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IHydroxypropyl methylcellulose yinto esetyenziswa kakhulu ekrwada. Ngokukodwa ekusebenziseni i-putty powder. Kukho iipropathi ezininzi zemveliso ezinje: ukuxhathisa ityuwa, umsebenzi ophezulu, i-gelation ye-thermal, ukuzinza kwe-PH, ukugcinwa kwamanzi, ukunamathela, njl.Funda ngokugqithisileyo»
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I-HPMC Ukubonakala kunye neempawu: i-white or off-white fibrous or granular powder Density: 1.39 g / cm3 Ukunyibilika: phantse ukungabikho kwi-ethanol epheleleyo, i-ether, i-acetone; ukudumba kwisisombululo esicacileyo okanye esinamafu kancinane kwi-colloidal emanzini abandayo I-HPMC Uzinzo: Isiqina siyatsha kwaye asihambelani ne-wit...Funda ngokugqithisileyo»
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Isalathisi se-viscosity se-hydroxypropyl methylcellulose sisalathiso esibaluleke kakhulu. I-viscosity ayibonisi ubunyulu. I-viscosity ye-cellulose HPMC ixhomekeke kwinkqubo yokuvelisa. Iimeko ezahlukeneyo zokusebenzisa kufuneka zikhethe i-cellulose HPMC enee-viscosities ezahlukeneyo, hayi phezulu ...Funda ngokugqithisileyo»
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Yintoni umahluko phakathi kwe-hydroxypropyl methylcellulose (HPMC) ene-S okanye ngaphandle kwayo? 1. I-HPMC yahlulwe ngohlobo olukhawulezileyo kunye nohlobo lokusasazwa olukhawulezayo HPMC uhlobo lokusasaza ngokukhawuleza lufakwe unobumba S. Ngexesha lenkqubo yemveliso, i-glyoxal kufuneka yongezwe. HPMC uhlobo olukhawulezileyo ayongezi nayiphi na...Funda ngokugqithisileyo»
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I-viscosity ephantsi HPMC :HPMC 400 isetyenziselwa ikakhulu udaka lokuzilinganisa, kodwa lungeniswe ngokubanzi. Isizathu: I-viscosity iphantsi, nangona ukugcinwa kwamanzi kubi, kodwa ukulinganisa kulungile, kwaye ubuninzi bomdaka buphezulu. I-viscosity ephakathi kunye nephantsi: i-hydroxypropyl methylcellulose HPMC 20000-40000 ...Funda ngokugqithisileyo»
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I-cotton ecocekileyo-ukuvula-i-alkalizing-etherifying-neutralizing-ehlula-ukuhlamba-ukwahlula, ukomisa-i-pulverizing-ukupakisha-ukugqitywa kwe-cotton ukuvula: i-cotton ecocekileyo ivuliwe ukususa isinyithi, kwaye emva koko i-pulverized. Umqhaphu ocokisiweyo ocokisiweyo ukwimo yomgubo, kwaye ubungakanani bawo ngamasuntswana angama-80 ...Funda ngokugqithisileyo»
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Kwinkqubo yokugquma eludongeni yangaphandle, ngokubanzi ibandakanya udaka oludityanisiweyo lwebhodi yokugquma kunye nodaka lokutyabeka olukhusela umphezulu webhodi yokugquma. Udaka oludityanisiweyo olululo kufuneka lube lula ukulushukumisa, lube lula ukusebenza, lungabambeleli emela, kwaye lune-anti-sag elungileyo. ef...Funda ngokugqithisileyo»
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IHydroxypropyl methylcellulose yinto eqhelekileyo ekrwada kwishishini lemichiza yezinto zokwakha. Kwimveliso yemihla ngemihla, sinokuva rhoqo igama layo. Kodwa abantu abaninzi abayazi ukusetyenziswa kwayo. Namhlanje, ndiza kuchaza ukusetyenziswa kwe-hydroxypropyl methylcellulose kwiindawo ezahlukeneyo. 1. Ulwakhiwo ...Funda ngokugqithisileyo»
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Uncwadi olunxulumeneyo ekhaya nakwamanye amazwe ekulungiseleleni amayeza e-hydroxypropyl methylcellulose (HPMC) kwiminyaka yakutshanje ahlaziywa, ahlalutywa kwaye ashwankathelwa, kunye nokusetyenziswa kwawo kumalungiselelo aqinileyo, amalungiselelo olwelo, amalungiselelo okukhululwa azinzileyo kunye nokulawulwa, ca...Funda ngokugqithisileyo»
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Ngokusebenzisa uhlalutyo kunye nesishwankathelo seziphumo zovavanyo lwe-cellulose ether kwizahluko ezithathu, izigqibo eziphambili zezi zilandelayo: 5.1 Isiphelo 1. I-cellulose ether extraction evela kwizinto eziluhlaza zezityalo (1) Amacandelo ezinto ezihlanu zezityalo (ukufuma, uthuthu, iinkuni). umgangatho, i-cellulose kunye ne-hemicel...Funda ngokugqithisileyo»
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1 Intshayelelo Ukusukela ekufikeni kwedayi ezisebenzayo, i-sodium alginate (SA) iye yaba yeyona intlama yokuprinta idayi kwilaphu lomqhaphu. Ukusebenzisa iintlobo ezintathu ze-cellulose ethers i-CMC, i-HEC kunye ne-HECMC elungiselelwe kwiSahluko se-3 njenge-paste yokuqala, zisetyenziswe kwintlonipho yokushicilela idayi esebenzayo ...Funda ngokugqithisileyo»
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Ngokufunda isiphumo seedosi ezahlukeneyo ze-hydroxypropyl methylcellulose (HPMC) ekushicileleni, iipropathi zerheological kunye nepropathi yomatshini wodaka loshicilelo lwe-3D, kuxoFunda ngokugqithisileyo»