Udaka lokuzimela lungathembela esindweni salo uqobo ukwakha isisekelo esithambile, esibushelelezi futhi esiqinile esisekelweni sokufaka noma ukubopha ezinye izinto eziningi, futhi ngasikhathi sinye. Ngakho-ke, i-fluidity ephezulu iyisici esibaluleke kakhulu sodaka lokuzimela. Ngaphezu kwalokho, kumele ibe nokugcinwa kwamanzi kanye nokugcinwa kwamanzi, akukho menomenuon waunyethi, futhi ube nezimpawu zokufakwa kokushisa kanye nokushisa okuphansi kokushisa.
Ngokuvamile, udaka oluzimisele ngokuzenzisa ludinga uketshezi oluhle, kepha uketshezi lwe-casse yangempela kasimende imvamisa kuphela ngo-10-12cm; I-Celsulose Ether isengezo esikhulu sodaka oluyisilungele, yize inani lokungezwa liphansi kakhulu, lingathuthukisa kakhulu ukusebenza kodaka, lingathuthukisa ukuvumelana, ukusebenza okusebenzayo kanye nokusebenza kokugcinwa kwamanzi kanye nokusebenza kokugcinwa kwamanzi kanye nokwenza umsebenzi wokugcina amanzi kodaka.
1: UFluity of Mortar
I-Cellulose Ether inethonya elibalulekile ekugcinweni kwamanzi, ukuguquguquka nokusebenza kokwakha kodaka oluzimele. Ikakhulu njengodaka oluzimele, u-fluidity kungenye yezinkomba eziphambili zokuhlola ukusebenza kwezinga elizimele. Ngaphansi kwesisekelo sokuqinisekisa ukwakheka okujwayelekile kodaka, uketshezi lodaka lungashintshwa ngokushintsha inani le-cellulose ether. Kodwa-ke, uma umthamo uphezulu kakhulu, uketshezi lodaka luzoncishiswa, ngakho-ke umthamo we-cellulose ether kufanele ulawulwe ngaphakathi kwebanga elifanele.
2: Ukugcinwa kwamanzi ngodaka
Ukugcinwa kwamanzi ngodaka kuyinkomba ebalulekile yokukala ukuqina kwezingxenye zangaphakathi zodaka olusanda kuxutshwa. Ukuze ufeze ngokuphelele ukusabela kwe-hydrate ye-gel impahla, inani elifanelekile le-cellulose ether lingagcina umswakama odongeni isikhathi eside. Ngokuvamile, inani lokugcina lamanzi le-slurry landa ngokwanda kokuqukethwe kwe-cellulose ether. Umphumela wokugcinwa kwamanzi we-cellulose ether ungavimba i-substrate ukuthi ingangeni manzi amaningi kakhulu ngokushesha, futhi ivimbezele ukuhwamuka kwamanzi ngokushesha, ukuze aqinisekise ukuthi imvelo ye-slurry ihlinzeka ngamanzi anele e-hydration. Ngaphezu kwalokho, ukubonwa kwe-vercuLose Ether nakho kunethonya elikhulu ekugcinweni kwamanzi kodaka. Ukuphakama okuphezulu, kungcono ukugcinwa kwamanzi. Ngokuvamile, i-cellulose ether ene-viscosity ye-400mpa.S isetshenziswa kakhulu ngodaka oluzenzakalelayo, olungathuthukisa ukusebenza kwezinga lodaka nokwandiswa kodaka.
3: Isikhathi sokusetha ngodaka
I-Cellulose Ether inomphumela othile wokubuyisa odaka. Ngokukhuphuka kokuqukethwe kwe-cellulose ether, isikhathi sokusetha sodaka. Umphumela wokubuyisa we-cellulose ether ku-Cement Paste ikakhulukazi kuya ngezinga lokufaka esikhundleni seqembu le-ALKYL, futhi kuncane ongakwenza ngesisindo salo se-molecular. Uma lincane kakhulu i-Alkyl Exfunce, likhulisa okuqukethwe kwe-hydroxyl, futhi kusobala kakhulu umphumela wokubuyisa. Futhi okuphezulu kokuqukethwe kwe-cellulose ether, kusobala kakhulu umphumela wokubambezeleka wesendlalelo sefilimu yenhlanganisela ngaphambi kwe-hydration yokuqala, ngakho-ke umphumela wokugcina usubala futhi usobala futhi.
4: Amandla acindezelwe ngodaka namandla aguqukayo
Imvamisa, amandla kungenye yezinkomba zokuhlola ezibalulekile zomphumela wokuvuka kwezinto zokwenziwa kokosiko osuselwa ku-cements cements kungxube. Lapho okuqukethwe kwe-cellulose ether kukhuphuka, amandla acindezelayo namandla aguqukayo ngodaka azoncipha.
5: Amandla Omuntu OBondar
I-Cellulose Ether inethonya elikhulu ekusebenzeni kwebhondi ngodaka. I-Cellulose Ether yakha ifilimu ye-polymer ngomphumela wokuvalwa kwezimpawu zokubopha phakathi kwesistimu yesigaba sesimo sohlelo, olukhuthaza amanzi amaningi kwi-polymer film, okulungele i-hydration ephelele yekhonkolo, ngaleyo ndlela ithuthukise isibopho amandla okunamathisela ngemuva kokuqina. Ngasikhathi sinye, inani elifanele le-cellulose etre lenyusa i-plastity kanye nokuguquguquka kodaka, kunciphisa ukuqina kwendawo yokuguqula phakathi kosimende kanye nesibonisi se-substrate, futhi kunciphisa amandla okuslayidi phakathi kwezindawo zokuxhumana. Ngokwezinga elithile, umphumela onobudlelwano phakathi kodaka kanye no-substrate uthuthukiswa. Ngaphezu kwalokho, ngenxa yokuba khona kwe-cellulose ether ku-Cement Paste, indawo ekhethekile yokuguqula isimo kanye nesendlalelo se-interface sakhiwa phakathi kwezinhlayiya zodaka nomkhiqizo we-hydration. Le nhlangano ebonakalayo yenza indawo yokuguqulwa kwe-interface iguqulwe kakhudlwana futhi iqinile, ngakho-ke, ukuze udaka lube namandla ebhondi aqinile
Isikhathi sePosi: FEB-03-2023