Mokhoa oa ho qhibiliha oa Hydroxypropyl methylcellulose (HPMC):

Ha lihlahisoa tsa hydroxypropyl methylcellulose (HPMC) li kenngoa ka ho toba metsing, li tla kopanya ebe li qhibiliha, empa ho qhibiliha hona ho lieha haholo ebile ho thata.Ho na le mekhoa e meraro e khothaletsoang ea ho qhala ka tlase, 'me basebelisi ba ka khetha mokhoa o bonolo ka ho fetisisa ho latela ts'ebeliso ea bona:

1. Mokhoa oa metsi a chesang: Kaha hydroxypropyl methylcellulose (HPMC) ha e qhale metsing a chesang, mohato oa pele oa hydroxypropyl methylcellulose (HPMC) o ka qhalakanngoa ka mokhoa o ts'oanang metsing a chesang, 'me ha o pholile, mekhoa e meraro e tloaelehileng e hlalosoa e le. e latela:

1).Kenya palo e hlokahalang ea metsi a chesang ka har'a sets'oants'o 'me ue chese ho isa ho 70°C.Butle-butle eketsa hydroxypropyl methylcellulose (HPMC) tlas'a ho sisinyeha butle, hydroxypropyl methylcellulose (HPMC) e qala ho phaphamala holim'a metsi, ebe butle-butle e etsa slurry, e pholile slurry tlas'a ho sisinyeha.

2).Chesa 1/3 kapa 2/3 (tekanyo e hlokehang) ea metsi ka har'a sets'oants'o ebe o se futhumatsa ho 70 ° C.Ho ea ka mokhoa oa 1), qhala hydroxypropyl methylcellulose (HPMC) ho lokisetsa slurry ea metsi a chesang;Ebe u eketsa palo e setseng ea metsi a batang kapa metsi a leqhoa ka har'a setshelo, ebe u eketsa metsi a chesang a hydroxypropyl methylcellulose (HPMC) a slurry ho metsi a batang, 'me u hlohlelletse, ebe o pholile motsoako.

3).Kenya 1/3 kapa 2/3 ea palo e hlokahalang ea metsi ka har'a sets'oants'o ebe o se futhumatsa ho 70 ° C.Ho ea ka mokhoa oa 1), qhala hydroxypropyl methylcellulose (HPMC) ho lokisetsa slurry ea metsi a chesang;Nako e setseng ea metsi a batang kapa a leqhoa e ntan'o kenngoa metsing a chesang a slurry 'me motsoako o pholile ka mor'a ho tsosoa.

2. Mokhoa oa ho kopanya phofo: likaroloana tsa phofo ea hydroxypropyl methylcellulose (HPMC) le palo e lekanang kapa e kholo ea metsoako e meng ea phofo e qhalakanngoa ka ho feletseng ka ho kopanya ho omileng, ebe e qhibiliha ka metsing, ebe hydroxypropyl methylcellulose Base cellulose (HPMC) e ka qhibiliha ntle le ho kopanya. .3. Mokhoa oa ho kolobisa oa motsoako oa motsoako: pele o qhalakana kapa o metsi hydroxypropyl methylcellulose (HPMC) ka li-solvents tse kang ethanol, ethylene glycol kapa oli, ebe o li qhaqha ka metsing.Ka nako ena, hydroxypropyl methylcellulose (HPMC) le eona e ka qhaloa hantle.