-
Udaka oluxubene olumanzi lubhekisela ezintweni zikasimende, isamba esihle, ingxube, amanzi nezinye izingxenye ezihlukahlukene ezinqunywa ngokuvumelana nokusebenza. Ngokwesilinganiso esithile, ngemva kokulinganiswa nokuxuba esiteshini sokuxuba, sithuthelwa endaweni yokusetshenziswa iloli yokuxuba. Gcina i...Funda kabanzi»
-
Izinhlobo zezingxube ezivame ukusetshenziswa ekwakheni udaka oluxutshwe okomile, izici zazo zokusebenza, indlela yokwenza, kanye nomthelela wazo ekusebenzeni kwemikhiqizo yodaka oluxutshwe okomile. Umthelela ongcono wama-ejenti okugcina amanzi njenge-cellulose ether ne-starch ether, ehlakazeka kabusha...Funda kabanzi»
-
Ngokuqhubeka okuqhubekayo kwemboni kanye nokuthuthukiswa kobuchwepheshe, ngokwethulwa kanye nokwenza ngcono kwemishini yokufafaza udaka lwangaphandle, ubuchwepheshe bokufutha ngemishini nokuplasta sebuthuthukiswe kakhulu ezweni lami eminyakeni yamuva nje. Udaka lokufafaza ngomshini luya ...Funda kabanzi»
-
1. I-hydroxypropyl methylcellulose yezinga lamakhemikhali lansuku zonke iyimpushana emhlophe noma ephuzi kancane, futhi ayinaphunga, ayinambitheki futhi ayinabuthi. Ingancibilika emanzini abandayo kanye ne-solvent exubile ye-organic matter ukuze yakhe isixazululo se-viscous esisobala. Isixazululo esinamanzi sinendawo...Funda kabanzi»
-
I-Hydroxyethyl cellulose (HEC) iyi-fibrous emhlophe noma ekhanyayo, engenaphunga, engenabuthi noma eqinile. Yenziwe ngamalitha kakotini aluhlaza noma i-pulp ecolisisiwe efakwe ku-30% we-caustic soda ewuketshezi. Ngemva kwesigamu sehora, iyakhishwa futhi icindezelwe. Cindezela kuze kube yilapho isilinganiso samanzi ane-alkali sifinyelela ku-1: 2.8, bese...Funda kabanzi»
-
1. Iyini imisebenzi ye-latex powder ehlakazeka kabusha odakeni? Impendulo: I-latex powder ehlakazeka kabusha ibunjwa ngemva kokuhlakazeka futhi isebenza njenge-adhesive yesibili yokuthuthukisa isibopho; i-colloid evikelayo imuncwa uhlelo lodaka (ngeke kuthiwe izobhujiswa ngemva kokubunjwa. Noma i-dis...Funda kabanzi»
-
Udaka oluxubene olumanzi usimende, isamba esihle, ingxube, amanzi nezinye izingxenye ezihlukahlukene ezinqunywa ngokuvumelana nokusebenza. Ngokwengxenye ethile, ngemva kokukalwa nokuxutshwa esiteshini sokuxuba, ithuthwa iyiswe endaweni esetshenziswa iloli yokuxuba, bese ifakwa endaweni ekhethekile.Funda kabanzi»
-
Ama-Admixtures adlala indima ebalulekile ekuthuthukiseni ukusebenza kwesakhiwo sodaka oluxutshwe okomile, kodwa ukwengezwa kodaka oluxutshwe okomile kwenza izindleko ezibonakalayo zemikhiqizo yodaka oluxutshwe okomile zibe phezulu kakhulu kunezodaka lwendabuko, oluhlanganisa ngaphezu kuka-40% izindleko zempahla ku-dry-mix...Funda kabanzi»
-
I-Hydroxypropyl methylcellulose yenziwe nge-cotton cellulose ecwenge kakhulu ngokusebenzisa i-etherification ekhethekile ngaphansi kwezimo ze-alkaline, futhi yonke inqubo iqedwa ngaphansi kokuqapha okuzenzakalelayo. Ayincibiliki ku-ether, i-acetone kanye ne-ethanol ephelele, futhi ikhukhumala ibe i-collo ecacile noma enamafu kancane...Funda kabanzi»
-
Inani elithile le-hydroxypropyl methylcellulose ether ligcina amanzi odakeni isikhathi esanele ukuze kuthuthukiswe ukugeleza okuqhubekayo kukasimende futhi kuthuthukise ukunamathela phakathi kodaka ne-substrate. Umthelela Wosayizi Wezinhlayiya kanye Nesikhathi Sokuxuba Se-Hydroxypropyl Methyl Cellulose Ether ...Funda kabanzi»
-
I-Cellulose ether iwuhlobo lwezinto ezitholakala ku-polymer yemvelo, enezici ze-emulsification nokumiswa. Phakathi kwezinhlobo eziningi, i-HPMC iyona ephumayo ephezulu futhi esetshenziswa kakhulu, futhi okukhiphayo kwanda ngokushesha. Eminyakeni yakamuva, ngenxa yokukhula kwe-...Funda kabanzi»
-
IHydroxypropyl methylcellulose (HPMC) iyi-ether engeyona ionic cellulose eyenziwe nge-cellulose yezinto ze-polymer yemvelo ngochungechunge lwezinqubo zamakhemikhali. Ziyimpushana emhlophe engenaphunga, ayinambitheki futhi engenabuthi ekhukhumala ibe isixazululo se-colloidal esicacile noma esinamafu kancane emanzini abandayo. Ine-t...Funda kabanzi»