Paint Stripper Super Paint Stripper/sehlahisoa sa pente

 Paint Stripper Super Paint Stripper/sehlahisoa sa pente

Likaroloana:

l Sehlahisoa sa pente se sebetsang hantle ka tikolohong

l Ha e senyehe, sebelisa polokeho le ho sebetsa habonolo

l Ha e na asiti, benzene le lintho tse ling tse kotsi

l E ka sebelisoa hape ka ho hloekisa filimi ea pente le slag ea pente ka tharollo

l A ka tlosa resin ea phenolic, acrylic, epoxy, polyurethane finishing pente le pente ea pele kapele.

 

Mokhoa oa ho etsa kopo:

l Ponahalo: Mokelikeli o bonaletsang o se nang 'mala ho isa bosootho bo bobebe

l Mokhoa oa ho phekola: Ho qoelisoa

l Nako ea phekolo: 1-15min

l Mocheso oa phekolo: 15-35 ℃

l Kalafo ea poso: Hlakola filimi ea pente e setseng ka ho sebelisa metsi a khatello e phahameng

Tlhokomeliso:

1. Litlhokomelo

(1) Ho thibetsoe ho e tšoara ka ho toba ntle le tšireletso ea tšireletso;

(2) Apara liatlana tsa tšireletso le likhalase pele u li sebelisa

(3) E-ba hōle le mocheso, chesa 'me ue boloke sebakeng se moriti, moo moea o kenang teng

2. Mehato ea thuso ea pele

1. E hlatsoe ka metsi a mangata hang-hang, haeba u kopana le letlalo le leihlo. Ebe u kopa keletso ea bongaka kapele.

2. Noa ~ 10% sodium carbonate aqueous hang-hang, haeba u ka metsa sesepa sa pente. Ebe u kopa keletso ea bongaka kapele.

 

Kopo:

l tšepe ea carbon

l Letlapa le nang le galvanized

l Aluminium motsoako

l Magnesium alloy

l Koporo, khalase, lehong le polasetiki joalo-joalo

 

Sephutheloana, polokelo le lipalangoang:

l E fumaneha ka 200kg/barrel kapa 25kg/barrel

Nako ea polokelo: ~ likhoeli tse 12 ka lijaneng tse koetsoeng, sebakeng se moriti le se omileng

Ho hlobolisa pente le polasetiki

Ho hlobolisa pente le polasetiki

ketapele

Hajoale, nts'etsopele ea mochini oa pente Chaena e potlakile haholo, empa ho ntse ho e-na le mathata a mang, a kang chefo e phahameng, phello e sa khotsofatseng ea ho tlosa pente le tšilafalo e tebileng. Boleng ba boleng bo holimo, litaba tsa thekenoloji e phahameng le lihlahisoa tsa boleng bo holimo li fokola. Nakong ea ho lokisa pente ea pente, boka ba boka ba parafine bo atisa ho eketsoa, ​​​​le hoja bo ka thibela solvent hore e se ke ea senyeha ka potlako, empa ka mor'a ho hlobola pente, boka ba boka ba parafine hangata bo sala holim'a ntho e lokelang ho penta, kahoo hoa hlokahala ho e etsa ka ho feletseng. tlosa boka ba parafine, ka lebaka la maemo a sa tšoaneng a holim'a metsi a lokelang ho penta, ho etsa hore ho be thata haholo ho tlosa boka ba parafine, e leng se tlisang tšitiso e kholo ho seaparo se latelang. Ho feta moo, ka tsoelo-pele ea thekenoloji le nts'etsopele ea sechaba, batho ba ntse ba tseba haholoanyane ka ts'ireletso ea tikoloho 'me ba na le litlhoko tse phahameng le tse phahameng bakeng sa li-strippers tsa pente. Ka lilemo tse ngata, indasteri ea pente e ’nile ea leka ho fokotsa tšebeliso ea lihlapolli. Leha ho le joalo, li-solvents li bohlokoa haholo ho penta li-strippers, ka hona khetho ea li-solvents e bohlokoa haholo. Article 612 ea German Technical Specification (TRGS) esale e thibela tšebeliso ea li-strippers tsa pente ea methylene chloride e le ho fokotsa likotsi tsa mosebetsi. Ntho ea bohlokoa ka ho fetisisa ke tšebeliso e tsoelang pele ea li-strippers tsa pente tsa methylene chloride tse tloaelehileng ke bakhabi ba sa tsotelleng polokeho ea tikoloho ea mosebetsi. Ka bobeli li-solids tse phahameng le tse thehiloeng ho metsi ke likhetho bakeng sa ho fokotsa lihlahisoa tsa solvent le ho etsa sehlahisoa se bolokehileng ho se sebelisa. Ka hona, li-strippers tsa pente tse nang le botsoalle le tikoloho le tse sebetsang hantle tse theiloeng holim'a metsi e tla ba tsela ea pele bakeng sa li-strippers tsa pente. Lisebelisoa tsa theknoloji e phahameng, tsa boemo bo holimo tse nang le litaba tse phahameng li tšepisa haholo.

Fetola fetola mefuta ea sesepa sa pente ea serapa

1) Sesepa sa pente ea alkaline

Alkaline pente stripper ka kakaretso e na le lintho tsa alkaline (tse sebelisoang hangata sodium hydroxide, soda ash, khalase ea metsi, joalo-joalo), li-surfactants, corrosion inhibitors, joalo-joalo, tse futhumatsang ha li sebelisoa. Ka lehlakoreng le leng, alkaline e senya lihlopha tse ling penteng ebe e qhibiliha ka metsing; ka lehlakoreng le leng, mouoane o chesang o pheha filimi ea ho roala, e etsa hore e lahleheloe ke matla le ho fokotsa ho khomarela tšepe, e leng, hammoho le phello ea ho kenella ha surfactant, ho kenella le ho ba le kamano, qetellong ho etsa hore seaparo sa khale se senyehe. Fade out.

2) Sesepa sa pente ea asiti.

Sesepa sa pente ea asiti ke sesepa sa pente se entsoeng ka li-acid tse matla tse kang concentrated sulfuric acid, hydrochloric acid, phosphoric acid le nitric acid. Hobane concentrated hydrochloric acid le nitric acid volatilize habonolo le ho hlahisa acid moholi, 'me ba le phello e senyang holim'a tšepe substrate,' me concentrated phosphoric acid e nka nako e telele ho fade pente 'me e na le tšusumetso e senyang ka substrate, ka hona, acid tse tharo tse ka holimo ke ka seoelo. se sebedisoang ho penta. Concentrated sulfuric acid le aluminium, tšepe le litšepe tse ling passivation itsoara joang, kahoo tšepe kutu e nyenyane haholo, 'me ka nako e tšoanang o na le dehydration matla, carbonization le sulfonation ea lintho tse phelang le etsa hore e qhibiliha ka metsing, kahoo concentrated sulfuric acid hangata. e sebedisoang ho sesepa sa pente ya asiti.

3) Sesepa sa pente e tloaelehileng ea solvent

Sehlahisoa sa pente se tloaelehileng sa solvent se entsoe ka motsoako oa mokelikeli o tloaelehileng oa organic le parafine, joalo ka T-1, T-2, T-3 stripper ea pente; T-1 pente stripper e entsoe ka ethyl acetate, acetone, ethanol, benzene, parafine; T-2 e entsoe ka ethyl acetate, acetone, methanol, benzene le solvents tse ling le parafine; T-3 e entsoe ka methylene chloride, plexiglass, plexi-glass le solvents tse ling. Ethanol, boka ba parafine, joalo-joalo li kopane, chefo e tlase, phello e ntle ea ho tlosa pente. Li na le phello ea ho tlosa pente ho pente ea alkyd, pente ea nitro, pente ea acrylic le pente ea perchlorethylene. Leha ho le joalo, solvent ea tlhaho ea mofuta ona oa pente ea pente e fetoha, e ka tuka ebile e chefo, kahoo e lokela ho sebelisoa sebakeng se nang le moea o motle.

4) Sesepa sa pente sa chlorinated hydrocarbon solvent

Sesepa sa pente ea chlorinated hydrocarbon solvent e rarolla bothata ba ho hlobola pente bakeng sa liphahlo tsa epoxy le polyurethane, ho bonolo ho e sebelisa, e sebetsa hantle haholo ebile ha e senyehe ho litšepe. Haholo-holo e na le li-solvents (li-strippers tsa pente tsa setso hangata li sebelisa methylene chloride e le mokelikeli oa organic, athe li-strippers tsa mehleng ea kajeno li sebelisa li-solvents tse ngata tse belang, tse kang dimethylaniline, dimethyl sulfoxide, propylene carbonate le N-methyl pyrrolidone, tse kopantsoeng le joala le metsoako e monko o monate, kapa ho kopantsoe le hydrophilic alkaline kapa acidic system), co-solvents (joalo ka methanol, ethanol le isopropyl alcohol, joalo-joalo) Activators (tse kang phenol, formic acid kapa ethanolamine, joalo-joalo), thickeners (joalo ka polyvinyl joala, methyl cellulose , ethyl cellulose le fumed silica, joalo-joalo), volatile inhibitors (joalo ka boka ba parafine, ping ping, joalo-joalo), li-surfactants (tse kang OP-10, OP-7 le sodium alkyl benzene sulfonate, joalo-joalo), corrosion inhibitors, mahlahana a ho kenella, mahlahana a metsi le mahlahana a thixotropic.

5) Sesepa sa pente se entsoeng ka metsi

Chaena, bafuputsi ba atlehile ho hlahisa mochini o tlosang pente o thehiloeng metsing o sebelisang joala ea benzyl ho e-na le dichloromethane e le sehlapi se seholo. Ntle le joala ea benzyl, e boetse e kenyelletsa ntho e teteaneng, volatile inhibitor, activator le surfactant. Sebopeho sa eona sa motheo ke (karolelano ea molumo): karolo ea 20% -40% ea solvent le karolo ea 40% -60% e nang le asiti e thehiloeng metsing e nang le surfactant. Ha e bapisoa le seaparo sa pente sa dichloromethane sa setso, ha e na chefo e nyane le lebelo le ts'oanang la ho tlosa pente. E ka tlosa pente ea epoxy, epoxy zinc yellow primer, haholo-holo bakeng sa pente ea letlalo ea lifofane e na le phello e ntle ea ho tlosa pente.

Hlakola lintlha tse tloaelehileng tsa serapa sena

1) solvent ea mantlha

Sehlahisoa se seholo se ka qhibilihisa filimi ea pente ka ho kenella ha limolek'hule le ho ruruha, e ka senyang ho khomarela filimi ea pente ho substrate le sebopeho sa sebaka sa filimi ea pente, kahoo benzene, hydrocarbon, ketone le ether hangata li sebelisoa e le li-solvents tse ka sehloohong. , 'me hydrocarbon ke eona e molemo ka ho fetisisa. Litlhapi tse ka sehloohong ke benzene, hydrocarbons, ketones le ethers, le hydrocarbons ke tsona tse ntle ka ho fetisisa. Sesepa sa pente e nang le chefo e tlaase e se nang methylene chloride haholo-holo e na le ketone (pyrrolidone), ester (methyl benzoate) le ether ea joala (ethylene glycol monobutyl ether), joalo-joalo Ethylene glycol ether e molemo bakeng sa resin ea polymer. Ethylene glycol ether e na le solubility e matla ho resin ea polymer, ho kenella hantle, ntlha e belang e phahameng, theko e tlaase, hape e sebetsa hantle lipatlisisong tsa ho e sebelisa e le mokelikeli o ka sehloohong oa ho lokisa pente stripper (kapa moemeli oa ho hloekisa) ka phello e ntle le mesebetsi e mengata.

Molek'hule ea benzaldehyde e nyenyane, 'me ho kenella ha eona ka har'a ketane ea macromolecules ho matla,' me ho qhibiliha ha eona ho lintho tse phelang polar ho boetse ho matla haholo, e leng ho tla etsa hore li-macromolecules li eketsehe ka bongata le ho hlahisa khatello ea kelello. Mokelikeli oa pente o nang le chefo e tlaase le o fokolang o tlaase o lokiselitsoeng ka benzaldehyde e le mokelikeli o ka tlosa ka mokhoa o atlehang ho roala ha phofo ea epoxy holim'a karolo ea tšepe ka mocheso oa kamore, hape o loketse ho tlosoa ha pente ea letlalo la lifofane. Ts'ebetso ea stripper ena ea pente e tšoana le ea li-strippers tsa pente ea lik'hemik'hale tse tloaelehileng (mofuta oa methylene chloride le mofuta o chesang oa alkali), empa ha e senyehe haholo ho likaroloana tsa tšepe.

Limonene ke thepa e ntle bakeng sa li-strippers tsa pente ho tsoa ponong e ka nchafatsoang. Ke motsoako oa hydrocarbon o ntšitsoeng lekhapetleng la lamunu, lekhapetla la tangerine le lekhapetla la citron. Ke solvent e babatsehang bakeng sa mafura, boka le resin. E na le ntlha e belang e phahameng le ntlha ea ho tima 'me e bolokehile hore e ka sebelisoa. Li-solvents tsa Ester le tsona li ka sebelisoa e le lisebelisoa tse tala bakeng sa mochini o tlosang pente. Li-solvents tsa Ester li khetholloa ka chefo e tlase, monko o nkhang hamonate ebile ha li qhibilihe ka metsing, 'me hangata li sebelisoa e le lihlapolli tsa lintho tse phelang tse mafura. Methyl benzoate ke moemeli oa lihlapolli tsa ester, ’me litsebi tse ngata li na le tšepo ea ho e sebelisa ho hlobolisa pente.

2) Co-solvent

Co-solvent e ka eketsa ho qhibiliha ha methyl cellulose, ho ntlafatsa viscosity le botsitso ba sehlahisoa, le ho sebelisana le limolek'hule tse kholo tsa solvent ho kenella ka filimi ea pente, ho fokotsa ho khomarela pakeng tsa filimi ea pente le substrate, e le ho potlakisa. eketsa lebelo la ho hlobola pente. E ka boela ea fokotsa tekanyo ea solvent e kholo le ho fokotsa litšenyehelo. Joala, li-ether le li-ester hangata li sebelisoa e le li-co-solvents.

3) Motšehetsi

Promoter ke palo ea li-nucleophilic solvents, haholo-holo li-organic acid, phenols le amine, ho kenyelletsa le formic acid, acetic acid le phenol. E sebetsa ka ho senya liketane tsa macromolecular le ho potlakisa ho kenella le ho ruruha ha seaparo. Organic acid e na le sehlopha se ts'oanang sa ts'ebetso e le sebopeho sa filimi ea pente - OH, e ka sebelisana le tsamaiso ea crosslinking ea oksijene, naetrojene le liathomo tse ling tsa polar, e phahamisa tsamaiso ea karolo ea likarolo tsa 'mele, kahoo e eketsa sekhahla sa pente ho organic barbotage diffusion rate, ntlafatsa pente filimi ho ruruha le wrinkling bokgoni. Ka nako e ts'oanang, li-acids tsa organic li ka etsa hore hydrolysis ea ester bond, ether bond ea polymer e robehe, e leng se bakang tahlehelo ea boima le brittle substrates ka mor'a ho hlobola pente.

Metsi a hloekisitsoeng ke motsoako o phahameng oa dielectric kamehla (ε = 80120 ho 20 ℃). Ha bokaholimo bo tla tlosoa ke polar, joalo ka polyurethane, mokelikeli o phahameng oa dielectric kamehla o na le phello e ntle ea ho arola bokaholimo ba motlakase, e le hore li-solvents tse ling li ka kenella ka har'a pores pakeng tsa ho roala le substrate.

Hydrogen peroxide e bola holim'a libaka tse ngata tsa tšepe, e hlahisa oksijene, hydrogen le mofuta oa athomo oa oksijene. Oksijene e etsa hore lera le nolofalitsoeng le sireletsang le phutholohe, e leng ho lumellang stripper e ncha ea pente hore e kene pakeng tsa tšepe le e koahetsoeng, kahoo e potlakisa mokhoa oa ho hlobola. Li-acids le tsona ke karolo e kholo mekhoeng ea li-stripper tsa pente, 'me mosebetsi oa tsona ke ho boloka pH ea mochini oa ho hlobolisa pente ho 210-510 e le ho sebetsana le lihlopha tsa mahala tsa amine ka liphahlo tse kang polyurethane. Asiti e sebelisitsoeng e ka qhibiliha e tiileng, asiti ea metsi, asiti ea organic kapa asiti ea inorganic. Kaha acid e inorganic e na le monyetla oa ho hlahisa tšepe ea tšepe, ho molemo ho sebelisa foromo e akaretsang ea RCOOH, boima ba limolek'hule bo ka tlase ho 1,000, joalo ka formic acid, acetic acid, propionic acid, butyric acid, valeric acid, hydroxyacetic. acid, hydroxybutyric acid, lactic acid, citric acid le tse ling tsa hydroxy acid le metsoako ea tsona.

4) Li-thickeners

Haeba pente stripper e sebelisoa bakeng sa likarolo tse kholo tsa meralo tse hlokang ho khomarela bokaholimo ho etsa hore li sebetsane, hoa hlokahala ho eketsa li-thickeners tse kang li-polymer tse qhibilihang ka metsi tse kang selulose, polyethylene glycol, joalo-joalo, kapa matsoai a inorganic joalo ka sodium chloride. , potasiamo chloride, sodium sulfate, le magnesium chloride. Re lokela ho hlokomela hore inorganic salt thickeners fetola viscosity tla eketseha le litekanyetso li behoa, ka nģ'ane ho mefuta ena, viscosity e fokotsehile ho e-na, 'me khetho e sa nepahalang ka boela ba le tšusumetso e likarolong tse ling.

Polyvinyl joala ke polymer e qhibilihang ka metsing, e nang le metsi a mangata, ho etsa filimi, ho khomarela le ho emulsification, empa ke metsoako e seng mekae feela ea tlhaho e ka e qhaqha, metsoako ea polyol e kang glycerol, ethylene glycol le polyethylene glycol e tlaase ea molek'hule, amide, triethanolamine. letsoai, dimethyl sulfoxide, joalo-joalo, ka li-solvents tse ka holimo, qhaqha tekanyo e nyenyane ea joala ea polyvinyl le eona e lokela ho futhumatsoa. Polyvinyl alcohol aqueous solution e nang le joala ea benzyl le motsoako oa acid e formic oa ho se tsamaisane hantle, ho beha habonolo, 'me ka nako e ts'oanang le methyl cellulose, hydroxyethyl cellulose solubility ea mafutsana, empa le carboxy methyl cellulose solubility e molemo.

Polyacrylamide ke linear metsi a qhibilihang ka har'a polymer, eona le derivatives eona e ka sebelisoa e le flocculants, thickeners, enhancers pampiri le retarders, joalo-joalo. Kaha polyacrylamide molek'hule ketane e na le sehlopha sa amide, e tšoauoa ka hydrophilicity phahameng, empa e insoluble ka ho fetisisa. litharollo tsa manyolo, joalo ka methanol, ethanol, acetone, ether, aliphatic hydrocarbons le li-hydrocarbon tse nkhang hamonate. Methyl cellulose aqueous solution ka benzyl joala mofuta oa acid e tsitsitseng haholoanyane, le mefuta e fapaneng ea lintho tse qhibilihang ka metsing li na le motsoako o motle. Palo ea viscosity ho itšetlehile ka litlhoko tsa kaho, empa phello e teteaneng ha e lekane ka ho toba le palo, ka ho eketseha ha chelete e eketsehileng, tharollo ea metsi e fokotsa butle-butle mocheso oa gelation. Mofuta oa Benzaldehyde o ke ke oa eketsoa ka ho eketsa methyl cellulose ho fihlela phello e kholo ea viscosity.

5) Corrosion Inhibitor

Ho thibela ho bola ha substrate (haholo-holo magnesium le aluminium), palo e itseng ea corrosion inhibitor e lokela ho eketsoa. Ho bola ke bothata bo ke keng ba hlokomolohuoa ts'ebetsong ea sebele ea tlhahiso, 'me lintho tse tšoaroang ka mochini o tlosang pente li lokela ho hlatsuoa le ho omisoa ka metsi kapa ho hlatsuoa ka rosin le peterole ka nako e nepahetseng ho netefatsa hore tšepe le lintho tse ling ha li je.

6) Volatile inhibitors

Ka kakaretso, lintho tse nang le permeability e ntle li bonolo ho volatilize, kahoo e le ho thibela ho senyeha ha limolek'hule tse kholo tsa solvent, palo e itseng ea volatilization inhibitor e lokela ho ekeletsoa ho pente ea pente ho fokotsa ho senyeha ha limolek'hule tsa solvent nakong ea tlhahiso. , lipalangoang, polokelo le tšebeliso. Ha pente ea pente e nang le boka ba boka ba parafine e sebelisoa holim'a pente, ho tla thehoa lesela le tšesaane la boka ba parafine holim'a metsi, e le hore limolek'hule tse kholo tsa solvent li be le nako e lekaneng ea ho lula le ho kenella ka har'a filimi ea pente e tla tlosoa, ka hona. ho ntlafatsa phello ea ho tlosa pente. Bola ba parafine bo tiileng feela hangata bo tla baka ho hasana hampe, 'me boka ba bokae ba parafine bo tla sala bo le holim'a metsi ka mor'a ho tlosoa ha pente, e leng se tla ama ho fafatsa hape. Haeba ho hlokahala, eketsa emulsifier ho fokotsa tsitsipano ea holim'a metsi e le hore boka ba parafine le boka ba metsi ba parafine li ka qhalakanngoa hantle le ho boloka botsitso ba eona bo ka ntlafala.

7) Surfactant

Ho eketsoa ha li-surfactants, joalo ka li-amphoteric surfactants (mohlala, imidazoline) kapa ethoxynonylphenol, ho ka thusa ho ntlafatsa botsitso ba polokelo ea mochini o tlosang pente le ho thusa ho hlatsoa pente ka metsi. Ka nako e ts'oanang, ts'ebeliso ea limolek'hule tsa surfactant tse nang le lipophilic le hydrophilic tse peli tse fapaneng tsa surfactant, li ka ama phello ea solubilization; tšebeliso ea phello ea sehlopha sa surfactant colloidal, e le hore ho qhibiliha ha likarolo tse 'maloa ka har'a motsoako ho eketsehile haholo. Li-surfactants tse sebelisoang hangata ke propylene glycol, sodium polymethacrylate kapa sodium xylenesulfonate.

Koaleha