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Ukumelana nokuhlakazeka kuyinkomba ebalulekile yobuchwepheshe yokulinganisa ikhwalithi ye-anti-dispersant. I-Hydroxypropyl methyl cellulose iyinhlanganisela ye-polymer encibilikayo emanzini, eyaziwa nangokuthi i-resin encibilikayo emanzini noma i-polymer encibilikayo emanzini. Yandisa ukuqina kwengxube ngokwandisa i-vi...Funda kabanzi»
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Iyini isilinganiso se-HPMC Hydroxypropyl methyl cellulose kanye ne-cement? Udaka lokuvikela ubunjiniyela olungangeni manzi, izici zalo zincike esisindweni esilandelayo sezinto zokusetshenziswa ezenziwe: Ukhonkolo 30-340, imfucuza yezitini zokwakha ubunjiniyela 40-50, i-lignin fiber 20-24, i-calcium formate 4-6, ...Funda kabanzi»
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Ingabe i-HPMC ne-CMC zingaxuba i-Methyl cellulose emhlophe noma emhlophe njengempuphu enemicu noma e-granular; Ayinaphunga, ayinambitheki. Lo mkhiqizo emanzini uyavuvukala ube yisisombululo se-colloidal esicacile noma esinamafu kancane; Awuncibiliki ku-ethanol ephelele, i-chloroform noma i-diethyl ether. Uyasakazeka ngokushesha futhi uvuvuke emanzini ashisayo...Funda kabanzi»
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Indlela yokusebenzisa i-hydroxyethyl cellulose kupende we-latex 1. I-Hydroxyethyl cellulose ene-porridge efana ne-phenology: ngoba i-hydroxyethyl cellulose ayincibiliki kalula ezincibilikisini eziphilayo, ezinye izincibilikisi eziphilayo zingasetshenziswa ukuhlomisa i-porridge. Amanzi eqhwa nawo ayincibilikisi embi, ngakho-ke avame ukusetshenziswa...Funda kabanzi»
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I-Hydroxyethyl cellulose (HEC) ihlala incibilika emanzini kakhulu ebangeni elibanzi lokushisa, ngisho nasezindaweni ezishisa kakhulu lapho amanye ama-non-ionic chemically modified cellulose ethers afana ne-methyl cellulose (MC) kanye ne-hydroxypropyl methyl cellulose (HpMC) ekhombisa amaphuzu okungcola. Ukuze kucaciswe i-c...Funda kabanzi»
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Ifilimu ye-Hydroxypropyl methylcellulose (HPMC) isebenza kahle kakhulu, kodwa ngenxa yokuthi i-HPMC iyijeli yokushisa, i-viscosity ekushiseni okuphansi iphansi kakhulu, okungavumeli ukumbozwa (noma ukucwiliswa) nokomiswa ekushiseni okuphansi ukuze kulungiselelwe ifilimu edliwayo, okuholela ekusebenzeni kabi kokucubungula; ku ...Funda kabanzi»
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Ekuhlolweni nasekukhiqizweni ngobuningi kwamaphilisi e-nifedipine akhishwa isikhathi eside, amaphilisi okuvimbela inzalo, amaphilisi e-stomachicangning, amaphilisi e-ferrous fumarate, amaphilisi e-buflomedil hydrochloride, njll., sisebenzisa uketshezi lwe-hydroxypropyl methylcellulose (HPMC), i-Hydroxypropyl methylcellulose kanye ne-polyacrylic acid resin...Funda kabanzi»
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I-Hydroxypropyl methylcellulose (HPMC) isetshenziswa njengenye yezinto ezinkulu kakhulu ezisetshenziswa kwezokwelapha ekhaya nakwamanye amazwe. I-HPMC ingasetshenziswa njenge-ejenti yokwakha ifilimu, i-glue, i-ejenti yokukhulula eqhubekayo, i-suspension agent, i-emulsifier, i-ejenti yokuhlakazeka, njll. Izinto ezisetshenziswa kwezokwelapha ziyingxenye ebalulekile ye-p...Funda kabanzi»
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Ngokuphathelene nenkinga yokushisa kwejeli ye-Hydroxypropyl Methyl Cellulose HPMC, abasebenzisi abaningi abavamile ukunaka inkinga yokushisa kwejeli ye-Hydroxypropyl Methyl Cellulose. Namuhla, i-Hydroxypropyl Methyl Cellulose ngokuvamile ihlukaniswa ngokwe-viscosity yayo, kodwa...Funda kabanzi»
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1. Ukuhlukaniswa: I-HPMC ingahlukaniswa ngohlobo olusheshayo kanye nohlobo oluncibilikayo olushisayo. Imikhiqizo yohlobo olusheshayo isakazeka ngokushesha emanzini abandayo bese inyamalala emanzini. Ngalesi sikhathi, uketshezi alunawo umswakama, ngoba i-HPMC isakazeka emanzini kuphela futhi ayinakuncibilika kwangempela. Ngemva kwemizuzu engaba ngu-2, ...Funda kabanzi»
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I-Hydroxypropyl methylcellulose (HPMC) iyi-non-ionic cellulose ether eyenziwe nge-cellulose yemvelo ye-polymer ngokusebenzisa uchungechunge lwezinqubo zamakhemikhali. Ziyimpuphu emhlophe engenaphunga, engenambitheki futhi engenabuthi evuvukala emanzini abandayo ibe yisisombululo se-colloidal esicacile noma esinomswakama kancane. Ine-pro...Funda kabanzi»
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Hlanza ingemuva lethayela kuqala. Uma amabala, ungqimba oluntantayo kanye nempuphu yokukhulula eseleyo ngemuva kwamathayela kungahlanzwa, kulula ukuqoqana bese kwehluleka ukwakha ifilimu ngemva kokufakwa kwe-glue. Isikhumbuzo esikhethekile, amathayela ahlanziwe angapendwa nge-glue kuphela ngemva kokuba...Funda kabanzi»