(1). Kev taw qhia yooj yim
Cov tshuaj lom neeg txhua hnub qib dej txias tam sim ntawd cellulose HPMC (Hydroxypropyl Methyl Cellulose, hydroxypropyl methylcellulose) yog cov cellulose ether tsis-ionic uas siv dav hauv kev lag luam tshuaj txhua hnub, tshwj xeeb tshaj yog hauv cov khoom siv tu tus kheej.
(2). Cov yam ntxwv
1. Tam sim ntawd yaj hauv dej txias
Cov tshuaj lom neeg txhua hnub HPMC muaj kev yaj dej txias zoo heev, uas ua rau nws yooj yim dua thiab ua haujlwm tau zoo thaum siv. Cov cellulose ethers ib txwm xav tau cua sov lossis do ntev thaum yaj, thaum dej txias HPMC tam sim ntawd tuaj yeem yaj sai sai ntawm chav tsev kub kom tsim cov tshuaj sib xws thiab ruaj khov, uas ua rau lub sijhawm tsim khoom luv dua thiab cov txheej txheem nyuaj.
2. Cov khoom zoo heev thiab cov khoom ncua kev kawm
Ua ib qho thickener zoo, HPMC tuaj yeem ua rau cov khoom ua kua viscosity ntau dua ntawm qhov tsawg dua, txhim kho cov qauv thiab kev siv ntawm cov khoom. Tsis tas li ntawd, nws tuaj yeem ua kom cov khoom khov kho thiab ruaj khov, tiv thaiv kev poob qis, thiab ua kom cov khoom sib xws thiab ruaj khov.
3. Cov khoom zoo ua yeeb yaj kiab
HPMC muaj cov yam ntxwv zoo uas ua rau daim tawv nqaij du thiab ua pa tau zoo. Qhov no ua rau nws siv dav hauv cov khoom siv tu tawv nqaij kom pab kaw cov dej noo thiab muab cov txiaj ntsig noo noo ntev thaum txhim kho daim tawv nqaij du thiab mos.
4. Kev pom tseeb siab
Cov kua HPMC uas yaj lawm muaj qhov pom tseeb siab, uas yog qhov tseem ceeb rau ntau yam khoom siv tshuaj niaj hnub uas xav tau kom muaj qhov pom tseeb lossis pom tseeb. Piv txwv li, hauv cov khoom xws li tshuaj ntxuav tes pob tshab, lub ntsej muag pob tshab thiab cov gel pob tshab, kev siv HPMC tuaj yeem tswj tau lawv qhov zoo nkauj.
5. Kev ruaj khov tshuaj lom neeg thiab biocompatibility
HPMC muaj cov khoom siv tshuaj lom neeg ruaj khov, tsis yooj yim rau cov tshuaj lom neeg lossis kev puas tsuaj, thiab tseem ruaj khov hauv ntau yam pH thiab qhov kub thiab txias. Tib lub sijhawm, nws muaj kev sib raug zoo biocompatibility zoo thiab yuav tsis ua rau khaus lossis ua xua rau daim tawv nqaij. Nws yog qhov tsim nyog rau kev siv rau ntau hom tawv nqaij, tshwj xeeb tshaj yog cov tawv nqaij rhiab heev.
6. Cov teebmeem moisturizing thiab lubricating
HPMC muaj cov nyhuv moisturizing zoo heev thiab tuaj yeem tsim ib txheej moisturizing rau ntawm daim tawv nqaij kom txo qhov poob dej. Tib lub sijhawm, nws kuj muaj cov nyhuv lubricating, ua rau kom du thiab yooj yim ntawm kev siv cov khoom, ua rau kev siv zoo dua.
(3). Cov txiaj ntsig
1. Txhim kho qhov zoo ntawm cov khoom thiab kev paub ntawm cov neeg siv
Cov tshuaj lom neeg txhua hnub uas siv dej txias HPMC tuaj yeem txhim kho qhov zoo nkauj, ruaj khov thiab zoo nkauj ntawm cov khoom, yog li ntawd thiaj li txhim kho qhov zoo ntawm cov khoom thiab kev paub ntawm cov neeg siv. Nws cov yam ntxwv ua kom tuab, ua zaj duab xis thiab ua kom noo noo ua rau cov khoom siv tshuaj txhua hnub sib tw ntau dua hauv kev ua lag luam.
2. Ua kom yooj yim rau cov txheej txheem ntau lawm thiab txo cov nqi
Vim nws cov dej txias yaj tau sai, kev siv HPMC tuaj yeem ua rau cov txheej txheem tsim khoom yooj yim dua thiab txo qhov xav tau cua sov thiab kev sib xyaw ntev, yog li txo kev siv hluav taws xob thiab cov nqi tsim khoom. Tsis tas li ntawd, kev yaj sai thiab kev faib tawm sib xws kuj txhim kho kev ua haujlwm ntau lawm.
3. Kev siv tau ntau yam thiab siv tau dav
Qhov ua tau ntau yam ntawm HPMC ua rau nws siv dav hauv kev lag luam tshuaj txhua hnub. Nws tuaj yeem pom muaj nyob rau hauv ntau yam khoom los ntawm cov khoom siv tu tawv nqaij, tshuaj zawv plaub hau, tshuaj da dej gels mus rau cov tshuaj ntxuav, tshuaj ntxuav tes, thiab lwm yam. Nws cov haujlwm ntau yam tuaj yeem ua tau raws li qhov xav tau ntawm cov khoom sib txawv thiab muab kev ywj pheej ntau dua rau kev tsim cov khoom.
4. Kev nyab xeeb thiab kev tiv thaiv ib puag ncig
Ua ib qho cellulose derivative uas tau los ntawm ntuj, HPMC muaj kev puas tsuaj zoo thiab kev phooj ywg rau ib puag ncig. Thaum lub sijhawm tsim khoom thiab siv cov txheej txheem, yuav tsis muaj cov tshuaj lom neeg tsim tawm, thiab nws tsis muaj teeb meem rau ib puag ncig thiab tib neeg kev noj qab haus huv, thiab ua tau raws li qhov xav tau ntawm lub zej zog niaj hnub rau cov khoom ntsuab thiab cov khoom zoo rau ib puag ncig.
5. Kev muab khoom ruaj khov thiab kev tswj tau zoo
Vim yog HPMC cov thev naus laus zis tsim khoom paub tab, kev muab khoom lag luam ruaj khov thiab kev tswj tau zoo, nws tuaj yeem ua kom muaj kev sib txuas thiab sib xws ntawm kev tsim khoom tshuaj txhua hnub. Nws cov qauv zoo thiab cov kev ua tau zoo tuaj yeem hloov kho raws li cov neeg siv khoom xav tau kom ua tau raws li cov kev xav tau tshwj xeeb ntawm ntau yam kev lag luam thiab daim ntawv thov.
Cov tshuaj lom neeg txhua hnub qib dej txias tam sim ntawd cellulose HPMC ua lub luag haujlwm tseem ceeb hauv kev lag luam tshuaj txhua hnub nrog nws cov khoom siv lub cev thiab tshuaj lom neeg tshwj xeeb thiab kev ua haujlwm ntau yam. Nws cov dej txias yaj tam sim ntawd, cov khoom tuab thiab dais zoo heev, cov nyhuv zoo rau kev tsim zaj duab xis thiab noo noo, nrog rau kev nyab xeeb thiab kev tiv thaiv ib puag ncig ua rau nws yog ib qho khoom siv zoo tshaj plaws hauv ntau yam khoom siv tshuaj txhua hnub. Los ntawm kev txhim kho cov khoom zoo, ua kom yooj yim cov txheej txheem tsim khoom thiab txo cov nqi, HPMC tsis yog tsuas yog ua tau raws li kev thov ntawm kev ua lag luam, tab sis kuj coj ntau tus nqi lag luam rau cov tuam txhab. Nrog rau kev txhim kho ntawm kev tshawb fawb thiab thev naus laus zis thiab kev siv nws tob zuj zus, HPMC lub zeem muag hauv thaj chaw ntawm cov tshuaj txhua hnub yuav dav dua.
Lub sijhawm tshaj tawm: Lub Xya Hli-30-2024