Anionic surfactant e fumanehang hokaholi-additives li ka etsa hore likaroloana tsa samente li qhalane e le hore ho lokolloe metsi a sa lefelloeng a koahetsoeng ke kakaretso ea samente, 'me motsoako oa agglomerated oa samente o arotsoe ka ho feletseng' me o na le metsi ka ho feletseng ho finyella sebopeho se teteaneng le ho eketsa matla a seretse, ho ntlafatsa ho se khonehe, ho hanyetsa ho phatloha le durability.
Seretse se kopantsoeng le li-additives se na le ts'ebetso e ntle ea ho sebetsa, tekanyo e phahameng ea ho boloka metsi, ho khomarela ka matla, ho se chefo, ho se kotsi, ho bolokehile ebile ho se na tikoloho.E loketse bakeng sa tlhahiso ea seretse se tloaelehileng sa masonry, plastering, fatše le seretse se sa keneleng metsi lifekthering tsa seretse se seng se tsoakoa, 'me se sebelisetsoa ho haha litene tsa letsopa tsa konkreite, litene tsa ceramsite, litene tse sekoti, litene tsa konkreite le litene tse sa cheng ka mefuta e fapaneng. meaho ea indasteri le ea sechaba.Kaho ea ho rala lebota ka hare le kantle, ho polastera ka konkreite e bonolo ea lebota, fatše, boemo ba marulelo, seretse se sa keneleng metsi, jj.
1. Cellulose ether
Ka seretseng se seng se kopantsoe,cellulose etherke motsoako o ka sehloohong o kenyelletsoang ka tekanyo e tlaase haholo, empa o ka ntlafatsa haholo thepa ea seretse se metsi le ho ama thepa ea kaho ea seretse.Khetho e loketseng ea li-cellulose ethers tsa mefuta e fapaneng, li-viscosity tse fapaneng, boholo bo fapaneng ba likaroloana, likhato tse fapaneng tsa viscosity le lipalo tsa tlatsetso li tla ba le phello e ntle ntlafatsong ea ts'ebetso easeretse se ommeng.
Ha ho etsoa thepa ea mohaho, haholo-holo seretse se omeletseng, cellulose ether e phetha karolo e ke keng ea nkeloa sebaka, haholo-holo tlhahiso ea seretse se khethehileng (seretse se fetotsoeng), ke karolo ea bohlokoa le ea bohlokoa.Cellulose ether e bapala karolo ea ho boloka metsi, ho tiisa, ho liehisa matla a samente a hydration, le ho ntlafatsa ts'ebetso ea kaho.Bokhoni bo botle ba ho boloka metsi bo etsa hore hydration ea samente e phethehe haholoanyane, e ka ntlafatsang viscosity e metsi ea seretse se metsi, ea ntlafatsa matla a seretse, 'me e ka fetola nako ea ts'ebetso.Ho eketsoa ha li-cellulose ethers ho seretse sa mochini oa spray ho ka ntlafatsa ho fafatsa kapa ho pompa thepa ea seretse, hammoho le matla a sebopeho.Ka hona, ether ea cellulose e sebelisoa haholo e le tlatsetso ea bohlokoa ka har'a seretse se seng se kopantsoe.
2. Redispersible polymer phofo
Phofo ea latex e ka qhaloang hapeke phofo ea thermoplastic resin e fumanoang ka ho omisa ka spray le ts'ebetso e latelang eaemulsion ea polymer.E sebelisoa haholo kahong, haholo-holo seretse sa phofo se omeletseng ho eketsehamomahano, momahano le ho tenyetseha.
Karolo ea phofo ea latex e qhalakantsoeng ka seretse: ka mor'a ho hasana haphofshoana ea polima e ka qhaloang hape, e etsa filimi 'me e sebetsa e le sekhomaretsi sa bobeli ho matlafatsa ho khomarela;colloid e sireletsang e kenngoa ke tsamaiso ea seretse 'me e ke ke ea senngoa ke metsi ka mor'a ho thehoa ha filimi kapa ho hasana ha bobeli;resin ea polymer e entsoeng ka filimi e ajoa ho pholletsa le tsamaiso ea seretse e le thepa e matlafatsang, kahoo e eketsa ho kopana ha seretse.
Ka seretse se metsi, phofshoana e qhalakahang ea polymer e ka ntlafatsa ts'ebetso ea kaho, ea ntlafatsa ts'ebetso ea phallo, ea eketsa thixotropy le sag resistance, ea ntlafatsa momahano, ea lelefatsa nako ea ho bula, le ho ntlafatsa ho boloka metsi.Ka mor'a hore seretse se phekoloe, se ka ntlafatsa matla a ho tsitsa.Matla a tsitsitseng, matla a matla a ho feto-fetoha ha maemo, ho fokotseha ha modulus ea elastic, ho holofala ho eketsehileng, ho eketseha ha matla a thepa, ho eketseha ha matla a ho apara, ho eketsa matla a ho kopanya, ho fokotsa botebo ba carbonization, ho fokotseha ha metsi a metsi, le ho etsa hore thepa e be thepa e feteletseng ea hydrophobic joalo-joalo.
Air-entraining agent, eo hape e tsejoang e le aerating agent, e bua ka ho hlahisoa ha lipululana tse ngata tse arohaneng ka mokhoa o lekanang nakong ea ho kopanya seretse, tse ka fokotsang tsitsipano ea metsi ka seretseng, e leng se etsang hore ho be bonolo ho qhalana. ho fokotsa motsoako oa seretse.Li-additives bakeng sa ho tsoa mali le ho arola.Ho phaella moo, ho kenngoa ha li-bubble tsa moea tse ntle le tse tsitsitseng ho boetse ho ntlafatsa ho sebetsa.Palo ea moea e hlahisoang e itšetlehile ka mofuta oa seretse le thepa ea ho kopanya e sebelisoang.
Le hoja palo ea li-air-entraining agent e nyenyane haholo, moemeli oa ho kenya moea o na le tšusumetso e kholo mosebetsing oa seretse se seng se lokiselitsoe.E ka ntlafatsa ka katleho ts'ebetso ea seretse se seng se lokisitsoe, sa ntlafatsa ho se kenelle le ho hanyetsa serame sa seretse, le ho fokotsa seretse se teteaneng., boloka thepa le ho eketsa sebaka sa kaho, empa ho eketsoa ha moemeli oa moea o kenang moeeng ho tla fokotsa matla a seretse, haholo-holo seretse se thibelang khatello.Ka hona, palo ea moea-entraining moemeli e lokela ho ka tieo laoloa, le diteng tsa moea tsa seretse, tshebetso ya kaho le The lekanyelitsoeng matla a ho fumana hore na palo e nepahetseng ea tlatsetso.
4. Moemeli oa matla oa pele
Moemeli oa matla a pele ke tlatsetso e ka potlakisang nts'etsopele ea matla a pele a seretse.Bongata ba tsona ke li-electrolyte tsa inorganic, 'me tse seng kae ke metsoako ea lintho tse phelang.
Moemeli oa pele oa matla bakeng sa seretse se seng se kopantsoe se hlokoa hore e be phofo le ho omella.Calcium formate ke eona e sebelisoang haholo seretseng se seng se tsoakoa.Calcium formate e ka ntlafatsa matla a pele a seretse le ho potlakisa hydration ea tricalcium silicate, e nang le phello e itseng ea ho fokotsa metsi, 'me thepa ea' mele ea khalsiamo formate e tsitsitse mocheso oa kamore.Ha ho bonolo ho agglomerate, 'me e loketse ho sebelisoa ka seretse se omileng sa phofo.
5. Moemeli oa ho fokotsa metsi
Setsi se fokotsang metsie bua ka tlatsetso e ka fokotsang palo ea ho kopanya metsi tlas'a boemo ba hore ho lumellana ha seretse ho tšoana hantle.Li-superplasticizerska kakaretso ke li-surfactants, tse ka aroloang ka: li-superplasticizer tse tloaelehileng, li-superplasticizers, li-superplasticizers tse matla tsa pele, li-superplasticizer tse liehang, li-superplasticizer tse liehang, le li-superplasticizer ho latela mesebetsi ea tsona.
Mokelikeli o fokotsang metsi o sebelisoang bakeng sa seretse se seng se tsoakoa se hlokoa hore e be phofo le ho omella.Moemeli o joalo oa ho fokotsa metsi a ka qhalakanngoa ka mokhoa o ts'oanang ka seretse se omeletseng sa phofo ntle le ho fokotsa nako ea bophelo ba seretse se seng se lokiselitsoe.Hajoale, ts'ebeliso ea seretse se fokotsang metsi ka seretse se kopantsoeng ka kakaretso ke samente ea boithaopo, gypsum self-leveling, batch scraping seretse, seretse se sa keneleng metsi, putty, joalo-joalo. likarolo tse fapaneng tsa seretse.boikhethelo.
Li-additives tsa seretse tse itokiselitseng li kenyelletsa li-retarders, accelerators,likhoele, litlolo tsa thixotropic, li-defoaming agents, joalo-joalo, tse kenyelletsoang ho ea ka mefuta e sa tšoaneng ea seretse.Li-additives tsena li sebelisoa ka har'a seretse se seng se tsoakoa ho tlisa ntlafatso ts'ebetsong e ts'oanang le linoko tsa lijo tse phehang.E eketsoa lijana ho khantša 'mala oa lijana, ho eketsa tatso, le ho notlela phepo e nepahetseng, e le hore mefuta e fapaneng easeretse se lokiselitsoeng ho tsoakae ka bapala karolo e betere.Sebetsa sa boselamose bakeng sa ts'ebeliso e ntle mererong ea seretse se omeletseng.
Nako ea poso: Aug-11-2023