Iwuli hydroxypropyl methyl cellulose pụrụ iche iji zere mmiri ịbanye na mgbidi, ga-abụ naanị oke mmiri kwesịrị ekwesị nwere ike ịnọ na simenti simenti na-emepụta arụmọrụ dị mma na mmiri na ọrụ nke hydroxypropyl methyl cellulose na ngwa agha nwere ike ịbụ nha nhata na viscosity, ka viscosity dị elu nke hydroxypropyl methyl cellulose mmiri ga-aka mma.
Ozugbo mmiri nke hydroxypropyl methyl cellulose dị oke elu, njigide mmiri nke hydroxypropyl methyl cellulose ga-ebelata, ọ ga-emekwa ka hydroxypropyl methyl cellulose rụọ ọrụ nke ọma. Anyị makwaara na ihe ndị a ga-adị mfe imehie, anyị kwesịrị ịnọgide na-adị ọhụrụ mgbe niile, anyị ga-enweta ihe a na-atụghị anya ya.
Ọdịdị viscosity a na-ahụ anya bụ ihe dị mkpa nke hydroxypropyl methyl cellulose. Ụzọ ndị a na-ejikarị atụ bụ nha viscosity ntụgharị, nha viscosity capillary na nha viscosity ọdịda.
Na mbụ, a na-eji nha viscosity capillary achọpụta hydroxypropyl methyl cellulose, site na iji Uhnscher viscometer. Ngwọta nha na-abụkarị mmiri mmiri nke 2, usoro ahụ bụkwa: V=Kdt. V bụ viscosity na sekọnd, K bụ ihe na-agbanwe agbanwe nke viscometer, D bụ njupụta na okpomọkụ na-agbanwe agbanwe, na T bụ oge ọ na-ewe iji gaa site n'elu ruo ala nke viscometer na sekọnd. Ụzọ a na-arụ ọrụ siri ike karị, ọ bụrụ na enwere ihe na-anaghị agbaze agbaze, ọ dị mfe ịkpata njehie, ọ na-esiri ike ịchọpụta àgwà nke hydroxypropyl methylcellulose.
Nsogbu nke iwuli gluu bụ nnukwu nsogbu nke ndị ahịa na-enwe. Nke mbụ, a ga-atụle nsogbu nke ihe eji arụ ọrụ maka iwuli gluu. Isi ihe kpatara iwuli gluu bụ enweghị nkwekọ dị n'etiti polyvinyl alcohol (PVA) na hydroxypropyl methylcellulose (HPMC). Ihe nke abụọ bụ na oge ịgwakọta ezughị; E nwekwara arụmọrụ nke gluu ụlọ adịghị mma.
Mgbe a na-arụ gluu, a ga-eji ngwa ngwa hydroxypropyl methylcellulose (HPMC) mee ihe n'ihi na a na-agbasa HPMC naanị n'ime mmiri ma ọ naghị agbaze nke ọma. Ihe dị ka nkeji abụọ, viscosity nke mmiri ahụ na-abawanye nwayọ nwayọ, na-emepụta viscous colloid doro anya.
A pụrụ ịgbasa ngwaahịa ndị na-agbaze ọkụ, n'ime mmiri oyi, ngwa ngwa n'ime mmiri ọkụ, pụọ n'ime mmiri ọkụ, mgbe okpomọkụ dara ruo n'ọnọdụ okpomọkụ ụfọdụ, viscosity na-apụta nwayọ nwayọ, ruo mgbe e guzobere viscous colloid doro anya. A na-atụ aro ka etinye ego mgbakwunye Hydroxypropyl methylcellulose (HPMC) na gluu ụlọ maka 2-4kg.
Hydroxypropyl methyl cellulose (HPMC) dị na gluu ụlọ ahụ, nkwụsi ike kemịkalụ, na mmetụta njigide mmiri dị mma, mgbanwe PH anaghị emetụta ya, enwere ike iji viscosity site na 100 000 S – 200 000 S. Mana n'ime mmepụta ahụ, viscosity ka mma, viscosity na ike njikọ dị n'otu ụzọ ahụ, viscosity ka elu, ike dị obere, n'ozuzu viscosity 100,000S kwesịrị ekwesị.
Oge ozi: Sep-16-2022