Pipa lori 2019-02-12Awọn silikoni ati awọn nano-lulú ti a tọju pẹlu nano-pinka ti wa ni tuka sinu ọpọ ti resini agbelebu-ti o ni asopọ polymerized resins composite, ati lẹhin iyipada, zinc lulú ati lulú aluminiomu le ṣee gba lati ni chromium-free, acid- sooro, ati Magnẹsia alloy chromium-free Dacromet ojutu pẹlu awọn anfani ti iyo sokiri resistance, ayika Idaabobo, tinrin ti a bo fiimu, ti o dara oju ojo resistance ati ikolu resistance.Zhang Shuyong et al.ti a fi kun lulú zinc, lulú aluminiomu, omi ti a fi omi ṣan, dispersant (decadiol polyoxyethylene ether tabi cetyl polyoxyethylene ether), fosifeti (aluminiomu hydroxide ati 85% phosphoric acid ni iwọn), Thickener (omi-tiotuka methyl cellulose ether tabi hydroxypropyl methyl cellulose ether sodium), soda. tripolyphosphate, olupilẹṣẹ polymerization (35% hydrogen peroxide ati / tabi potasiomu permanganate), olutọsọna pH (zinc oxide, oxidation Calcium or calcium hydroxide) ati iranlowo aworan (polyethylene glycol) ti wa ni idapo ni ibamu si ipin kan, rú boṣeyẹ, ati pH jẹ ti a ṣakoso ni 3.5 si 5.5 lati gba omi ti a bo Dacromet ti ko ni chromium.Awọn kiikan ni ayika ore ati ki o idoti-free.Išẹ ipata jẹ 7 si awọn akoko 10 ti o ga ju ti electrogalvanized, ati pe o tun ni awọn anfani ti permeability giga, idinku ikọlura giga, ati oju ojo giga.Zhu Chengfei et al.Zinc lulú, aluminiomu lulú, wetting ati dispersing oluranlowo (oti tabi polyalcohol), passivating oluranlowo (phytic acid), ipata inhibitor (sodium molybdate), omi, film forming oluranlowo (manganese acetate, manganese nitrate tabi Manganese kiloraidi), iranlowo aworan (silane). oluranlowo idapọmọra), iranlọwọ iranlọwọ (boric acid tabi succinic acid) ati thickener (hydroxymethyl cellulose tabi hydroxyethyl cellulose) ti pese sile ni ibamu si ipin kan lati gba ko si Ni afiwe pẹlu aworan iṣaaju, omi ti a bo chromium dacrox ni awọn anfani ti ko si idoti, ko si idoti, kekere agbara agbara ati ti o dara yiya resistance.
Lilo phosphoric acid bi dinder ati passivating oluranlowo, toje aiye jẹ oluranlowo, aluminiomu lulú, zinc lulú, 85% phosphoric acid, aluminiomu hydroxide, hydrogen peroxide, calcium oxide, cetyl polyoxyethylene ether, hydroxypropyl cellulose ether , ammonium cerium nitrate ati ammonium iyọ ti wa ni idapo. ni ibamu si ipin kan, rú boṣeyẹ, ati pH ti wa ni iṣakoso si 5.5, lati gba omi ti a bo Dacromet ti ko ni chromium pẹlu resistance ipata to dara julọ.Iwadi na fihan pe afikun iyọ strontium ti o ṣọwọn ni idinku imunadoko ibora.Ilọkuro ibajẹ ti Layer ni ipa idena ipata ti o dara lori ideri Dacromet.
Akoko ifiweranṣẹ: Jan-13-2022