Hydroxypropyl methylcellulose (HPMC) yog ib qho khoom siv polymer uas siv ntau yam hauv kev lag luam, suav nrog kev lag luam tshuaj, zaub mov thiab kev tu tus kheej. Hauv cov tshuaj txhuam hniav, HPMCs pab ntau yam haujlwm tseem ceeb uas pab txhim kho tag nrho cov kev ua tau zoo, kev ruaj ntseg, thiab cov neeg siv kev paub ntawm cov khoom. .
1. Cov qauv tshuaj thiab cov khoom ntawm hydroxypropyl methylcellulose
HPMC yog ib tug semi-synthetic dej-soluble polymer muab tau los ntawm cellulose. Cellulose yog Ameslikas muab rho tawm los ntawm cov ntaub ntoo los yog paj rwb thiab tom qab ntawd hloov kho tshuaj los txhim kho nws cov khoom. Thaum lub sijhawm hloov kho, pawg hydroxypropyl thiab methyl tau nkag mus rau hauv cov pob txha cellulose.
Cov txiaj ntsig polymer muaj cov khoom tshwj xeeb uas ua rau nws zoo tagnrho rau ntau yam kev siv. Nws yog soluble nyob rau hauv dej txias thiab kub, tsim ib tug ntshiab thiab viscous tov, thiab muaj zoo film-forming zog.
2. Lub luag haujlwm ntawm hydroxypropyl methylcellulose hauv tshuaj txhuam hniav:
ib. viscosity thiab rheology tswj:
Ib qho ntawm cov haujlwm tseem ceeb ntawm HPMC hauv cov tshuaj txhuam hniav yog tswj cov viscosity thiab rheology. Viscosity yog hais txog lub thickness ntawm cov kua los yog tsis kam mus ntws, thiab rheology koom nrog txoj kev tshawb fawb ntawm cov tshuaj deform thiab ntws. HPMC muab cov tshuaj txhuam hniav zoo sib xws, tiv thaiv kom tsis txhob nyias dhau thaum ua kom nws yooj yim nyem tawm ntawm lub raj. Qhov no pab tswj cov tshuaj txhuam hniav zoo li qub thiab sib xws thaum khaws cia thiab siv.
b. Binder:
HPMC ua raws li kev khi thiab pab khi ntau yam khoom xyaw ntawm cov tshuaj txhuam hniav ua ke. Qhov no yog qhov tseem ceeb los tswj cov khoom homogeneity, tiv thaiv kev sib cais theem thiab xyuas kom meej tias cov tshuaj txhuam hniav tseem zoo sib xyaw thoob plaws hauv nws lub txee lub neej.
C. Moisturizing zog:
Vim nws qhov xwm txheej hydrophilic, HPMC muaj peev xwm khaws cov dej noo. Hauv cov tshuaj txhuam hniav, cov cuab yeej no yog qhov tseem ceeb hauv kev tiv thaiv cov khoom los ntawm kev ziab tawm thiab tswj nws qhov kev ntxhib los mos thiab kev ua tau zoo dhau sijhawm. Tsis tas li ntawd, cov khoom moisturizing pab txhawb rau kev siv tshuaj txhuam hniav smoother.
d. Zaj duab xis tsim:
HPMC tsim ib zaj duab xis nyias, hloov tau yooj yim ntawm cov hniav tom qab thov. Cov yeeb yaj kiab ua haujlwm rau ntau lub hom phiaj, suav nrog kev txhim kho cov tshuaj txhuam hniav kom adhesion rau cov hniav thiab muab kev tiv thaiv kev tiv thaiv. Cov yeeb yaj kiab no pab tiv thaiv cov kab mob los ntawm kev sib txuas, txo qhov rhiab heev, thiab pab txhawb kev ntxuav tag nrho thiab tiv thaiv cov tshuaj txhuam hniav.
e. Stability ntawm active cov khoom xyaw:
Cov tshuaj txhuam hniav feem ntau muaj cov khoom xyaw nquag xws li fluoride, tshuaj tua kab mob, thiab cov tshuaj desensitizing. HPMC pab txhim kho cov khoom xyaw no, tiv thaiv lawv qhov kev puas tsuaj thiab ua kom lawv cov txiaj ntsig tau ntev. Qhov no yog qhov tseem ceeb rau kev xa cov txiaj ntsig kev noj qab haus huv ntawm qhov ncauj rau tus neeg siv.
3. Qhov zoo ntawm hydroxypropyl methylcellulose hauv tshuaj txhuam hniav:
ib. Txhim kho cov neeg siv kev paub:
Kev siv HPMC pab cov tshuaj txhuam hniav kom du, creamy zoo nkauj, yog li txhim kho tag nrho cov neeg siv kev paub. Kev tswj cov viscosity tso cai rau yooj yim dispensing, daim ntawv thov thiab yaug, ua kom txhuam zoo dua thiab txaus siab.
b. Extend lub txee lub neej:
Cov khoom moisturizing ntawm HPMC ua lub luag haujlwm tseem ceeb hauv kev txuas lub txee lub neej ntawm cov tshuaj txhuam hniav. Los ntawm kev tiv thaiv cov khoom los ntawm kev ziab tawm, nws pab tswj nws qhov zoo thiab kev ua tau zoo nyob rau lub sijhawm ntev, ua kom cov neeg siv khoom tau txais cov khoom lag luam zoo kom txog thaum lawv siv zaum kawg.
C. Txhim kho formula stability:
Kev khi thiab ruaj khov ntawm HPMC ua rau muaj kev ruaj ntseg tag nrho ntawm cov tshuaj txhuam hniav. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog thaum tsim cov tshuaj txhuam hniav uas muaj ntau yam khoom xyaw uas yuav cuam tshuam nrog ib leeg lossis ua rau lub sijhawm.
d. Product attribute customization:
Cov neeg tsim khoom tuaj yeem kho hom thiab tus nqi ntawm HPMC siv hauv cov tshuaj txhuam hniav kom ua tiav cov khoom tshwj xeeb. Qhov kev hloov pauv no tso cai rau kev hloov kho ntawm viscosity, kev ntxhib los mos thiab lwm yam kev ua haujlwm kom tau raws li cov neeg siv khoom nyiam thiab kev xav tau ntawm kev lag luam.
Hydroxypropyl methylcellulose yog cov khoom siv ntau yam polymer uas ua lub luag haujlwm tseem ceeb hauv cov tshuaj txhuam hniav. Nws cov khoom sib xyaw tshwj xeeb, suav nrog kev tswj viscosity, muaj peev xwm nplaum, moisturizing, film-forming thiab active ingredient stability, pab txhim kho tag nrho cov kev ua tau zoo thiab cov neeg siv kev thov ntawm cov tshuaj txhuam hniav. Raws li kev saib xyuas qhov ncauj tseem yog qhov tseem ceeb rau cov neeg siv khoom, kev siv HPMC hauv cov tshuaj txhuam hniav zoo li yuav txuas ntxiv mus raws li cov tuam txhab nrhiav kom muab cov khoom lag luam zoo uas txhawb kev noj qab haus huv ntawm qhov ncauj thiab muab kev paub zoo rau cov neeg siv.
Post lub sij hawm: Dec-21-2023