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IHydroxypropyl methylcellulose iyimpahla eluhlaza esetshenziswa kakhulu. Ikakhulukazi ekusetshenzisweni kwe-putty powder. Ziningi izakhiwo zomkhiqizo ezifana: ukumelana nosawoti, umsebenzi ongaphezulu, i-gelation eshisayo, ukuzinza kwe-PH, ukugcinwa kwamanzi, ukunamathela, njll. Nokho, i-hydroxypropyl methylcellulose nayo ijwayele ...Funda kabanzi»
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I-HPMC Ukubukeka kanye nezakhiwo: i-fibrous emhlophe noma emhlophe emhlophe noma i-granular powder Ukuminyana: 1.39 g/cm3 Ukunyibilika: cishe okungancibiliki ku-ethanol ephelele, i-ether, i-acetone; ukuvuvukala kusixazululo se-colloidal esicacile noma esinamafu kancane emanzini abandayo I-HPMC Ukuzinza: Okuqinile kuyavutha futhi akuhambisani...Funda kabanzi»
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Inkomba ye-viscosity ye-hydroxypropyl methylcellulose iyinkomba ebaluleke kakhulu. I-viscosity akumeleli ubumsulwa. I-viscosity ye-cellulose HPMC incike kunqubo yokukhiqiza. Izindawo ezihlukene zokusebenzisa kufanele zikhethe i-cellulose HPMC ene-viscosities ehlukene, hhayi ukuphakama kwe-vi...Funda kabanzi»
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Uyini umehluko phakathi kwe-hydroxypropyl methylcellulose (HPMC) ene-S noma ngaphandle kwayo? 1. I-HPMC ihlukaniswe yaba uhlobo olusheshayo futhi uhlobo lokuhlakazeka okusheshayo lwe-HPMC uhlobo lokusabalalisa ngokushesha luxhunywe nohlamvu S. Phakathi nenqubo yokukhiqiza, i-glyoxal kufanele yengezwe. Uhlobo olusheshayo lwe-HPMC alungezi noma iyiphi...Funda kabanzi»
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I-viscosity ephansi I-HPMC :i-HPMC 400 isetshenziselwa kakhulu udaka oluzilinganisa ngokwalo, kodwa ngokuvamile luyangeniswa kwamanye amazwe. Isizathu: I-viscosity iphansi, nakuba ukugcinwa kwamanzi kukubi, kodwa izinga lihle, futhi ukuminyana kodaka kuphezulu. I-viscosity emaphakathi nephansi: i-hydroxypropyl methylcellulose HPMC 20000-40000 ...Funda kabanzi»
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Ikotini elicwengekileyo-ukuvula-i-alkalizing-etherifying-neutralizing-ehlukanisa-i-washing-ehlukanisa, i-omisa-i-pulverizing-ukupakisha-iqedile ukuvuleka ukotini: ukotini ocwengiwe uvuliwe ukuze kukhishwe insimbi, bese ugxotshwa. Ukotini ocwengiwe ocwengiwe usesimweni sempushana, futhi usayizi wezinhlayiyana zawo ungama-mesh angama-80 ...Funda kabanzi»
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Ohlelweni lwangaphandle lwe-insulation odongeni, ngokuvamile luhlanganisa udaka olubophayo lwebhodi lokunamathisela kanye nodaka lokukhonkolo oluvikela ingaphezulu lebhodi lokwahlukanisa. Udaka oluhle oluhlanganisayo ludinga ukuba lula ukunyakaziswa, lusebenze kalula, lunganamatheli emmeseni, futhi lube ne-anti-sag enhle. ef...Funda kabanzi»
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IHydroxypropyl methylcellulose iyimpahla eluhlaza evamile embonini yamakhemikhali yezinto zokwakha. Ekukhiqizweni kwansuku zonke, singakwazi ukuzwa igama layo. Kodwa abantu abaningi abakwazi ukusetshenziswa kwayo. Namuhla, ngizochaza ukusetshenziswa kwe-hydroxypropyl methylcellulose ezindaweni ezahlukene. 1. Ukwakhiwa ...Funda kabanzi»
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Izincwadi ezihlobene ekhaya nakwamanye amazwe ekulungiseleleni izinto ezisizayo zemithi i-hydroxypropyl methylcellulose (HPMC) eminyakeni yamuva nje zibuyekezwe, zahlaziywa futhi zafingqwa, futhi ukusetshenziswa kwayo kumalungiselelo aqinile, amalungiselelo oketshezi, amalungiselelo okukhululwa aqhubekayo futhi alawulwayo, cishe...Funda kabanzi»
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Ngokuhlaziywa kanye nesifinyezo semiphumela yokuhlolwa kwe-cellulose ether ezahlukweni ezintathu, iziphetho eziyinhloko zimi kanje: 5.1 Isiphetho 1. Ukukhishwa kwe-cellulose ether kusuka ezintweni ezingavuthiwe zezitshalo (1) Izingxenye zezinto ezinhlanu zokusetshenziswa kwezitshalo (umswakama, umlotha, ukhuni). ikhwalithi, i-cellulose ne-hemicel ...Funda kabanzi»
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1 Isingeniso Selokhu kwavela odayi abasebenzayo, i-sodium alginate (SA) bekuyiyona ndlela eyinhloko yokunamathisela udayi ezindwangu zikakotini. Kusetshenziswa izinhlobo ezintathu ze-cellulose ethers i-CMC, i-HEC ne-HECMC elungiselelwe eSahlukweni 3 njengokunamathisela kwangempela, asetshenziswe ekuhlonipheni okuphrinta kodayi osebenzayo...Funda kabanzi»
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Ngokutadisha umphumela wemithamo ehlukene ye-hydroxypropyl methylcellulose (HPMC) ekuphrintekeni, izakhiwo ze-rheological kanye nezakhiwo zemishini zodaka lokunyathelisa lwe-3D, kwaxoxwa ngesilinganiso esifanele se-HPMC, futhi indlela yayo yethonya yahlaziywa yahlanganiswa ne-microscopic mor...Funda kabanzi»