Kev sib tham ntawm Alkaline Zinc ntsev Zinc Plating Brightener rau Hluav Taws Kub Kub Tube Electroplating

Kev sib tham ntawm Alkaline Zinc ntsev Zinc Plating Brightener rau Hluav Taws Kub Kub Tube Electroplating

Cov txheej txheem alkaline zincate zinc plating muaj qhov zoo ntawm cov txheej txheem yooj yim ntawm cov txheej txheem plating, zoo crystallization, yooj yim passivation ntawm txheej, tsawg discoloration ntawm cov xim passivation zaj duab xis ntawm txheej, thiab kev kho yooj yim ntawm electroplating wastewater. Nyob rau hauv xyoo tsis ntev los no, nrog unremitting kev siv zog ntawm ib tug loj tus naj npawb ntawm electroplating cov npoj yaig, kev ua tau zoo ntawm cov txheej txheem no tau ua kom muaj kev vam meej thiab nws daim ntawv thov teb tau txuas ntxiv mus. Tshwj xeeb tshaj yog nyob rau hauv xyoo tas los no, qhov tshwm sim ntawm ntau yam tshiab alkaline zincate brighteners tau zoo heev txhim kho qhov sib sib zog nqus plating muaj peev xwm, uniform plating muaj peev xwm, thiab txheej ci ci ntawm cov txheej txheem no piv rau cyanide zinc plating thiab qub alkaline zincate zinc plating txheej txheem.

1 Alkaline zincate zinc plating brightener

Tus yuam sij rau alkaline zincate zinc plating yog xaiv cov brighteners tsim nyog. Cov brighteners siv nyob rau hauv cov txheej txheem no tuaj yeem faib ua roughly faib rau hauv cov cab kuj brighteners, lub ntsiab brighteners, thiab lwm yam auxiliary brighteners.

1.1 Carrier Brightener

Feem ntau cov neeg nqa khoom brighteners muaj ib los yog ob peb cov organic amines, cawv amines, nitrogen-muaj heterocyclic tebchaw uas hnov ​​​​mob nrog cawv thiab haloalkanes los ua macromolecular compounds. Piv txwv li, macromolecular tebchaw tsim los ntawm cov tshuaj tiv thaiv ntawm ammonia, monomethylamine, dimethylamine, dimethylaminopropylamine, ethylenediamine, formaldehyde, furfural, piperazine, niacin, ethanolamine, guacha, piperazine, polyethylenepolyamine, imidazole, thiab lwm yam nrog epichlorohydrohydrate. Niaj hnub no, ntau lub brighteners tshiab nyob rau hauv lub teb chaws thiab thoob ntiaj teb kuj siv tau polyamine alums thiab polyamine tebchaw uas muaj tshwj xeeb functional pab pawg raws li carrier brighteners. Cov tebchaw no muaj qhov zoo xws li qhov dav dav dav, muaj peev xwm plating zoo, thiab muaj peev xwm sib sib zog nqus plating. Cov neeg nqa khoom siv ntau tshaj plaws suav nrog DPE, nE, PAs, IME, MOME, thiab lwm yam.

1.2 Main brightener thiab auxiliary brightener

Feem ntau ntawm cov brighteners yog cov organic aldehydes, ketones tebchaw uas yuav txo tau ntawm zinc electrode, adduct ntawm clathrate thiab pilosuccinic acid, los yog quaternary ammonium ntsev ntxiv los ntawm nicotinic acid thiab chloride. Cov khoom siv tshuaj tiv thaiv no yog qhov ruaj khov hauv cov kev daws teeb meem alkaline plating, uas tuaj yeem ua kom zoo dua cov crystallization ntawm txheej thiab muaj cov nyhuv ci ntsa iab.

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