Hydroxypyl methypze (HPMAC) pellulose ne na ethululose wanda ba ionic da aka yi daga tsarin polymer na halitta ba. Hydroxypropylmetlcellulose (hpmc) mai kamshin shi ne, mai ƙanshi mai ban sha'awa wanda za'a iya narkar da foda mai guba wanda za'a iya narkar da shi a cikin ruwan sanyi don samar da mafita mai kyau. Yana da kaddarorin thickening, ɗauri, watsawa, emulsify, emping, m, danshi da kare Colloid. A cikin turmi, muhimmiyar aiki ne na hydroxypropyl methylcellulose shine riƙewar ruwa, wanda shine ikon tilastawa don riƙe ruwa.
1. Muhimmancin riƙe ruwa don turmi
Trigin kofa tare da ƙawancen ruwa mai sauƙi yana da sauƙin zub da jini da rarrabe yayin sufuri da ajiya, yashi da ciminti sun nutse a ƙasa, kuma dole ne a sake yin zuga kafin amfani. Turmi mara kyau tare da tsayayyen ruwa, a cikin aiwatar da smearing, muddin da turmi mai hade yana cikin hulɗa da ruwa ko kuma a lokaci guda, sararin samaniya na yau da kullun A turmi zai kwarara ruwa a cikin yanayi, yana haifar da asarar ruwa na turmi. Rashin isasshen ruwa zai shafi ƙarin hydration na ciminti kuma zai shafi ci gaban gungun gaba na ƙarfin guguwa, musamman ƙarfin ƙwarewa, wanda ya haifar da fatattaka da faduwa daga turmi.
2. Hanyar gargajiya ta inganta rayarwar ruwa na turmi
Magani na gargajiya shine ruwa a gindi, amma ba shi yiwuwa a tabbatar da cewa tushe yana da janta shi. Ainihin hydration manufa na ciminti yana tururuwa akan tushe shine: samfurin hydration na ɗaukar ruwa, don samun ingantaccen ƙarfin "mahaɗin mahaɗan" tare da ginin maɓallin "tare da ginin maɓallin" tare da ginin maɓallin da ake buƙata, don cimma ƙarfin haɗin da ake buƙata. Watering kai tsaye a farfajiya na tushe zai haifar da mummunan watsawa a cikin shan ruwa sakamakon zazzabi, lokacin shayarwa, da kuma daidaituwa. The gindi bashi da karfin ruwa kuma zai ci gaba da shan ruwan a cikin turmi. Kafin ciminti ya ci gaba, ruwan yana tunawa, wanda ke shafar shigar da shigarwar ciminti da samfuran hydration a cikin matrix; The gindi yana da babban ruwa ruwa, kuma ruwan a cikin turmi ya gudana zuwa gindi. Matsakaicin ƙaura mai sauri yana da jinkirin, har ma da wani lokaci mai arzikin ruwa ana ƙirƙirar tsakanin turmi da matrix, wanda shima yana shafar ƙarfin haɗin. Therefore, using the common base watering method will not only fail to effectively solve the problem of high water absorption of the wall base, but will affect the bonding strength between the mortar and the base, resulting in hollowing and cracking.
3. Ingantaccen riƙe ruwa
(1) kyakkyawan aikin riƙewar ruwa yana sa turmi na ɗan lokaci kaɗan, kuma yana da fa'idodin manyan gine-gine, rayuwa mai tsawo a cikin ganga, da kuma amfani da tsari da amfani da tsari.
(2) Ayyukan riƙewar ruwa mai kyau yana sa ciminti a cikin turmi cikakke, haɓaka yadda ya kamata inganta aikin haɗin turmi.
(3) turmi yana da kyakkyawan aikin riƙewar ruwa, wanda ke sa turmi ƙasa da rarrabuwa da zubar da jini, wanda ke inganta aikin turmi.
Lokaci: Mar-20-2023