Hydroxypropyl methylcellulose HPMC nwere ike melite njide mmiri nke ngwa agha. Mgbe ego mgbakwunye bụ 0.02%, a ga-abawanye ọnụego njide mmiri site na 83% ruo 88%; ego mgbakwunye bụ 0.2 %, ọnụ ọgụgụ njide mmiri bụ 97%. N'otu oge ahụ, obere ego nke HPMC na-ebelatakwa stratification na ọbara ọgbụgba nke ngwa agha, nke na-egosi na HPMC nwere ike ọ bụghị nanị na-eme ka njide mmiri nke ngwa agha dịkwuo mma, kamakwa na-eme ka ịdị n'otu nke ngwa agha dịkwuo mma, nke dị nnọọ ukwuu. bara uru ka uniformity nke ngwa agha ewu àgwà.
Agbanyeghị, hydroxypropyl methylcellulose HPMC nwere mmetụta na-adịghị mma na ike mgbanwe na ike mkpakọ nke ngwa agha ahụ. Site na mmụba nke mgbakwunye nke HPMC, ike mgbanwe na ike mkpakọ nke ngwa agha ji nwayọọ nwayọọ na-ebelata. N'otu oge ahụ, HPMC nwere ike ịbawanye ike ike nke ngwa agha. Mgbe ọnụọgụ HPMC na-erughị 0.1%, ike ike nke ngwa agha na-abawanye na mmụba nke usoro onunu ogwu HPMC. Mgbe ego ahụ gafere 0.1%, ike nkwụsị ahụ agaghị abawanye nke ukwuu. Hydroxypropyl Methyl
Cellulose HPMC na-abawanye ike njikọ nke ngwa agha ahụ. 0.2% HPMC mụbara ike njikọ nke ngwa agha site na 0.72 MPa ruo 1.16 MPa.
Nnyocha egosiwo na HPMC nwere ike ịgbatị oge mmeghe nke ngwa agha ahụ nke ukwuu, nke mere na ọnụ ọgụgụ nke ngwa agha na-adaba na-ebelata nke ukwuu, nke bara uru nke ukwuu maka ịmepụta tile bonding. Mgbe ejikọtaghị HPMC, ike njikọ nke ngwa agha na-ebelata site na 0.72 MPa ruo 0.54 MPa mgbe 20mins gasịrị, na ike njikọ nke ngwa agha na 0.05% na 0.1% HPMC ga-abụ 0.8 MPa na 0.84 MPa mgbe 20mins gasịrị. Mgbe ejikọtaghị HPMC, mwepu nke ngwa agha ahụ bụ 5.5mm. Site na mmụba nke ọdịnaya HPMC, mwepu ga na-ebelata. Mgbe usoro onunu ogwu bụ 0.2%, mwepu nke ngwa agha na-ebelata ka 2.1mm.
Oge nzipu: Mar-03-2022