1. Cov khoom yooj yim ntawm HPMC
HPMC (HydroxyPropyyl methylulose) yog cov cellulcencellulose ethatic ether petically dav, tshwj xeeb tshaj yog nyob rau hauv kev tsim kho thiab cov nplaum muaj. HPMC muaj cov dej ua kom zoo, cov dej nplaum, cov dej tuav, ua kom muaj cov khoom siv tseem ceeb hauv cov khoom nplaum.
2. Thickener thiab dej tuav tus neeg sawv cev
Ib qho ntawm cov ntsiab lus siv HPMC hauv cov nplaum nplaum yog cov tuab thiab dej rov ua tus neeg saib xyuas. Vim nws cov dej ua kua loj, HPMC tuaj yeem yaj nrawm hauv dej thiab ua qhov kev daws teeb meem siab. Cov cuab yeej no pab tau HPMC kom ua tau zoo rau viscesive thiab txhim kho cov txheej txheej thiab ua haujlwm ntawm cov nplaum thaum kev tsim kho. Tsis tas li ntawd, cov dej khaws cia ntawm HPMC ua rau kom tiv thaiv dej los ntawm kev tsim kho sai dhau thaum lub sijhawm tsim kho ntawm cov nplaum thiab ua kom muaj txiaj ntsig zoo.
3. Nyaj thiab Zaj Duab Xis Tsim
Cov nplaum ntawm HPMC yog lwm txoj haujlwm tseem ceeb hauv cov nplaum. HPMC tuaj yeem txhim kho lub zog uas muaj zog ntawm cov nplaum, tshwj xeeb yog tsim cov txheej txheem sib raug zoo ntawm lub interface hauv kev sib cuag nrog lub substrate. Ib qho ntxiv, cov duab ua yeeb yaj kiab ntawm HPMC ua rau nws ua ib qho kev hnav khaub ncaws thiab cov yeeb yaj kiab ntom ntom tom qab cov nplaum thiab kev ruaj ntseg ntawm cov nplaum. Cov khoom no tau siv dav hauv cov khoom lag luam xws li cov nplaum ntoo, cov nplaum sib xyaw, thiab cov nplaum ntoo.
4. Kev txhim kho ntawm kev tsim kho kev ua haujlwm
Hauv kev tsim kho cov nplaum, HPMC tsis tsuas yog txhim kho cov khoom siv lub cev ntawm cov khoom, tab sis kuj txhawb cov haujlwm tsim tawm ntawm cov txheej txheem kev tsim kho. Piv txwv li, hauv cov nplaum xyaw thiab cov pob zeb, HPMC tuaj yeem muab cov yuag yuag thiab tiv thaiv cov khoom siv, txo cov khoom pov tseg thaum kev tsim kho. Tsis tas li ntawd, kev siv HPMC kuj tseem tuaj yeem txhim kho cov yam ntxwv los ntawm cov nplaum ntawm cov nplaum, kom muaj kev txhim kho yav dhau los, ua kom zoo nkauj dua thiab zoo nkauj dua.
5. Ib puag ncig kev phooj ywg thiab kev nyab xeeb
Raws li lub ntuj cellulose derivative, HPMC muaj cov biocompatibility zoo thiab biodegradability. Qhov no ua rau nws muaj cov nplaum nplaum zoo tshaj plaws hauv zej zog niaj hnub nrog kev tiv thaiv ib puag ncig ib puag ncig. Piv nrog qee cov tshuaj lom neeg cov tshuaj lom neeg cov dej thiab cov dej tsis muaj tshuaj lom thiab tshuaj lom neeg, muaj kev nyab xeeb dua rau ib puag ncig. Yog li ntawd, HPMC tau siv dav hauv cov nplaum hauv kev tsim kho, rooj tog zaum, ntim thiab lwm yam kev lag luam, cov cai noj qab haus huv niaj hnub no.
6. Cov ntawv thov tshwj xeeb ntawm HPMC nyob rau ntau hom nplaum
Siv cov nplaum: HPMC tau siv dav hauv cov nplaum tsim khoom xws li cov nplaum cov nplaum, thiab cov khoom lag luam ua lag luam. Nws cov dej zoo heev thiab cov khoom siv thickenies tuaj yeem tiv thaiv kom tsis txhob muaj dej nyob hauv substrate, kom muaj zog ua kom zoo thiab ua haujlwm zoo.
Cov nplaum ntoo: Hauv kev lag luam ntoo, HPMC, tuaj yeem txhim kho cov teeb meem ntoo thiab ua kom txo cov teeb meem tawg thiab ua kom muaj teeb meem tawg ua kom cov kua nplaum thaum ziab.
Cov khoom lag luam ntawv thiab ntim cov nplaum: HPMC yog siv los ua cov khoom lag luam thiab dej ntawm cov nplaum thiab kom cov khoom siv khov kho ntawm cov ntawv thiab cov khoom ntim.
Kuj tseem siv cov khoom noj khoom haus thiab cov khoom lag luam HPMC kuj tseem siv rau hauv cov ntsiav tshuaj thiab cov nplaum ntawm cov khoom noj khoom haus thiab cov nplaum hauv cov zaub mov ntim, vim nws muaj kev nyab xeeb thiab tsis muaj tshuaj lom.
7. Yav Tom Ntej Kev Tsim Kho Cov Lus Cog Tseg
Nrog kev txhim kho kev txuas ntxiv ntawm cov khoom siv thev naus laus zis, kev ua tau zoo yuav tsum tau rau cov ntaub ntawv tau nce siab dua thiab siab dua. Raws li kev sib ntxiv ntau ntxiv, HPMC muaj qhov dav kev cia siab. Yav tom ntej, muaj ntxiv dag zog rau kev tiv thaiv ib puag ncig thiab kev txhim kho kom ruaj khov, HPMC yuav siv ntau dua hauv cov nplaum ntsuab. Ib qho ntxiv, los ntawm kev kho kom zoo dua cov qauv molecc, ntau dua HPMC, Ntau HPMC cov khoom tshwj xeeb tuaj yeem ua kom tau cov kev lag luam tshwj xeeb ntawm kev lag luam sib txawv rau cov nplaum.
Txoj kev thov thoob plaws HPMC hauv cov nplaum nplaum yog vim nws lub cev thiab tshuaj lom neeg zoo. Nws tuaj yeem ua cov haujlwm ntau xws li thickening, dej khaws cia, zaj duab xis nyob rau hauv cov nplaum sib txawv. Nrog kev nce qib ntawm kev siv thev naus laus zis thiab hloov hauv kev lag luam HPMC yuav txuas ntxiv rau kev txhim kho kev lag luam ntawm kev lag luam.
Lub sij hawm Post: Aug-23-2024