E ngotsoe ka 2019-02-12Silicone le phofshoana ea nano e tšoaroang ka nano-dispersion li qhalakanngoa ka bongata ba resin cross-linked polymerized composite resin, 'me ka mor'a ho fetoloa, phofo ea zinki le phofo ea aluminium li ka fumanoa ho ba le chromium-free, acid- resistant, le Magnesium alloy chromium-free Dacromet solution e nang le melemo ea ho hanyetsa spray ea letsoai, tšireletso ea tikoloho, filimi e tšesaane ea ho roala, ho hanyetsa boemo ba leholimo bo botle le ho hanyetsa tšusumetso.Zhang Shuyong et al.e kentse phofo ea zinki, phofo ea aluminium, metsi a hloekisitsoeng, dispersant (decadiol polyoxyethylene ether kapa cetyl polyoxyethylene ether), phosphate (aluminium hydroxide le 85% phosphoric acid ka tekanyo), Thickener (e qhibilihang ka metsing methyl cellulose ether kapa hydroxypropyl cellulose sodium cellulose ether), tripolyphosphate, polymerization initiator (35% hydrogen peroxide le / kapa potassium permanganate), pH regulator (zinc oxide, oxidation Calcium kapa calcium hydroxide) le thuso ea ho nka filimi (polyethylene glycol) li tsoakoa ho latela karo-karolelano e itseng, e tsosoa ka ho lekana, 'me pH e laoloang ho 3.5 ho ea ho 5.5 ho fumana mokelikeli oa ho roala oa Dacromet o se nang chromium.Moqapi ona ha o na tikoloho ebile ha o na tšilafalo.Ts'ebetso ea kutu e phahame ka makhetlo a 7 ho isa ho a 10 ho feta ea electrogalvanized, hape e na le melemo ea ho kenella ho hoholo, ho fokotsa likhohlano le maemo a leholimo a phahameng.Zhu Chengfei et al.Zinc phofo, phofo ea aluminium, ho kolobisa le ho qhalakanya (alcohol kapa polyalcohol), passivating agent (phytic acid), corrosion inhibitor (sodium molybdate), metsi, ntho e etsang filimi (manganese acetate, manganese nitrate kapa manganese chloride), thuso ea ho nka filimi (silane). coupling agent), thuso ea ho etsa (boric acid kapa succinic acid) le thickener (hydroxymethyl cellulose kapa hydroxyethyl cellulose) li lokisoa ho latela karo-karolelano e itseng ho fumana ha ho bapisoa le bonono ba pele, mokelikeli oa chromium dacrox o na le melemo ea ho se silafatse, ha ho na tšilafalo, tšebeliso e tlaase ea matla le khanyetso e ntle ea ho apara.
Ho sebelisa phosphoric acid e le setlamo le se fetang, lefats'e le sa tloaelehang le thusa, phofo ea aluminium, phofo ea zinki, 85% phosphoric acid, aluminium hydroxide, hydrogen peroxide, calcium oxide, cetyl polyoxyethylene ether, hydroxypropyl cellulose ether, ammonium cerium nitrate le ammonium nitrate. ho ea ka karo-karolelano e itseng, e tsosoa ka ho lekana, 'me pH e laoloa ho 5.5, ho fumana mokelikeli oa ho roala oa Dacromet o se nang chromium o nang le khanyetso e ntle ea kutu.Patlisiso e bonts'a hore ho eketsoa ha letsoai le sa tloaelehang la strontium ea lefats'e ho fokotsa ho roala.Mokelikeli oa hona joale oa lera o na le phello e ntle ea ho thibela kutu holim'a seaparo sa Dacromet.
Nako ea poso: Jan-13-2022