Kev siv Cellulose Ether hauv Paint Remover

xim tshem tawm

Cov xim tshem tawm yog cov kuab tshuaj los yog muab tshuaj txhuam uas tuaj yeem yaj lossis o ntawm cov zaj duab xis txheej, thiab feem ntau yog tsim los ntawm cov kuab tshuaj uas muaj peev xwm ua kom muaj zog, paraffin, cellulose, thiab lwm yam.

Hauv kev lag luam shipbuilding, mechanical txoj kev xws li phau ntawv shoveling, tua blasting, sandblasting, high-pressure dej thiab abrasive jets yog tsuas yog siv los tshem tawm cov laus coatings. Txawm li cas los xij, rau aluminium hulls, mechanical method yog ib qho yooj yim rau khawb aluminium, yog li lub ntsiab Siv xuab zeb los polish, xim stripper, thiab lwm yam kom tshem tawm cov qub xim zaj duab xis. Piv nrog rau kev xuab zeb, kev siv cov xim tshem tawm kom tshem tawm cov xim qub qub muaj qhov zoo ntawm kev nyab xeeb, kev tiv thaiv ib puag ncig thiab kev ua haujlwm siab.

Qhov zoo ntawm kev siv cov xim tshem tawm yog kev ua haujlwm siab, siv nyob rau hauv chav tsev kub, tsis tshua muaj corrosion rau hlau, kev tsim kho yooj yim, tsis tas yuav tsum tau nce cov khoom siv, thiab qhov tsis zoo yog tias qee cov xim tshem tawm muaj tshuaj lom, volatile, flammable, thiab kim. Nyob rau hauv xyoo tas los no, ntau yam khoom siv tshuaj pleev xim tshiab tau tshwm sim, thiab cov xim pleev xim rau dej kuj tau tsim. Cov xim tshem tawm kev ua haujlwm tau raug txhim kho tsis tu ncua, thiab kev tiv thaiv ib puag ncig tau raug txhim kho tas li. Cov khoom tsis muaj tshuaj lom, tsis muaj tshuaj lom, thiab cov khoom tsis muaj hluav taws xob tau maj mam nyob hauv lub lag luam tseem ceeb ntawm cov xim tshem tawm.

Lub hauv paus ntsiab lus ntawm cov xim tshem tawm thiab kev faib tawm ntawm cov xim tshem tawm

1. Txoj cai ntawm cov xim stripping

Cov xim tshem tawm tsuas yog tso siab rau cov kuab tshuaj organic hauv cov xim tshem tawm kom yaj thiab o ntawm cov txheej txheem ntau lawm, thiaj li ua tiav lub hom phiaj ntawm kev tshem tawm cov txheej txheem qub ntawm lub substrate. Thaum cov xim tshem tawm nkag mus rau hauv qhov sib txawv ntawm cov saw hlau ntawm cov txheej txheej polymer, nws yuav ua rau cov polymer o, yog li lub ntim ntawm txheej txheej yuav nce ntxiv, thiab cov kev ntxhov siab sab hauv tsim los ntawm qhov nce ntawm cov txheej txheem. polymer yuav tsis muaj zog thiab Thaum kawg, qhov adhesion ntawm txheej zaj duab xis rau lub substrate raug rhuav tshem, thiab txheej txheej txheej txheej txheej txheem los ntawm point-zoo li o mus rau daim ntawv o, ua rau lub txheej zaj duab xis wrinkle, tag nrho cov adhesion ntawm txheej zaj duab xis mus rau lub substrate. , thiab thaum kawg lub txheej zaj duab xis yog tom tawm. meej.

2. Kev faib tawm ntawm cov xim tshem tawm

Cov xim strippers tau muab faib ua ob pawg raws li qhov sib txawv ntawm cov yeeb yaj kiab tsim tawm: ib qho yog tsim nrog cov kuab tshuaj organic xws li ketones, benzenes, thiab ketones, thiab volatilization retarder paraffin, feem ntau hu ua cov tshuaj pleev xim dawb, thiab feem ntau yog siv los tshem tawm. cov xim pleev xim qub xws li roj-raws li, alkyd thiab nitro-based xim. Hom tshuaj pleev xim no feem ntau yog tsim los ntawm qee cov organic solvents, uas muaj teeb meem xws li flammability thiab toxicity, thiab kuj pheej yig.

Lwm qhov yog chlorinated hydrocarbon xim Remover formulated nrog dichloromethane, paraffin thiab cellulose ether ua lub ntsiab Cheebtsam, feem ntau hu ua dej yaug xim Remover, feem ntau yog siv los tshem tawm epoxy asphalt, polyurethane, epoxy poly Kho cov laus txheej films xws li phthalamide los yog amino alkyd. resin. Nws muaj cov xim zoo nkauj tshem tawm, tsis muaj tshuaj lom thiab siv dav. Cov xim tshem tawm nrog dichloromethane ua cov kuab tshuaj tseem ceeb kuj tau muab faib ua cov xim nruab nrab (pH = 7 ± 1), alkaline xim tshem tawm (pH> 7) thiab acidic xim tshem tawm raws li qhov sib txawv ntawm tus nqi pH.