xov xwm

Xim Stripper Super Xim Stripper / xim tshem tawm

 Xim Stripper Super Xim Stripper / xim tshem tawm

Nta:

l Eco-phooj ywg xim Remover

l Tsis-corrosion, siv kev nyab xeeb thiab ua haujlwm yooj yim

l Tsis muaj kua qaub, benzene thiab lwm yam khoom tsis zoo

l Yuav rov siv tau los ntawm kev ntxuav cov xim zaj duab xis thiab xim slag hauv kev daws

l Yuav tshem tawm cov phenolic resin, acrylic, epoxy, polyurethane tiav xim thiab premier xim sai

 

Cov txheej txheem thov:

l Cov tsos mob: tsis muaj xim rau lub teeb xim av pob tshab kua

l Txoj kev kho: Dipping

l Lub sijhawm kho: 1-15 min

l Kev kho kub: 15-35 ℃

l Tom qab kev kho mob: Tshem tawm cov xim pleev xim uas seem los ntawm kev siv dej siab

Daim ntawv ceeb toom:

1. Ceev faj

(1) Nws yog txwv tsis pub kov nws ncaj qha yam tsis muaj kev tiv thaiv kev nyab xeeb;

(2) Hnav hnab looj tes thiab looj tsom iav ua ntej siv

(3) Khaws kom deb ntawm tshav kub, hluav taws thiab khaws cia rau hauv qhov chaw ntxoov ntxoo, qhov cua

2. Kev pab thawj zaug

1. Ntxuav nws nrog dej kom ntau tam sim ntawd, yog tias tiv nrog daim tawv nqaij thiab qhov muag. Tom qab ntawd nug cov lus qhia kho mob sai tshaj plaws.

2. Haus dej ~ 10% sodium carbonate aqueous tam sim ntawd, yog tias nqos cov xim tshem tawm. Tom qab ntawd nug cov lus qhia kho mob sai tshaj plaws.

 

Daim ntawv thov:

l Carbon hlau

l Galvanized ntawv

l Aluminium alloy

l Magnesium alloy

l Tooj, iav, ntoo thiab yas thiab lwm yam

 

Ntim, cia thiab thauj:

l Muaj nyob rau hauv 200 kg / chim lossis 25 kg / chim

Lub sijhawm cia: ~ 12 lub hlis hauv cov thawv kaw, qhov chaw ntxoov ntxoo thiab qhuav

Xim stripping thiab plasticizer

Xim stripping thiab plasticizer

lus qhuab qhia

Tam sim no, txoj kev loj hlob ntawm cov xim stripper nyob rau hauv Suav teb yog ceev heev, tab sis tseem muaj qee qhov teeb meem, xws li cov tshuaj lom neeg siab, tsis zoo rau cov xim stripping nyhuv thiab muaj kuab paug loj. Cov ntsiab lus zoo, cov cuab yeej technology siab thiab cov khoom muaj nqis ntxiv yog ob peb. Nyob rau hauv tus txheej txheem ntawm kev npaj cov xim stripper, paraffin wax feem ntau yog ntxiv, txawm hais tias nws tuaj yeem tiv thaiv cov kuab tshuaj los ntawm kev hloov pauv sai heev, tab sis tom qab cov xim stripping, paraffin wax feem ntau tseem nyob rau saum npoo ntawm cov khoom yuav tsum tau pleev xim, yog li nws yuav tsum tau ua kom tiav. tshem tawm cov paraffin wax, vim qhov sib txawv ntawm qhov chaw yuav tsum tau pleev xim rau, ua rau nws nyuaj heev kom tshem tawm cov paraffin wax, uas ua rau muaj kev tsis yooj yim rau cov txheej tom ntej. Tsis tas li ntawd, nrog rau kev nce qib ntawm thev naus laus zis thiab kev loj hlob ntawm kev sib raug zoo, tib neeg tau paub ntau dua thiab paub txog kev tiv thaiv ib puag ncig thiab muaj kev xav tau ntau dua rau cov xim strippers. Tau ntau xyoo, kev lag luam xim tau sim txo kev siv cov kuab tshuaj. Txawm li cas los xij, cov kuab tshuaj tseem ceeb heev rau cov xim strippers, thiab yog li kev xaiv cov kuab tshuaj tseem ceeb heev. Tshooj 612 ntawm German Technical Specification (TRGS) ib txwm txwv tsis pub siv cov tshuaj methylene chloride xim strippers txhawm rau txo qis kev phom sij. Ntawm qhov kev ceeb toom tshwj xeeb yog txuas ntxiv siv cov tshuaj methylene chloride xim strippers los ntawm cov neeg kho kom zoo nkauj yam tsis xav txog kev nyab xeeb ntawm qhov chaw ua haujlwm. Ob qho khoom siv siab thiab dej-raws li cov tshuab yog cov kev xaiv txhawm rau txo cov ntsiab lus hnyav thiab tsim cov khoom lag luam uas muaj kev nyab xeeb rau kev siv. Yog li ntawd ib puag ncig tus phooj ywg thiab siv dej-raws li cov xim strippers yuav yog txoj hauv kev rau cov xim strippers. High-tech, high-qib xim strippers nrog cov ntsiab lus siab yog qhov zoo heev.

Kaw kho cov kab lus no xim stripper hom

1) Alkaline xim stripper

Alkaline xim stripper feem ntau muaj cov tshuaj alkaline (feem ntau siv sodium hydroxide, soda tshauv, dej iav, thiab lwm yam), surfactants, corrosion inhibitors, thiab lwm yam., uas yog rhuab thaum siv. Ntawm qhov tod tes, alkali saponifies qee pawg hauv cov xim thiab yaj hauv dej; Ntawm qhov tod tes, cov chav kub kub ua rau cov txheej txheej zaj duab xis, ua rau nws poob lub zog thiab txo nws cov adhesion rau hlau, uas, ua ke nrog cov nyhuv ntawm surfactant infiltration, nkag mus thiab affinity, nws thiaj li ua rau cov txheej txheem qub puas. Fade tawm.

2) Acid xim stripper.

Acid xim stripper yog cov xim stripper uas muaj cov kua qaub uas muaj zog xws li concentrated sulfuric acid, hydrochloric acid, phosphoric acid thiab nitric acid. Vim hais tias cov concentrated hydrochloric acid thiab nitric acid volatilize yooj yim thiab tsim kua qaub pos huab, thiab muaj corrosive nyhuv ntawm cov hlau substrate, thiab concentrated phosphoric acid yuav siv sij hawm ntev kom ploj xim thiab muaj corrosive nyhuv ntawm lub substrate, yog li ntawd, saum toj no peb acids tsis tshua muaj. siv los zas xim. Concentrated sulfuric acid thiab txhuas, hlau thiab lwm yam hlau passivation cov tshuaj tiv thaiv, yog li cov hlau corrosion yog heev me me, thiab nyob rau tib lub sij hawm muaj ib tug muaj zog lub cev qhuav dej, carbonization thiab sulfonation ntawm cov organic teeb meem thiab ua rau nws yaj nyob rau hauv dej, yog li concentrated sulfuric acid feem ntau. siv nyob rau hauv acid xim stripper.

3) Ordinary hnyav xim stripper

Ordinary solvent xim stripper yog tsim los ntawm kev sib xyaw ntawm cov organic hnyav thiab paraffin, xws li T-1, T-2, T-3 xim stripper; T-1 xim stripper yog tsim los ntawm ethyl acetate, acetone, ethanol, benzene, paraffin; T-2 yog tsim los ntawm ethyl acetate, acetone, methanol, benzene thiab lwm yam kuab tshuaj thiab paraffin; T-3 yog tsim los ntawm methylene chloride, plexiglass, plexi-iav thiab lwm yam kuab tshuaj. Ethanol, paraffin wax, thiab lwm yam yog tov, tsis tshua muaj toxicity, zoo xim stripping nyhuv. Lawv muaj cov xim pleev xim rau ntawm cov xim alkyd, xim nitro, acrylic xim thiab perchlorethylene xim. Txawm li cas los xij, cov organic hnyav hauv hom xim stripper yog volatile, flammable thiab lom, yog li nws yuav tsum tau siv rau hauv qhov chaw zoo.

4) Chlorinated hydrocarbon hnyav xim stripper

Chlorinated hydrocarbon hnyav xim stripper daws qhov teeb meem ntawm cov xim stripping rau epoxy thiab polyurethane coatings, nws yog ib qho yooj yim mus use, high efficiency thiab tsawg corrosive rau hlau. Nws feem ntau muaj cov kuab tshuaj (cov tshuaj pleev xim ib txwm siv feem ntau siv methylene chloride ua cov kuab tshuaj organic, thaum cov xim pleev xim niaj hnub no feem ntau siv cov kuab tshuaj kub kub, xws li dimethylaniline, dimethyl sulfoxide, propylene carbonate thiab N-methyl pyrrolidone, ua ke nrog cawv thiab cov kuab tshuaj tsw qab, los yog ua ke nrog hydrophilic alkaline los yog acidic systems), co-solvents (xws li methanol, ethanol thiab isopropyl cawv, thiab lwm yam) Activators (xws li phenol, formic acid los yog ethanolamine, thiab lwm yam), thickeners (xws li polyvinyl cawv, methyl cellulose. , ethyl cellulose thiab fumed silica, thiab lwm yam), volatile inhibitors (xws li paraffin wax, ping ping, thiab lwm yam), surfactants (xws li OP-10, OP-7 thiab sodium alkyl benzene sulfonate, thiab lwm yam), corrosion inhibitors, Cov tshuaj tua kab mob, cov tshuaj ntub dej thiab cov tshuaj thixotropic.

5) Dej-raws li xim stripper

Hauv Suav teb, cov kws tshawb fawb tau ua tiav cov xim pleev xim dej uas siv benzyl cawv es tsis txhob dichloromethane ua cov kuab tshuaj tseem ceeb. Dhau li ntawm benzyl cawv, nws kuj muaj xws li thickening agent, volatile inhibitor, activator thiab surfactant. Nws muaj pes tsawg leeg yog (ntim piv): 20% -40% hnyav tivthaiv thiab 40% -60% acidic dej-raws li tivthaiv nrog surfactant. Piv nrog cov tshuaj dichloromethane xim stripper, nws muaj tsawg toxicity thiab tib qhov ceev ntawm cov xim tshem tawm. Nws tuaj yeem tshem tawm cov xim epoxy, epoxy zinc daj primer, tshwj xeeb tshaj yog rau aircraft skinning xim muaj xim zoo stripping nyhuv.

Kaw kho cov kab lus no cov ntsiab lus

1) Cov kuab tshuaj tseem ceeb

Lub ntsiab hnyav tuaj yeem yaj cov xim zaj duab xis los ntawm kev nkag mus rau molecular thiab o, uas tuaj yeem rhuav tshem cov adhesion ntawm cov xim pleev xim rau cov substrate thiab cov qauv ntawm cov xim xim, yog li benzene, hydrocarbon, ketone thiab ether feem ntau yog siv los ua cov kuab tshuaj loj. , thiab hydrocarbon yog qhov zoo tshaj plaws. Cov kuab tshuaj tseem ceeb yog benzene, hydrocarbons, ketones thiab ethers, thiab hydrocarbons yog qhov zoo tshaj plaws. Cov tshuaj lom neeg muaj pes tsawg leeg xim stripper uas tsis muaj methylene chloride feem ntau muaj ketone (pyrrolidone), ester (methyl benzoate) thiab cawv ether (ethylene glycol monobutyl ether), thiab lwm yam. Ethylene glycol ether yog zoo rau polymer resin. Ethylene glycol ether muaj zog solubility rau polymer resin, zoo permeability, siab kub taw tes, pheej yig dua tus nqi, thiab kuj yog ib tug zoo surfactant, yog li nws yog nquag siv nyob rau hauv kev tshawb fawb ntawm siv nws ua lub ntsiab hnyav los npaj cov xim stripper (los yog tu tus neeg saib xyuas) nrog cov nyhuv zoo thiab ntau lub luag haujlwm.

Lub molecule ntawm benzaldehyde yog me me, thiab nws nkag mus rau hauv cov saw ntawm macromolecules muaj zog, thiab nws solubility rau polar organic teeb meem kuj muaj zog heev, uas yuav ua rau cov macromolecules nce nyob rau hauv ntim thiab tsim kev nyuaj siab. Cov tshuaj toxicity tsawg thiab tsis tshua muaj volatility xim stripper npaj nrog benzaldehyde raws li hnyav tuaj yeem tshem tawm cov epoxy hmoov txheej ntawm cov hlau substrate ntawm chav tsev kub, thiab tseem tsim nyog rau kev tshem tawm cov dav hlau skinning xim. Qhov kev ua tau zoo ntawm cov xim stripper no yog piv rau cov tshuaj pleev ib ce strippers (methylene chloride hom thiab kub alkali hom), tab sis yog tsawg corrosive rau hlau substrates.

Limonene yog cov khoom siv zoo rau cov xim strippers los ntawm ib qho kev sib txuas ntxiv. Nws yog hydrocarbon hnyav muab rho tawm los ntawm txiv kab ntxwv tev, tangerine tev thiab citron tev. Nws yog ib qho hnyav hnyav rau roj, ciab thiab cob. Nws muaj qhov kub kub thiab kub kub taw tes thiab muaj kev nyab xeeb siv. Ester cov kuab tshuaj kuj tseem siv tau los ua cov ntaub ntawv raw rau xim stripper. Ester cov kuab tshuaj yog cov yam ntxwv los ntawm cov tshuaj lom neeg tsawg, cov ntxhiab tsw ntxhiab thiab insoluble hauv dej, thiab feem ntau yog siv los ua cov kuab tshuaj rau oily organic tshuaj. Methyl benzoate yog tus sawv cev ntawm cov kuab tshuaj ester, thiab ntau tus kws tshawb fawb vam tias yuav siv nws hauv cov xim stripper.

2) Co-solvent

Lub co-solvent tuaj yeem ua rau kom tawg ntawm methyl cellulose, txhim kho cov viscosity thiab stability ntawm cov khoom, thiab koom tes nrog cov kuab tshuaj molecules tseem ceeb kom nkag mus rau hauv cov xim zaj duab xis, txo cov adhesion ntawm cov xim zaj duab xis thiab substrate, thiaj li ua kom ceev. nce cov xim stripping tus nqi. Nws tseem tuaj yeem txo qhov ntau npaum li cas ntawm cov kuab tshuaj tseem ceeb thiab txo tus nqi. Cawv, ethers thiab esters feem ntau yog siv los ua cov kuab tshuaj.

3) Txhawb nqa

Promoter yog ib tug xov tooj ntawm nucleophilic kuab tshuaj, feem ntau organic acids, phenols thiab amines, xws li formic acid, acetic acid thiab phenol. Nws ua los ntawm kev rhuav tshem cov saw hlau macromolecular thiab ua kom nrawm nrawm thiab o ntawm txheej txheej. Organic acid muaj tib pab pawg ua haujlwm zoo ib yam li cov xim ntawm cov yeeb yaj kiab - OH, nws tuaj yeem cuam tshuam nrog kev sib txuas ntawm cov pa oxygen, nitrogen thiab lwm cov polar atoms, nqa cov txheej txheem ntawm ib feem ntawm lub cev crosslinking cov ntsiab lus, yog li ua kom cov xim stripper hauv lub cev. organic txheej diffusion tus nqi, txhim kho cov xim zaj duab xis o thiab wrinkling muaj peev xwm. Nyob rau tib lub sijhawm, cov organic acids tuaj yeem ua rau cov hydrolysis ntawm ester daim ntawv cog lus, ether daim ntawv cog lus ntawm polymer thiab ua rau nws tawg daim ntawv cog lus, ua rau poob ntawm cov tawv nqaij thiab nkig substrates tom qab xim stripping.

Deionized dej yog lub siab dielectric qhov hnyav (ε = 80120 ntawm 20 ℃). Thaum lub saum npoo yuav tsum tau stripped yog polar, xws li polyurethane, lub siab dielectric qhov hnyav tas li muaj qhov zoo ntawm kev sib cais ntawm electrostatic nto, kom lwm cov kuab tshuaj tuaj yeem nkag mus rau hauv lub qhov hws ntawm txheej thiab substrate.

Hydrogen peroxide decomposes rau feem ntau ntawm cov hlau, tsim cov pa oxygen, hydrogen thiab atomic daim ntawv ntawm oxygen. Cov pa oxygen ua rau cov txheej tiv thaiv softened dov, tso cai rau cov xim tshiab stripper nkag mus ntawm cov hlau thiab txheej, yog li ua kom cov txheej txheem stripping ceev. Cov kua qaub kuj yog ib qho tseem ceeb hauv cov xim stripper formulations, thiab lawv txoj haujlwm yog tswj cov pH ntawm cov xim stripper ntawm 210-510 thiaj li yuav hnov ​​​​mob nrog dawb amine pawg hauv cov coatings xws li polyurethane. Cov kua qaub uas siv tau tuaj yeem yog cov kua qaub, kua qaub, organic acid lossis inorganic acid. Raws li inorganic acid ntau dua yuav tsim corrosion ntawm hlau, yog li nws yog qhov zoo tshaj plaws los siv RCOOH cov mis mos, qhov hnyav molecular tsawg dua 1,000 soluble organic acids, xws li formic acid, acetic acid, propionic acid, butyric acid, valeric acid, hydroxyacetic. acid, hydroxybutyric acid, lactic acid, citric acid thiab lwm yam hydroxy acids thiab lawv cov mix.

4) Thickeners

Yog tias cov xim stripper siv rau cov khoom siv loj uas yuav tsum tau ua raws li qhov chaw kom lawv hnov ​​​​mob, nws yuav tsum tau ntxiv cov thickeners xws li dej-soluble polymers xws li cellulose, polyethylene glycol, thiab lwm yam, los yog inorganic ntsev xws li sodium chloride. , potassium chloride, sodium sulfate, thiab magnesium chloride. Nws yuav tsum tau muab sau tseg tias inorganic salts thickeners kho viscosity yuav nce nrog lawv npaum li cas, tshaj li qhov no, lub viscosity yog txo, thiab kev xaiv tsis raug kuj muaj feem xyuam rau lwm yam Cheebtsam.

Polyvinyl cawv yog cov dej-soluble polymer, nrog cov dej zoo solubility, film-forming, adhesion thiab emulsification, tab sis tsuas yog ob peb cov organic tebchaw yuav yaj nws, polyol tebchaw xws li glycerol, ethylene glycol thiab qis molecular hnyav polyethylene glycol, amide, triethanolamine. ntsev, dimethyl sulfoxide, thiab lwm yam, nyob rau hauv cov organic solvents saum toj no, yaj ib me me ntawm polyvinyl cawv yuav tsum tau rhuab. Polyvinyl cawv aqueous tov nrog benzyl cawv thiab formic acid sib tov ntawm cov neeg pluag compatibility, yooj yim txheej, thiab nyob rau tib lub sij hawm nrog methyl cellulose, hydroxyethyl cellulose solubility ntawm pluag, tab sis thiab carboxy methyl cellulose solubility yog zoo dua.

Polyacrylamide yog ib hom dej-soluble polymer, nws thiab nws cov derivatives tuaj yeem siv los ua flocculants, thickeners, ntawv enhancers thiab retarders, thiab lwm yam. organic tshuaj, xws li methanol, ethanol, acetone, ether, aliphatic hydrocarbons thiab aromatic hydrocarbons. Methyl cellulose aqueous tov nyob rau hauv benzyl cawv hom acid ntau ruaj khov, thiab ntau yam dej-soluble tshuaj muaj mixability zoo. Tus nqi ntawm viscosity nyob ntawm kev tsim kho, tab sis cov nyhuv thickening tsis ncaj qha proportional rau tus nqi, nrog rau qhov nce ntxiv, cov tshuaj aqueous maj mam txo qhov kub ntawm gelation. Benzaldehyde yam tsis tuaj yeem nce ntxiv los ntawm kev ntxiv methyl cellulose kom ua tiav cov nyhuv viscosity tseem ceeb.

5) Corrosion Inhibitor

Txhawm rau tiv thaiv corrosion ntawm substrate (tshwj xeeb tshaj yog magnesium thiab txhuas), yuav tsum tau ntxiv qee qhov kev tiv thaiv corrosion. Corrosiveness yog ib qho teeb meem uas tsis tuaj yeem tsis quav ntsej hauv cov txheej txheem tsim khoom tiag tiag, thiab cov khoom siv kho nrog cov xim stripper yuav tsum tau ntxuav thiab qhuav nrog dej los yog ntxuav nrog rosin thiab roj av kom raws sijhawm kom ntseeg tau tias cov hlau thiab lwm yam khoom tsis corroded.

6) Volatile inhibitors

Feem ntau hais lus, cov tshuaj uas muaj permeability zoo yog ib qho yooj yim rau volatilize, yog li txhawm rau tiv thaiv cov volatilization ntawm cov kuab tshuaj molecules tseem ceeb, yuav tsum tau ntxiv qee qhov volatilization inhibitor ntxiv rau cov xim stripper kom txo cov volatilization ntawm cov kuab tshuaj molecules nyob rau hauv cov txheej txheem ntawm ntau lawm. , tsheb thauj mus los, cia thiab siv. Thaum cov xim stripper nrog paraffin wax yog siv rau ntawm cov xim pleev xim, ib txheej nyias ntawm paraffin wax yuav raug tsim nyob rau saum npoo, yog li cov kuab tshuaj tseem ceeb yuav muaj sijhawm txaus nyob thiab nkag mus rau hauv cov xim pleev xim kom tshem tawm, yog li. txhim kho cov xim stripping nyhuv. Khoom paraffin wax ib leeg yuav feem ntau ua rau tsis zoo dispersion, thiab ib qho me me ntawm paraffin wax yuav nyob twj ywm rau saum npoo tom qab tshem tawm cov xim, uas yuav cuam tshuam rau cov tshuaj tsuag dua. Yog tias tsim nyog, ntxiv emulsifier kom txo qhov nro saum npoo kom cov khoom siv paraffin thiab kua paraffin ciab tuaj yeem ua kom zoo thiab nws cov khoom ruaj khov tuaj yeem txhim kho.

7) Surfactant

Qhov sib ntxiv ntawm surfactants, xws li amphoteric surfactants (xws li, imidazoline) los yog ethoxynonylphenol, tuaj yeem pab txhim kho kev ruaj ntseg ntawm cov xim stripper thiab pab ntxuav cov xim nrog dej. Nyob rau tib lub sijhawm, kev siv cov molecules surfactant nrog ob qho tib si lipophilic thiab hydrophilic ob yam khoom ntawm surfactant, tuaj yeem cuam tshuam cov nyhuv solubilization; Kev siv cov nyhuv surfactant colloidal pab pawg, kom cov solubility ntawm ntau yam hauv cov kuab tshuaj tau nce ntau. Feem ntau siv surfactants yog propylene glycol, sodium polymethacrylate los yog sodium xylenesulfonate.

Kaw

 

 


Post lub sij hawm: Sep-09-2020