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【Isingeniso】 Igama Lekhemikhali: I-Hydroxypropylmethyl cellulose (HPMC) Ifomula Yamamolekyuli: [C6H7O2(OH)3-mn(OCH3)m(OCH3CH(OH)CH3)n]x Ifomula Yesakhiwo: Lapho:R=-H, -CH3, noma -CH2CHOHCH3；X=izinga le-polymerization. Isifinyezo: HPMC 【Izimpawu】 1. I-cellulose encibilikayo emanzini, engeyona i-ionic c...Funda kabanzi»
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I-Cellulose ether iyi-polymer yokwenziwa eyenziwe nge-cellulose yemvelo njengezinto zokusetshenziswa ngokuguqulwa kwamakhemikhali. I-Cellulose ether iyi-derivative ye-cellulose yemvelo, ukukhiqizwa kwe-cellulose ether kanye ne-polymer yokwenziwa ihlukile, izinto zayo eziyisisekelo yi-cellulose, ama-polymer compounds emvelo. Ngenxa...Funda kabanzi»
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Ucwaningo nokuhlaziywa kwesimo samanje sokuthuthukiswa kwemboni ye-Cellulose ether eShayina. I-Cellulose ether eShayina yaqala sekwephuzile, amazwe athuthukile athuthuka kusenesikhathi imakethe isivuthiwe, okwamanje, amabhizinisi okukhiqiza i-cellulose ether adumile emhlabeni wonke ayizinto ezinkulu...Funda kabanzi»
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Ukwakheka kwamakhemikhali: i-cellulose ether compound I-AnxinCel™ I-Hydroxyethyl cellulose ether (HEC) iyiklasi lama-polymer angewona ama-ionic ancibilikayo emanzini. Isimo sayo esibonakalayo yimpuphu emhlophe egelezayo. I-HEC uhlobo lwe-hydroxylalkyl cellulose ether olukhiqizwa ukusabela kwe-cellulose ne-ethylene oxide ku-alka...Funda kabanzi»
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Indlela yokuhlola yezakhiwo kanye ne-viscosity ye-polymer powder RDP ephinde ihlakazeke, Emhlabeni wonke isetshenziswa kabanzi ukusabalalisa i-polymer powder RDP nge-vinyl acetate kanye ne-ethylene copolymerized emulsion powder, i-ethylene kanye ne-vinyl chloride kanye ne-lauric acid vinyl ester ternary copolymer powder, i-vinyl acetate kanye...Funda kabanzi»
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Inkampani iTiantai Cellulose igxile ocwaningweni, ekuthuthukisweni, ekukhiqizweni nasekukhuthazeni ukuthengiswa kwemikhiqizo ye-hydroxypropyl methyl cellulose ye-HPMC. Ubumsulwa be-HPMC hydroxypropyl methyl cellulose yisihloko somkhiqizo esibaluleke kakhulu kubakhiqizi nabasebenzisi. Lapha sibheka i-hydroxypropyl methyl cellu...Funda kabanzi»
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I-HPMC ibizwa ngokuthi i-hydroxypropyl methylcellulose. Umkhiqizo we-HPMC ukhetha i-cellulose kakotini emsulwa kakhulu njengezinto zokusetshenziswa futhi wenziwa nge-etherification ekhethekile ngaphansi kwezimo ze-alkaline. Yonke inqubo iqedwa ngaphansi kwezimo ze-GMP kanye nokuqapha okuzenzakalelayo, ngaphandle kwezithako ezisebenzayo ezingasetshenziswa...Funda kabanzi»
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I-Hydroxypropyl methyl cellulose (HPMC) viscosity ye-Skim coat? – impendulo: I-Skim coat ilungile ngokuvamile i-HPMC 100000cps, ephakeme kunemfuneko ku-mortar, ifuna ikhono lokusebenzisa i-150000cps. Ngaphezu kwalokho, i-HPMC iyindima ebaluleke kakhulu yokugcina amanzi, ilandelwe ukuqina. Ku-Skim coat, njenge...Funda kabanzi»
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1. Yiziphi izinkomba zobuchwepheshe eziyinhloko ze-hydroxypropyl methyl cellulose (HPMC)? HPMC Okuqukethwe kwe-hydroxypropyl kanye ne-viscosity, abasebenzisi abaningi bakhathazekile ngalezi zinkomba ezimbili. Ukugcinwa kwamanzi ngokuvamile kungcono kulabo abanokuqukethwe okuphezulu kwe-hydroxypropyl. I-viscosity ephezulu, ukugcinwa kwamanzi,...Funda kabanzi»
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Abasebenzisi abaningi abavamile ukunaka inkinga yokushisa kwejeli ye-hydroxypropyl methyl cellulose HPMC. Namuhla, i-hydroxypropyl methyl cellulose HPMC ngokuvamile ihlukaniswa nge-viscosity, kodwa kwezinye izindawo ezikhethekile kanye nezimboni ezikhethekile, i-viscosity yomkhiqizo kuphela ebonakala. N...Funda kabanzi»
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I-Hydroxypropyl methyl cellulose HPMC iyi-non-ionic cellulose ether eyenziwe nge-cellulose yemvelo ye-polymer ngokusebenzisa uchungechunge lwezinqubo zamakhemikhali. Ziyimpuphu emhlophe engenaphunga, engenambitheki futhi engenabuthi evuvukala ibe yisisombululo se-colloidal esicacile noma esinamafu kancane emanzini abandayo. Ine ...Funda kabanzi»
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Ku-mortar exutshwe ngomumo, inani lokwengeza le-hydroxypropyl methyl cellulose HPMC liphansi kakhulu, kodwa lingathuthukisa kakhulu ukusebenza kwe-mortar emanzi, okuyisengezo esikhulu esithinta ukusebenza kokwakhiwa kwe-mortar. Ama-ether e-cellulose ane-viscosity ehlukile kanye...Funda kabanzi»