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【Isingeniso】 Igama Lekhemikhali :Hydroxypropylmethyl cellulose (HPMC) I-Molecular Formula :[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 【Izici】 1. Amanzi ancibilikayo, i-non-ionic cellulose c...Funda kabanzi»
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I-Cellulose ether iyi-polymer yokwenziwa eyenziwe nge-cellulose yemvelo njengempahla eluhlaza ngokuguqulwa kwamakhemikhali. I-Cellulose ether iphuma ku-cellulose yemvelo, ukukhiqizwa kwe-cellulose ether kanye ne-polymer yokwenziwa kwehlukile, impahla yayo eyisisekelo i-cellulose, izinhlanganisela ze-polymer zemvelo. Ngenxa ye-t...Funda kabanzi»
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Ucwaningo nokuhlaziywa kwesimo samanje sokuthuthukiswa kwemboni ye-Cellulose ether e-China.I-Cellulose ether e-China yaqala sekwephuzile, amazwe athuthukile athuthukisa imakethe yangaphambi kwesikhathi isivuthiwe, okwamanje, amabhizinisi okukhiqiza i-cellulose ether aziwa kakhulu emhlabeni jikelele abaluleke kakhulu. .Funda kabanzi»
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Ukwakheka kwamakhemikhali: i-cellulose ether compound I-QualiCell™ I-Hydroxyethyl cellulose ether (HEC) iyikilasi lama-polymer angewona ama-ionic ancibilika emanzini. Indlela ebonakala ngayo iyimpushana emhlophe egelezayo. I-HEC iwuhlobo lwe-hydroxylalkyl cellulose ether ekhiqizwa ukusabela kwe-cellulose nge-ethylene oxide ku-al...Funda kabanzi»
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Indlela yokuhlola yezakhiwo kanye ne-viscosity ye-polymer powder RDP ehlakazeka kabusha, Emhlabeni jikelele isetshenziswa kabanzi ukuhlakaza i-polymer powder RDP nge-vinyl acetate ne-ethylene copolymerized emulsion powder, i-ethylene ne-vinyl chloride ne-lauric acid vinyl ester ternary copolymer powder, i-vinyl acetate kanye...Funda kabanzi»
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Inkampani ye-Tiantai Cellulose igxile ocwaningweni, ekuthuthukisweni, ekukhiqizeni nasekukhuthazeni ukuthengisa kwemikhiqizo ye-hydroxypropyl methyl cellulose HPMC. Ukuhlanzeka kwe-HPMC hydroxypropyl methyl cellulose yisihloko somkhiqizo esithinteka kakhulu kubakhiqizi nabasebenzisi. Lapha sithola i-hydroxypropyl methyl cellu...Funda kabanzi»
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I-HPMC ibizwa nge-hydroxypropyl methylcellulose. Umkhiqizo we-HPMC ukhetha i-cotton cellulose emsulwa kakhulu njengempahla eluhlaza futhi wenziwa nge-etherification ekhethekile ngaphansi kwezimo ze-alkali. Yonke inqubo iqedwa ngaphansi kwezimo ze-GMP nokuqapha okuzenzakalelayo, ngaphandle kwanoma yiziphi izithako ezisebenzayo suc...Funda kabanzi»
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I-Hydroxypropyl methyl cellulose (HPMC) viscosity ye-Skim coat ? - impendulo: Ijazi le-Skim lilungile ngokujwayelekile i-HPMC 100000cps, ubude obuthile bemfuneko odakeni, lifuna ikhono lokusebenzisa i-150000cps. Ngaphezu kwalokho, i-HPMC iyindima ebaluleke kakhulu yokugcina amanzi, okulandelwa ukujiya. Ejazini le-Skim, njenge...Funda kabanzi»
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1. Yiziphi izinkomba zobuchwepheshe eziyinhloko ze-hydroxypropyl methyl cellulose (HPMC)? Okuqukethwe kwe-HPMC Hydroxypropyl kanye ne-viscosity, abasebenzisi abaningi bakhathazekile ngalezi zinkomba ezimbili. Ukugcinwa kwamanzi ngokuvamile kungcono kulabo abanokuqukethwe okuphezulu kwe-hydroxypropyl. I-viscosity ephezulu, ukugcinwa kwamanzi, kabusha ...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 yi-viscosity, kodwa kwezinye izindawo ezikhethekile nezimboni ezikhethekile, i-viscosity yomkhiqizo kuphela ibonakala. N...Funda kabanzi»
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I-Hydroxypropyl methyl cellulose HPMC iyi-ether engeyona ionic cellulose eyenziwe nge-cellulose yezinto ze-polymer yemvelo ngochungechunge lokucutshungulwa kwamakhemikhali. Ziyimpushana emhlophe engenaphunga, enganambitheki futhi engenabuthi evuvukala ibe isixazululo se-colloidal esicacile noma esithe ukubanda emanzini abandayo. Ine ...Funda kabanzi»
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Odakeni osulungile, inani elingeziwe le-hydroxypropyl methyl cellulose HPMC liphansi kakhulu, kodwa lingathuthukisa kakhulu ukusebenza kodaka olumanzi, okuyisengezo esikhulu esithinta ukusebenza kokwakhiwa kodaka. Ama-cellulose ether ane-viscosity ehlukene kanye...Funda kabanzi»