Turmi mai daidaita kai na iya dogara da nauyinsa don samar da tushe mai santsi, santsi da ƙarfi akan abin da ake yi don kwanciya ko haɗa wasu kayan.A lokaci guda kuma, tana iya aiwatar da babban gini da inganci.Sabili da haka, yawan ruwa yana da matukar mahimmanci na turmi mai daidaita kansa Bugu da ƙari, dole ne ya kasance yana da ƙayyadaddun 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 10-12cm ne kawai;tsakanin cellulose ethers, hydroxypropyl methylcellulose (HPMC) shine babban ƙari na turmi mai shirye-shirye , ko da yake adadin adadin ya ragu sosai, zai iya inganta aikin turmi, yana iya inganta daidaito, aikin aiki, haɗin gwiwa da ruwa. riƙe aikin turmi.Yana taka muhimmiyar rawa a fagen shirye-shiryen turmi mai gauraya.
1. Motsi
Hydroxypropyl methylcellulose (HPMC) yana da tasiri mai mahimmanci akan riƙe ruwa, daidaito da aikin ginin turmi mai daidaita kai.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, ana iya daidaita yawan ruwan turmi ta hanyar canza adadin HPMC.Duk da haka, idan adadin ya yi yawa, za a rage yawan ruwa na turmi, don haka ya kamata a sarrafa sashi na HPMC a cikin kewayon da ya dace.
2. Riƙe ruwa
Riƙewar ruwa na turmi shine maƙasudi mai mahimmanci don auna daidaiton abubuwan ciki na turmi mai gauraye sabo.Domin cikakken aiwatar da hydration dauki na gel abu, wani m adadin HPMC 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 HPMC.Aikin riƙe ruwa na HPMC na iya hana abin da ake amfani da shi don ɗaukar ruwa mai yawa da sauri, kuma yana hana ƙawancen ruwa, ta yadda za a tabbatar da cewa yanayin slurry yana samar da isasshen ruwa don iskar siminti.Bugu da ƙari, danko na hydroxypropyl methylcellulose shima yana da babban tasiri akan riƙe ruwa na turmi.Mafi girman danko, mafi kyawun riƙewar ruwa.Gabaɗaya, samfuran da ɗanko na kusan 400mpa.s ana amfani da su galibi don turmi mai daidaita kai, wanda zai iya haɓaka aikin matakin turmi da ƙara ƙarancin turmi.
3. Saita lokaci
HPMC yana da wani tasiri na ja da baya akan turmi.Tare da karuwar adadin, lokacin saita turmi yana tsawaita.Tasirin ja da baya na HPMC akan manna siminti ya dogara ne akan matakin maye gurbin ƙungiyoyin alkyl, kuma yana da ɗan alaƙa da nauyinsa.Karamin matakin maye gurbin alkyl, mafi girman abun ciki na hydroxyl, kuma mafi bayyananniyar tasirin jinkirtawa.Kuma mafi girma da abun ciki na HPMC, da mafi fili tasirin da hadaddun fim Layer a kan farkon hydration retardation na siminti, don haka retarding sakamako ne mafi bayyananne.
4. Ƙarfin sassauƙa da ƙarfin matsawa
Yawancin lokaci, ƙarfi yana ɗaya daga cikin mahimman ma'auni na kimantawa don magance tasirin siminti na tushen siminti akan cakuda.Ƙarfin matsawa da ƙarfin sassauƙa na turmi zai ragu tare da karuwar abun ciki na HPMC.
5. Ƙarfin haɗin gwiwa
HPMC yana da babban tasiri akan aikin haɗin gwiwa na turmi.HPMC tana samar da fim ɗin polymer tare da tasirin rufewa tsakanin tsarin tsarin ruwa da siminti hydration barbashi, wanda ke haɓaka ƙarin ruwa a cikin fim ɗin polymer a waje da simintin siminti, wanda ke ba da cikakkiyar hydration na ciminti, don haka haɓaka ƙimar slurry.Ƙarfin haɗin gwiwa.A lokaci guda, ƙara adadin da ya dace na HPMC yana haɓaka filastik da sassauci na turmi, yana rage tsattsauran ra'ayi na yanki na tsaka-tsakin tsaka-tsaki tsakanin turmi da ma'auni, 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 HPMC a cikin manna siminti, an samar da wani yanki na musanya na musamman da keɓancewa tsakanin turmi da samfurin hydration.Wannan nau'in mu'amala yana sa yankin canjin mu'amala ya zama mafi sassauƙa da ƙarancin ƙarfi.Saboda haka, Turmi yana da ƙarfi haɗin gwiwa.
Lokacin aikawa: Maris 23-2023