HPMC (HydroxyPropyyl methylulose) yog dej-soluble polymer uas tau siv dav hauv kev lag luam kom zoo nkauj rau nws cov versatility thiab kev nyab xeeb. Raws li cov tsis muaj tshuaj lom, tsis muaj kev cuam tshuam, tsis muaj cov txiaj ntsig, hpmc muab ntau cov tshuaj pleev ib ce, txhim kho kev ntxhib los mos, kev ua tau zoo thiab cov neeg siv khoom ntawm cov khoom.
1. Thickening thiab gelling cov nyhuv
Ib qho ntawm cov ntsiab lus siv HPMC yog cov tuab tuab thiab tus neeg sawv cev. Hauv cov tshuaj pleev ib ce, xwm yeem thiab kev ntxhib los mos yog qhov tseem ceeb uas cuam tshuam cov neeg siv kev paub. HPMC tuaj yeem nce viscosity ntawm cov khoom, ua rau nws smoother, ntau elastic thiab yooj yim rau kev thov. Cov nyhuv no tsis yog txwv rau cov qauv dej, tab sis kuj suav nrog cov roj-raws li lossis cov kua tshuaj pleev roj. Hauv daim tawv nqaij tawv, ntsej muag ntsej muag, ntxuav cov khoom muag thiab cov khoom siv HPMC feem ntau yog muab tso rau ntawm daim tawv nqaij, thiab ua ib zaj duab xis mos ntawm daim tawv nqaij.
Lub zog ntawm HPMC tshwj xeeb yog tsim nyog rau cov khoom siv saib xyuas cov tawv nqaij, xws li ntsej muag ntsej muag thiab cov gels qhov muag. Cov khoom no yuav tsum tau ua ib zaj duab xis nyias nyias rau ntawm daim tawv nqaij saum toj tom qab daim ntawv thov, thiab HPMC tuaj yeem ua tiav qhov kev ruaj ntseg ntawm cov khoom lag luam thiab kev tiv thaiv dej tsis tau.
2. Yisturizing nyhuv
Moisturizing yog ib qho kev thov hauv cov tshuaj pleev ib ce, tshwj xeeb tshaj yog hauv cov khoom tu tawv nqaij thiab cov khoom plaub. Raws li ib tug zoo noo noo retainer, HPMC tuaj yeem ua cov yeeb yaj kiab tiv thaiv ntawm daim tawv nqaij lossis cov plaub hau hauv noo noo thiab tiv thaiv nws los ntawm evaporating. Nws cov qauv hydrophilic molecular tso cai rau nws nqus thiab khaws cov nyiaj noo noo, yog li ua kom cov tawv nqaij ua kom ntev tom qab siv cov khoom lag luam.
Hauv cov khoom siv saib xyuas tawv nqaij qhuav, cov moisturizing nyhuv ntawm HPMC tshwj xeeb yog pom tseeb. Nws tuaj yeem nqus tau noo noo, ua kom cov tawv nqaij mos thiab noo noo, thiab txo kom qhuav thiab tev tshwm sim los ntawm cov tawv nqaij tsis txaus. Tsis tas li ntawd, HPMC tseem tuaj yeem hloov cov roj-roj sib npaug kom cov khoom yuav tsis muaj roj ntau dua thaum siv, thiab haum rau cov neeg siv khoom nrog cov tawv nqaij sib txawv.
3. Stabilizer nyhuv
Ntau cov qauv ua kom zoo nkauj muaj ntau cov khoom xyaw, tshwj xeeb tshaj yog cov roj hmab sib tov, thiab feem ntau yuav tsum muaj cov khoom xyaw kom ntseeg tau tias cov mis. Raws li cov tsis-ionic polymer, HPMC tuaj yeem ua tus zoo emulsifying thiab stabilizing txoj haujlwm los tiv thaiv kev sib cais ntawm cov roj thiab dej hauv cov mis. Nws tuaj yeem ua rau muaj txiaj ntsig zoo emulsions thiab ncua kev, tiv thaiv cov nag lossis kev sib zog ntawm cov khoom xyaw thiab siv kev paub ntawm cov khoom.
HPMC kuj tseem siv tau los ua tus neeg sawv cev los tiv thaiv kev ua yeeb yam xws li cov nqaij tawv nqaij (xws li cov nqaij tawv nqaij (xws li lub dab ntub dej (ua kom muaj kev sib txawv ntawm cov khoom lag luam.
4. Zaj duab xis-tsim thiab txhim kho ductility
HPMC muaj cov yeeb yaj kiab zoo tshaj plaws, uas ua rau nws muaj cov tshuaj zoo tshaj plaws hauv cov tshuaj pleev ib ce, tshwj xeeb hauv cov xim pleev xim rau cov xim. Tom qab siv cov khoom lag luam HPMC, nws tuaj yeem tsim cov yeeb yaj kiab nyias thiab breathable ntawm cov tawv nqaij, txhim kho lub durability ntawm cov khoom. Piv txwv li, hauv lub hauv paus ua kua, qhov muag duab ntxoo thiab cov mem pleev di ncauj, HPMC tuaj yeem txhim kho nws cov nplaum, ua kom pleev xim ruaj khov thiab tsis tshua poob.
Hauv cov ntsia hlau polish, HPMC tuaj yeem muab cov txiaj ntsig zoo, thaum ua cov ntsia hlau du thiab ci ci, nce nws lub ci thiab kos tsis kam. Tsis tas li ntawd, HPMC tseem tuaj yeem txhim kho cov qauv ntawm cov khoom tu plaub hau, pab cuam tshuam rau cov plaub hau, txo cov plaub hau thiab txhim kho cov plaub hau.
5. Me thiab tsis-irritating
HPMC, raws li ib txwm tau muab cov tawv nqaij cellulas ib txwm muaj, tsis txhob ua tawv nqaij thiab yog li tsim kom muaj tawv nqaij rhiab. Ntau cov qauv ua kom zoo nkauj muaj cov khoom xyaw nquag, xws li cov tshuaj tua kab mob antioxidants, thiab cov tshuaj tiv thaiv hauv inert, tuaj yeem txo cov dej tsis taus, tuaj yeem txo cov khoom xyaw rau cov tawv nqaij. Tsis tas li ntawd, HPMC yog tsis muaj xim thiab tsis muaj dab tsi cuam tshuam rau cov tsos ntawm cov khoom lag luam, ua rau nws cov cetalizer uas nyiam tshaj plaws hauv ntau lub tshuaj pleev ib ce.
6. Txhim kho lub fluidity thiab dispersibility ntawm cov khoom
Nyob rau hauv ntau cov qauv ua kom zoo nkauj, tshwj xeeb yog cov hmoov lossis cov hmoov av xws li nias hmoov, HPMC tuaj yeem txhim kho fluidity thiab dispersibility ntawm cov khoom. Nws pab cov hmoov hmoov cov khoom xyaw kom nyob twj ywm thaum lub sijhawm sib xyaw, tiv thaiv cov khaub ncaws agglomeration, thiab ua kom cov khoom siv zoo dua thiab siv tau yooj yim.
HPMC tseem tuaj yeem txhim kho cov khoom ua kua, ua rau lawv yooj yim ntws hauv lub raj mis thaum tswj hwm qhov viscosity thaum extruded. Qhov no yog qhov tshwj xeeb tshaj yog rau cov khoom lag luam uas yuav tsum tau tso tawm lossis cov khoom raj, uas tuaj yeem txhim kho cov neeg siv khoom.
7. Muab cov khoom ci ci thiab pob tshab
Hauv pob tshab gel cov khoom lag luam, xws li lub ntsej muag ntsej muag, pob tshab thiab cov plaub hau txau thiab cov plaub hau txhim kho lub pob tshab thiab cov khoom ntawm cov khoom. Cov cuab yeej no ua rau nws nrov heev hauv cov tawv nqaij high-enden thiab cov khoom tu plaub hau. HPMC tuaj yeem tsim lub micro-glossy zaj duab xis nyob rau saum npoo ntawm daim tawv nqaij, txhim kho cov tawv nqaij ntawm daim tawv nqaij thiab ua rau nws saib kev noj qab haus huv dua thiab ci ci.
8. Biocompatibility thiab kev nyab xeeb
HPMC yog cov khoom siv nrog kev ua tau zoo biocompatibility. Nws yuav tsis thim cov tawv nqaij thiab yuav tsis ua rau cov tawv nqaij ua xua. Yog li ntawd, nws yog dav siv nyob rau hauv rhiab tawv nqaij thiab menyuam cov khoom lag luam. Piv nrog rau lwm cov tuab lossis cov neeg sawv cev, HPMC yog tsis muaj tshuaj lom thiab tsis sib haum xeeb, haum rau txhua hom tawv nqaij. Tsis tas li ntawd, HPMC muaj qhov chaw ib puag ncig zoo thiab yuav tsis yog ib puag ncig. Nws yog cov khoom siv ib puag ncig.
Txoj kev thov thoob plaws HPMC hauv cov tshuaj pleev ib ce yog vim nws cov versatility thiab kev nyab xeeb. Seb puas yog tuab, moisturizer, zaj duab xis yav tas los, lossis ua cov khoom siv stabilizer, HPMC tuaj yeem coj cov kev sib raug zoo rau cov tshuaj pleev ib ce. Tsis tas li ntawd, nws cov kev mob ntshav me thiab biocompatibility ua rau nws xaiv cov tawv nqaij rhiab thiab cov khoom ib puag ncig. Hauv kev ua kom zoo nkauj niaj hnub, lub luag haujlwm ntawm HPMC tsis tuaj yeem tsis quav ntsej. Nws tsis yog txhim kho kev ua haujlwm ntawm cov khoom, tab sis kuj tseem txhim kho cov neeg siv khoom.
Lub Sijhawm Post: Oct-11-2024