Hydroxypropyl methylcellulose (HPMC)ke non-ionic cellulose ether e sebelisoang haholo lijong, meriana, kaho le masimo a mang. E entsoe ka selulose ea tlhaho ka ts'ebetso ea lik'hemik'hale joalo ka alkalization le etherification, 'me e na le litšobotsi tse latelang tsa mantlha:
4. Tikoloho le biocompatibility
Tšireletso ea tikoloho: HPMC ke thepa e ka senyehang habonolo 'me e baballa tikoloho.
Tšireletseho ea likokoana-hloko: E le motsoako oa lijo le lithethefatsi, e na le biocompatibility e ntle 'me ha e chefo ebile ha e na kotsi.
5. Ho feto-fetoha ha thepa ea 'mele
Thepa ea HPMC (e kang viscosity le mocheso oa gel) e ka fetoloa ka ho fetola tekanyo ea eona ea ho fetola (liteng tsa lihlopha tsa methoxy le hydroxypropyl) ho finyella litlhoko tse fapaneng tsa kopo.
6. Ho hanyetsa lik'hemik'hale
Ho hanyetsa letsoai: E tsitsitse ka har'a motsoako o itseng oa motsoako oa letsoai.
Ho hanyetsa ha Enzymatic: Ha ho bapisoa le cellulose ea tlhaho, HPMC e na le khanyetso e matla ho enzymatic hydrolysis.
Hydroxypropyl methylcellulose e 'nile ea sebelisoa haholo liindastering tse ngata tse kang lijo, meriana, le kaho ka lebaka la litšobotsi tsa eona tse babatsehang tsa' mele le lik'hemik'hale, litšoaneleho tsa mesebetsi e mengata, le tšebeliso e pharaletseng. Motsoako oa eona o ikhethang oa ho qhibiliha ha metsi, ho teteana, ho boloka metsi, le thepa ea ho etsa filimi e etsa hore e be ntho e ke keng ea nkeloa sebaka le ea bohlokoa.
Nako ea poso: Nov-29-2024