Turmi mai daidaita kansa zai iya dogara da nauyinsa don samar da tushe mai faɗi, santsi da ƙarfi akan abin da aka yi amfani da shi don shimfiɗawa ko haɗa wasu kayan. A lokaci guda, yana iya gudanar da babban gini mai inganci. Saboda haka, yawan ruwa muhimmin bangare ne na turmi mai daidaita kansa. Bugu da ƙari, dole ne ya sami takamaiman ƙarfin riƙe ruwa da haɗin kai, babu wani abin da ke raba ruwa, kuma yana da halaye na rufin zafi da hauhawar zafin jiki.
Gabaɗaya, turmi mai daidaita kansa yana buƙatar ruwa mai kyau, amma ruwan manna siminti na ainihi yawanci shine 10-12cm kawai;ƙwayoyin cellulosehydroxypropyl methylcellulose (HPMC) babban ƙari ne na turmi mai gauraye, kodayake adadin ƙarin yana da ƙasa sosai, yana iya inganta aikin turmi sosai, yana iya inganta daidaito, aikin aiki, aikin haɗin gwiwa da aikin riƙe ruwa na turmi. Yana taka muhimmiyar rawa a fannin turmi mai gauraye.
1. Motsi
Hydroxypropyl methylcellulose (HPMC)yana da tasiri mai mahimmanci akan riƙe ruwa, daidaito da aikin gini na turmi mai daidaita kansa. Musamman a matsayin turmi mai daidaita kansa, ruwa yana ɗaya daga cikin manyan alamun kimanta aikin daidaita kansa. A ƙarƙashin manufar tabbatar da daidaiton abun da ke cikin turmi, ana iya daidaita ruwan turmi ta hanyar canza adadin HPMC. Duk da haka, idan adadin ya yi yawa, ruwan turmi zai ragu, don haka ya kamata a sarrafa yawan HPMC a cikin iyaka mai dacewa.
2. Rike ruwa
Rike ruwa na turmi muhimmin ma'auni ne don auna daidaiton abubuwan ciki na turmi na siminti da aka haɗa. Domin a aiwatar da cikakken aikin ruwa na kayan gel, adadin HPMC mai dacewa zai iya kiyaye danshi a cikin turmi na dogon lokaci. Gabaɗaya, ƙimar riƙe ruwa na slurry yana ƙaruwa tare da ƙaruwar abun ciki na HPMC. Aikin riƙe ruwa na HPMC na iya hana substrate shan ruwa da yawa da sauri, da kuma hana fitar ruwa, don tabbatar da cewa yanayin slurry yana samar da isasshen ruwa don shayar da siminti. Bugu da ƙari, danko na hydroxypropyl methylcellulose shima yana da babban tasiri akan riƙe ruwa na turmi. Mafi girman danko, mafi kyawun riƙe ruwa. Gabaɗaya, samfuran da ke da danko na kusan 400mpa.s galibi ana amfani da su don turmi mai daidaita kai, wanda zai iya inganta aikin daidaita turmi da ƙara ɗanko na turmi.
3. Saita lokaci
HPMC yana da wani tasiri na rage gudu a kan turmi. Da ƙaruwar yawan amfani da turmi, lokacin saita turmi yana tsawaita. Tasirin rage gudu na HPMC akan manna siminti ya dogara ne akan matakin maye gurbin ƙungiyoyin alkyl, kuma ba shi da alaƙa da nauyin kwayoyin halittarsa. Ƙaramin matakin maye gurbin alkyl, girman abun ciki na hydroxyl, da kuma tasirin rage gudu. Kuma mafi girman abun ciki na HPMC, tasirin Layer ɗin fim mai rikitarwa akan jinkirin danshi na farko na siminti, don haka tasirin rage gudu shima ya fi bayyana.
4. Ƙarfin lanƙwasawa da ƙarfin matsewa
Yawanci, ƙarfi yana ɗaya daga cikin mahimman ma'aunin kimantawa don tasirin warkarwa na kayan siminti da aka yi da siminti akan cakuda. Ƙarfin matsi da ƙarfin lanƙwasa na turmi zai ragu tare da ƙaruwar abun ciki na HPMC.
5. Ƙarfin haɗin gwiwa
HPMC yana da babban tasiri akan aikin haɗin turmi.HPMCyana samar da fim ɗin polymer tare da tasirin rufewa tsakanin tsarin yanayin ruwa da barbashin ruwa na siminti, wanda ke haɓaka ƙarin ruwa a cikin fim ɗin polymer a wajen barbashin siminti, wanda ke taimakawa wajen cikakken ruwan siminti, don haka yana inganta ingancin slurry. Ƙarfin haɗin da ya taurare. A lokaci guda, ƙara adadin HPMC mai dacewa yana ƙara ƙarfin turmi da sassauci, yana rage tauri na yankin canji tsakanin turmi da haɗin substrate, kuma yana rage ikon zamewa tsakanin hanyoyin. Har zuwa wani mataki, tasirin haɗin gwiwa tsakanin turmi da substrate yana ƙaruwa. Bugu da ƙari, saboda kasancewar HPMC a cikin manna siminti, an samar da yankin canji na musamman da layin haɗin gwiwa tsakanin barbashin turmi da samfurin ruwan. Wannan layin haɗin gwiwa yana sa yankin canji na haɗin gwiwa ya fi sassauƙa kuma ba shi da tauri. Saboda haka, Turmi yana da ƙarfi mai ƙarfi na haɗin gwiwa.
Lokacin Saƙo: Afrilu-25-2024