau nruab nrab.
5. Cov txiaj ntsig:
Vim nws cov viscosity qis, nws kis tau sai thiab yooj yim rau drip.
Ua kom cov tsos mob ntawm qhov muag qhuav zoo thiab sai sai.
6. Qhov Tsis Zoo:
Tej zaum yuav xav tau kev siv tshuaj ntau zaus dua piv rau cov qauv viscosity siab dua.
Qee cov tshuaj yuav muaj lub sijhawm luv dua ntawm kev ua haujlwm ntawm qhov muag.
Kev tshuaj xyuas sib piv:
1. Qhov nplaum:
HPMC muaj viscosity siab dua, muab kev pab cuam ntev dua thiab kev tiv thaiv ntev dua.
CMC muaj qhov viscosity qis dua, ua rau nws kis tau sai dua thiab yooj yim dua rau kev txhaj tshuaj.
2. Lub sijhawm ua haujlwm:
HPMC feem ntau muab lub sijhawm ntev dua ntawm kev ua haujlwm vim nws cov viscosity siab dua.
CMC yuav xav tau kev noj tshuaj ntau zaus, tshwj xeeb tshaj yog thaum muaj qhov muag qhuav heev.
3. Kev nplij siab ntawm tus neeg mob:
Qee tus neeg yuav pom tias HPMC qhov muag tee thaum xub thawj ua rau pom kev tsis meej ib ntus vim lawv cov viscosity siab dua.
Cov tshuaj zawv qhov muag CMC feem ntau raug zam zoo thiab ua rau tsis pom kev zoo thaum xub thawj.
4. Cov lus qhia kho mob:
HPMC feem ntau pom zoo rau cov neeg uas muaj qhov muag qhuav nruab nrab mus rau hnyav.
CMC feem ntau yog siv rau qhov muag qhuav me me mus rau nruab nrab thiab rau cov neeg uas nyiam cov mis mos tsawg dua.
Cov tshuaj qhov muag Hydroxypropylmethylcellulose (HPMC) thiab carboxymethylcellulose (CMC) yog ob qho kev xaiv zoo rau kev kho cov tsos mob ntawm qhov muag qhuav. Kev xaiv ntawm ob qho no nyob ntawm tus neeg mob tus kheej nyiam, qhov hnyav ntawm qhov muag qhuav, thiab lub sijhawm ua haujlwm xav tau. HPMC qhov viscosity siab dua muab kev tiv thaiv ntev dua, thaum CMC qhov viscosity qis dua muab kev pab sai thiab tej zaum yuav yog thawj qhov kev xaiv rau cov neeg uas muaj kev cuam tshuam rau qhov muag tsis meej. Cov kws kho qhov muag thiab cov kws kho qhov muag feem ntau xav txog cov yam no thaum xaiv cov tshuaj qhov muag roj nplua nyeem zoo tshaj plaws rau lawv cov neeg mob, tsim los ua kom zoo dua qhov xis nyob thiab txo cov tsos mob ntawm qhov muag qhuav.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-25-2023