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Isici esibaluleke kakhulu se-cellulose ether ukugcina amanzi ezintweni zokwakha. Ngaphandle kokwengezwa kwe-cellulose ether, ungqimba oluncane lwe-mortar entsha loma ngokushesha kangangokuthi usimende awukwazi ukumanzisa ngendlela evamile futhi i-mortar ayikwazi ukuqina futhi ifinyelele ukuhlangana okuhle. Ku...Funda kabanzi»
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Imikhiqizo yamavithamini yonke itholakala ku-pulp yekotini yemvelo noma ku-pulp yokhuni, ekhiqizwa nge-etherification. Imikhiqizo ehlukene ye-cellulose isebenzisa ama-etherifying agents ahlukene. I-etherifying agent esetshenziswa ku-hydroxyethyl cellulose (HEC) yi-ethylene oxide, kanti i-etherifying agent esetshenziswa ku-hydroxy...Funda kabanzi»
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Ukusetshenziswa kwe-hydroxypropyl methylcellulose ku-mortar yokwakha i-plastering mortar Ukugcinwa kwamanzi amaningi kungenza usimende ube namanzi aphelele, kwandise kakhulu amandla e-bond, futhi ngasikhathi sinye, kungandisa ngokufanele amandla okubamba kanye namandla okucheba, kuthuthukise kakhulu...Funda kabanzi»
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A. Isidingo sokugcinwa kwamanzi Ukugcinwa kwamanzi kwesimende kubhekisela ekhonweni lesimende lokugcina amanzi. Isimende esinokugcinwa kwamanzi okungekuhle sivame ukopha nokuhlukaniswa ngesikhathi sokuthuthwa nokugcinwa, okungukuthi, amanzi ayantanta phezulu, bese isihlabathi nesimende sicwila ngaphansi. Kumelwe kube ...Funda kabanzi»
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1. Iyini igama eliyisibongo le-hydroxypropyl methylcellulose? ——Impendulo: Hydroxypropyl Methyl Cellulose, isiNgisi: Hydroxypropyl Methyl Cellulose Isifinyezo: HPMC noma i-MHPC Igama eliyisibongo: Hypromellose; Cellulose Hydroxypropyl Methyl Ether; Hypromellose, Cellulose, 2-hydroxypropylmethyl Cellulose ether. Cellulose ...Funda kabanzi»
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Impuphu ye-latex ephinde ihlakazeke iyimpuphu ephinde ihlakazekeke emanzini, okuyi-copolymer ye-ethylene ne-vinyl acetate, ene-polyvinyl alcohol njenge-colloid evikelayo. Ngakho-ke, impuphu ye-latex ephinde ihlakazeke ithandwa kakhulu emakethe yezimboni zokwakha, futhi umphumela wokwakha awubonakali...Funda kabanzi»
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Udaka oluxubile olumanzi: udaka oluxubile luhlobo lwesimende, i-aggregate encane, ingxube namanzi, futhi ngokwezakhiwo zezingxenye ezahlukahlukene, ngokwesilinganiso esithile, ngemva kokulinganiswa esiteshini sokuxuba, kuxutshwe, kuthuthwe kuyiswe endaweni lapho iloli lisetshenziswa khona, bese kufakwa ...Funda kabanzi»
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Kuze kube manje, akukho mbiko mayelana nomphumela wendlela yokwengeza ye-hydroxyethyl cellulose ohlelweni lokupenda lwe-latex. Ngocwaningo, kutholakale ukuthi ukwengeza i-hydroxyethyl cellulose ohlelweni lokupenda lwe-latex kuhlukile, futhi ukusebenza kopende we-latex olungiselelwe kuhlukile kakhulu....Funda kabanzi»
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Manje abantu abaningi abazi okuningi nge-hydroxypropyl starch ether. Bacabanga ukuthi kunomehluko omncane phakathi kwe-hydroxypropyl starch ether kanye ne-starch evamile, kodwa akunjalo. Inani le-hydroxypropyl starch ether elisetshenziswa emikhiqizweni ye-mortar lincane kakhulu, futhi inani lokwengeza le-pola...Funda kabanzi»
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I-Hydroxypropyl methylcellulose ihlukaniswe izinhlobo ezimbili zohlobo olujwayelekile lwamanzi abandayo ancibilikayo ngokushesha. 1. Uchungechunge lwe-Gypsum Emikhiqizweni yochungechunge lwe-gypsum, i-cellulose ether isetshenziswa kakhulu ukugcina amanzi kanye nokushelela. Zombili zinikeza impumuzo. Ingaxazulula ukungabaza mayelana nokuqhekeka kwezigubhu kanye ...Funda kabanzi»
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Ku-putty powder, idlala indima ezintathu zokuqina, ukugcinwa kwamanzi kanye nokwakhiwa. Ukuqina: I-cellulose ingaqiniswa ukuze imiswe futhi igcine isisombululo silingana phezulu naphansi, futhi imelane nokuwa. Ukugcinwa kwamanzi: Yenza i-putty powder yome kancane ukuze kusize i-calcium yomlotha ukuthi isabele ngaphansi...Funda kabanzi»
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Okuncibilikayo emanzini nakwezinye izinyibilikisi eziphilayo kungancibilika emanzini abandayo, ukuhlushwa kwayo okuphezulu kunqunywa kuphela yi-viscosity, ukuncibilika kuyashintsha nge-viscosity, lapho i-viscosity iphansi, kulapho ukuncibilika kuba kukhulu khona. Ukumelana nosawoti: I-Hydroxypropyl methylcellulose yokwakha...Funda kabanzi»