Paint Stripper Super Paint Stripper / chochotsa utoto

 Paint Stripper Super Paint Stripper / chochotsa utoto

Mawonekedwe:

l Chochotsa utoto chokomera eco

l Yopanda dzimbiri, gwiritsani ntchito chitetezo ndikugwira ntchito mosavuta

l Lilibe asidi, benzene ndi zinthu zina zoipa

l Itha kugwiritsidwanso ntchito poyeretsa filimu ya utoto ndi utoto wa slag mu yankho

l Mutha kuchotsa utomoni wa phenolic, acrylic, epoxy, polyurethane kumaliza utoto ndi utoto woyamba mwachangu.

 

Njira yofunsira:

l Mawonekedwe: Madzi owoneka bwino opanda mtundu mpaka bulauni

l Njira yothandizira: Kuviika

l Nthawi ya chithandizo: 1-15min

L Chithandizo kutentha: 15-35 ℃

l Chithandizo cha positi: Yambani filimu yotsalirayo pogwiritsa ntchito madzi othamanga kwambiri

Zindikirani:

1. Njira zodzitetezera

(1) Ndikoletsedwa kuigwira mwachindunji popanda chitetezo;

(2) Valani magolovesi ndi magalasi oteteza chitetezo musanagwiritse ntchito

(3) Pewani kutentha, moto ndi kuusunga pamalo amthunzi, ndi mpweya wabwino

2. Njira zothandizira

1. Sambani ndi madzi ambiri nthawi yomweyo, ngati mukhudza khungu ndi diso. Kenako funsani malangizo achipatala mwamsanga.

2. Imwani ~ 10% sodium carbonate amadzimadzi nthawi yomweyo, ngati kumeza chochotsa utoto. Kenako funsani malangizo achipatala mwamsanga.

 

Ntchito:

l Chitsulo cha carbon

l Pepala la galvanized

l Aluminiyamu alloy

l Magnesium alloy

l Mkuwa, galasi, matabwa ndi pulasitiki etc

 

Phukusi, kusungirako ndi zoyendera:

l Akupezeka mu 200 kg/ mbiya kapena 25 kg/ mbiya

Nthawi yosungira: ~ miyezi 12 m'zotengera zotsekedwa, zamthunzi komanso malo owuma

Kuchotsa utoto ndi plasticizer

Kuchotsa utoto ndi plasticizer

chiyambi

Pakalipano, chitukuko cha zodula utoto ku China ndichofulumira kwambiri, koma pali mavuto ena, monga poizoni wambiri, zotsatira zosagwira ntchito zochotsa utoto komanso kuipitsa kwakukulu. Ubwino wapamwamba, umisiri wapamwamba kwambiri komanso zinthu zamtengo wapatali ndizochepa. Pokonzekera utoto wopaka utoto, sera ya parafini nthawi zambiri imawonjezeredwa, ngakhale imatha kuletsa zosungunulira kuti zisawonongeke mwachangu, koma pambuyo pochotsa utoto, sera ya parafini nthawi zambiri imakhalabe pamwamba pa chinthucho, chifukwa chake ndikofunikira kupenta kwathunthu. chotsani sera ya parafini, chifukwa cha mitundu yosiyanasiyana ya pamwamba yomwe iyenera kujambulidwa, zomwe zimapangitsa kuti zikhale zovuta kuchotsa sera ya parafini, zomwe zimabweretsa kusokoneza kwakukulu kwa kupaka kotsatira. Kuphatikiza apo, ndi kupita patsogolo kwaukadaulo komanso chitukuko cha anthu, anthu akuzindikira kwambiri zachitetezo cha chilengedwe ndipo ali ndi zofunika zapamwamba kwambiri za ochotsa utoto. Kwa zaka zambiri, makampani opanga utoto akhala akuyesetsa kuchepetsa kugwiritsa ntchito zosungunulira. Komabe, zosungunulira ndizofunika kwambiri kupenta strippers, choncho kusankha zosungunulira ndikofunikira kwambiri. Ndime 612 ya German Technical Specification (TRGS) nthawi zonse imaletsa kugwiritsa ntchito zodulira utoto za methylene chloride pofuna kuchepetsa kuopsa kwa ntchito. Chodziwika kwambiri ndi kupitiliza kugwiritsa ntchito zodulira utoto zamtundu wa methylene chloride ndi okongoletsa mosaganizira chitetezo cha malo ogwirira ntchito. Zida zonse zapamwamba komanso zopangira madzi ndizosankha kuti muchepetse zosungunulira ndikupanga mankhwala omwe ali otetezeka kugwiritsa ntchito. Chifukwa chake zochotsa utoto zokhala ndi chilengedwe komanso zogwira ntchito bwino zamadzi zizikhala njira yakutsogolo kwa ochotsa utoto. Zovala zapamwamba, zapamwamba za utoto zokhala ndi zinthu zambiri zimalonjeza kwambiri.

Gundani sinthani mitundu yochotsa utoto iyi

1) Chotsitsa utoto wa alkaline

Mafuta opaka utoto wa alkaline nthawi zambiri amakhala ndi zinthu zamchere (zomwe zimagwiritsidwa ntchito nthawi zambiri ndi sodium hydroxide, phulusa la soda, galasi lamadzi, ndi zina zotero), zowonjezera, corrosion inhibitors, ndi zina zotero, zomwe zimatenthedwa zikagwiritsidwa ntchito. Kumbali imodzi, alkali amachotsa magulu ena mu utoto ndikusungunuka m'madzi; Komano, nthunzi yotentha imaphika filimu yophimba, yomwe imapangitsa kuti iwonongeke ndikuchepetsa kumamatira kwachitsulo, chomwe, pamodzi ndi zotsatira za kulowetsedwa kwa surfactant, kulowa mkati ndi kuyanjana, pamapeto pake kumapangitsa kuti chophimba chakale chiwonongeke. Zimiririka.

2) Chotsitsa utoto wa asidi.

Acid paint stripper ndi chodulira utoto chopangidwa ndi zidulo zolimba monga concentrated sulfuric acid, hydrochloric acid, phosphoric acid ndi nitric acid. Chifukwa anaikira hydrochloric asidi ndi nitric asidi volatilize mosavuta ndi kutulutsa asidi nkhungu, ndi zikuwononga mphamvu pa zitsulo gawo lapansi, ndi ndende phosphoric asidi amatenga nthawi yaitali kuzimiririka utoto ndi zikuwononga mphamvu pa gawo lapansi, Choncho, zidulo atatu pamwamba ndi kawirikawiri. amagwiritsidwa ntchito kuzimiririka utoto. Anaikira asidi sulfuric ndi zotayidwa, chitsulo ndi zitsulo zina passivation anachita, kotero zitsulo dzimbiri ndi laling'ono kwambiri, ndipo pa nthawi yomweyo ali amphamvu madzi m'thupi, carbonization ndi sulfonation wa zinthu organic ndi kuzipanga izo kusungunuka m'madzi, choncho anaikira sulfuric asidi nthawi zambiri. amagwiritsidwa ntchito pochotsa utoto wa asidi.

3) Wamba zosungunulira zosungunulira utoto stripper

Wamba zosungunulira utoto stripper wapangidwa osakaniza wamba zosungunulira organic ndi parafini, monga T-1, T-2, T-3 utoto stripper; T-1 utoto stripper wapangidwa ethyl acetate, acetone, Mowa, benzene, parafini; T-2 imapangidwa ndi ethyl acetate, acetone, methanol, benzene ndi zosungunulira zina ndi parafini; T-3 imapangidwa ndi methylene chloride, plexiglass, plexi-glass ndi zosungunulira zina. Mowa, parafini sera, etc. ndi osakaniza, otsika kawopsedwe, zabwino zovula utoto zotsatira. Ali ndi mphamvu yochotsa utoto pa utoto wa alkyd, utoto wa nitro, utoto wa acrylic ndi utoto wa perchlorethylene. Komabe, organic zosungunulira mu mtundu wa utoto stripper ndi kusakhazikika, kuyaka ndi poizoni, choncho ayenera kuikidwa pamalo mpweya wabwino.

4) Chlorinated hydrocarbon solvent stripper

Chlorinated hydrocarbon zosungunulira utoto stripper amathetsa vuto kuvula utoto kwa epoxy ndi polyurethane zokutira, ndi yosavuta kugwiritsa ntchito, mphamvu kwambiri komanso zosawononga zitsulo. Makamaka imakhala ndi zosungunulira (zopaka utoto wamba nthawi zambiri zimagwiritsa ntchito methylene chloride monga zosungunulira, pomwe zosungunulira utoto zamakono nthawi zambiri zimagwiritsa ntchito zosungunulira zotentha kwambiri, monga dimethylaniline, dimethyl sulfoxide, propylene carbonate ndi N-methyl pyrrolidone, kuphatikiza ma alcohols ndi zosungunulira zonunkhira, kapena kuphatikizidwa ndi hydrophilic alkaline kapena acidic system), co-solvents (monga methanol, ethanol ndi isopropyl mowa, etc.) Activators (monga phenol, formic acid kapena ethanolamine, etc.), thickeners (monga polyvinyl mowa, methyl cellulose , ethyl cellulose ndi fumed silica, etc.), volatile inhibitors (monga paraffin wax, ping ping, etc.), zowonjezera (monga OP-10, OP-7 ndi sodium alkyl benzene sulfonate, etc.), corrosion inhibitors, zolowera, zonyowetsa ndi othandizira thixotropic.

5) Chojambula chojambula pamadzi

Ku China, ofufuza apanga bwino chodulira utoto chotengera madzi pogwiritsa ntchito mowa wa benzyl m'malo mwa dichloromethane monga chosungunulira chachikulu. Kupatula mowa wa benzyl, umaphatikizapo thickening agent, volatile inhibitor, activator ndi surfactant. Zomwe zimapangidwira ndi (chiŵerengero cha voliyumu): 20% -40% zosungunulira chigawo chimodzi ndi 40% -60% acidic madzi-based chigawo chimodzi ndi surfactant. Poyerekeza ndi chodulira utoto chamtundu wa dichloromethane, chimakhala ndi kawopsedwe kakang'ono komanso liwiro lomwelo la kuchotsa utoto. Itha kuchotsa utoto wa epoxy, epoxy zinc yellow primer, makamaka kwa utoto wokopa wandege uli ndi zotsatira zabwino zochotsera utoto.

Fananizani sinthani ndimeyi zigawo zodziwika bwino

1) Chosungunulira choyambirira

Chosungunulira chachikulu chimatha kusungunula filimu ya utoto kudzera kulowa m'maselo ndi kutupa, komwe kumatha kuwononga kumamatira kwa filimu ya utoto ku gawo lapansi ndi kapangidwe kake ka filimu ya utoto, kotero benzene, hydrocarbon, ketone ndi ether amagwiritsidwa ntchito ngati zosungunulira zazikulu. , ndipo hydrocarbon ndi yabwino kwambiri. Zosungunulira zazikulu ndi benzene, ma hydrocarbon, ketoni ndi ether, ndipo ma hydrocarbons ndi abwino kwambiri. Chotsitsa cha utoto wosungunulira chochepa cha poizoni chomwe chilibe methylene chloride makamaka chimakhala ndi ketone (pyrrolidone), ester (methyl benzoate) ndi mowa ether (ethylene glycol monobutyl ether), etc. Ethylene glycol ether ndi yabwino kwa utomoni wa polima. Ethylene glycol ether ali ndi solubility amphamvu ku polima utomoni, permeability wabwino, mkulu kuwira mfundo, mtengo wotsika mtengo, komanso ndi wabwino surfactant, choncho ndi yogwira ntchito mu kafukufuku ntchito monga zosungunulira waukulu kukonzekera utoto stripper (kapena kuyeretsa wothandizila) ndi zotsatira zabwino ndi ntchito zambiri.

Molekyu ya benzaldehyde ndi yaying'ono, ndipo kulowa kwake mu unyolo wa macromolecules ndi amphamvu, ndipo kusungunuka kwake kwa zinthu za polar organic kumakhalanso kolimba kwambiri, zomwe zimapangitsa kuti macromolecules achuluke kwambiri ndikupanga kupsinjika. Kawopsedwe kakang'ono komanso kutsika kosasunthika kwa utoto wopaka utoto wopangidwa ndi benzaldehyde monga zosungunulira kumatha kuchotsa bwino zokutira ufa wa epoxy pamwamba pa gawo lapansi lachitsulo pa kutentha kwa firiji, komanso kuli koyenera kuchotsera utoto wokopa ndege. Kagwiridwe kake ka pentiyi ndi kofanana ndi kachipangizo ka utoto wamankhwala (mtundu wa methylene chloride ndi mtundu wotentha wa alkali), koma sikuwononga kwambiri magawo achitsulo.

Limonene ndi chinthu chabwino kwa ochotsa utoto kuchokera pamalingaliro ongowonjezwdwa. Ndi chosungunulira cha hydrocarbon chochokera ku peel lalanje, peel ya tangerine ndi peel ya citron. Ndiwosungunulira wabwino kwambiri wamafuta, sera ndi utomoni. Ili ndi malo otentha kwambiri komanso poyatsira ndipo ndi yabwino kugwiritsa ntchito. Zosungunulira za Ester zitha kugwiritsidwanso ntchito ngati zida zopangira utoto. Zosungunulira za Ester zimadziwika ndi kawopsedwe kakang'ono, fungo lonunkhira komanso losasungunuka m'madzi, ndipo amagwiritsidwa ntchito ngati zosungunulira zamafuta amafuta. Methyl benzoate ndi woimira mankhwala osungunulira ester, ndipo akatswiri ambiri akuyembekeza kuti adzaigwiritsa ntchito pochotsa utoto.

2) Co-solvent

Co-solvent imatha kuonjezera kusungunuka kwa methyl cellulose, kuwongolera kukhuthala ndi kukhazikika kwa mankhwalawa, komanso kugwirizana ndi mamolekyu akuluakulu osungunulira kuti alowe mufilimu ya utoto, kuchepetsa kumamatira pakati pa filimu ya utoto ndi gawo lapansi, kuti lifulumire. onjezerani kuchuluka kwa utoto. Zingathenso kuchepetsa mlingo wa zosungunulira zazikulu ndikuchepetsa mtengo. Mowa, ethers ndi esters nthawi zambiri amagwiritsidwa ntchito ngati zosungunulira pamodzi.

3) Wothandizira

Promoter ndi angapo nucleophilic solvents, makamaka organic zidulo, phenols ndi amines, kuphatikizapo formic acid, asidi acetic ndi phenol. Zimagwira ntchito powononga unyolo wa macromolecular ndikufulumizitsa kulowa ndi kutupa kwa zokutira. Organic acid ili ndi gulu lomwe limagwira ntchito ngati kapangidwe ka filimu ya utoto - OH, imatha kulumikizana ndi njira yolumikizira mpweya, nayitrogeni ndi ma atomu ena a polar, kukweza dongosolo la gawo la magawo olumikizana, potero kukulitsa chowombera utoto mu organic ❖ kuyanika kufalikira mlingo, kusintha utoto filimu kutupa ndi makwinya luso. Panthawi imodzimodziyo, ma organic acids amatha kuyambitsa hydrolysis ya chomangira cha ester, chomangira cha ether cha polima ndikuchipangitsa kuswa mgwirizanowo, zomwe zimapangitsa kutayika kwa kulimba ndi kuphulika kwa magawo pambuyo pochotsa utoto.

Madzi a deionized ndi chosungunulira chapamwamba cha dielectric (ε=80120 pa 20 ℃). Pamene pamwamba kuti anavula ndi polar, monga polyurethane, mkulu dielectric zonse zosungunulira ali ndi zotsatira zabwino kulekanitsa pamwamba electrostatic, kotero kuti zosungunulira ena akhoza kudutsa mu pores pakati ❖ kuyanika ndi gawo lapansi.

Hydrogen peroxide imawola pazitsulo zambiri, kupanga mpweya, haidrojeni ndi mawonekedwe a atomiki a okosijeni. Mpweya wotsekemera umapangitsa kuti chingwe chotetezera chofewa chipitirire, zomwe zimapangitsa kuti chojambula chatsopanocho chilowetse pakati pa zitsulo ndi zokutira, motero zimafulumizitsa kuvula. Ma Acid ndiwonso gawo lalikulu pakupanga utoto wopaka utoto, ndipo ntchito yawo ndikusunga pH ya chodulira utoto pa 210-510 kuti agwirizane ndi magulu a amine aulere mu zokutira monga polyurethane. Asidi omwe amagwiritsidwa ntchito amatha kusungunuka olimba acid, acid acid, organic acid kapena inorganic acid. Monga asidi inorganic ndi zambiri kutulutsa dzimbiri zitsulo, choncho ndi bwino ntchito RCOOH ambiri chilinganizo, maselo kulemera zosakwana 1,000 sungunuka organic zidulo, monga formic acid, asidi asidi, propionic asidi, butyric asidi, valeric asidi, hydroxyacetic. asidi, hydroxybutyric acid, lactic acid, citric acid ndi ma hydroxy acids ndi zosakaniza zawo.

4) Zonenepa

Ngati utoto stripper ntchito lalikulu structural zigawo zikuluzikulu kuti ayenera kumamatira pamwamba kuti iwo anachita, m`pofunika kuwonjezera thickeners monga madzi sungunuka ma polima monga mapadi, polyethylene glycol, etc., kapena mchere mchere monga sodium kolorayidi. , potaziyamu chloride, sodium sulfate, ndi magnesium chloride. Tikumbukenso kuti zolengedwa mchere thickeners kusintha mamasukidwe akayendedwe kuchulukirachulukira ndi mlingo wawo, kupitirira osiyanasiyana, mamasukidwe akayendedwe yafupika m'malo, ndi kusankha molakwika kungakhalenso ndi zotsatira pa zigawo zina.

Mowa wa polyvinyl ndi polima wosungunuka m'madzi, wokhala ndi kusungunuka kwamadzi bwino, kupanga filimu, kumamatira ndi emulsification, koma ndi mankhwala ochepa chabe omwe amatha kusungunuka, mankhwala a polyol monga glycerol, ethylene glycol ndi otsika molekyulu polyethylene glycol, amide, triethanolamine. mchere, dimethyl sulfoxide, etc., mu pamwamba organic solvents, kusungunula pang'ono polyvinyl mowa ayeneranso usavutike mtima. Polyvinyl mowa amadzimadzi njira ndi benzyl mowa ndi formic asidi osakaniza osauka ngakhale, zosavuta layering, ndipo nthawi yomweyo ndi methyl mapadi, hydroxyethyl mapadi solubility osauka, koma carboxy methyl cellulose solubility ndi bwino.

Polyacrylamide ndi liniya madzi sungunuka polima, ndi zotumphukira zake angagwiritsidwe ntchito monga flocculants, thickeners, enhancers pepala ndi retarders, etc. njira organic, monga methanol, Mowa, acetone, etha, aliphatic hydrocarbons ndi onunkhira hydrocarbons. Methyl cellulose amadzimadzi njira mu benzyl mowa mtundu wa asidi khola, ndi zosiyanasiyana madzi sungunuka zinthu ndi bwino mixability. Kuchuluka kwa mamasukidwe akayendedwe malinga ndi zofunika kumanga, koma thickening zotsatira si mwachindunji mogwirizana ndi kuchuluka, ndi kuwonjezeka kuchuluka anawonjezera, ndi amadzimadzi njira pang`onopang`ono kuchepetsa gelation kutentha. Mtundu wa Benzaldehyde sungawonjezeke powonjezera methyl cellulose kuti mukwaniritse kukhuthala kwakukulu.

5) Corrosion Inhibitor

Pofuna kupewa dzimbiri kwa gawo lapansi (makamaka magnesium ndi aluminiyamu), kuchuluka kwa corrosion inhibitor kuyenera kuwonjezeredwa. Kuwonongeka ndi vuto lomwe silinganyalanyazidwe pakupanga kwenikweni, ndipo zinthu zomwe zimagwiritsidwa ntchito ndi utoto wothira utoto ziyenera kutsukidwa ndikuumitsidwa ndi madzi kapena kutsukidwa ndi rosini ndi petulo panthawi yake kuti zitsulo ndi zinthu zina zisamawonongeke.

6) Zoletsa zosasinthika

Nthawi zambiri, zinthu zomwe zili ndi permeability zabwino zimakhala zosavuta kusinthasintha, kotero kuti muteteze kuphulika kwa mamolekyu akuluakulu osungunulira, chiwerengero cha volatilization inhibitor chiyenera kuwonjezeredwa ku chopukusira cha utoto kuti muchepetse kusungunuka kwa mamolekyu osungunulira pakupanga. , mayendedwe, kusungirako ndi kugwiritsa ntchito. Pamene chojambula chojambula ndi sera ya parafini chimagwiritsidwa ntchito pamtunda wa utoto, sera yopyapyala ya parafini idzapangidwa pamwamba, kotero kuti mamolekyu akuluakulu osungunulira adzakhala ndi nthawi yokwanira yotsalira ndikulowa mu filimu ya utoto kuti achotsedwe, motero. kuonjezera mphamvu yochotsera utoto. Sera yolimba ya parafini yokhayo nthawi zambiri imayambitsa kubalalitsidwa kosakwanira, ndipo sera pang'ono palafini imakhalabe pamtunda pambuyo pochotsa utoto, zomwe zingakhudze kupoperanso. Ngati ndi kotheka, onjezani emulsifier kuti muchepetse kupsinjika kwa pamwamba kuti sera ya parafini ndi sera yamadzimadzi ya parafini imwazike bwino ndikusunga kukhazikika kwake.

7) Zowoneka bwino

Kuphatikiza kwa ma surfactants, monga ma amphoteric surfactants (mwachitsanzo, imidazoline) kapena ethoxynonylphenol, kungathandize kusungitsa bata kosungirako chodulira utoto ndikuthandizira kuchapa utoto ndi madzi. Pa nthawi yomweyo, ntchito surfactant mamolekyu ndi onse lipophilic ndi hydrophilic awiri osiyana katundu wa surfactant, zingakhudze zotsatira solubilization; ntchito surfactant colloidal gulu kwenikweni, kotero kuti solubility angapo zigawo zikuluzikulu mu zosungunulira kuchuluka kwambiri. Zomwe zimagwiritsidwa ntchito kwambiri ndi propylene glycol, sodium polymethacrylate kapena sodium xylenesulfonate.

Kugwa