I-Paint Stripper Super Paint Stripper/isikhiphi sikapende

 I-Paint Stripper Super Paint Stripper/isikhiphi sikapende

Izici:

l Isikhiphi sikapende esivumelana nemvelo

l Ukungagqwali, sebenzisa ukuphepha futhi usebenze kalula

l Ayiqukethe i-asidi, i-benzene nezinye izinto eziyingozi

l Ingasetshenziswa kabusha ngokuhlanza ifilimu kapende kanye ne-slag yokupenda esixazululweni

l Ingakwazi ukususa i-phenolic resin, i-acrylic, i-epoxy, i-polyurethane yokuqeda upende kanye nopende oyinhloko ngokushesha

 

Inqubo yokufaka isicelo:

l Ukubukeka: Uketshezi olusobala olungenambala ukuya kokunsundu ngokukhanyayo

l Indlela yokwelapha: Ukucwilisa

l Isikhathi sokwelashwa: 1-15min

l Ukushisa kokwelashwa: 15-35℃

l Ukwelashwa ngemuva: Hlanza ifilimu kapende eyinsalela ngokusebenzisa amanzi anomfutho ophezulu

Isaziso:

1. Izinyathelo zokuphepha

(1) Akuvunyelwe ukuyithinta ngokuqondile ngaphandle kokuvikela ukuphepha;

(2) Gqoka amagilavu ​​okuphepha kanye nezibuko ngaphambi kokuyisebenzisa

(3) Gcina kude nokushisa, umlilo futhi uyigcine endaweni enomthunzi, nengena umoya

2. Izinyathelo zosizo lokuqala

1. Igeze ngamanzi amaningi ngokushesha, uma ithinta isikhumba neso. Bese ucela iseluleko sezokwelapha ngokushesha.

2. Phuza ~10% sodium carbonate aqueous ngokushesha, uma kwenzeka ugwinye isikhiphi sikapende. Bese ucela iseluleko sezokwelapha ngokushesha.

 

Isicelo:

l Carbon steel

l Ishidi eliyisithako

l Ingxube ye-aluminium

l Magnesium alloy

l Ithusi, ingilazi, ukhuni nepulasitiki njll

 

Iphakheji, isitoreji kanye nezinto zokuhamba:

l Itholakala ngo-200 kg/mgqomo noma 25 kg/mgqomo

Isikhathi sokubeka: ~ Izinyanga eziyi-12 ezitsheni ezivaliwe, endaweni enomthunzi nendawo eyomile

Ukuhlubula upende kanye ne-plasticizer

Ukuhlubula upende kanye ne-plasticizer

isandulelo

Njengamanje, ukuthuthukiswa kwe-stripper kapende e-China kuyashesha kakhulu, kodwa kusenezinkinga ezithile, njengobuthi obuphezulu, umphumela ongagculisi wokukhumula upende kanye nokungcola okungathi sína. Ikhwalithi ephezulu, okuqukethwe kobuchwepheshe obuphezulu kanye nemikhiqizo ephezulu ye-value-added kumbalwa. Enkambisweni yokulungiselela i-stripper yokupenda, i-wax kapharafini ivame ukungezwa, nakuba ingavimbela i-solvent ukuthi ingaguquguquki ngokushesha, kodwa ngemva kokukhipha upende, i-wax kapharafini ivame ukuhlala phezu kwento ezopenda, ngakho-ke kuyadingeka ngokuphelele. susa i-wax kapharafini, ngenxa yezimo ezihlukene zendawo okumele zipendwe, okwenza kube nzima kakhulu ukususa i-wax yepharafini, okuletha ukuphazamiseka okukhulu ekugqokeni okulandelayo. Ukwengeza, ngokuthuthuka kwezobuchwepheshe kanye nentuthuko yezenhlalakahle, abantu baya ngokuya beqaphela ukuvikelwa kwemvelo futhi banezidingo eziphakeme neziphakeme zokuhluthula upende. Sekuyiminyaka eminingi imboni kapende izama ukunciphisa ukusetshenziswa kwezincibilikisi. Kodwa-ke, ama-solvents abaluleke kakhulu ukudweba ama-strippers, ngakho-ke ukukhethwa kwama-solvent kubaluleke kakhulu. I-athikili 612 ye-German Technical Specification (TRGS) ihlale ikhawulela ukusetshenziswa kweziqephu zopende ze-methylene chloride ukuze kuncishiswe izingozi zomsebenzi. Okuphawuleka kakhulu ukusetshenziswa okuqhubekayo kwezicwecwe zopende ze-methylene chloride ngabahlobisi ngaphandle kokubheka ukuphepha kwendawo yokusebenza. Kokubili amasistimu aqinile nasekelwe emanzini yizinketho zokunciphisa okuqukethwe kwe-solvent nokudala umkhiqizo ophephile ongawusebenzisa. Ngakho-ke izikhumulo zikapende ezisekelwe emanzini ezinobungani bemvelo nezisebenza kahle zizoba yindlela eya phambili yabakhumula upende. Ubuchwepheshe obuphezulu, abakhumula upende bezinga eliphezulu abanokuqukethwe okuphezulu bathembisa kakhulu.

Goqa hlela lezi zinhlobo ze-stripper kapende wesigaba

1) I-stripper yepende ye-alkaline

I-alkaline stripper kapende ngokuvamile iqukethe izinto ezine-alkaline (evame ukusetshenziswa i-sodium hydroxide, i-soda ash, ingilazi yamanzi, njll.), ama-surfactants, ama-corrosion inhibitors, njll., ezishiswayo uma zisetshenziswa. Ngakolunye uhlangothi, i-alkali isusa amanye amaqembu kupende futhi incibilike emanzini; ngakolunye uhlangothi, i-steam eshisayo ipheka ifilimu yokugqoka, ibangele ukuba ilahlekelwe amandla futhi inciphise ukunamathela kwayo ensimbi, okuthi, kanye nomphumela wokungena kwe-surfactant, ukungena nokuhambisana, ekugcineni kubangele ukuchithwa okudala. Fade out.

2) I-Acid paint stripper.

I-Acid paint stripper iyi-stripper kapende eyakhiwe ngama-asidi aqinile njenge-concentrated sulfuric acid, i-hydrochloric acid, i-phosphoric acid ne-nitric acid. Ngenxa yokuthi i-hydrochloric acid egxilile kanye ne-nitric acid ishintshashintsha kalula futhi ikhiqize inkungu ye-asidi, futhi ibe nomthelela omubi ku-substrate yensimbi, futhi i-phosphoric acid egxilile ithatha isikhathi eside ukufiphala upende futhi inomthelela olimazayo ku-substrate, ngakho-ke, ama-acid amathathu angenhla awavamile. esetshenziswa ukufiphala upende. I-sulfuric acid egxilile ne-aluminium, insimbi nezinye izinsimbi zokusabela, ngakho-ke ukugqwala kwensimbi kuncane kakhulu, futhi ngesikhathi esifanayo kunokuphelelwa amandla kwamanzi okuqinile, i-carbonization kanye ne-sulfonation ye-organic matter futhi iyenze ihlakazwe emanzini, ngakho-ke i-sulfuric acid egxilile ngokuvamile esetshenziswa ku-stripper kapende we-asidi.

3) I-stripper yepende ye-solvent evamile

I-stripper yepende ye-solvent evamile yenziwe ngengxube ye-solvent ejwayelekile ye-organic kanye nopharafini, njenge-T-1, T-2, T-3 stripper; I-T-1 yokususa upende yenziwe nge-ethyl acetate, i-acetone, i-ethanol, i-benzene, upharafini; I-T-2 yakhiwe nge-ethyl acetate, i-acetone, i-methanol, i-benzene nezinye izincibilikisi nopharafini; I-T-3 yakhiwe nge-methylene chloride, i-plexiglass, i-plexi-glass nezinye izincibilikisi. I-Ethanol, i-parafini wax, njll. ixutshwe, ubuthi obuphansi, umphumela omuhle wokuhlubula upende. Banomphumela wokukhumula upende kupende we-alkyd, upende we-nitro, upende we-acrylic nopende we-perchlorethylene. Kodwa-ke, i-solvent ephilayo kulolu hlobo lwe-stripper kapende iyaguquguquka, iyavutha futhi inobuthi, ngakho-ke kufanele isetshenziswe endaweni enomoya omuhle.

4) I-stripper yepende ye-chlorinated hydrocarbon solvent

I-Chlorinated hydrocarbon solvent stripper kapende ixazulula inkinga yokukhumula upende we-epoxy kanye ne-polyurethane coatings, kulula ukuyisebenzisa, ukusebenza kahle okuphezulu futhi ukugqwala kancane ezinsimbi. Ikakhulukazi iqukethe izinto ezincibilikisayo (abacwecwa ngopende bendabuko ngokuvamile basebenzisa i-methylene chloride njengesinyibilikisi esiphilayo, kuyilapho izihluthulelo zikapende zesimanje ngokuvamile zisebenzisa izincibilikisi zamaphuzu abilayo aphezulu, njenge-dimethylaniline, i-dimethyl sulfoxide, i-propylene carbonate ne-N-methyl pyrrolidone, ehlanganiswe notshwala nezinyibilikisi ezinuka kamnandi, noma kuhlanganiswe ne-hydrophilic alkaline noma izinhlelo ezine-acidic), izinto ezincibilikayo (ezifana ne-methanol, i-ethanol ne-isopropyl alcohol, njll.) Izivuseleli (ezifana ne-phenol, i-formic acid noma i-ethanolamine, njll.), izinto eziwugqinsi (njenge-polyvinyl alcohol, i-methyl cellulose , i-ethyl cellulose ne-fumed silica, njll.), ama-volatile inhibitors (njenge-wax kapharafini, i-ping ping, njll.), ama-surfactants (afana ne-OP-10, OP-7 ne-sodium alkyl benzene sulfonate, njll.), ama-corrosion inhibitors, ama-ejenti okungena, ama-wetting agents kanye nama-thixotropic agents.

5) I-stripper yopende esekelwe emanzini

E-China, abacwaningi baye basungula ngempumelelo isicwecwe sikapende esisekelwe emanzini sisebenzisa utshwala be-benzyl esikhundleni se-dichloromethane njengesinyibilikisi esiyinhloko. Ngaphandle kotshwala be-benzyl, kuhlanganisa i-ejenti yokuqina, i-volatile inhibitor, i-activator kanye ne-surfactant. Ukwakheka kwayo okuyisisekelo (isilinganiso sevolumu): 20% -40% ingxenye ye-solvent kanye ne-40% -60% ingxenye esekelwe emanzini ene-asidi ene-surfactant. Uma kuqhathaniswa nesihlukanisi sikapende se-dichloromethane esivamile, inobuthi obuncane kanye nesivinini esifanayo sokususa upende. Ingasusa upende we-epoxy, i-epoxy zinc yellow primer, ikakhulukazi ngopende okhubayo wendiza unomphumela omuhle wokuhlubula upende.

Goqa hlela lesi sigaba izingxenye ezivamile

1) I-solvent eyinhloko

I-solvent eyinhloko ingancibilikisa ifilimu kapende ngokungena kwamangqamuzana nokuvuvukala, okungacekela phansi ukunamathela kwefilimu kapende ku-substrate kanye nesakhiwo sendawo sefilimu kapende, ngakho-ke i-benzene, i-hydrocarbon, i-ketone ne-ether ngokuvamile isetshenziswa njengezinyibilikisi eziyinhloko. , futhi i-hydrocarbon iyona engcono kakhulu. Izinyibilikisi eziyinhloko yi-benzene, ama-hydrocarbon, ama-ketone nama-ether, nama-hydrocarbons ahamba phambili. Isicwecwe sikapende esincibilikayo esinobuthi obuphansi esingaqukethe i-methylene chloride ikakhulukazi iqukethe i-ketone (pyrrolidone), i-ester (methyl benzoate) ne-ether yotshwala (i-ethylene glycol monobutyl ether), njll. I-ethylene glycol ether ilungele i-polymer resin. I-ethylene glycol ether inokunyibilika okuqinile ku-polymer resin, ukukwazi ukungena kahle, indawo yokubilisa ephezulu, intengo eshibhile, futhi iphinde ibe ne-surfactant enhle, ngakho iyasebenza ocwaningweni lokuyisebenzisa njengesinyibilikisi esiyinhloko sokulungiselela isihluli sikapende (noma i-ejenti yokuhlanza) ngomphumela omuhle kanye nemisebenzi eminingi.

I-molecule ye-benzaldehyde incane, futhi ukungena kwayo ochungechungeni lwama-macromolecules kunamandla, futhi ukuncibilika kwayo ku-polar organic matter nakho kunamandla kakhulu, okuzokwenza ama-macromolecules akhule ngevolumu futhi akhiqize ukucindezeleka. Ubuthi obuphansi kanye ne-stripper yepende eguquguqukayo ephansi elungiselelwe nge-benzaldehyde njenge-solvent ingasusa ngokuphumelelayo i-epoxy powder coating ebusweni be-metal substrate ekamelweni lokushisa, futhi ifaneleka ukususwa kopende we-aircraft skinning. Ukusebenza kwalesi sihluthulelo sikapende sifana nokushunqa upende wamakhemikhali endabuko (uhlobo lwe-methylene chloride kanye nohlobo olushisayo lwe-alkali), kodwa akugqwali kakhulu kuma-substrates ensimbi.

I-Limonene iyinto enhle yabakhumula upende ngokombono ovuselelekayo. Kuyi-solvent ye-hydrocarbon ekhishwe emakhasini awolintshi, ikhasi le-tangerine kanye nekhasi le-citron. Kuyi-solvent enhle kakhulu yamafutha, i-wax ne-resin. Inephuzu lokubilisa eliphezulu nendawo yokuthungela futhi iphephile ukuyisebenzisa. Izinyibilikisi ze-Ester nazo zingasetshenziswa njengezinto ezingavuthiwe zokucwenga upende. Izinyibilikisi ze-Ester zibonakala ngobuthi obuphansi, iphunga elimnandi futhi ezingancibiliki emanzini, futhi zisetshenziswa kakhulu njengezincibilikisi zezinto eziphilayo ezinamafutha. I-Methyl benzoate imele izincibilikisi ze-ester, futhi izazi eziningi zinethemba lokuyisebenzisa kumshini wokukhumula upende.

2) I-Co-solvent

I-co-solvent ingakhuphula ukuhlakazeka kwe-methyl cellulose, ithuthukise i-viscosity nokuzinza komkhiqizo, futhi ibambisane nama-athomu ayinhloko e-solvent ukuze ingene efilimu kapende, inciphise ukunamathela phakathi kwefilimu kapende ne-substrate, ukuze ijubane khuphuka izinga lokukhumula upende. Kungase futhi kunciphise umthamo we-solvent eyinhloko futhi kunciphise izindleko. Utshwala, ama-ether nama-ester kuvame ukusetshenziswa njengezincibilikisi ezihlangene.

3) Umgqugquzeli

Iphromotha inamba yezincibilikizi ze-nucleophilic, ikakhulukazi ama-asidi e-organic, ama-phenol nama-amine, okuhlanganisa i-formic acid, i-acetic acid ne-phenol. Isebenza ngokucekela phansi amaketanga e-macromolecular futhi isheshise ukungena kanye nokuvuvukala kwe-coating. I-Organic acid iqukethe iqembu elifanayo elisebenzayo njengokwakheka kwefilimu kapende - OH, ingasebenzisana nesistimu yokuxhumanisa umoya-mpilo, i-nitrogen namanye ama-athomu asezindaweni ezishisayo, iphakamisa uhlelo lwengxenye yamaphuzu okuphambana ngokomzimba, ngaleyo ndlela ikhulise isihluthulelo sikapende endaweni. organic enamathela izinga ukusabalalisa, ngcono ukuvuvukala ifilimu kapende kanye nekhono imibimbi. Ngesikhathi esifanayo, ama-acids e-organic angakwazi ukugqugquzela i-hydrolysis yebhondi ye-ester, ibhondi ye-ether ye-polymer futhi iyenze iphule isibopho, okuholela ekulahlekelweni kokuqina kanye nama-substrates aphukayo ngemva kokukhumula upende.

Amanzi enziwe nge-deionized iyi-solvent ephezulu ye-dielectric engaguquki (ε=80120 ku-20 ℃). Lapho indawo okufanele ikhunyulwe i-polar, njenge-polyurethane, i-solvent ephezulu ye-dielectric engaguquki inomphumela omuhle ekuhlukaniseni indawo ye-electrostatic, ukuze ezinye izincibilikisi zingene ezimbotsheni eziphakathi kwe-coating ne-substrate.

I-hydrogen peroxide ibola ezindaweni eziningi zensimbi, ikhiqize umoya-mpilo, i-hydrogen kanye nohlobo lwe-athomu lomoya-mpilo. Umoya-mpilo ubangela ukuthi ungqimba oluvikelayo oluthambile lugoqeke, okuvumela isicwecwe sikapende esisha ukuba singene phakathi kwensimbi nokunameka, ngaleyo ndlela kusheshiswe inqubo yokuhlubula. Ama-acids nawo ayingxenye enkulu ekwakhiweni kwe-stripper kapende, futhi umsebenzi wawo ukugcina i-pH yesihluthulelo sikapende iku-210-510 ukuze kusabelane namaqembu e-amine amahhala ezingubo ezifana ne-polyurethane. I-asidi esetshenzisiwe ingaba i-asidi eqinile encibilikayo, i-acid ewuketshezi, i-organic acid noma i-inorganic acid. Njengoba i-asidi ye-inorganic ingase ikhiqize ukugqwala kwensimbi, ngakho-ke kungcono ukusebenzisa ifomula evamile ye-RCOOH, isisindo samangqamuzana esingaphansi kwe-1,000 e-soluble organic acid, njenge-formic acid, i-acetic acid, i-propionic acid, i-butyric acid, i-valeric acid, i-hydroxyacetic. i-asidi, i-hydroxybutyric acid, i-lactic acid, i-citric acid namanye ama-hydroxy acid kanye nezingxube zawo.

4) Ama-thickeners

Uma i-stripper kapende isetshenziselwa izingxenye ezinkulu zesakhiwo ezidinga ukunamathela phezulu ukuze zizenze zisabele, kuyadingeka ukwengeza izingqimba ezifana nama-polymers ancibilika emanzini njenge-cellulose, i-polyethylene glycol, njll., noma usawoti we-inorganic njenge-sodium chloride , i-potassium chloride, i-sodium sulfate, ne-magnesium chloride. Kufanele kuqashelwe ukuthi usawoti we-inorganic thickeners ulungise i-viscosity uzokhula ngomthamo wabo, ngaphesheya kwalolu hlu, i-viscosity iyancipha esikhundleni, futhi ukukhethwa okungalungile kungase kube nomthelela kwezinye izingxenye.

I-Polyvinyl alcohol iyi-polymer encibilikayo emanzini, ene-solubility enhle yamanzi, ifilimu-forming, adhesion kanye ne-emulsification, kodwa kuphela izinhlanganisela eziphilayo ezimbalwa ezingayincibilika, izinhlanganisela ze-polyol ezifana ne-glycerol, i-ethylene glycol kanye nesisindo esiphansi samangqamuzana i-polyethylene glycol, i-amide, i-triethanolamine. usawoti, i-dimethyl sulfoxide, njll., kulezi zincibilikisi eziphilayo ezingenhla, ncibilikisa inani elincane le-polyvinyl alcohol kufanele futhi lishiswe. Isixazululo se-polyvinyl alcohol aqueous esine-benzyl alcohol kanye nengxube ye-formic acid yokungahambelani kahle, ukubekwa kalula, futhi ngesikhathi esifanayo ne-methyl cellulose, i-hydroxyethyl cellulose solubility empofu, kodwa ne-carboxy methyl cellulose solubility kungcono.

I-Polyacrylamide iyi-polymer encibilikayo emanzini, yona kanye nokuphuma kwayo ingasetshenziswa njengama-flocculants, ama-thickeners, izithuthukisi zephepha kanye ne-retarders, njll. izixazululo eziphilayo, njenge-methanol, i-ethanol, i-acetone, i-ether, i-aliphatic hydrocarbons nama-hydrocarbon anephunga elimnandi. Isixazululo se-aqueous se-methyl cellulose kuhlobo lwe-benzyl utshwala lwe-asidi luzinzile, futhi izinhlobonhlobo zezinto ezincibilikayo emanzini zinokuhlangana okuhle. Inani le-viscosity kuye ngezidingo zokwakha, kodwa umphumela wokuqina awulingani ngokuqondile nenani, ngokunyuka kwenani elingeziwe, isisombululo samanzi sinciphisa kancane kancane izinga lokushisa le-gelation. Uhlobo lwe-Benzaldehyde alukwazi ukunyuswa ngokungeza i-methyl cellulose ukuze kuzuzwe umphumela obalulekile we-viscosity.

5) I-Corrosion Inhibitor

Ukuvimbela ukugqwala kwe-substrate (ikakhulukazi i-magnesium ne-aluminium), inani elithile le-corrosion inhibitor kufanele lengezwe. Ukugqwala kuyinkinga engeke ishaywe indiva ekukhiqizeni kwangempela, futhi izinto eziphathwa nge-stripper kapende kufanele ziwashwe futhi zomiswe ngamanzi noma ziwashwe nge-rosin nophethiloli ngesikhathi esifanele ukuze kuqinisekiswe ukuthi insimbi nezinye izinto azigqwali.

6) Ama-inhibitors aguquguqukayo

Ngokuvamile, izinto ezinokuvunyela kahle zikwazi ukuguquguquka kalula, ngakho-ke ukuze uvimbele ukuguquguquka kwama-athomu ayinhloko, inani elithile le-volatilization inhibitor kufanele lengezwe ku-stripper kapende ukuze kuncishiswe ukuguquguquka kwama-solvent molecule ngesikhathi sokukhiqiza. , ezokuthutha, ukugcinwa kanye nokusetshenziswa. Lapho i-stripper yepende nge-wax ye-parafini isetshenziswa ebusweni bepende, ungqimba oluncane lwe-wax kapharafini luzokwakhiwa phezulu, ukuze ama-molecule e-solvent ayinhloko abe nesikhathi esanele sokuhlala futhi angene ngaphakathi kwefilimu yepende ukuze asuswe, ngaleyo ndlela. ngcono umphumela wokuhlubula upende. I-wax kapharafini eqinile iyodwa ngokuvamile izobangela ukuhlakazeka okungalungile, futhi inani elincane le-wax kapharafini lizohlala phezulu ngemva kokususwa kopende, okuzophazamisa ukuphinda kufakwe ukufafaza. Uma kunesidingo, engeza i-emulsifier ukuze unciphise ukungezwani kwendawo ukuze i-wax kapharafini kanye ne-wax ewuketshezi kapharafini kuhlakazeke kahle futhi kuthuthukiswe ukuzinza kwayo.

7) I-surfactant

Ukwengezwa kwama-surfactants, njengama-amphoteric surfactants (isb, imidazoline) noma i-ethoxynonylphenol, kungasiza ukuthuthukisa ukuzinza kwesitoreji sesicwebi sikapende futhi kusize ukuhlanjululwa kukapende ngamanzi. Ngesikhathi esifanayo, ukusetshenziswa kwama-molecule e-surfactant ane-lipophilic kanye ne-hydrophilic izakhiwo ezimbili eziphambene ze-surfactant, zingathinta umphumela we-solubilization; ukusetshenziswa kwe-surfactant colloidal group effect, ukuze ukuncibilika kwezingxenye eziningana ku-solvent kukhuphuke kakhulu. Ama-surfactants asetshenziswa kakhulu yi-propylene glycol, i-sodium polymethacrylate noma i-sodium xylenesulfonate.

Goqa