Hydroxethyl celdlosese (Hec) ke e eketsang lisebelisoa tsa bohlokoa ka har'a pente ea pente ea bonex, e kenya letsoho likarolo tse fapaneng tsa ts'ebetso ea pente le litšobotsi tsa pente le litšobotsi. Polymer ena e feto-fetohang polymer, e tsoang Cellloulose, e fana ka melemo e mengata e ntlafatsang boleng le ts'ebetso ea pente ea latex.
1.introduduction ke Hc:
Hydroxethyl cellulosese ke motho ea se nang ionic, ea nang le metsi a qhibilihang ea nang le metsi a tsoang cellulose ka phetoho ea lik'hemik'hale. E sebelisoa haholo indastering e fapaneng, ho kenyelletsa le li-pets le makhapetla, litlolo, meralo le lisebelisoa tsa kaho, ka lebaka la thepa ea eona e ikhethang. Boemong ba lipere tsa latex tse thehiloeng metsing, hec e sebetsa e le taolo ea lintho tsa tumelo, le ho tsitsisa ha sepheo sa ho etsa.
1.Re ea hec ka mefuta ea pente ea metsi ea metsi.
Taolo ea Rheology:
Hec o bapala karolo ea bohlokoa ho laola thepa ea Rheological. Ka ho fetola khatello ea lihlahisoa tsa Hec, bahlahisi ba pente ba ka fihlela pono e lakatsehang le boits'oaro ba ho phalla.
Tšollo e nepahetseng ea litaole ea litaole ea litaole e tiisa hore pente e ka sebelisoa hantle le ka mokhoa o fapaneng, e ntlafatsa boiphihlelo ba 'mele oa bobeli.
Moemeli oa Thickening:
Joaloka moemeli ea utloisang bohloko, Hec e eketsa pono ea liforeilo tsa pente ea latox. Tšusumetso ena ea thipa e thibela ho sesa kapa ho o rotsa nakong ea kopo, haholo-holo libakeng tse otlolohileng.
Ho feta moo, HEC e ntlafatsa ho emisa ha mebala le lifilimi ka pente, ho thibela ho rarolla le ho netefatsa kabo ea mebala e tšoanang.
Stabilizer:
Hec o kenya letsoho botsitsong ba nako e telele ba lipente tse thehiloeng ho metsi ka ho thibela karohano ea mekha le thetsi.
Bokhoni ba eona ba ho theha mokhoa o tsitsitseng oa colloidal bo tiisa hore likarolo tsa pente li lula li qhalakakane, le nakong ea polokelo le lipalangoang.
Ho Boloka Metsi:
Hec o na le thepa e ntle ea metsi a phomolo a metsi a phomolo, e leng molemo nakong ea ha ho omella pente ea latex.
Ka ho boloka metsi filiming ea pente, Hec e khothalletsa ho omella junifomo, ho fokotsa ho omisa kapa ho nyenyefatsa le ho ntlafatsa ho isa karolong e ka tlase.
Sebopeho sa lifilimi:
Nakong ea methati ea ho omella le e hlomang, hec e susumetsa thetso ea filimi ea litšoantšo tsa latex.
E kenya letsoho nts'etsopele ea filimi e kopaneng le e nang le mathata, ho ntlafatsa ts'ebetso e akaretsang le ho phela nako e telele ea koae.
Thepa ea Hec:
Scoullity ea Metsi:
Hec e qhibiliha habonolo ka metsing, e lumelle habonolo ho kenyelletsa le liforomo tsa pente tse thehiloeng metsing.
SELUBITILIT ea eona e nolofalletsa ho hasana jwang pente matrix, ho netefatsa ts'ebetso e thata.
Tlhaho e seng ionic:
Ha e le polymer e sa khethong, hec e lumellana le litlatsetso tse ling tsa pente le metsoako e fapaneng.
Tlhaho ea eona ea Ionic e fokotsa kotsi ea litšebelisano tse sa rateheng kapa ho soetsehetso ea pente.
Taolo ea liketsahalo:
Hec o bonts'a limaraka tse ngata tsa liketsahalo, li lumella baetsi ba litšoantšo ho tsamaisa thepa ea Rheological ho latela litlhoko tse itseng ho latela litlhoko tse itseng ho latela litlhoko tse ikhethang.
Masira a fapaneng a Hec a fana ka maemo a fapaneng a katleho ea katleho le boits'oaro bo eketsehileng.
Ho lumellana:
Hec o lumellana le metsoako e fapaneng ea pente, ho kenyeletsa le lithupa tsa latex, mebala, biocides le baemeli ba koahelang.
Ntho e 'ngoe e mabapi le ho ntlafatsa liforomo tsa pente ea metsi a tsoang metsing, e nolofalletsa nts'etsopele ea lihlahisoa tse hlophiloeng bakeng sa lits'ebetso tse fapaneng.
3. Litekanyetso tsa Hec in peterong e thehiloeng metsing:
Likoti tsa kahare le tse kantle:
Hec e sebelisoa ka har'a li-paints tse ka hare tsa metsi tsa morao-rao tsa metsi ho fihlela thepa ea li-rheological e loketseng.
E etsa hore ho be le tšireletseho e boreleli, tšireletso e tšoanang, le ho tšoarella nako e telele ea makhapetla a pente.
Lithako tse ngotsoeng:
Maemong a pente ea pente, hec e kenya letsoho ho feto-fetoha le maemo le ho ntlafatsa ha sehlahisoa.
E thusa ho laola mokhoa oa boikhaolo le sebopeho sa papiso, o lumella hore li bōpiloe li se li felile.
Primir le liforomo tsa kahare:
Hec e kenyelletsoa ka likhopolo tsa primer le tsa inchat ho ntlafatsa ho tšoarela, ho ba le maemo le ho hanyetsa ha ho hanyetsa.
E ntšetsa pele sebopeho sa karolo ea junifomo le sekoti se tsitsitseng, se ntlafatsa moea o akaretsang le ho tšoarella ha likarale tse latelang.
Likotsi tse Ikhethileng:
Hec o fumana likopo ka likhechana tse ikhethang, tse kang lipere tsa mollo, makhapetla a khang a anti-corros le liforomo tse tlase.
Liphetoho tsa teng le ts'ebetso ea ts'ebetso li etsa hore e be ekelletsoa ke boleng ba 'marakeng o fapaneng oa niche ka har'a indasteri ea makhapetla.
Mahlaseli a a sebelisa hec ka lipente tse thehiloeng metsing:
Thepa e ntlafalitsoeng ea kopo:
Hec o kenya lipapatso tse ntle tsa phallo ea lipalesa tsa morao-rao, a netefatsa kopo e boreleli le e tšoanang.
E fokotsa litaba tse kang Mark Mark, li-stippling tsa Grash, tsa Roarling ea Roller le botenya ba hooa, e fella ka boleng ba boiphihlelo.
Ho tsitsipana le botsitso le bophelo ba sehatsetsing:
Ho eketsoa ha HEC ho ntlafatsa botsitso le papali ea sehatsetsi ea lipere tsa latex tse thehiloeng metsing ka ho thibela karohano ea mekha le thetsi.
Litokisetso tsa pente tse nang le hec li lula li le bobebe ebile li le boima haholo, li fokotsa litšila le ho netefatsa botšepehi ba sehlahisoa.
LITLHAKISO TSE KHOLO:
Baetsi ba litšoantšo ba ka etsa hore thepa ea rheological e ka khetha lipere tsa latex ka ho khetha sehlopha se nepahetseng le tsepamiso ea hec.
Ho feto-fetoha ha maemo ho lumella nts'etsopele ea liforomo tsa taid e kopanang le litlhoko tse ikhethang tsa ts'ebetso le likhetho tsa kopo.
Tharollo ea botsoalle:
Hec o tsoa ho mehloli e hatisoang e nchafalitsoeng, e e etsa ekeletsoa ka mokhoa o tsitsitseng le ea tikoloho ea lipere tse thehiloeng metsi.
Boemo ba eona ba biodegradadity le bosifi bo tlase bo kenya letsoho ho eco-eco-aco-aco-afsication ea pente ea liex, ho fetohela ka melao le melaoana ea mohaho.
Hydroxethyl cellulosese (Hec) e bapala karolo ea pente ea metsi a nang le metsi, ho laola meralo, taolo le melemo ea lintho tse matlafatsang. Ho ba le maemo, ho tsamaisana, le tlhaho e mosa ho etsa hore ke baetsi ba lipente tse batlang ho hlahisa likokoti tsa boleng bo holimo bakeng sa lits'ebetso tse fapaneng. Ka ho utloisisa thepa le lits'ebeliso tsa bona, merero ea pente li ka ntlafatsa mekhoa ea tsona ho fihlela litlhoko tsa ho fetola maemo.
Nako ea poso: Apr-26-2024