Ana amfani da foda mai yawa don daidaitawa da gyara ganuwar yayin gini. Duk da haka, foda na gargajiya na al'ada yana da wuyar rushewa da laushi lokacin da aka fallasa shi da ruwa, yana shafar ingancin ginin da kuma rayuwar sabis na ginin. Hydroxypropyl methylcellulose (HPMC), a matsayin wani abu mai mahimmanci, zai iya inganta juriya na ruwa na putty foda.
1. Chemical Properties da asali ayyuka na HPMC
Hydroxypropyl methylcellulose (HPMC) ba-ionic cellulose ether ne da daban-daban ayyuka kamar thickening, film-forming, stabilization, da wetting. Ana amfani da shi sosai a kayan gini, magunguna, abinci da sauran fannoni. Tsarin kwayoyin halitta na HPMC ya ƙunshi ƙungiyoyin hydrophilic hydroxyl (-OH) da ƙungiyoyin hydrophobic hydrocarbon (-CH3, -CH2-), yana ba shi kyakkyawan ruwa da kwanciyar hankali. Waɗannan kaddarorin suna ba da damar HPMC don samar da ingantaccen maganin colloidal a cikin ruwa kuma ya haifar da tsarin cibiyar sadarwa mai yawa yayin aiwatar da magani, don haka inganta kaddarorin jiki na kayan.
2. Makanikai don inganta juriya na ruwa
2.1. Tasiri mai kauri
HPMC na iya ƙara yawan danko na slurry foda, ƙyale slurry ya samar da ingantaccen tsarin dakatarwa a cikin ruwa. A daya hannun, wannan thickening sakamako inganta gina yi na slurry da kuma rage sabon abu na delamination da zub da jini; a daya hannun, ta hanyar samar da danko slurry, HPMC rage shigar azzakari cikin farji kudi na ruwa kwayoyin, game da shi inganta yadda ya dace na putty foda. Juriya na ruwa bayan warkewa.
2.2. Kaddarorin yin fim
A lokacin aikin warkewa na putty foda, HPMC za ta samar da fim mai yawa tsakanin ciminti, ruwa da sauran sinadaran. Wannan membrane yana da ƙarancin watsa tururin ruwa kuma yana iya toshe shigar danshi yadda ya kamata. Fim ɗin da aka kafa ta HPMC kuma zai iya inganta ƙarfin injina kuma ya sa juriya na kayan aiki, yana ƙara haɓaka juriya na ruwa na foda.
2.3. Inganta juriyar tsaga
Ta hanyar inganta ma'auni na roba da kaddarorin ɓangarorin putty foda, HPMC na iya rage haɗarin fashewar bushewa da canje-canjen zafin jiki yadda ya kamata. Rage abin da ya faru na fasa zai kuma taimaka wajen inganta juriya na ruwa na putty foda, saboda tsagewa zai zama babban tashoshi don shiga ruwa.
2.4. Sarrafa halayen hydration
HPMC na iya jinkirta ƙimar amsawar hydration na ciminti, yana ba da izinin foda don samun lokaci mai tsawo don warkar da kai da ƙima yayin aiwatar da hardening. A jinkirin hydration dauki taimaka wajen samar da wani m microstructure, game da shi rage porosity na putty foda da kuma inganta hana ruwa yi na kayan.
3. Sakamakon aikace-aikacen HPMC a cikin foda
3.1. Inganta aikin gini
HPMC yana haɓaka kaddarorin rheological na putty slurry, yana sauƙaƙa wa ma'aikatan gini don yin aikin gogewa da sassautawa. Saboda kyawawan kaddarorinsa da abubuwan riƙewar ruwa, putty foda zai iya kula da yanayin da ya dace lokacin amfani da shi, rage abin da ya faru na busassun busassun da haɓaka ingancin gini.
3.2. Haɓaka kayan aikin injiniya na samfuran ƙãre
Putty foda da aka kara tare da HPMC yana da ƙarfin ƙarfin injiniya da mannewa bayan warkewa, rage yiwuwar fashewa da kwasfa. Wannan yana inganta kyakkyawan kyau da dorewar ginin gabaɗaya.
3.3. Inganta juriya na ruwa na rufin ƙarshe
Gwaje-gwaje sun nuna cewa ƙarfin saƙar foda da aka ƙara tare da HPMC yana raguwa kaɗan bayan an jika shi cikin ruwa, kuma yana nuna mafi kyawun juriya da kwanciyar hankali na hydrolysis. Wannan ya sa putty foda ta amfani da HPMC ya fi dacewa da buƙatun gini a cikin mahalli mai laushi.
4. Kariyar aikace-aikace
Kodayake HPMC yana da tasiri mai mahimmanci akan inganta juriya na ruwa na putty foda, ana buƙatar lura da wadannan maki a aikace-aikace masu amfani:
4.1. Zaɓi sashi daidai
Matsakaicin adadin HPMC yana buƙatar daidaitawa bisa ga tsari da buƙatun ginin foda. Yin amfani da yawa na iya haifar da slurry ya zama danko sosai, yana shafar ayyukan gini; rashin isasshen amfani bazai cika yin kauri da tasirin fim ba.
4.2. Synergy tare da sauran additives
Ana amfani da HPMC sau da yawa tare da sauran ethers cellulose, latex foda, plasticizers da sauran additives don cimma sakamako mafi kyau. Zaɓuɓɓuka masu ma'ana da daidaitawa na waɗannan additives na iya inganta aikin gaba ɗaya na putty foda.
4.3. Sarrafa zafin yanayi da zafi
Ana iya shafar kaddarorin riƙe ruwa na HPMC lokacin da aka yi amfani da su a cikin matsanancin zafin jiki ko ƙarancin zafi. Ya kamata a gudanar da gine-gine a ƙarƙashin yanayin zafi mai dacewa da yanayin zafi kamar yadda zai yiwu, kuma ya kamata a biya hankali ga kula da danshi na slurry.
HPMC yadda ya kamata inganta juriya na ruwa na putty foda ta hanyoyi da yawa kamar thickening, fim samuwar, inganta tsaga juriya da kuma sarrafa hydration dauki, kyale shi don nuna kyakkyawan kwanciyar hankali da karko a cikin m yanayi. Wannan ba wai kawai inganta inganci da inganci na ginin ginin ba, har ma yana haɓaka rayuwar sabis na ginin. A cikin aikace-aikacen aikace-aikacen, zaɓi mai ma'ana da amfani da HPMC da sauran abubuwan ƙari na iya ƙara haɓaka aikin putty foda da cimma sakamakon gini mai inganci.
Lokacin aikawa: Yuni-26-2024