Mene ne ayoyin Cellulose yayi amfani dashi?

Cellulose ether will prolong the setting time of cement paste or mortar net, delay the cement hydration kinetics, which is beneficial to improve the operative time of cement base material, improve the consistency and concrete slump after the loss, but also may delay the construction progress, especially in low temperature environment conditions for the use of mortar and concrete.

Gabaɗaya, mafi girma abun ciki na Elet Erher, da ya fi saita lokacin ciminti slurry da turmi. Cellulous ether na iya jinkirta hydration na mafi mahimmancin mai ɗimbin ɗimbin yawa tricalate (C3a) da siliki mai narkewa ba iri ɗaya bane. Elell ether ne yakan rage adadin C3s a cikin lokacin hanzari, yayin da C3a-Caso4 tsarin, shi galibi yana tsawaita lokacin shigarwar.

Outarin gwaje-gwajen da aka nuna sun nuna cewa Eretulose na rushewar C3A da C3s, jinkirta kuka na CSS na C3s, amma ba shi da ƙarfi akan lu'ulu'u na C3s, amma ba shi da isasshen tasiri a lu'ulu'u na C3s, amma ba shi da wani tasiri kaɗan akan lu'ulu'u masu kukan mahaifa. Weyer et al. Damu cewa matakin canji DS shine babban mahimmancin cutar hydration ciminti, da kuma karami DS ya kasance, mafi fili da ya jinkirta ciminti ya kasance. A kan hanyar selulose na satar celther stain hydration.

Siva et al. yi imani da cewa ether ether ya ƙara danko na pore da hana ragin ion motsi, don haka jinkirin hydration ciminti. Koyaya, zuba al. ya gano cewa alaƙar da ke tsakanin sel mai jinkiri ta hanyar hydration da ciminti slurry ba a bayyane yake ba. Schmitz et al. gano cewa danko na eth et et et eth et et et et etwararren hydration na ciminti.

Prinche ma ya gano cewa Elet Cellulose ya tabbata a karkashin yanayin alkaline da jinkirin ciminti na yanke hukunci ga lalata ether. Adsorption na iya zama ainihin dalilin sel selinshen selther hydration, da hydration productived, hana rushe hydres da kuma jinkirta ciminti da kuma kawar da ciminti da cirewa. SPOLCHCZ et al. An gano cewa mafi ƙarfi da ƙarfin adsorving kayayyakin hydration da kuma elulose ether, mafi bayyane jinkirin.

An yi imani da cewa galibi kwayoyin sel na eter galibi suna ba da adsorbed a kan samfuran hydration kuma da wuya a ba da hukunci a kan tsarin ma'adinai na.