Cellulose ethers wani muhimmin nau'i ne na additives multifunctional, waɗanda aka yi amfani da su sosai a fagen kayan gini don inganta aikin samfur. Musamman a cikin tile adhesives, cellulose ethers na iya inganta haɓakar kayansu na zahiri da na sinadarai, inganta aikin gini, da haɓaka ƙarfin haɗin gwiwa da dorewa.
1. Abubuwan asali na ethers cellulose
Cellulose ethers ne abubuwan da aka samu ta hanyar sinadarai gyare-gyare na halitta cellulose, kuma na kowa wadanda sun hada da methyl cellulose (MC), hydroxypropyl methyl cellulose (HPMC), hydroxyethyl cellulose (HEC), da dai sauransu Its main halaye ne cewa shi ne mai narkewa a cikin ruwa, forming wani high-danko bayani, kuma yana da kyau kwarai film thickening, ruwa Properties. Wadannan halaye suna sa ethers cellulose suna taka muhimmiyar rawa a cikin mannen tayal.
2. Inganta ruwa
2.1 Muhimmancin riƙe ruwa
Riƙewar ruwa na tile adhesives yana da mahimmanci ga aikin gini da ƙarfin haɗin gwiwa. Kyakkyawan riƙewar ruwa zai iya tabbatar da cewa manne yana da danshi mai dacewa yayin aikin warkewa, ta haka ne tabbatar da cikakken ruwan siminti. Idan riƙewar ruwa bai isa ba, ruwa yana ɗaukar sauƙi ta hanyar substrate ko yanayi, yana haifar da rashin cika ruwa, wanda ke rinjayar ƙarfin ƙarshe da haɗin kai na m.
2.2 Tsarin riƙe ruwa na ether cellulose
Cellulose ether yana da matuƙar ƙarfin riƙe ruwa kuma yana iya ɗaure adadi mai yawa na kwayoyin ruwa akan sarkar kwayoyin halitta. Maganin ruwa mai ƙarfi na danko mai girma zai iya samar da daidaitaccen rarraba ruwa a cikin manne kuma ya kulle ruwa ta hanyar aikin capillary a cikin hanyar sadarwa mai mannewa don hana ruwa daga rasa da sauri. Wannan tsarin kula da ruwa ba wai kawai ya dace da hydration dauki na siminti ba, amma kuma zai iya tsawaita lokacin budewa na mannewa da inganta sassaucin gini.
3. Inganta aikin gini
3.1 Tsawaita lokacin buɗewa
Gabatarwar ether cellulose yana ƙara buɗe lokacin buɗewa na tile adhesives, wato, lokacin lokacin da mannen ya kasance mai ɗaci bayan an yi amfani da shi a saman ƙasa. Wannan yana ba ma'aikatan ginin ƙarin lokaci don daidaitawa da shimfiɗa tayal, ta yadda za a rage lahani na ginin da ya haifar da matsin lokaci.
3.2 Inganta aikin hana sagging
A lokacin aikin ginin, manne zai iya raguwa saboda nauyi bayan an shimfiɗa tayal ɗin, musamman idan aka yi amfani da shi akan saman tsaye. Sakamakon thickening na cellulose ether zai iya inganta anti-sagging dukiya na m, tabbatar da cewa ba ya zamewa a lokacin da manne da tayal. Wannan kadarar tana da mahimmanci musamman don tabbatar da daidaito da ƙa'idodin shimfidar tayal gabaɗaya.
3.3 Inganta lubricity da aiki
Lubricity na ether cellulose yana inganta aiki na tile adhesives, yana sa su sauƙi a shafa kuma su daidaita. Wannan dukiya yana taimakawa wajen rage wahala da lokacin gini da inganta ingantaccen gini.
4. Haɓaka ƙarfin haɗin gwiwa
4.1 Inganta mannewa na farko
Maganin babban danko da aka kafa ta cellulose ether a cikin maganin ruwa mai ruwa zai iya kara yawan mannewa na farko na tile adhesives, samar da mannewa nan da nan lokacin da aka shimfiɗa tayal da kuma guje wa zamewar tayal ko rushewa.
4.2 Haɓaka ruwan siminti
Kyakkyawan aikin riƙewar ruwa na ether cellulose yana tabbatar da cikakken hydration dauki na siminti, ta haka ne samar da ƙarin kayan hydration (kamar hydrated calcium silicate), wanda ke haɓaka ƙarfin haɗin gwiwa na manne. Wannan tsari ba wai kawai yana inganta ƙarfin injiniya na manne ba, amma kuma yana inganta ƙarfinsa da juriya.
5. Ingantacciyar karko da juriya
5.1 Ingantacciyar juriya-narke
Cellulose ethers suna inganta juriya na daskarewa na tile adhesives ta hanyar inganta rikitaccen ruwa da ƙaƙƙarfan mannen tayal, rage saurin ƙaura da asarar ruwa. Wannan haɓakawa yana ba da damar mannewa don kula da ingantaccen aiki ko da a cikin yanayin sanyi mai tsanani kuma ba shi da yuwuwar fashe ko karyewa.
5.2 Inganta juriya
A lokacin aikin warkarwa na manne, tsarin cibiyar sadarwa mai yawa da aka kafa ta hanyar ethers cellulose yana taimakawa wajen rage raguwar siminti da kuma rage haɗarin fashewar lalacewa ta hanyar raguwa. Bugu da kari, da thickening sakamako na cellulose ethers sa m don mafi alhẽri cika da rata tsakanin tayal da substrate, kara inganta da kwanciyar hankali na bonding interface.
6. Sauran ayyuka
6.1 Samar da lubrication da anti-sagging Properties
Lubrication na ethers cellulose ba kawai yana taimakawa aikin aiki ba, amma har ma yana rage abubuwan da ke faruwa na mannewa yayin aiwatar da aikace-aikacen, yana tabbatar da daidaito da kwanciyar hankali yayin aiwatar da aikace-aikacen.
6.2 Inganta jin daɗin gini
Ta hanyar haɓaka danko da lokacin ginin mannewa, ether cellulose yana inganta haɓakar ginin, yana barin ma'aikatan gine-gine su daidaita matsayi na fale-falen da sauƙi, rage lahani na ginin da kuma sake yin aiki.
7. Aikace-aikacen Misalan Cellulose Ether
A cikin takamaiman aikace-aikace, ether cellulose yana haɓaka ingancin aikin gabaɗaya ta hanyar haɓaka aikin adhesives na tayal. Misali, a wasu wurare masu zafi ko ƙarancin zafi, manne na yau da kullun na iya fuskantar matsalar asarar ruwa cikin sauri, yana haifar da matsalolin gini da ƙarancin ƙarfi. Bayan ƙara ether cellulose, manne zai iya kula da kiyaye ruwa mai kyau, kauce wa waɗannan matsalolin, don haka tabbatar da ingancin aikin.
Cellulose ether yana inganta aikin mannen tayal ta hanyar kyakkyawar riƙewar ruwa, kauri da lubricant. Ba wai kawai yana inganta aikin ginin ba, ƙarfin haɗin gwiwa da dorewa na m, amma kuma yana inganta dacewa da amincin ginin. Waɗannan gyare-gyare ba wai kawai inganta ingancin aikin gaba ɗaya ba, har ma suna ba da sassauci da kwanciyar hankali ga tsarin gini. Sabili da haka, a matsayin maɓalli mai mahimmanci, aikace-aikacen ether cellulose a cikin tile adhesives yana da mahimmanci mai amfani da ƙima.
Lokacin aikawa: Juni-24-2024