Dab tsi yog qhov txawv ntawm hydroxypropal methyloos thiab adulterated compound cellulose?
HuvHydroxyPropyyl Methylcellulose (HPMC)Thiab Adulterated compound cellulose muaj qhov sib txawv tseem ceeb hauv cov khoom, kev ua tau zoo thiab cov chaw thov.
1. Tshuaj Txhuam Cov Qauv thiab Muaj pes tsawg leeg
Ntshiab HydroxyPropyl methylcellose (HPMC): HydroxyPropylulose yog dej-soluble polymer compound ua los ntawm kev kho mob cellulose ntuj. Nws cov qauv tseem ceeb yog tias qee pab pawg hydroxyl (Oh) yog hloov los ntawm methyl (-och3) thiab hydroxypropyl (-c3h7gen atoms ntawm lub cellulose saw. Tshwj xeeb, kev qhia txog methyl thiab hydroxypropylropyl hloov cov solubility, ua rau nws muaj ntau soluble, tuab thiab stabilizer thiab tawv.
Adulterated Cellulose cellulose: Adulterated Cellulose cellulose feem ntau yog ua los ntawm kev sib xyaw HPMC nrog lwm hom cellulose los yog tshuaj quav rau qee yam. Cov tshuaj ntxiv no suav nrog qee tus nqi tsawg, pluag celluloses lossis txawm tias tsis muaj qee yam tshuaj lom neeg, tshwj xeeb yog nyob rau hauv solubility, ruaj khov thiab ua haujlwm.
2. Solubility thiab Dej Solubility
Ntshiab HPMC: Ntshiab HPMC muaj cov dej solubility zoo heev thiab tuaj yeem tsim cov tshuaj ntshiab hauv dej txias. Lub solubility thiab viscosity ntawm HPMC sib txawv raws li kev kawm methylation thiab hydroxyprodation. Feem ntau, ntshiab HPMC muaj cov solubility siab thiab ruaj khov, tshwj xeeb hauv cov dej solubility thiab thermal stability.
Adulterated Cellulose Cellulose: Adulterated Cellulose Cellulose tau muaj cov khoom xyaw tsis zoo, thiab tej zaum kuj yuav tsis yaj hauv dej los yog ua cov kua Turbid. Qhov kev hloov pauv no tsis cuam tshuam nws cov nyhuv hauv cov ntawv thov sib txawv, tab sis kuj tseem tuaj yeem nqa cov khoom tsis sib xws, ua rau siv cov teebmeem tsis ruaj khov.
3. Kev ua haujlwm thiab ruaj khov
Ntshiab HPMC: Ntshiab HPMC muaj cov tshuaj ruaj khov thiab zoo hloov kho kom hloov pauv hauv ib puag ncig hluav taws xob xws li PH, ntsev siab, thiab kub. Nws cov ruaj khov ua rau HPMC dav siv hauv cov tshuaj, cov tshuaj pleev zaub mov, tshuaj lom neeg thiab lwm yam kev lag luam ua ib qho tuab, cov nplaum, cov nplaum-tso tawm, thiab lwm yam.
Adulterated Cellulose cellulose: Adulterated Cellulose cellulose muaj qhov ruaj khov, Ph thiab ionic lub zog hloov, nws yuav ua rau lossis tsis zoo. Qhov no muaj peev xwm ua teeb meem zoo hauv cov khoom siv sib xyaw thiab cuam tshuam rau kev ntseeg tau ntawm cov khoom kawg. Piv txwv li, hauv kev lag luam kev ua yeeb yam, kev ua aduterated cellulose cellulose yuav ua rau kev siv yeeb tshuaj tsis sib xws thiab cuam tshuam rau kev kho cov nyhuv siv.
4. Lub zog lub cev
Ntshiab HPMC: Ntshiab HPMC: Ntshiab HPMC feem ntau muaj zoo viscosity ntawm kev daws teeb meem, thiab tau siv dav hauv kev lag luam uas yuav tsum tau hloov kho rheology. Nws tseem muaj zaj yeeb yaj kiab zoo, tuaj yeem ua cov yeeb yaj kiab tawv, thiab muaj cov dej tsis kam thiab cov solubility tsis kam.
Adulterated Cellulose Cellulose: Adulterated Cellulose Cellulose kuj tsis ruaj khov hauv cov yam ntxwv lub cev. Vim qhov ntxiv ntawm cov khoom xyaw tsis zoo, adulterated cellulose yuav ua tau zoo hauv zaj duab xis hauv zaj duab xis hauv zaj duab xis, thiab tej zaum, thiab tej zaum yuav ua tsis tiav cov txiaj ntsig kev xav tau hauv qee cov ntawv thov. Qhov kev sib ntxiv ntawm celluleated cellulose yuav ua rau rau cov khoom tsis zoo ntawm cov khoom kawg, cuam tshuam nws lub neej kev pabcuam thiab ua haujlwm.
5. Daim Ntawv Thov
NTSIA HPMC: Daim ntawv thov teb HPMC yog dav heev, npog ntau yam kev lag luam xws li cov tshuaj, khoom noj, pleev zaub mov, thiab kev tsim kho. Nyob rau hauv kev lag luam kws tshuaj, feem ntau nws siv los ua tus neeg saib xyuas kom tso tawm rau cov tshuaj, muaj kev zam rau cov tshuaj ntsiav rau cov tshuaj pleev ib yam thiab cov ntsiav tshuaj; Nyob rau hauv cov zaub mov, HPMC yog siv los ua cov tuab dua, emulsifier thiab stabilizer; Hauv kev tsim kho kev tsim kho, HPMC yog siv los ua cov tuab thiab dej-khaws cov neeg sawv cev rau tshuaj cug; Hauv cov tshuaj pleev ib ce, nws yog siv nyob rau hauv cov khoom xws li cream, gels thiab tshuaj zawv plaub hau.
Adulterated Cellulose cellulose: Daim ntawv thov ntau ntawm cov tub ntxhais deev cellulose cellulose yog txwv vim nws qhov kev ua tau tsis ruaj khov. Nws yog feem ntau yog siv nyob rau hauv cov cheeb tsam uas yuav tsum muaj cov kev xav tau qis, xws li cov khoom siv them nqi qis dua, cov ntaub ntawv tsim khoom. Tus nqi qis ntawm cov ntawv thov cellulose ua rau nws siv hauv qee cov ntawv thov luv luv, tab sis vim nws cov nyhuv tsis txaus, cov nyhuv ntev yuav tsis zoo.
6. Tus nqi thiab kev lag luam
Ntshiab HPMC: Cov nqi tsim tawm ntawm cov ntshiab HPMC yog qhov tseem ceeb, feem ntau yog vim nws cov txheej txheem kev nruj me nyuam. Txawm li cas los xij, vim nws cov kev ua tau zoo tshaj thiab dav daim ntawv thov, kev siv HPMC tuaj yeem nqa cov nqi ntxiv hauv qee qhov kev lag luam siab kawg.
Adulterated Compound Cellulose: Adulterated Cellulose Cellulose feem ntau yuav txo cov nqi los ntawm kev ntxiv tus nqi pheej yig, yog li cov nqi tsim khoom yog tsawg. Qhov no ua rau kev ua yeeb yam cellulose muaj qee cov kev ua lag luam hauv cov teeb meem qis, nws yuav ua rau poob qis hauv cov khoom lag luam zoo thiab ua lag luam lub koob npe.
7. Kev tiv thaiv ib puag ncig
Ntshiab HPMC: raws li hloov kho cellulose los ntawm lub qhov chaw ntuj, ntshiab HPMC muaj qee qhov zoo hauv kev tiv thaiv ib puag ncig. Nws yog biodegradable thiab tsis muaj kuab paug rau ib puag ncig, uas ua tau raws li qhov yuav tsum tau ua tam sim no.
Adulterated Cellulose Cellulose: Adulterated Cellulose Cellulose Tej zaum yuav muaj qee qhov tsis zoo ntawm ib puag ncig vim tias nws yuav muaj qee cov khoom siv tsis yog tshuaj lom neeg. Tshwj xeeb tshaj yog thaum lub sijhawm ua kev ua tiav, cov khoom ua yeeb yam muaj qhov tsis zoo thiab yuav ua rau muaj kuab paug rau cov av thiab dej.
Muaj ntau qhov sib txawv ntawm cov ntshiabHydroxyPropyyl MethylcelluloseThiab Adulterated compound cellulose hauv ntau yam, tshwj xeeb hauv cov qauv tshuaj, solubility, kev ruaj khov, cov khoom siv lub cev thiab daim ntawv thov. Ntshiab HPMC muaj kev ua haujlwm siab dua thiab ruaj khov, yog li nws yog haum rau kev lag luam nrog cov khoom lag luam zoo tshaj plaws; Thaum adulterated compound cellulose tau nqi txiaj ntsig zoo, nws qhov kev ua tau zoo thiab tsis txaus ntseeg nws daim ntawv thov nyob rau hauv kev ua lag luam siab. Xaiv hom cellulose twg los siv uas muaj kev sib raug zoo ntawm kev ua tau zoo thiab raug nqi raws li cov kev xav tau thiab kev thov sau npe.
Lub Sijhawm Post: Feb-19-2025