Atụmatụ izugbe maka mmetụta ngwa nke HPMC bụ nke a

Atụmatụ izugbe maka mmetụta ngwa nke HPMC bụ nke a:

A na-ebelata ike mmeghari nke mmeghachi omume na nzọụkwụ a, ebe a na-eme ka mmiri nke ngwakọta mmeghachi omume dịkwuo mma, na-edozi ntụpọ nke obere mkpụrụ nke mmeghachi omume methylation na usoro mbụ. N'ihe atụ, site na nyocha na ngwa nke reactor na-arụ ọrụ siri ike, a na-emepụta ihe ndị hydroxypropyl methylcellulose phthalate.
Otu bụ ịghọ onye inyeaka na-arụ ọrụ nke ọma, melite mmepụta mmeghachi omume, na ịchịkwa ọgbọ mmeghachi omume n'akụkụ,
Nke abụọ, dị ka ihe na-akpali akpali, HPMC na-eji dị ka onye na-arụ ọrụ nke ọma na-akwalite ịdị ọcha nke reactants na mmeghachi omume mmeghachi omume, nke mere na mmeghachi omume mmeghachi omume nwere ike mụbaa ruo 98%. Ọnụego ojiji nke akụrụngwa na-abawanye ruo 95% site na iji hydroxypropyl methyl cellulose dị ka onye na-enyere aka, nke na-ekwe nkwa nkwadebe nke hydroxypropyl methyl cellulose phthalate ma na-egbochi agglomeration n'etiti ụmụ irighiri ihe na usoro ọgwụgwọ post.
Nke atọ bụ iji dozie nsogbu nke obere mkpụrụ nke usoro mbụ. Nnwale onye nnọchi anya bụ iji belata oriri nke eriri owu raw sitere na 1.05t / t nke usoro izizi na 0.94t / t n'oge mmeghachi omume phthalic acid. Enwere ike wepu ihe mgbaze acetic acid fọdụrụnụ. A mụbara mkpụrụ nke nzọụkwụ a ruo 95%.

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