An buga 2019-02-12Silicone da nano-foda da aka bi da su tare da nano-watsawa an tarwatsa su cikin nau'in resin giciye mai haɗin gwiwa polymerized resins, kuma bayan an gyara su, ana iya samun foda na zinc da foda na aluminum don samun chromium-free, acid- resistant, da Magnesium gami chromium-free Dacromet bayani tare da abũbuwan amfãni daga gishiri fesa juriya, muhalli kare, bakin ciki shafi fim, mai kyau yanayi juriya da kuma tasiri juriya.Zhang Shuyong et al.kara da zinc foda, aluminum foda, deionized ruwa, dispersant (decadiol polyoxyethylene ether ko cetyl polyoxyethylene ether), phosphate (aluminum hydroxide da 85% phosphoric acid a cikin rabo), Thickener (ruwa-mai narkewa methyl cellulose ether ko hydroxypropyl methyl cellulose ether sodium), sodium. tripolyphosphate, polymerization initiator (35% hydrogen peroxide da / ko potassium permanganate), pH regulator (zinc oxide, hadawan abu da iskar shaka Calcium ko calcium hydroxide) da kuma yin fim taimakon (polyethylene glycol) suna gauraye bisa ga wani rabo, zuga ko'ina, kuma pH ne sarrafawa a 3.5 zuwa 5.5 don samun ruwa mai rufi na Dacromet mara chromium.Ƙirƙirar tana da alaƙa da muhalli kuma ba ta da gurɓata yanayi.Ayyukan lalata sun fi sau 7 zuwa 10 sama da na electrogalvanized, kuma yana da fa'idodi na haɓakar haɓakar haɓakar haɓakar haɓakar haɓakar haɓaka, haɓakar juriya, da juriya na yanayi.Zhu Chengfei et al.Zinc foda, aluminum foda, wetting da dispersing wakili (giya ko polyalcohol), passivating wakili (phytic acid), lalata inhibitor (sodium molybdate), ruwa, fim kafa wakili (manganese acetate, manganese nitrate ko Manganese chloride), yin fim taimakon (silane). hada guda biyu wakili), kafa taimako (boric acid ko succinic acid) da thickener (hydroxymethyl cellulose ko hydroxyethyl cellulose) an shirya bisa ga wani rabo don samun babu Idan aka kwatanta da kafin art, da chromium dacrox shafi ruwa yana da abũbuwan amfãni daga wani gurbatawa. babu gurɓata, ƙarancin amfani da makamashi da juriya mai kyau.
Yin amfani da phosphoric acid a matsayin mai ɗaure da wakili mai wucewa, ƙasa mai wuya shine mataimaki, aluminum foda, zinc foda, 85% phosphoric acid, aluminum hydroxide, hydrogen peroxide, calcium oxide, cetyl polyoxyethylene ether, hydroxypropyl cellulose ether, ammonium cerium nitrate da ammonium nitrate suna gauraye. bisa ga wani rabo, zuga a ko'ina, kuma pH ana sarrafa zuwa 5.5, don samun wani chromium-free Dacromet shafi ruwa tare da kyakkyawan lalata juriya.Binciken ya nuna cewa ƙara gishirin strontium na duniya da ba kasafai ba yana rage abin rufe fuska yadda ya kamata.Lalacewar halin yanzu na Layer yana da tasiri mai kyau na hana lalacewa akan murfin Dacromet.
Lokacin aikawa: Janairu-13-2022