Hydroxypropylmethylcellulose (HPMC) yog ib qho khoom siv uas nquag siv hauv kev lag luam tshuaj, zaub mov thiab kev tsim kho. Nws yog cov hmoov tsis muaj xim, tsis muaj ntxhiab tsw uas yaj hauv dej los tsim cov gel zoo li kev ntxhib los mos. HPMC, tseem hu ua hypromellose, yog muab los ntawm ntuj cellulose. Nws yog ib qho kev nyab xeeb, tsis muaj tshuaj lom, biodegradable compound nrog ntau yam kev siv.
Lub luag haujlwm ntawm HPMC nyob rau hauv kev lag luam kws tshuaj yog tsuas yog raws li ib tug binder, thickener thiab solubilizer nyob rau hauv cov ntsiav tshuaj formulations. Nws pab txhim kho cov ntsiav tshuaj lub cev los ntawm kev muab cov kev ntxhib los mos zoo nkauj, txhim kho compressibility thiab tiv thaiv kev sib cais ntawm cov khoom xyaw nquag. HPMC kuj tseem siv los ua txheej txheej hauv cov tshuaj ntsiav tshuaj txuas ntxiv los pab tso cov khoom xyaw nquag hauv kev tswj hwm lub sijhawm.
Hauv kev lag luam khoom noj khoom haus, HPMC yog siv los ua cov thickener, stabilizer thiab emulsifier hauv ntau yam khoom noj. Nws pab txhim kho kev ntxhib los mos, zoo li thiab txee lub neej ntawm cov khoom noj xws li ice cream, sauces thiab bakery khoom. HPMC kuj tseem siv los ua cov roj thiab roj hloov hauv cov khoom noj muaj roj tsawg, calories tsawg.
Hauv kev tsim kho kev lag luam, HPMC yog siv los ua cov thickener, dej tuav tus neeg sawv cev thiab khi rau hauv kev tsim cov khoom siv cement. Nws pab txhim kho kev ua haujlwm, lub zog thiab kav ntev ntawm cov cement sib tov thiab tiv thaiv kev tawg ntawm kev sib sau. HPMC kuj tseem siv rau hauv kev tsim cov gypsum thiab putty ua cov khoom siv khi.
Lub luag haujlwm ntawm HPMC hauv kev lag luam saum toj no yog qhov tseem ceeb thiab tsis tuaj yeem tsis quav ntsej. Kev siv HPMC hauv cov kws tshuaj xyuas kom meej thiab zoo ib yam, pab txhim kho bioavailability ntawm cov khoom xyaw nquag, thiab ua rau cov tshuaj ntau palatable. Kev siv HPMC hauv cov khoom noj khoom haus ua kom zoo ib yam kev ntxhib los mos, tsos thiab tsw, thaum tseem txuas ntxiv lub txee lub neej ntawm cov khoom noj. Kev siv HPMC hauv kev tsim kho ua kom muaj kev ua haujlwm zoo ntawm cov cement sib tov, ua rau lub tsev muaj zog thiab ruaj khov dua.
Ntxiv rau nws cov khoom ua haujlwm, HPMC kuj tseem muaj txiaj ntsig zoo rau ib puag ncig. Tsis zoo li lwm cov khoom siv hluavtaws, nws yog biodegradable thiab tsis muaj kev hem thawj rau ib puag ncig. HPMC tsis muaj tshuaj lom thiab muaj kev nyab xeeb rau tib neeg noj, ua rau nws muaj kev xaiv nrov hauv zaub mov thiab tshuaj.
Hauv kev xaus, kev siv HPMC hauv ntau qhov kev lag luam muaj kev cuam tshuam zoo rau kev ua haujlwm ntawm cov khoom lag luam thiab kev ua phooj ywg ib puag ncig. Nws tau ua pov thawj zoo nyob rau hauv kws tshuaj raws li ib tug binder, thickener thiab solubilizer, nyob rau hauv cov zaub mov raws li ib tug thickener, stabilizer thiab emulsifier, thiab nyob rau hauv kev tsim kho raws li ib tug dej-retaining agent. HPMC yog ib qho chaw nyab xeeb, tsis muaj tshuaj lom uas yog biodegradable, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov kev lag luam no. Yog li ntawd, ntau yam kev lag luam yuav tsum tau txhawb kom siv HPMC kom tau txais txiaj ntsig zoo dua.
Post lub sij hawm: Lub Xya hli ntuj-18-2023