Cellulose ether yana da wani tasiri na jinkirtawa akan turmi.Tare da karuwar adadin ether cellulose, lokacin saita turmi yana tsawaita.Tasirin ether na cellulose a kan man siminti ya dogara ne akan matakin maye gurbin ƙungiyar alkyl, yayin da ba shi da alaƙa da nauyin kwayoyinsa.
Karamin matakin maye gurbin alkyl, mafi girman abun ciki na hydroxyl, kuma mafi bayyananniyar tasirin jinkirtawa.Kuma mafi girman adadin adadin ether na cellulose, mafi mahimmancin tasirin jinkirin tasirin fim ɗin mai rikitarwa akan farkon hydration na siminti, don haka tasirin retarding shima ya fi bayyana.
Ƙarfi yana ɗaya daga cikin mahimman ma'auni na kimantawa don magance tasirin siminti na tushen siminti akan cakuda.Lokacin da adadin ether cellulose ya karu, ƙarfin matsawa da ƙarfin sassauƙa na turmi zai ragu.Ƙarfin haɗin ƙwanƙwasa na simintin siminti da aka haɗe da ether cellulose yana inganta;Ƙarfin sassauƙa da matsawa na turmi siminti an rage, kuma mafi girman sashi, ƙananan ƙarfin;
Bayan haxa hydroxypropyl methyl cellulose ether, tare da karuwa na sashi, ƙarfin sassauƙa na turmi siminti ya fara ƙaruwa sannan ya ragu, kuma ƙarfin matsawa yana raguwa a hankali.Ya kamata a sarrafa mafi kyawun sashi a 0.1%.
Cellulose ether yana da babban tasiri akan aikin haɗin gwiwa na turmi.Cellulose ether ya samar da fim din polymer tare da tasirin rufewa tsakanin sassan hydration na ciminti a cikin tsarin tsarin ruwa, wanda ke inganta yawan ruwa a cikin fim din polymer a waje da sassan siminti, wanda ya dace da cikakken hydration na ciminti, don haka inganta ƙarfin haɗin gwiwa. na manna bayan hardening.
A lokaci guda kuma, adadin da ya dace na ether cellulose yana haɓaka filastik da sassauci na turmi, yana rage tsattsauran ra'ayi na yanki na tsaka-tsakin tsaka-tsakin da ke tsakanin turmi da substrate, kuma yana rage ikon zamewa tsakanin musaya.Zuwa wani ɗan lokaci, ana haɓaka tasirin haɗin kai tsakanin turmi da ƙasa.
Bugu da ƙari, saboda kasancewar cellulose ether a cikin manna siminti, an samar da wani yanki na musanya na musamman da kuma tsaka-tsakin tsaka-tsakin tsakanin turmi da samfurin hydration.Wannan nau'in mu'amala yana sa yankin canjin mu'amala ya zama mafi sassauƙa da ƙarancin ƙarfi.Don haka, yana sa turmi ya sami ƙarfin haɗin gwiwa.
Lokacin aikawa: Juni-02-2023