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ukoma ngokushesha Lokhu kungenxa yokwengezwa ngokweqile kwempuphu ye-calcium yomlotha (inani lempuphu ye-calcium yomlotha esetshenziswa kufomula ye-putty lingancishiswa ngokufanele) kuhlobene nesilinganiso sokugcina amanzi se-hydroxypropyl methylcellulose, futhi kuhlobene nokoma kodonga. Ukuhlubula...Funda kabanzi»
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I-Hydroxypropyl methylcellulose iyi-non-ionic cellulose ether ecutshungulwa kusuka kukotini ocolisisiwe ngokusebenzisa uchungechunge lwezimo zamakhemikhali. Iyinto emhlophe engenaphunga, engenabuthi, ewumpuphu encibilika emanzini futhi iveze isixazululo se-colloidal esicacile noma esinamafu kancane. Inezici ze-t...Funda kabanzi»
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Igama lesiShayina le-HPMC yi-hydroxypropyl methylcellulose. Ayiyona i-ionic futhi ivame ukusetshenziswa njenge-ejenti yokugcina amanzi ku-mortar exutshwe okomile. Yinto evame ukusetshenziswa kakhulu yokugcina amanzi ku-mortar. Umkhiqizo we-ether osuselwa ku-polysaccharide okhiqizwa yi-alkalization kanye ne-etherification. Ayinawo...Funda kabanzi»
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1. Izinkinga ezivamile ku-putty powder eyomile ngokushesha Lokhu kuhlobene kakhulu nenani le-ash calcium powder engeziwe (inkulu kakhulu, inani le-ash calcium powder esetshenziswa ku-putty formula lingancishiswa ngokufanele) kanye nezinga lokugcina amanzi le-hydroxypropyl methylcellulose (HPMC), futhi iphinde isetshenziswe...Funda kabanzi»
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Impuphu ye-latex ephinde ihlakazeke iyimpuphu emhlophe eqinile etholakala ngokufutha i-latex ekhethekile. Isetshenziswa kakhulu njengesithasiselo esibalulekile "se-dry-mixed mortar" kanye nezinye izi-dry-mixed mortars zezinto zokwakha zobunjiniyela bokufudumeza udonga lwangaphandle. Naka okulandelayo...Funda kabanzi»
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I-Hydroxypropyl methylcellulose isetshenziswa kakhulu njenge-dispersant ekukhiqizweni kwe-polyvinyl chloride, futhi iyi-ejenti eyinhloko yokusiza yokulungiselela i-PVC nge-suspension polymerization. Enqubweni yokwakha embonini yokwakha, isetshenziswa kakhulu ekwakheni ngomshini njengodonga...Funda kabanzi»
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Izithasiselo eziguquliwe ezifana nezithasiselo ze-mortar ezixutshwe ngomuthi, ama-ether e-cellulose, abalawuli be-coagulation, i-latex powder ephinde ihlakazeke, ama-air-entraining agents, ama-ejenti okuqina okuqala, ama-water reducers, njll., anezelwa ngokwezidingo zephrojekthi, athuthukisa kakhulu ukusebenza kwe-ready-mixed ...Funda kabanzi»
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Ukusetshenziswa kwe-hydroxypropyl methylcellulose (HPMC) ku-mortar yokuplasta yodaka lokwakha: Ukugcinwa kwamanzi amaningi kungenza usimende ube namanzi aphelele, kwandise kakhulu amandla esibopho, futhi ngasikhathi sinye, kungakhulisa ngokufanele amandla okubamba kanye namandla okucheba, kuthinte kakhulu...Funda kabanzi»
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(1) Ukunqunywa kwe-viscosity: Umkhiqizo owomisiwe ulungiswa ube yisisombululo samanzi esinokuhlushwa kwesisindo esingu-2°C, futhi ulinganiswa nge-viscometer ejikelezayo ye-NDJ-1; (2) Ukubukeka komkhiqizo kufana nempuphu, kanti umkhiqizo osheshayo uhlanganiswe ngo-“s”. Indlela yokusebenzisa i-hydroxyp...Funda kabanzi»
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Inkomba ye-viscosity ye-hydroxypropyl methylcellulose iyinkomba ebaluleke kakhulu. I-viscosity ayimeleli ubumsulwa. I-viscosity ye-cellulose HPMC incike enqubweni yokukhiqiza. Izindawo ezahlukene zokusebenzisa kufanele zikhethe i-cellulose HPMC ene-viscosities ehlukene, hhayi ephakeme kune-vi...Funda kabanzi»
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Udaka oluxutshwe ngamanzi lubhekisela ezintweni ezifaka usimende, i-aggregate encane, ingxube, amanzi kanye nezingxenye ezahlukahlukene ezinqunywa ngokusebenza. Ngokwesilinganiso esithile, ngemva kokulinganiswa nokuhlanganiswa esiteshini sokuxuba, luthuthwa luye endaweni yokusetshenziswa yiloli yokuxuba. Gcina...Funda kabanzi»
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Izinhlobo zezingxube ezivame ukusetshenziswa ekwakheni udaka oluxutshwe okomile, izici zalo zokusebenza, indlela yokusebenza, kanye nethonya lazo ekusebenzeni kwemikhiqizo yodaka oluxutshwe okomile. Umphumela wokuthuthukiswa kwezinto ezigcina amanzi njenge-cellulose ether kanye ne-starch ether, eziphinde zihlakazeke...Funda kabanzi»