Cellulose ether yog dav siv thiab tseem ceeb hauv cov tshuaj txhuam hniav. Raws li multifunctional additive, nws plays lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua tau zoo thiab kev siv cov tshuaj txhuam hniav.
1. Thickener
Ib qho ntawm cov haujlwm tseem ceeb ntawm cellulose ether yog ua cov thickener. Lub luag haujlwm ntawm cov thickener yog ua kom cov viscosity ntawm cov tshuaj txhuam hniav kom nws muaj qhov tsim nyog sib xws thiab fluidity. Tsim nyog viscosity tuaj yeem tiv thaiv cov tshuaj txhuam hniav kom nyias nyias thaum nws nyem tawm, kom ntseeg tau tias tus neeg siv tuaj yeem nyem tawm cov tshuaj txhuam hniav kom raug thaum siv nws, thiab cov tshuaj txhuam hniav tuaj yeem sib npaug ntawm cov txhuam hniav. Feem ntau siv cellulose ethers xws li hydroxypropyl methylcellulose (HPMC) thiab hydroxyethyl cellulose (HEC) tau dav siv vim lawv cov nyhuv thickening zoo thiab ruaj khov.
2. Stabilizer
Cov tshuaj txhuam hniav muaj ntau yam khoom xyaw, xws li dej, abrasives, sweeteners, surfactants thiab cov khoom xyaw nquag. Cov khoom xyaw no yuav tsum tau sib npaug sib npaug kom tsis txhob stratification lossis nag lossis daus. Cellulose ether tuaj yeem txhim kho kev ruaj ntseg ntawm lub cev, tiv thaiv kev sib cais ntawm cov khoom xyaw, thiab xyuas kom meej tias cov tshuaj txhuam hniav tuaj yeem tswj xyuas qhov zoo thiab muaj txiaj ntsig thoob plaws lub neej txee.
3. Humectant
Cellulose ether muaj cov dej tuav zoo thiab tuaj yeem nqus tau thiab khaws cov dej noo, tiv thaiv cov tshuaj txhuam hniav kom qhuav thiab tawv vim tsis muaj dej noo thaum khaws cia. Cov cuab yeej no tseem ceeb heev rau kev ntxhib los mos ntawm cov tshuaj txhuam hniav thiab cov neeg siv kev paub, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig qhuav los yog khaws cia ntev.
4. Excipient
Cellulose ether kuj tseem siv tau los ua ib qho khoom siv los muab cov tshuaj txhuam hniav kom zoo thiab zoo nkauj. Nws tuaj yeem ua rau cov tshuaj txhuam hniav muaj kev ntxhib los mos thiab txhim kho cov neeg siv kev paub. Nyob rau tib lub sijhawm, cellulose ether tuaj yeem txhim kho qhov kev ua tau zoo ntawm cov tshuaj txhuam hniav, kom cov tshuaj txhuam hniav ua kom zoo nkauj zoo nkauj thaum extruded, uas tsis yooj yim rau tawg lossis deform.
5. Saj hloov
Txawm hais tias cellulose ether nws tus kheej tsis muaj qab hau, nws tuaj yeem txhim kho qhov saj los ntawm kev txhim kho kev ntxhib los mos thiab sib xws ntawm cov tshuaj txhuam hniav. Piv txwv li, nws tuaj yeem pab faib cov khoom qab zib thiab cov khoom qab zib kom sib npaug, ua rau lub saj zoo dua thiab qab ntxiag.
6. Synergistic nyhuv
Hauv qee cov tshuaj txhuam hniav ua haujlwm, cellulose ether tuaj yeem pab cov kev faib tawm thiab tso tawm cov khoom xyaw nquag (xws li fluoride, tshuaj tua kab mob, thiab lwm yam), yog li txhim kho lawv cov txiaj ntsig. Piv txwv li, cov tshuaj fluoride nyob rau hauv cov tshuaj txhuam hniav fluoride yuav tsum tau muab sib npaug zos thiab sib tiv tauj tag nrho cov hniav kom muaj kev tiv thaiv kab mob. Lub thickening thiab stabilizing teebmeem ntawm cellulose ether tuaj yeem pab ua tiav qhov no.
7. Tsawg khaus thiab muaj kev nyab xeeb siab
Cellulose ether yog muab los ntawm ntuj cellulose thiab yog tsim tom qab kev hloov tshuaj. Nws muaj toxicity tsawg thiab zoo biocompatibility. Nws yuav tsis ua rau lub qhov ncauj mucosa thiab cov hniav thiab tsim nyog rau kev siv mus ntev. Qhov no yog qhov tshwj xeeb tshaj yog rau cov neeg siv khoom vim tias cov tshuaj txhuam hniav yog cov khoom siv kho qhov ncauj uas nquag siv hauv lub neej txhua hnub, thiab nws txoj kev nyab xeeb cuam tshuam ncaj qha rau kev noj qab haus huv thiab kev ntseeg siab ntawm cov neeg siv.
8. Txhim kho qhov extrudability ntawm cov muab tshuaj txhuam
Cov tshuaj txhuam hniav yuav tsum tau nyem tawm ntawm cov tshuaj txhuam hniav thaum siv. Cellulose ether tuaj yeem txhim kho qhov extrudability ntawm cov muab tshuaj txhuam, yog li cov tshuaj muab tshuaj txhuam tuaj yeem nyem tawm kom zoo nyob rau hauv qhov tsis tshua muaj siab, tsis yog nyias thiab kua heev, los yog tuab heev thiab nyuaj rau nyem tawm. Qhov nruab nrab extrudability no tuaj yeem txhim kho qhov yooj yim thiab txaus siab ntawm cov neeg siv.
Raws li ib qho tseem ceeb additive nyob rau hauv cov tshuaj txhuam hniav, cellulose ether txhim kho kev ua tau zoo thiab cov neeg siv kev paub ntawm cov tshuaj txhuam hniav los ntawm nws thickening, stabilization, moisturizing, excipient thiab lwm yam dej num. Nws tsis tshua muaj kev khaus thiab kev nyab xeeb siab kuj ua rau nws yog qhov kev xaiv zoo tshaj plaws hauv kev tsim cov tshuaj txhuam hniav. Nrog rau kev nce qib ntawm cov thev naus laus zis thiab cov kev xav tau ntawm cov neeg siv khoom hloov pauv, daim ntawv thov ntawm cellulose ether yuav txuas ntxiv txhim kho thiab tsim kho tshiab, coj ntau txoj hauv kev rau kev lag luam tshuaj txhuam hniav.
Post lub sij hawm: Lub Xya hli ntuj-12-2024