Nnukwu viscosity nkeHpmcHydroxypylthyl methyl Cellulose, ka mma ka njigide mmiri. Vissiosis bu oke ihe di nkpa nke oru HPMC. Ka ọ dị ugbu a, ndị na-emepụta HPMC dị iche iche na-eji ụzọ dị iche iche na ngwa iji chọpụta viscosity nke HPMC. Ụzọ isi bụ isi Rotovisku, Hopler, Ubelbehde na Brookfield, wdg.
Maka otu ngwaahịa ahụ, ụzọ dị iche iche a na-atụpụta nsonaazụ vissity site na ụzọ dị iche iche, ụfọdụ na-enwe ọtụtụ esemokwu. Ya mere, mgbe a tụnyere viscosity, a ga-eme ya n'etiti otu usoro ule ahụ, gụnyere okpomọkụ, rotor, wdg.
N'ihi na urughuru nha, nke kachasị mma, mma njigide mmiri. Nnukwu ihe nke mkpụrụ osisi celluluse na-akpọtụrụ mmiri, na-agbazekwa na-emegharị ihe ahụ iji gbochie modeculas mmiri site na ịnọgide na-akpali akpali oge ụfọdụ, a na-adọpụ ogologo oge na-akpali akpali ma ọ bụ Agglomerate. A ga-enye ngbanye Ewer sel bụ otu n'ime ihe ịhọrọ ether ether. Nmapụta bụkwa ihe dị mkpa arụmọrụ arụmọrụ nke methyl cellulose ether. Mc maka ngwa ngwa ngwa agha chọrọ ntụ ntụ, ọdịnaya dị ala, na ịdị mma nke 20% ~ 60% na-erughị 63UM. Faconne na-emetụta mbọ nkeHpmchydroxyppylthyl methyl cellulose ether. Keadighi rariih na-abụkarị motur ma nwere ike belata na mmiri na-enweghị agglomerating, mana ọsọ na-adịghị ada ada, yabụ na ọ dịghị mma maka ngwa agha. Na akọrọ ngwa agha, mc na-agbasa n'etiti nchịkọta, ọfụma na ihe ciment dị ka ciment, na naanị ntụ ntụ dị mma nwere ike zere clumping nke methyl clasdose ether mgbe ị na-agwakọta mmiri. Mgbe mc na-agbakwunye mmiri iji gbuchapu Agglomerate, o siri ike ịgbasa ma gbazee ya. Mc na-adị oke ọnụ na-abụghị naanị ihe ijuanya, kamakwa na-ebelata ike mpaghara. Mgbe a rụrụ akọrọ ọkụ na nnukwu mpaghara, ngwa ngwa na-arịwanye elu nke ngwa agha a na-ebelata nke oge ọ na-akpata. Maka ngwa agha spraying ọgwụ, n'ihi mkpụmkpụ agwakọta, Funish dị elu.
N'ikwu na-ekwu, viscosity dị elu, ka mma idogide mmiri. Agbanyeghị, viscosity dị elu bụ, dị elu molecular arọ nke MC bụ, yana ịrụ ọrụ na-emetụta nke ọma, nke nwere mmetụta na-adịghị mma na ike na ngwa agha. The dị elu viscosity, ihe doro anya karị na-emetụta nke ngwa agha, mana ọ bụghị nke mmekọrịta ahụ. The dị elu viscosity, mgbochi mmiri ga-adị mkparị, ma owuwu ihe, arụmọrụ nke nnyapade scraper na ihe dị elu na ihe isi. Mana ọ baghị uru iwelie ike mgbochi mmiri nke ngwa agha. N'oge a na-ewu ihe, arụmọrụ mgbochi Sag apụtaghị. Kama nke ahụ, ụfọdụ viscosity na-agbanwe agbanwe ma na-agbanwe Ethers Celllise nwere arụmọrụ dị mma iji melite ike mgbanyụ mmiri.
A na-etinyekwu sel ether na ngwa agha ahụ, ọ dị mma iji njigide mmiri dị mma, dị elu na viscosity, arụmọrụ ka mma.
Ọkacha nke HPMC nwekwara ụfọdụ mmetụta na njigide mmiri ya, na-ekwukarị otu ụdị viscosity ya, maka otu viscosity na njupụta nke methy, n'ihe banyere mgbakwunye, ọ na-eme ka otu ego ahụ dị mma dị mma.
Njikọ mmiri nke HPMC na-emetụtakwa ọnọdụ okpomọkụ nke iji, na mmiri na-ejigide ethrlose ether na-agbadata na ịrị elu nke okpomọkụ. Ma na ngwa eme ihe, ọtụtụ ebe ngwa agha akọrọ na-enwekarị na oke okpomọkụ (dị elu karịa ogo 40) n'okpuru ebe a na-ewu ewu na mpụga plasta mgbidi, nke na-eme ngwa ngwa nke ciment na ngwa agha gbagwojuru anya. Ọnụ mbe na-agbadata nke ọnụego njikọta mmiri na-eduga na mmetụta pụtara ìhè na nrugide na-agba mbọ. Na ọnọdụ a, ibelata mmetụta nke ihe ndị zuru oke na-akatọkarị isi. Ọ bụ ezie na mgbakwunye nke methythyythyythyythythythythyythythyth cellulose Ether na-ebute ụzọ mmepe teknụzụ, ọ dabere na ọnọdụ okpomọkụ ka na-eme ka ihe ndị a kpọrọ nkụ. Ọbụna na mmụba nke Methylyythyythythythyth Cellulose dosage dosage (usoro ọkọchị), owuwu na ịgbagide iguzogide mkpa iji. Site na ọgwụgwọ pụrụ iche nke MC, dị ka ịbawanye ogo ogo, njikọta mmiri nke Mc nwere ike ịdị na-enwe mmetụta dị mma n'okpuru ọnọdụ dị elu.
Oge Post: Mee-18-2022