Turmi mai daidaita kansa na iya dogara da nauyin kansa don samar da tushe mai laushi, santsi da ƙarfi akan mashin don kwanciya ko haɗa wasu kayan, kuma a lokaci guda yana iya aiwatar da babban sikelin da ingantaccen gini. Don haka, yawan ruwa yana da matuƙar mahimmanci na turmi mai daidaita kai. Bugu da ƙari, dole ne ya kasance yana da ƙaƙƙarfan riƙewar ruwa da ƙarfin haɗin kai, babu wani abu mai ban sha'awa na ruwa, kuma yana da halayen haɓakar zafi da ƙananan zafin jiki.
Gabaɗaya, turmi mai daidaita kai yana buƙatar ruwa mai kyau, amma yawan ruwan simintin siminti yawanci yawanci 10-300px ne kawai; ether cellulose shine babban ƙari na turmi da aka shirya, ko da yake adadin adadin ya ragu sosai, zai iya inganta aikin turmi sosai, zai iya inganta daidaito, aikin aiki, haɗin haɗin gwiwa da aikin riƙe ruwa na turmi. Yana taka muhimmiyar rawa a fagen shirye-shiryen turmi mai gauraya.
1. Fluidity: Cellulose ether yana da tasiri mai mahimmanci a kan riƙewar ruwa, daidaito da kuma aikin ginawa na turmi mai daidaitawa. Musamman a matsayin turmi mai daidaita kai, ruwa yana ɗaya daga cikin manyan alamomi don kimanta aikin matakin kai. A ƙarƙashin yanayin tabbatar da tsarin al'ada na turmi, za'a iya daidaita yawan ruwa na turmi ta hanyar canza adadin ether cellulose. Duk da haka, idan adadin ya yi yawa, za a rage yawan ruwa na turmi, don haka adadin cellulose ether HPMC ya kamata a sarrafa shi a cikin kewayon da ya dace.
2. Riƙewar ruwa: Riƙewar ruwa na turmi alama ce mai mahimmanci don auna daidaiton abubuwan ciki na turmi siminti da aka haɗa sabo. Don cikakken aiwatar da aikin hydration na kayan gel, adadin madaidaicin ether na cellulose zai iya kula da danshi a cikin turmi na dogon lokaci. Gabaɗaya magana, yawan riƙe ruwa na slurry yana ƙaruwa tare da haɓaka abun ciki na ether cellulose. Tasirin riƙewar ruwa na cellulose ether HPMC na iya hana abin da ake amfani da shi daga sha ruwa mai yawa da sauri, kuma ya hana ƙawancen ruwa, don tabbatar da cewa yanayin slurry yana samar da isasshen ruwa don ciminti hydration. Bugu da ƙari, danko na ether cellulose kuma yana da tasiri mai yawa akan riƙe ruwa na turmi. Mafi girman danko, mafi kyawun riƙewar ruwa. Gabaɗaya, cellulose ether HPMC tare da danko na 400mpa.s galibi ana amfani dashi a cikin turmi mai daidaita kai, wanda zai iya haɓaka aikin matakin turmi kuma yana ƙara ƙarancin turmi.
3. Lokacin saita lokaci: Cellulose ether yana da wani tasiri na jinkirtawa akan turmi. Tare da karuwar abun ciki na ether cellulose, lokacin saita turmi yana tsawaita. Sakamakon retarding na cellulose ether HPMC akan manna siminti ya dogara ne akan matakin maye gurbin ƙungiyar alkyl, kuma yana da ɗan dangantaka da nauyin kwayoyin. Karamin matakin maye gurbin alkyl, mafi girman abun ciki na hydroxyl, kuma mafi bayyananniyar tasirin jinkirtawa. Kuma mafi girman abun ciki na ether cellulose, mafi mahimmancin sakamako na jinkirin tasirin fim mai rikitarwa akan farkon hydration na siminti, don haka tasirin retarding shima ya fi bayyane.
4. Ƙarfin sassauƙa da ƙarfin matsawa: Yawancin lokaci, ƙarfin yana ɗaya daga cikin mahimman alamomin kimantawa don magance tasirin siminti na tushen siminti akan cakuda. Ƙarfin matsawa da ƙarfin sassauƙa na turmi zai ragu tare da haɓaka abun ciki na cellulose ether HPMC.
5. Ƙarfin haɗin gwiwa: cellulose ether HPMC yana da tasiri mai girma akan aikin haɗin gwiwa na turmi. Cellulose ether ya samar da fim din polymer tare da tasirin rufewa tsakanin sassan ciminti hydration barbashi a cikin tsarin tsarin ruwa, wanda ke inganta ƙarin ruwa a cikin fim din polymer a waje da sassan siminti, wanda ke da kyau ga cikakken hydration na ciminti, don haka inganta haɗin gwiwa. ƙarfin 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 sanya yankin canjin mu'amala ya zama mafi sassauƙa da ƙarancin ƙarfi, don haka , ta yadda turmi ya sami ƙarfin haɗin gwiwa.
Lokacin aikawa: Fabrairu-27-2023