Ọtụtụ ndị na-eji ya anaghị eleba anya na nsogbu nke okpomọkụ gel nke hydroxypropyl methylcellulose. Taa, a na-ahụkarị hydroxypropyl methylcellulose dịka viscosity si dị, mana maka ụfọdụ gburugburu pụrụ iche na ụlọ ọrụ pụrụ iche, naanị viscosity nke ngwaahịa ahụ ka a na-egosipụta. Ezughi oke, nke a na-egosi obere oge okpomọkụ gel nke hydroxypropyl methylcellulose.
Ọdịnaya methyl acid metụtara kpọmkwem na ọkwa ester nke cellulose ester, a na-agbanwekwa ọdịnaya nke methyl acid iji chịkwaa nhazi, okpomọkụ mmeghachi omume na oge mmeghachi omume. N'otu oge ahụ, ọkwa nke ngwọta ether na-emetụta ọdịnaya nke hydroxyethyl ma ọ bụ hydroxyapatite. Ya mere, cellulose ethers na okpomọkụ dị elu nke gel ga-adị obere mmiri mmiri. Usoro mmepụta a ga-abụrịrị nke a na-ahụ anya, yabụ kama ọkwa dị ala nke methoxides, cellulose ethers ga-adị ntakịrị elu na ọnụ ahịa.
E jiri methoxide na hydroxyproazepam mee ihe na hydroxyproxin iji chọpụta okpomọkụ jel. Naanị otu atọ ka enwere ike iji cellulose dochie. Chọta okpomọkụ kwesịrị ekwesị, chekwaa iru mmiri, ma chọpụta ụdị pulp. Okpomọkụ nke jel bụ isi ihe dị mkpa maka iji cellulose ether. Mgbe okpomọkụ gburugburu ebe obibi gafere okpomọkụ jel, a ga-ewepụta cellulose ether na mmiri. Okpomọkụ nke pulp dị n'ahịa bụ isi ihe kpatara mkpa nke ngwọta ahụ na gburugburu ebe obibi (ma e wezụga maka ọnọdụ pụrụ iche). A kwenyere na mgbe a na-etinye ngwọta ahụ, ọ dịghị mkpa ịṅa ntị nke ọma na ihe ngosi arụmọrụ mgbe ị na-eji jel. N'ezie, onye na-emepụta cellulose ether kwesịrị iburu n'uche ihe ngosi a.
Oge ozi: Eprel-21-2023