Hydroxypropyl Methyl Cellulose HPMC Fahimtar Fayil

Babban nuna gaskiya da kwanciyar hankali.

HPMC yana da mallakar thermal gelation. Maganin ruwa na samfurin yana mai zafi don samar da gel kuma yana hazo, sannan ya narke bayan sanyaya. Yanayin gelation na ƙayyadaddun bayanai daban-daban ya bambanta. Solubility ya bambanta da danko. Ƙananan danko, mafi girma da solubility. Bayanai daban-daban na HPMC suna da wasu bambance-bambance a cikin kaddarorin su, kuma ƙimar pH ba ta shafar rushewar HPMC a cikin ruwa.

Girman barbashi: 100 raga izinin wucewa ya fi 98.5%.

Girman girma: 0.25-0.70g / (yawanci game da 0.4g /), takamaiman nauyi 1.26-1.31.

Zazzabi mai launi: 200-200 ° C,

Carbonization zafin jiki: 280-300 ° C.

Methoxy darajar 19.0% zuwa 30.0%,

Hydroxypropyl darajar 4% zuwa 12%.

Dankowa (22 ℃, 2%) 5 ~ 200000mPa.s.

Gel zafin jiki (0.2%) shine 50-90 ° C.

HPMC yana da halaye na thickening ikon, gishiri fitarwa, PH kwanciyar hankali, ruwa riƙewa, girma da kwanciyar hankali, m film-kafa dukiya da fadi da kewayon enzyme juriya, dispersibility da cohesiveness.