Agbasara hydroxypropyl methyl cellulose HPMC n'ime ngwa agha mmiri

Soluble hydroxypropyl methyl cellulose (HPMC) bụ ụdị ether na-abụghị ionic cellulose ether, nke sitere na polymer cellulose eke sitere na usoro nhazi kemịkal. Hypromellose (HPMC) bụ ntụ ntụ na-acha ọcha nke na-agbaze na mmiri oyi iji mepụta ihe ngwọta na-enweghị atụ, viscous. Ọ nwere ihe onwunwe nke ndim, adhesion, dispersion, emulsification, film forming, nkwusioru, adsorption, gelation, elu ọrụ, mmiri njigide na colloid nchebe. Njide mmiri bụ ihe dị mkpa nke hypromellose HPMC, nke na-emetụtakwa ọtụtụ ndị na-emepụta ngwa agha agwakọta mmiri na China. Ihe ndị na-emetụta njide mmiri nke ngwa ngwa agwakọta mmiri na-agụnye ọnụọgụ HPMC, viscosity nke HPMC, nha nha na okpomọkụ nke gburugburu ebe obibi. Hypromellose HPMC na-arụ ọrụ dị mkpa na ngwa agha n'akụkụ atọ: njigide mmiri ya dị mma, mmetụta ya na nkwụsị ngwa ngwa na thixotropy, yana mmekọrịta ya na ciment. Ọrụ na-ejigide mmiri nke cellulose ether na-adabere na ntinye mmiri nke isi, ihe mejupụtara nke ngwa agha, ọkpụrụkpụ nke ngwa agha, mkpa mmiri nke ngwa agha na oge nhazi nke ihe nhazi. Ka hypromellose na-apụtawanye ìhè, ka mma na-ejigide mmiri.

Ihe ndị na-emetụta njide mmiri nke ngwa agha gụnyere viscosity nke cellulose ether, ego mgbakwunye, ihe dị mma na okpomọkụ ọrụ. Ka viscosity nke cellulose ether dị ukwuu, otú ahụ ka njigide mmiri dị mma. Viscosity bụ oke dị mkpa nke arụmọrụ HPMC. Maka otu ngwaahịa ahụ, a tụrụ site na ụzọ dị iche iche nke nsonaazụ viscosity dịgasị iche iche, ụfọdụ na-adịkwa okpukpu abụọ karịa. Ya mere, mgbe atụnyere viscosity, ga-adị na otu ule usoro n'etiti, gụnyere okpomọkụ, rotor na na. N'ikwu okwu n'ozuzu, ka viscosity dị elu, ka mma na-ejide mmiri. Otú ọ dị, ka elu viscosity bụ, elu nke molekụla arọ nke HPMC bụ, solubility nke HPMC ga-ebelata otú ahụ, nke nwere mmetụta ọjọọ na ike na ewu arụmọrụ nke ngwa agha. The elu viscosity, mma ndim mmetụta nke ngwa agha, ma ọ bụghị nhata na mmekọrịta. Nke dị elu nke viscosity, otú ahụ ka viscous nke mmiri mmiri ga-adị, ma maka ihe owuwu, arụmọrụ nke ịrapara scraper na elu adhesion na mkpụrụ. Mana ọ naghị enye aka ịbawanye ike nhazi nke ngwa agha mmiri n'onwe ya. Abụọ ihe owuwu, arụmọrụ maka arụ ọrụ mgbochi sagging. N'ụzọ dị iche, ụfọdụ hypromellose gbanwetụrụ na viscosity dị ala na nke ọkara egosila ọmarịcha arụmọrụ n'ịkwalite ike nhazi nke ngwa agha mmiri. Ọdịnaya dị elu nke cellulose ether na ngwa agha, ka mma nke mmiri na-ejide mmiri, na-eme ka viscosity dị elu na mma na-ejide mmiri. Ịdị mma bụkwa ihe ngosi arụmọrụ dị mkpa maka hypromellose. Ịdị mma nke hypromellose nwekwara mmetụta ụfọdụ na ikike ijide mmiri ya. N'ozuzu, maka hypromellose nwere otu viscosity ma dị iche iche mma, n'okpuru otu ihe mgbakwunye ego, mma mma mma, mma njigide mmiri mmetụta.

Na ngwa agha agwakọta mmiri, mgbakwunye nke cellulose ether HPMC dị obere, mana ọ nwere ike melite arụmọrụ nke ngwa agha agwakọta mmiri. Nhọrọ nke ọma nke hypromellose nwere mmetụta dị ukwuu na arụmọrụ nke ngwa agha agwakọta mmiri.