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Izakhiwo ezijwayelekile zama-cellulose ethers amabili anikezwe kuMfanekiso 1.1 no-1.2. Igilebhisi ngalinye eliphelelwe amanzi ngo-β-D we-molecule ye-cellulose Iyunithi kashukela (iyunithi ephindaphindayo ye-cellulose) ishintshwa ngeqembu elilodwa le-ether ngalinye endaweni ye-C(2), C(3) kanye no-C(6), okungukuthi kufika kokuthathu. iqembu le-ether. Ngoba o...Funda kabanzi»
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Kokubili i-hydroxypropyl methylcellulose ne-hydroxyethyl cellulose kuyi-cellulose, yini umehluko phakathi kwakho kokubili? "Umehluko Phakathi kwe-HPMC ne-HEC" 01 HPMC kanye ne-HEC Hydroxypropyl methylcellulose (Hypromellose), eyaziwa nangokuthi i-hypromellose, iwuhlobo lwe-non-ionic cellulose exutshwe ...Funda kabanzi»
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Izakhiwo eziyinhloko ze-hydroxyethyl cellulose ukuthi inyibilika emanzini abandayo namanzi ashisayo, futhi ayinazo izakhiwo ze-gelling. Inezinhlobonhlobo eziningi ze-substitution degree, i-solubility kanye ne-viscosity. imvula. Isixazululo se-Hydroxyethyl cellulose singakha ifilimu esobala, futhi inesici...Funda kabanzi»
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Iqhaza le-hydroxypropyl methylcellulose ku-putty Ukusuka ekuqineni, ukugcinwa kwamanzi kanye nokwakhiwa kwemisebenzi emithathu. Ukuqina: I-Cellulose ingajiywa ukuze imiswe, igcine iyunifomu yesisombululo futhi ingaguquki, futhi imelane nokuwohloka. Ukugcinwa kwamanzi: Yenza i-putty powder yome kancane, futhi usize ...Funda kabanzi»
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Ama-cellulose ether asetshenziswa kakhulu ahlanganisa i-HEC, i-HPMC, i-CMC, i-PAC, i-MHEC nokunye okunjalo. I-non-ionic water-soluble cellulose ether inokunamathela, ukuzinza kokuhlakazeka kanye namandla okugcina amanzi, futhi iyisengezo esisetshenziswa kakhulu ezintweni zokwakha. I-HPMC, i-MC noma i-EHEC isetshenziswa ezindaweni eziningi ezisekelwe kusimende noma ku-gyp...Funda kabanzi»
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I-Hydroxypropyl methylcellulose (HPMC) Isigaba: izinto zokumboza; Impahla ye-membrane; Izinto ze-polymer ezilawulwa ngokushesha zokulungiselela ukukhishwa kancane; I-ejenti yokuzinzisa; Usizo lokumiswa, ingcina yethebhulethi; I-ejenti yokunamathela eqinisiwe. 1. Isingeniso somkhiqizo Lo Mkhiqizo AYINA-IONIC CELLULOSE ETHER...Funda kabanzi»
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I-Hydroxypropyl methylcellulose iyingozi Izinto ezingavuthiwe ze-hydroxypropyl methyl cellulose ukotini ocolisisiwe. Akuyona ingozi emzimbeni womuntu. Izonamathela ekhaleni uma isondelene, kodwa ngeke ingene emaphashini. Uma usebenza efektri, kunconywa ukuthi ugqoke imaski. IHydroxyp...Funda kabanzi»
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Ukwakha i-hydroxypropyl methyl cellulose ekhethekile ukugwema ukungena komswakama odongeni, kuyoba nje inani elifanele lomswakama lingahlala kusimende wodaka ukukhiqiza ukusebenza okuhle emanzini kanye nendima ye-hydroxypropyl methyl cellulose odakeni ingaba ngokulingana ne-viscosi. ..Funda kabanzi»
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821 putty formula: 821 isitashi kwaba 3.5 kg 2488 3kg Hpmc kuyinto 2.5 kg Formula of plaster coating: 600kg blue gypsum, Impushana enkulu emhlophe 400kg, Guar gum 4kg, Wood fiber 2kg, HPMC2kg, Inani elifanele citric acid. Ngokusekelwe kufomula ephakanyisiwe ngokuya ngesimo sangempela sezinto ezingavuthiwe ...Funda kabanzi»
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IHydroxypropyl methyl cellulose ihlukaniswe yaba izinhlobo ezimbili zokushisa okujwayelekile - okubandayo okuncibilikayo - amanzi - uhlobo oluncibilikayo. I-1, uchungechunge lwe-gypsum emikhiqizweni yochungechunge lwe-gypsum, i-cellulose ether isetshenziselwa kakhulu ukugcina amanzi nokwandisa ukushelela. Ndawonye banikeza ukukhululeka okuthile. Ingakwazi ukuxazulula i-t...Funda kabanzi»
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1, ikuphi ukusetshenziswa okuyinhloko kwe-hydroxypropyl methyl cellulose (HPMC)? I-HPMC isetshenziswa kabanzi ezintweni zokwakha, okokugqoka, izinsalela zokwenziwa, izitsha zobumba, imithi, ukudla, izindwangu, ezolimo, izimonyo, ugwayi nezinye izimboni. I-HPMC ingahlukaniswa: ibanga lokwakha, ibanga lokudla kanye ne-medical gr...Funda kabanzi»
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IHydroxypropyl methyl cellulose (HPMC) iyifayibha ye-polymer yemvelo ngochungechunge lokucutshungulwa kwamakhemikhali nokulungiswa kwe-non-ionic cellulose ether. Uchungechunge lwe-DB i-HPMC iwumkhiqizo we-cellulose ether oguquliwe oncibilika kakhulu emanzini futhi othuthukiswe ngokukhethekile ukuthuthukisa ukusebenza kwe-d dry m...Funda kabanzi»