Focus on Cellulose ethers

HPMC siv hauv cov ntsiav tshuaj

HPMC siv hauv cov ntsiav tshuaj

HPMC (hydroxypropyl methylcellulose) yog cov khoom siv dav siv hauv kev lag luam kws tshuaj. Nws yog non-ionic, dej-soluble polymer muab los ntawm cellulose, thiab yog siv nyob rau hauv ntau yam tshuaj formulations, nrog rau cov ntsiav tshuaj, tsiav tshuaj, cream, tshuaj pleev, thiab suspensions. HPMC yog ib qho zoo tshaj plaws excipient rau cov ntsiav tshuaj formulations vim hais tias nws tsis yog-tshuaj lom, tsis-khaus, thiab muaj zoo heev khi thiab film-forming zog.

HPMC yog siv rau hauv cov ntsiav tshuaj rau ntau yam laj thawj. Ua ntej, nws yog siv los ua ib tug binder los tuav lub ntsiav tshuaj ua ke. HPMC yog cov khoom uas muaj kuab heev uas tuaj yeem tsim kev sib raug zoo ntawm cov khoom xyaw nquag thiab lwm yam khoom ntxiv hauv cov ntsiav tshuaj. Qhov no yuav pab xyuas kom meej tias cov ntsiav tshuaj ruaj khov thiab tsis tawg thaum lub sijhawm tsim khoom lossis khaws cia.

Qhov thib ob, HPMC yog siv los ua cov tshuaj tsis sib xws hauv cov ntsiav tshuaj. Thaum noj cov ntsiav tshuaj ntawm qhov ncauj, nws yuav tsum tuaj yeem sib cais sai sai thiaj li yuav tso tawm cov khoom xyaw nquag. HPMC pab txhawb cov txheej txheem no los ntawm kev nqus dej thiab o, uas ua rau cov ntsiav tshuaj tawg. Qhov no ua kom ntseeg tau tias cov khoom xyaw nquag tso tawm sai thiab ua tau zoo.

Thib peb, HPMC yog siv los ua cov roj nplua nyeem hauv cov ntsiav tshuaj. Lubricants pab txo cov kev sib txhuam ntawm cov ntsiav tshuaj thiab cov phab ntsa tuag thaum lub sij hawm compression txheej txheem, uas yuav pab tiv thaiv kom txhob lo lo ntxhuav thiab sticking. Qhov no yuav pab xyuas kom meej tias cov ntsiav tshuaj muaj qhov loj me thiab cov duab zoo ib yam.

Plaub, HPMC yog siv los ua glidant hauv cov ntsiav tshuaj. Glidants pab txo qhov nro ntawm cov hmoov av, uas yuav pab kom ntseeg tau tias cov hmoov ntws mus rau hauv cov txheej txheem compression. Qhov no yuav pab xyuas kom meej tias cov ntsiav tshuaj muaj qhov loj me thiab cov duab zoo ib yam.

Thaum kawg, HPMC yog siv los ua tus neeg sawv cev txheej hauv cov ntsiav tshuaj. Cov txheej txheem txheej pab tiv thaiv cov ntsiav tshuaj los ntawm cov dej noo thiab lwm yam ib puag ncig, uas yuav pab kom ntseeg tau tias cov ntsiav tshuaj nyob ruaj khov thaum khaws cia.

Hauv cov ntsiab lus, HPMC yog cov khoom siv dav siv hauv kev lag luam tshuaj, thiab siv rau hauv cov ntsiav tshuaj formulations rau ntau yam laj thawj. Nws yog siv los ua ib qho kev sib khi, disintegrant, lubricant, glidant, thiab coating agent, uas pab xyuas kom meej tias cov ntsiav tshuaj muaj qhov loj me thiab cov duab zoo, thiab nyob ruaj khov thaum khaws cia.


Post lub sij hawm: Feb-11-2023
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