Tshiab hom epoxy resin hloov cathodic electrophoretic txheej rau electrothermal raj electroplating
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Tshiab hom epoxy resin hloov cathodic electrophoretic txheej rau electrothermal raj electroplating
Ib hom tshiab ntawm epoxy resin tau tsim nyob rau hauv Nyiv, uas tuaj yeem txhim kho qhov cuam tshuam thiab corrosion kuj ntawm cathodic electrophoretic coatings, tshwj xeeb tshaj yog kev txhim kho lawv cov kev ruaj ntseg nyob rau hauv kev cuam tshuam tsis kam txo cov corrosion kuj ntawm cathodic electrophoretic txheej.
Raws li txheej txheem txheej nrog zoo permeability los yog zaj duab xis thickness uniformity, zoo heev corrosion kuj, thiab tsawg ib puag ncig muaj kuab paug, resistive electrophoretic txheej yuav lug siv raws li ib tug primer rau Hoobkas machinery, khoom siv hauv tsev, thiab cov khoom siv hluav taws xob, ntxiv rau siv los ua primer. rau tsheb. Txawm li cas los xij, nyob rau hauv cov ntawv thov xws li automotive txheej tshuab uas xav tau kev tiv thaiv corrosion siab thiab cuam tshuam, cov neeg xav tias lub cev muaj zog ntawm cov txheej txheem. Feem ntau, cov resins siv rau electrophoretic txheej feem ntau siv bisphenol A epoxy resin nrog zoo heev corrosion kuj. Nws muaj zoo adhesion rau steel daim hlau, tab sis nws qhov tsis zoo yog tawv thiab nkig. Vim li no, kev lag luam ib txwm siv cov saw hlau txuas ntxiv xws li polyether polyols, polyester glycols, polyester polyols, kawg carboxylated butadiene acrylonitrile, thiab polyamines los hloov kho epoxy resins.
Txawm li cas los xij, txawm tias cov kev txhim kho no txhim kho kev cuam tshuam, lwm yam txheej txheej, tshwj xeeb tshaj yog corrosion kuj, tau ntsib teeb meem. Tom qab ntawd, kev lag luam thoob ntiaj teb epoxy resin tau npaj cov kev ntsuas xws li ntxiv cov microgels ua los ntawm cov monomers tsis muaj kev sib txuas ntawm cov ethylene sab hauv rau electrophoretic txheej. Piv txwv li, Tuam Tshoj tau thov ntxiv microgels rau cathodic electrophoretic coatings los txhim kho cov smoothness ntawm txheej zaj duab xis, txhim kho extinction thiab kawg corrosion kuj. Txawm li cas los xij, cov txheej txheem no tsis tau ua tiav cov txiaj ntsig zoo hauv kev txhim kho corrosion thiab lub teeb pom kev zoo, thiab muaj qhov tsis zoo xws li kev teeb tsa ntawm microgels thiab cov xim tsis zoo thaum lub sijhawm txheej txheej. Hom tshiab ntawm epoxy resin tsim nyob rau hauv Nyiv tau ua ntau yam kev tshawb fawb ntawm electrophoretic txheej uas tsis nyob twj ywm thaum lub sij hawm cia thiab muaj zoo txheej stability, muab ib tug ruaj khov epoxy resin rau electrophoretic coatings uas yuav txhim kho tej yam kuj tsis txo cov corrosion kuj ntawm cathodic electrophoretic txheej. .
Lub hauv paus ntsiab lus ntawm qhov kev ua tiav no yog tias epoxy resin muaj pes tsawg leeg rau electrophoretic coatings yog npaj los ntawm reacting epoxy resin uas muaj 2-3 qhov chaw los ntawm qhov hnyav ntawm (methyl) acrylic polymer hais nrog amines kom tau txais cov yam ntxwv reactant. Cov txheej txheem cuam tshuam nrog dispersing cov (methyl) acrylic polymer particle Cheebtsam nyob rau hauv ib tug pre liquefied epoxy cob kom tau ib tug tej yam hnyav molecular, thiab ces reacting nrog bisphenols nyob rau hauv lub xub ntiag ntawm ib tug catalyst kom tau cov epoxy resin thiab amines, Epoxy resin siv rau manufacturing electrophoretic. txheej txheej.
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