Udaka oluzilinganisayo lunokuxhomekeka kubunzima balo ukwenza isiseko esisicaba, esigudileyo kunye nesiqinileyo kwi-substrate yokubeka okanye ukudibanisa ezinye izinto. Kwangaxeshanye, inokuqhuba ulwakhiwo olukhulu nolusebenzayo. Ngoko ke, i-fluidity ephezulu yinto ebaluleke kakhulu ye-self-leveling mortar Ukongeza, kufuneka ibe nokugcinwa kwamanzi athile kunye namandla okudibanisa, akukho nto yokwahlula kwamanzi, kwaye ibe neempawu zokufudumeza ukushisa kunye nokunyuka kweqondo lokushisa eliphantsi.
Ngokubanzi, udaka oluzilinganisa ngokwalo lufuna ubumanzi obulungileyo. I-ether ye-cellulose iyona nto yokongeza i-mortar esele ixutywe. Nangona imali eyongeziweyo iphantsi kakhulu, inokuphucula kakhulu ukusebenza kodaka. Inokuphucula ukuhambelana, ukusebenza kunye nokudityaniswa kodaka. ukusebenza kunye nokugcinwa kwamanzi. Idlala indima ebaluleke kakhulu kwintsimi yodaka olulungeleyo.
1 ubumanzi
I-ether ye-cellulose inempembelelo ebalulekileyo ekugcinweni kwamanzi, ukuhambelana kunye nokusebenza kokwakhiwa kwe-self-leveling mortar. Ngokukodwa njengodaka lokuzilinganisa, ukumanzi sesinye sezibonakaliso eziphambili zokuvavanya ukusebenza kokuzilinganisa. Ngaphantsi kwesiseko sokuqinisekisa ukubunjwa okuqhelekileyo kodaka, ukunyanzeliswa kodaka kunokulungiswa ngokutshintsha inani le-cellulose ether. Nangona kunjalo, ukuba idosi iphezulu kakhulu, i-fluidity ye-mortar iya kuncitshiswa, ngoko ke idosi ye-cellulose ether kufuneka ilawulwe ngaphakathi koluhlu olufanelekileyo.
2 ukugcinwa kwamanzi
Ukugcinwa kwamanzi kwi-mortar yisalathisi esibalulekileyo sokulinganisa ukuzinza kwamacandelo angaphakathi kwi-sand mortar ye-cement. Ukuze ufezekise ngokupheleleyo ukuphendulwa kwe-hydration yezinto ze-gel, isixa esifanelekileyo se-cellulose ether sinokugcina umswakama kwi-mortar ixesha elide. Ngokuqhelekileyo, izinga lokugcinwa kwamanzi kwi-slurry liyenyuka ngokunyuka kwe-cellulose ether content. Ukugcinwa kwamanzi kwi-ether ye-cellulose kunokuthintela i-substrate ekufunxeni amanzi amaninzi ngokukhawuleza, kwaye ithintele ukuphuphuma kwamanzi, ukuze kuqinisekiswe ukuba indawo yodaka inika amanzi aneleyo kwi-samente hydration. Ukongezelela, i-viscosity ye-cellulose ether nayo inempembelelo enkulu ekugcinweni kwamanzi omdaka. Ukuphakama kwe-viscosity, ngcono ukugcinwa kwamanzi. Ngokuqhelekileyo, i-cellulose ether ene-viscosity ye-400mpa.s isetyenziswa kakhulu kwi-self-leveling mortar, enokuthi iphucule ukusebenza komgangatho wodaka kunye nokwandisa ukuqina kodaka.
3 ixesha lokujika
I-ether ye-Cellulose inefuthe elithile lokunciphisa udaka. Ngokunyuka komxholo we-cellulose ether, ixesha lokumisela lomdaka lithatha ixesha elide. Isiphumo esibambekayo se-cellulose etere kwintlama yesamente ixhomekeke ikakhulu kwiqondo lokuthatha indawo yeqela le-alkyl, kwaye ayinanto yakwenza nobunzima bayo bemolekyuli. Incinci idigri ye-alkyl substitution, isikhulu isiqulatho se-hydroxyl, kunye nokucaca ngakumbi isiphumo sokubuyiswa. Kwaye okukhona uphezulu umxholo we-cellulose ether, kokukhona kubonakala ngakumbi isiphumo sokulibaziseka somaleko wefilimu entsonkothileyo kwi-hydration yokuqala yesamente, ngoko ke isiphumo sokubambezela sikwabonakala ngakumbi.
4 Amandla e-Flexural kunye namandla acinezelayo
Ngokuqhelekileyo, amandla yenye yezalathisi ezibalulekileyo zovavanyo lwesiphumo sokuphilisa sesamente esekwe kwimathiriyeli yesamente kumxube. Xa umxholo we-cellulose ether ukhula, amandla oxinzelelo kunye namandla okuguquguquka kodaka luya kuncipha.
5 amandla bond
I-ether ye-cellulose inempembelelo enkulu ekusebenzeni kokubambisana kodaka. I-cellulose ether yenza ifilimu ye-polymer enefuthe lokutywinwa phakathi kweengqungquthela ze-sement hydration kwinkqubo yesigaba se-liquid, ekhuthaza amanzi amaninzi kwifilimu ye-polymer ngaphandle kweengqungquthela ze-cement, ezihambelana nokuhanjiswa okupheleleyo kwe-cement, ngaloo ndlela kuphuculwe ibhondi. amandla entlama emva kokuqina. Kwangaxeshanye, isixa esifanelekileyo se-cellulose ether sonyusa iplastiki kunye nokuguquguquka kodaka, kunciphisa ukuqina kwendawo yenguqu ye-interface phakathi kodaka kunye ne-substrate, kunye nokunciphisa ukukwazi ukutyibilika phakathi kwe-interfaces. Ukuya kumlinganiselo othile, impembelelo yokudibanisa phakathi kodaka kunye ne-substrate iphuculwe. Ukongezelela, ngenxa yobukho be-cellulose ether kwi-sement paste, indawo ekhethekileyo yokutshintshwa kwendawo kunye ne-interface layer yenziwa phakathi kweengqungquthela zodaka kunye nemveliso ye-hydration. Lo maleko wojongano lwenza ujongano lwezowuni lubhetyebhetye kwaye lube ngqongqo kancinci, ngoko ke, ukuze udaka lube namandla ebhondi eyomeleleyo.
Ixesha lokuposa: Mar-14-2023