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Lihlahisoa tsa rona tsa mantlha: Amino silicone, block silicone, silicone ea hydrophilic, silicone emulsion kaofela, e ntlafatsa ho kolobisa ka potlako, se lelekang metsi (Fluorine mahala, Carbon 6, Carbon 8), lik'hemik'hale tse hlatsoang demin (ABS, Enzyme, Spandex protector, Manganese remover ), Linaha tse kholo tsa kantle ho naha: India, Pakistan, Bangladesh, Türkiye, Indonesia, Uzbekistan, joalo-joalo, lintlha tse ling ka kopo ikopanye : Mandy +86 19856618619 (Whatsapp)

 

Bothata ba ho hloekisoa ha lekoeba ho hloekisoa ha metsi bo makalitse batho ba bangata. Boemong ba pele ba ho laela, foam, foam surfactant, foam e amang, foam peroxide, foam e hlahisoang ke ho eketsa bactericide e seng oxidizing ho potoloha phekolo ea metsi, joalo-joalo, kahoo ho sebelisoa ha defoamer kalafo ea metsi ho tloaelehile. Sengoliloeng sena se kenyelletsa ka botlalo molao-motheo, likarolo, khetho le litekanyetso tsa defoamer!

★ Ho felisoa ha foam

1. Mekhoa ea 'mele

Ho ea ka pono ea 'mele, mekhoa ea ho tlosa foam haholo-holo e kenyelletsa ho beha baffle kapa filthara skrineng, ho ferekanngoa ha mochini, motlakase o tsitsitseng, leqhoa, ho futhumatsa, mouoane, mahlaseli a mahlaseli a kotsi, centrifugation ka lebelo le phahameng, ho fokotsa khatello, ho sisinyeha ha maqhubu a phahameng, ho tsoa hang-hang. le ultrasonic (taolo ea acoustic liquid). Mekhoa ena kaofela e khothalletsa sekhahla sa phetisetso ea khase lipheletsong tse peli tsa filimi ea mokelikeli le ho ntšoa ha mokelikeli oa filimi ea bubble ho ea ho likhato tse fapaneng, ho etsa hore boemo ba botsitso ba foam bo fokotsehe ho feta ntlha ea attenuation, e le hore palo ea foam e fokotsehe butle-butle. Leha ho le joalo, bofokoli bo tloaelehileng ba mekhoa ena ke hore e thibetsoe haholo ke maemo a tikoloho 'me e na le sekhahla se tlaase sa ho senya. Melemo ke tšireletso ea tikoloho le sekhahla se phahameng sa tšebeliso hape.

2. Mekhoa ea lik'hemik'hale

Mekhoa ea lik'hemik'hale ea ho felisa foam haholo-holo e kenyelletsa mokhoa oa ho itšoara ka lik'hemik'hale le ho eketsa defoamer.

Mokhoa oa karabelo ea lik'hemik'hale o bua ka karabelo ea lik'hemik'hale lipakeng tsa ntho e phophomang le ntho e phophomang ka ho eketsa li-reagents tse ling ho hlahisa lintho tse sa qhibiliheng ka metsing, ka hona ho fokotsa bongata ba surfactant filiming ea mokelikeli le ho khothaletsa ho phatloha ha foam. Leha ho le joalo, mokhoa ona o na le mefokolo e itseng, joalo ka ho se ts'oanehe ha sebopeho sa moemeli oa foaming le kotsi ea lintho tse sa tsitsang ho lisebelisoa tsa sistimi. Mokhoa o sebelisoang ka ho fetesisa oa ho tlosa makhopho liindastering tse fapaneng mehleng ena ke mokhoa oa ho eketsa li-defoam. Monyetla o moholo ka ho fetisisa oa mokhoa ona ke ts'ebetso ea oona e phahameng ea ho senya le ho sebelisoa habonolo. Leha ho le joalo, ho fumana defoamer e loketseng le e sebetsang ke senotlolo.

★Molao-motheo oa defoamer

Li-defoam, tse tsejoang hape e le li-defoamers, li na le melao-motheo e latelang:

1. Mokhoa oa ho fokotsa tsitsipano ea sebaka sa foam sebakeng se lebisang ho phatloha ha foam ke hore lino tse tahang tse phahameng kapa oli ea meroho li fafatsoa holim'a foam, 'me ha li qhibiliha ka mokelikeli oa foam, tsitsipano ea holim'a metsi e tla fokotseha haholo. Hobane lintho tsena ka kakaretso li na le ho qhibiliha ho tlase metsing, phokotso ea tsitsipano ea holim'a metsi e lekanyelitsoe karolong ea sebaka sa foam, athe tsitsipano e holim'a foam e batla e se na phetoho. Karolo e nang le tsitsipano e fokotsehileng holim'a metsi e huloa ka matla le ho atolosoa ka mahlakoreng 'ohle,' me qetellong ea robeha.

2. Ho timetsoa ha lera elasticity isang bubble robeha defoamer phaella ka ho re ho tsamaiso ea bubble, e leng tla diffuse ho segokanyimmediamentsi sa sebolokigolo khase, etsa hore ho be thata ho surfactant le bubble e tsitsisa phello ho hlaphoheloa lera elasticity.

3. Li-defoam tse khothalletsang ho phalla ha filimi ea metsi li ka khothalletsa metsi a filimi ea metsi, kahoo a etsa hore li-bubble li phatlohe. Sekhahla sa metsi a foam se ka bonahatsa botsitso ba foam. Ho eketsa ntho e potlakisang metsi a foam le hona ho ka bapala karolo ea ho tlosa lekoba.

4. Ho eketsa likaroloana tse tiileng tsa hydrophobic ho ka etsa hore li-bubble li phatlohe holim'a li-bubble. Likaroloana tse tiileng tsa hydrophobic li hohela pheletso ea hydrophobic ea surfactant, e etsa hore likaroloana tsa hydrophobic li be hydrophilic mme li kene mothating oa metsi, ka hona li bapala karolo ea ho senya.

5. Li-solubilizing le tse foaming surfactants li ka etsa hore lipulune li phatlohe. Lintho tse ling tse tlaase tsa boima ba limolek'hule tse ka kopanngoang ka ho feletseng le tharollo li ka qhibilihisa surfactant 'me tsa fokotsa khatello ea eona e sebetsang. Lintho tse tlase tsa limolek'hule tse nang le phello ena, joalo ka octanol, ethanol, propanol le lino tse ling tse tahang, li ke ke tsa fokotsa feela mahloriso a surfactant sebakeng se kaholimo, empa hape li qhibiliha ka har'a sekhahla sa adsorption, ho fokotsa ho kopana ha limolek'hule tsa surfactant, ka hona ho fokolisa botsitso. ea foam.

6. Electrolyte breakdown surfactant double electric layer e phetha karolo ea defoaming tšebelisanong ea surfactant habeli lera la motlakase le foam ho hlahisa mokelikeli o tsitsitseng o phoroselang. Ho eketsa electrolyte e tloaelehileng ho ka putlama lera la motlakase la surfactant habeli.

★ Sehlopha sa li-defoamers

Li-defoamers tse sebelisoang hangata li ka aroloa ka silicone (resin), surfactant, alkane, le oli ea diminerale ho latela sebopeho sa tsona.

1. Li-silicone (resin) defoamers, tse tsejoang hape e le emulsion defoamers, li sebelisoa ka emulsifying le ho qhalakanya resin ea silicone ka li-emulsifiers (li-surfactants) ka metsing pele li e kenya metsing a litšila. Silicon dioxide phofo e ntle ke mofuta o mong oa silicon-based defoamer e nang le phello e ntle ea ho senya.

2. Li-surfactants tse joalo li na le li-emulsifiers, ke hore, li sebelisa ho qhalakanngoa ha li-surfactants ho boloka foam e etsa lintho ka mokhoa o tsitsitseng oa emulsified ka metsing, e le ho qoba ho thehoa ha foam.

3. Alkane based defoamers ke defoamers e entsoeng ka emulsifying le ho hasanya boka ba parafine kapa derivatives eona sebelisa emulsifiers. Tšebeliso ea bona e tšoana le ea surfactant based emulsifying defoamers.

Oli ea 4.Mineral ke karolo e ka sehloohong ea ho senya. Ho ntlafatsa phello, ka linako tse ling sesepa sa tšepe, oli ea silicone, silika le lintho tse ling li kopantsoe hammoho bakeng sa tšebeliso. Ntle le moo, ka linako tse ling li-surfactants tse fapaneng li ka eketsoa ho thusa ho hasana ha oli ea liminerale holim'a tharollo e phophomang kapa ho qhalakanya lisepa tsa tšepe le lintho tse ling ka har'a oli ea diminerale.
★ Melemo le melemo ea mefuta e fapaneng ea li-defoamers

Lipatlisiso le ts'ebeliso ea li-organic defoamers tse kang oli ea diminerale, li-amides, joala bo tlaase, mafura a mafura le li-ester tse nang le mafura a mafura, li-phosphate esters, joalo-joalo li batla li le pele ebile ke tsa moloko oa pele oa li-defoamers. Ba na le melemo ea ho fumaneha habonolo ha lisebelisoa tse tala, ts'ebetso e phahameng ea tikoloho, le litšenyehelo tse tlase tsa tlhahiso; Mefokolo ke ts'ebetso e tlase ea defoaming, boits'oaro bo matla, le maemo a thata a ts'ebeliso.

Li-defoamers tsa polyether ke li-defoam tsa moloko oa bobeli, haholo-holo li kenyelletsa li-polyether tse otlolohileng, li-polyether tse qalang ho tloha ho joala kapa ammonia, le tse nkiloeng ho polyether tse nang le endgroup esterification. Monyetla o moholo ka ho fetisisa oa li-polyether defoamers ke matla a tsona a matla a ho thibela ho foaming. Ho phaella moo, li-defoamers tse ling tsa polyether li boetse li na le thepa e babatsehang e kang ho hanyetsa mocheso o phahameng, acid e matla le khanyetso ea alkali; Mefokolo e lekanyelitsoe ke maemo a mocheso, libaka tse tšesaane tsa ts'ebeliso, bokhoni bo fokolang ba ho tlosa lekoba, le sekhahla se tlase sa ho robeha ha bubble.

Li-silicone defoamers tsa tlhaho (li-defoamers tsa moloko oa boraro) li na le ts'ebetso e matla ea ho senya, bokhoni ba ho senya ka potlako, ho fokotseha ho fokolang, ha ho chefo ho tikoloho, ha ho na inertia ea 'mele, le mefuta e mengata ea likopo. Ka hona, ba na le litebello tse pharaletseng tsa ts'ebeliso le menyetla e meholo ea 'maraka, empa ts'ebetso ea bona ea ho nyenyefatsa e fokola.

Polyether modified polysiloxane defoamer e kopanya melemo ea bobeli ba polyether defoamers le organosilicon defoamers, 'me ke tataiso ea nts'etsopele ea li-defoamers. Ka linako tse ling e ka sebelisoa hape ho itšetlehile ka ho qhibiliha ha eona ka morao, empa hona joale ho na le mefuta e fokolang ea li-defoamers tse joalo 'me li ntse li le sethaleng sa lipatlisiso le nts'etsopele, e leng se bakang litšenyehelo tse phahameng tsa tlhahiso.

★ Khetho ea li-defoamers

Khetho ea li-defoamers e lokela ho finyella litekanyetso tse latelang:

1. Haeba e sa qhibilihe kapa e sa qhibilihe ka har'a tharollo e phophomang, e tla senya foam. The defoamer e lokela ho tsepamisoa holim'a filimi ea foam. Bakeng sa li-defoamers, li lokela ho tsepamisoa le ho tsepamisoa hang-hang, athe bakeng sa li-foam suppressants, li lokela ho bolokoa sebakeng sena kamehla. Ka hona, li-defoam li maemong a phahameng ka ho fetesisa ka har'a maro a phophomang, 'me ke tse sa qhibiliheng kapa tse sa qhibiliheng hantle feela tse nang le monyetla oa ho fihla ho supersaturation. Ha e qhibilihe kapa e thata ho qhibiliha, ho bonolo ho kopanya sebopeho sa mokelikeli oa khase, ho bonolo ho tsepamisa mohopolo holim'a lera la bubble, 'me e ka sebetsa maemong a tlase. Defoamer e sebelisoang lits'ebetsong tsa metsi, limolek'hule tsa motsoako o sebetsang, e tlameha ho ba hydrophobic e matla le e fokolang ea hydrophilic, e nang le boleng ba HLB sebakeng sa 1.5-3 bakeng sa phello e ntle ka ho fetisisa.

2. Khatello ea holim'a metsi e tlaase ho feta ea mokelikeli o phophomang, 'me feela ha matla a intermolecular a defoamer a le manyenyane' me tsitsipano ea holim'a metsi e le tlaase ho feta ea mokelikeli o phoroselang, likaroloana tsa defoamer li ka phunyeletsa le ho atolosa filimi ea foam. Ke habohlokoa ho hlokomela hore tsitsipano e ka holimo ea tharollo e phophomang hase tsitsipano ea holim'a tharollo, empa ke tsitsipano e ka holimo ea tharollo e phophomang.

3. Ho na le tekanyo e itseng ea kamano le mokelikeli o phophomang. Kaha ts'ebetso ea ho senya e hlile e le tlhōlisano pakeng tsa lebelo la ho putlama ha foam le lebelo la ho hlahisa foam, defoamer e tlameha ho khona ho hasana ka potlako mokelikeli o phophomang e le hore ka potlako e phethe karolo e pharaletseng ea mokelikeli o phoroselang. Ho etsa hore defoamer e hasane ka potlako, motsoako o sebetsang oa defoamer o tlameha ho ba le tekanyo e itseng ea kamano le tharollo e phophomang. Lisebelisoa tse sebetsang tsa li-defoamers li haufi haholo le maro a phophomang 'me li tla qhibiliha; E fokola haholo ebile e thata ho e hasanya. Ke feela ha kamano e haufi e loketse moo katleho e ka bang molemo.

4. Li-defoams ha li kopane le lik'hemik'hale ka maro a phophomang. Ha li-defoam li sebetsa ka maro a phophomang, li lahleheloa ke ts'ebetso ea tsona 'me li ka hlahisa lintho tse kotsi tse amang kholo ea likokoana-hloko.

5.Low volatility le nako e telele ea ketso. Ntlha ea pele, hoa hlokahala ho etsa qeto ea hore na tsamaiso e hlokang tšebeliso ea li-defoamers e thehiloe metsing kapa ka oli. Ka indasteri ea ho belisoa, li-defoam tse entsoeng ka oli tse kang polyether modified silicone kapa polyether based based li lokela ho sebelisoa. Indasteri ea ho roala ka metsi e hloka li-defoam tse thehiloeng metsing le li-organic silicon defoamers. Khetha defoamer, bapisa chelete e ekelitsoeng, 'me u ipapisitse le theko ea litšupiso, fumana sehlahisoa sa defoamer se loketseng le sa moruo.

★Mabaka a amang katleho ea tšebeliso ea defoamer

1. Thepa ea dispersibility le holim'a li-defoamers ka tharollo e ama haholo lisebelisoa tse ling tse senyang. Li-defoam li lokela ho ba le tekanyo e nepahetseng ea ho hasana, 'me likaroloana tse kholo haholo kapa tse nyenyane haholo ka boholo li ka ama mosebetsi oa tsona oa ho senya.

2. Ho lumellana ha defoamer tsamaisong ea foam Ha surfactant e qhibiliha ka ho feletseng ka tharollo e nang le metsi, hangata e hlophisitsoe ka tsela e hlophisitsoeng holim'a sebopeho sa khase ea mokelikeli oa foam ho tsitsisa foam. Ha surfactant e le boemong bo sa tsitsang kapa bo nang le supersaturated, likaroloana li hasana ka har'a tharollo ebe li bokellana holim'a foam, 'me foam e sebetsa e le defoamer.

3. Mocheso o teng oa tsamaiso ea foaming le mocheso oa mokelikeli o phophomang o ka boela oa ama ts'ebetso ea defoamer. Ha mocheso oa mokelikeli o phophomang ka boeona o phahame haholo, ho kgothaletswa ho sebelisa defoamer e khethehileng e hanyetsanang le mocheso o phahameng, hobane haeba ho sebelisoa defoamer e tloaelehileng, phello ea ho senya e tla fokotseha haholo, 'me defoamer e tla senya lotion ka ho toba.

4. Liphutheloana, polokelo le lipalangoang tsa li-defoam li loketse ho bolokoa ka 5-35 ℃, 'me nako ea ho sebetsa ka kakaretso ke likhoeli tse 6. Se ke oa e beha haufi le mohloli oa mocheso kapa oa e beha sebakeng sa letsatsi. Ho ea ka mekhoa e tloaelehileng ea ho boloka lik'hemik'hale, etsa bonnete ba ho tiisa ka mor'a tšebeliso ho qoba ho senyeha.

6.Karolelano ea tlatsetso ea li-defoamers ho tharollo ea pele le tharollo e hlapolotsoeng e na le ho kheloha ho itseng ho isa tekanyong e itseng, 'me karolelano ha e lekane. Ka lebaka la tšubuhlellano e tlase ea surfactant, lotion e hlapolotsoeng ea defoamer ha e tsitsa haholo 'me e ke ke ea senyeha haufinyane. Ts'ebetso ea defoaming e batla e fokola, e sa lokelang ho boloka nako e telele. E kgothaletswa ho sebelisa hang ka mor'a hore dilution. Karolo ea defoamer e kenyellelitsoeng e hloka ho netefatsoa ka tlhahlobo ea sebaka sa marang-rang ho lekola katleho ea eona, 'me ha ea lokela ho eketsoa ka mokhoa o feteletseng.

★Tekanyetso ea defoamer

Ho na le mefuta e mengata ea li-defoam, 'me tekanyo e hlokahalang bakeng sa mefuta e fapaneng ea li-defoam e fapana. Ka tlase, re tla kenyelletsa litekanyetso tsa mefuta e tšeletseng ea li-defoamers:

1. Alcohol defoamer: Ha u sebelisa li-defoamers tsa joala, tekanyo e tloaelehileng e ka hare ho 0.01-0.10%.

2. Li-defoamers tse thehiloeng ka oli: Palo ea li-defoamers tse thehiloeng ka oli tse kentsoeng li pakeng tsa 0.05-2%, 'me palo ea mafura a acid ester defoamers e ekelitsoeng e pakeng tsa 0.002-0.2%.

3. Li-defoamers tsa Amide: Li-defoam tsa Amide li na le phello e ntle, 'me chelete ea ho eketsoa ka kakaretso e ka hare ho 0.002-0.005%.

4. Phosphoric acid defoamer: Phosphoric acid defoamers e atisa ho sebelisoa ka likhoele le oli e tlotsang, ka chelete e eketsehileng pakeng tsa 0.025-0.25%.

5. Amine defoamer: Amine defoamers e sebelisoa haholo-holo ho sebetsa ha fiber, ka palo e eketsehileng ea 0.02-2%.

Li-defoamers tse thehiloeng ho 7.Ether: Li-defoam tse entsoeng ka Ether li atisa ho sebelisoa ho hatisa pampiri, ho daea le ho hloekisa, ka tekanyo e tloaelehileng ea 0,025-0.25%.


Nako ea poso: Nov-14-2024