Hydroxypropyl methylcellulose (HPMC) wani nau'in cellulose ne wanda ba ionic ba wanda aka yi shi da cellulose na halitta ta hanyar jerin hanyoyin sinadarai. Hydroxypropylmethylcellulose (HPMC) wani farin foda ne mara ƙamshi, mara ɗanɗano, kuma mara guba wanda za'a iya narkar da shi a cikin ruwan sanyi don samar da mafita mai haske. Yana da halayen kauri, ɗaurewa, wargazawa, emulsifying, ƙirƙirar fim, dakatarwa, shawa, gelling, aiki a saman, kiyaye danshi da kuma kare colloid. A cikin turmi, muhimmin aikin hydroxypropyl methylcellulose shine riƙe ruwa, wanda shine ikon turmi don riƙe ruwa.
1. Muhimmancin riƙe ruwa ga turmi
Turmi mai rashin riƙe ruwa mai kyau yana da sauƙin zubar jini da rabuwa yayin jigilar kaya da ajiya, wato, ruwa yana shawagi a saman, yashi da siminti a ƙasa, kuma dole ne a sake juyawa kafin amfani. Turmi mai rashin riƙe ruwa mai kyau, yayin da ake shafa turmi mai kyau, matuƙar turmi mai kyau yana taɓa tubalin ko tushe, turmi mai kyau zai shanye turmi mai kyau, kuma a lokaci guda, saman turmi na waje zai ƙafe ruwa zuwa sararin samaniya, wanda zai haifar da asarar ruwan turmi. Rashin isasshen ruwa zai shafi ƙarin ruwan siminti kuma ya shafi ci gaban ƙarfin turmi na yau da kullun, wanda ke haifar da ƙarancin ƙarfi, musamman ƙarfin haɗin gwiwa tsakanin turmi mai tauri da layin tushe, wanda ke haifar da fashewa da faɗuwa daga turmi.
2. Hanyar gargajiya ta inganta riƙe ruwa a turmi
Maganin gargajiya shine a shayar da tushen ruwa, amma ba zai yiwu a tabbatar da cewa an jika tushen daidai ba. Manufar da ta dace ta shayar da turmi na siminti a kan tushe ita ce: samfurin ruwan siminti yana shiga cikin tushe tare da tsarin shan ruwan tushe, yana samar da "haɗin maɓalli" mai tasiri tare da tushe, don cimma ƙarfin haɗin da ake buƙata. Ruwa kai tsaye a saman tushe zai haifar da watsewa sosai a cikin shan ruwan tushe saboda bambance-bambance a cikin zafin jiki, lokacin shayarwa, da daidaiton ruwa. Tushen yana da ƙarancin shan ruwa kuma zai ci gaba da shan ruwan a cikin turmi. Kafin ruwan siminti ya ci gaba, ana sha ruwan, wanda ke shafar shigar ruwa da samfuran ruwan siminti cikin matrix; tushe yana da babban shan ruwa, kuma ruwan da ke cikin turmi yana kwarara zuwa tushe. Matsakaicin saurin ƙaura yana da jinkiri, har ma da Layer mai wadataccen ruwa yana samuwa tsakanin turmi da matrix, wanda kuma yana shafar ƙarfin haɗin. Saboda haka, amfani da hanyar ban ruwa ta gama gari ba wai kawai zai kasa magance matsalar shan ruwa mai yawa na tushen bango yadda ya kamata ba, har ma zai shafi ƙarfin haɗin da ke tsakanin turmi da tushe, wanda ke haifar da rami da tsagewa.
3. Ingantaccen riƙe ruwa
(1) Kyakkyawan aikin riƙe ruwa yana sa turmi ya buɗe na dogon lokaci, kuma yana da fa'idodin gina babban yanki, tsawon rai a cikin ganga, da haɗa rukuni da amfani da rukuni.
(2) Kyakkyawan aikin riƙe ruwa yana sa simintin da ke cikin turmi ya jike sosai, yana inganta aikin haɗin turmi yadda ya kamata.
(3) Turmi yana da kyakkyawan aikin riƙe ruwa, wanda ke sa turmi ya zama mai sauƙin rabuwa da zubar jini, wanda ke inganta aiki da kuma iya gina turmi.
Lokacin Saƙo: Maris-20-2023