Haufinyane tjena, ho bile le lipotso khafetsa ho tsoa ho bareki mabapi le phofo ea putty, joalo ka tšekamelo ea eona ea ho phunya kapa ho se khone ho fumana matla.Hoa tsebahala hore ho eketsacellulose etherhoa hlokahala ho etsa putty powder, 'me basebelisi ba bangata ha ba kenye phofo ea latex e qhalakahang.Batho ba bangata ha ba kenye phofo ea sekhomaretsi ho boloka litšenyehelo, empa sena hape ke senotlolo sa hore na hobaneng putty e tloaelehileng e tloaetse ho phunya le litaba tsa boleng ba sehlahisoa!
Phofo ea latex e ka qhaloang hape
Ordinary putty (joalo ka 821 putty) e entsoe haholo ka phofo e tšoeu, sekhomaretsi se senyenyane sa starch, le CMC (hydroxymethyl cellulose), hape ho na le tse entsoeng ka methyl cellulose le phofo e habeli ea fly.Mofuta ona oa putty ha o na sekhomaretsi ebile ha o thibele metsi.
Ka mor'a ho qhala selulose le metsi, e ka monya metsi le ho hola.Sekhahla sa ho monya metsi sa lihlahisoa tse tsoang ho bahlahisi ba fapaneng se fapane, 'me selulose e bapala karolo ea ho boloka metsi ho putty.Ka mor'a ho omisa, putty e na le matla a itseng ka nakoana feela, empa ha nako e ntse e ea, butle-butle e tla lahleheloa ke phofo, e amanang haufi-ufi le sebopeho sa limolek'hule tsa cellulose ka boeona.Mofuta ona oa putty o hlephileng, o na le metsi a mangata, o atisa ho ba phofo, o haelloa ke matla le ho phutholoha.Haeba topcoat e sebelisoa holim'a eona, PVC e tlaase e na le bothata ba ho phatloha;PVC e phahameng e na le tšekamelo ea ho felloa ke metsi 'meleng, ho fokotseha, le ho phunyeha;Ka lebaka la tekanyo e phahameng ea ho monya metsi, e ama sebopeho sa filimi le phello ea kaho ea topcoat.
Ho ntlafatsa lintlha tse kaholimo ka putty, o ka fetola foromo ea putty mme oa eketsa phofo ea latex e ka sebelisoang hape ho ntlafatsa matla a morao a putty.Khetha hydroxypropyl methyl cellulose ea boleng bo holimoHPMCka netefatso ya boleng.Hydroxypropyl methyl cellulosee na le tekanyo ea ho boloka metsi ea selulose ea boleng bo phahameng, e ka khonang ho kenya metsi ka botlalo lisebelisoa tse tala le ho ntlafatsa boleng ba putty.
Ho tla ba le phello efe ho putty powder haeba palo ea "latex" ea "redispersible latex powder" e kenyellelitsoeng nakong ea tlhahiso ea putty e sa lekana, kapa haeba ho sebelisoa phofo e tlaase ea "latex" e tlaase?
Chelete e sa lekaneng eaphofshoana ea morao-rao ea latexe kenyellelitsoeng ho putty ke ponahatso e tobileng ka ho fetisisa ea lesela le hlephileng la putty, phofo ea holim'a metsi, tšebeliso e phahameng ea pente ha u sebelisa topcoat, boemo bo bobe, sebaka se thata ka mor'a ho thehoa ha filimi, le bothata ba ho etsa filimi e teteaneng ea pente.Mabota a joalo a atisa ho ebola, ho phunya, ho phunya le ho phunyeha ha filimi ea pente.Haeba ho khethoa phofo e tlaase ea putty, tekanyo ea kotsi ho 'mele ea batho e bakoang ke likhase tse kotsi tse kang formaldehyde e hlahisoang leboteng e hlakile.
Ho fetola boemo ba hona joale, hoa hlokahala ho tlosa putty eohle e tlase ntle le ho siea masala, ebe u reka putty e tšoanelehang le pente ea latex!E le ho qoba tahlehelo e sa hlokahaleng, bareki ba lokela ho leka ho khetha lihlahisoa tsa lihlahisoa tse kholo tse nang le tiiso ea boleng bakeng sa khetho ea putty.
longou Company e sebetsa ka ho khetheha tlhahisong le thekisong ea likhoele tsa lehong, starch ether, hydroxypropyl methyl cellulose, redispersible latex powder.
Nako ea poso: Sep-06-2023