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Mabapi le li-Defoamers (Antifoam)

Ho na le mefuta e mengata eaLi-defoamers'me li sebelisoa haholo. Mokhoa oa "ho hatella foam" le "foam breaking" ea defoamer ke: ha defoamer e kenngoa tsamaisong, limolek'hule tsa eona li aroloa ka mokhoa o sa reroang holim'a metsi, li thibela ho thehoa ha filimi e otlolohileng, ke hore, ho felisa moloko oa foam. Ha tsamaiso e hlahisa foam e ngata, eketsa defoamer, limolek'hule tsa eona hang-hang li hasana holim'a foam, li hasana ka potlako, li theha lera le lesesaane le lenyenyane la filimi e 'meli, le tsoela pele ho hasana, le phunyeletse, le hlasela ka lihlopha, kahoo le nkela sebaka sa lebota le tšesaane la filimi ea pele ea foam. Ka lebaka la tsitsipano e tlaase ea holim'a metsi, e phallela ho mokelikeli o nang le tsitsipano e phahameng ea holim'a metsi e hlahisang foam, e le hore limolek'hule tsa defoamer tse nang le khatello e tlaase ea holim'a metsi li tsoele pele ho hasana le ho kenella pakeng tsa sebopeho sa khase-metsi, ho etsa hore lebota la filimi le be mosesaane ka potlako, 'me foam e boetse e ameha ke sebaka se potolohileng. Lera la filimi le nang le tsitsipano e phahameng le hula ka matla, e le hore khatello ea kelello e pota-potileng foam e se ke ea leka-lekana, e lebisang ho "foam" ea eona. Limolek'hule tsa defoamer tse sa tsitsang tsamaisong li tla boela li kene ka holim'a filimi e 'ngoe ea foam, joalo-joalo, foam eohle e tla timetsoa ka ho feletseng.

Mokhoa oa ho khetha e nepahetsengAntifoam

Ho hlahisa le ho hahoa ha litlolo ho tla hlahisa li-bubble ho ea ka likhato tse sa tšoaneng. Moloko oa li-bubble o sitisa tsoelo-pele e ntle ea tlhahiso le kaho, 'me ka nako e ts'oanang e tlisa mefokolo ho filimi e phethiloeng ea ho roala. Khetho e nepahetseng ea defoamer e loketseng e ka netefatsa tsoelo-pele e tloaelehileng ea tlhahiso ea ho roala le ho haha.

Mosebetsi oa defoamer: senya filimi ea metsi holim'a bubble, thibela ho thehoa ha bubble le ho khothalletsa ho putlama ha bubble. Defoamer e sebelisoa bakeng sa li-bubble tse kholo, 'me microfoam e hloka ho sebelisoa hammoho le ho senya le ho senya.

Likarolo tsa Defoamer: Defoamer ha e qhibilihe bohareng, empa e ka kena le ho hasana bohareng ka sebopeho sa li-microdroplets. Bophara bo sebetsang ka ho fetisisa ba li-microdroplets tsa defoamer bo lekana le botenya ba lerako la foam.

Sebopeho sa Defoamer:Li-defoamersbakeng sa liphahlo tsa meralo ea metsi li arotsoe ka mefuta e seng ea silicon le e nang le silicon. TloaelehilengLi-defoamersli entsoe ka likarolo tse latelang:

Ntho e sebetsang: E ​​sebetsa joalo ka ntho e pshatlang lekoeba le ho tlosa lekoba le nang le tsitsipano e tlase. Baemeli ba kenyelletsa oli ea liphoofolo le meroho, silika ea hydrophobic, joala bo phahameng, joalo-joalo.

Diffusion agent: Wetting emulsifier ho etsa bonnete ba hore marotholi a manyane a thethefatsang a hasana le ho ikopanya le filimi ea bubble le ho hasana. Ho na le non(octyl) phenol polyoxyethylene ether, sesepa letsoai joalo-joalo.

Carrier: E thusa ntho e sebetsang ho kopana le tsamaiso ea ho phophoma, 'me ho bonolo ho hasana ka har'a tsamaiso ea ho phophoma. Ho kopanya tsena tse peli, e na le tsitsipano e tlase holimo, e thusa ho hatella foam, 'me e ka fokotsa litšenyehelo.

Maemo a mabeli a tlameha ho finyelloa bakeng sa defoaming: ntlha ea ho kenella: E = γ1 + γ12-γ3 > 0, ho netefatsa hore defoamer e kenella leboteng la foam; spreading factor S=γ1-v12-γ3 >0, ho etsa bonnete ba hore marotholi a defoamer Diffusion a hasana mecheng ea litaba ea foam.

Haeba u batla ho tseba haholoanyane kaAntifoam, ka kopo ikopanyeYuncang: sales@yuncangchemical.com. leave your contact information

Li-defoamers

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  • Nako ea poso: Jan-09-2023

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