Umbala we-iron oxide uhlobo lombala onokuhlakazeka okuhle, ukumelana nokukhanya okuhle kakhulu, kanye nokumelana nesimo sezulu. Umbala we-iron oxide ikakhulukazi ubhekisela ezinhlotsheni ezine zombala, okungukuthi i-iron oxide ebomvu, i-iron ephuzi, i-iron emnyama, kanye ne-iron brown, ngokusekelwe kuma-iron oxide. Phakathi kwazo, i-iron oxide ebomvu iyona umbala oyinhloko (ohlanganisa cishe ama-50% ombala we-iron oxide), kanti i-mica iron oxide esetshenziswa njenge-anti rust pigments kanye ne-magnetic iron oxide esetshenziswa njengezinto zokuqopha ze-magnetic nazo ziyingxenye yesigaba sombala we-iron oxide. I-iron oxide iyona umbala wesibili ngobukhulu obungaphili ngemva kwe-titanium dioxide kanye ne-inorganic pigment enkulu kakhulu enombala. Ngaphezu kwama-70% azo zonke izinhlobo zombala we-iron oxide ezisetshenziswayo zilungiswa ngezindlela zokwenziwa kwamakhemikhali, ezaziwa ngokuthi i-synthetic iron oxide. I-synthetic iron oxide isetshenziswa kabanzi emikhakheni efana nezinto zokwakha, izembozo, amapulasitiki, ama-elekthronikhi, ugwayi, imithi, irabha, izinto zobumba, uyinki, izinto eziwubuthi, ukwenza iphepha, njll. ngenxa yobumsulwa bayo obuphezulu bokwenziwa, usayizi wezinhlayiya ezifanayo, i-chromatography ebanzi, imibala eminingi, izindleko eziphansi, izakhiwo ezingezona ezinobuthi, umbala omuhle kakhulu kanye nokusebenza kahle, kanye nokusebenza kokumuncwa kwe-UV.
Ukusetshenziswa kwama-pigment e-iron oxide ukufaka imibala emikhiqizweni yekhonkrithi kuya ngokuya kuvama, futhi ukusetshenziswa kwe-iron oxide ebomvu emikhiqizweni yekhonkrithi kufanele kunake izinkomba ezilandelayo. 1. Khetha umbala omuhle. Kunezinhlobo eziningi zama-iron oxide obomvu, futhi imibala isukela ekukhanyeni kuya ekujuleni. Okokuqala, khetha umbala owanelisekile ngawo. 2. Ukwengeza ama-pigment emikhiqizweni yekhonkrithi kungaba nomthelela emandleni ekhonkrithi. Uma kungezwa kakhulu, kuzothinta kakhulu amandla ekhonkrithi. Ngakho-ke isimiso siwukunciphisa inani le-pigment engeziwe ngangokunokwenzeka. Uma amandla okufaka imibala e-pigment engcono, kulapho engezwa kancane. Ngakho-ke lapho isidingo samandla okufaka imibala e-pigment siphezulu, kungcono. 3. I-iron oxide ebomvu yakhiwa yi-oxidation yezikali zensimbi ezindabeni ze-acidic. Uma ama-pigment asezingeni eliphansi ene-acidic kancane, ama-pigment e-acidic azosabela nge-alkaline cement ngezinga elithile, ngakho-ke uma i-iron oxide ebomvu iphansi, kungcono.
Ifomula ye-pigment ye-iron oxide iyimfuneko ekhethekile yezembozo zanamuhla kanye nezimboni ze-thermoplastic.
Lo mkhiqizo ufanelekela izinhlelo ezivamile ezisekelwe ku-solvent kanye nezingubo ezisekelwe emanzini. Ukumuncwa okuphansi kwamafutha kutholakala ngenqubo ekhethekile yokugaya, ekhiqiza ukusatshalaliswa kosayizi wezinhlayiya ezincane kanye nezinhlayiya ezicishe zibe yindilinga (ezine-polygonal). Ukumuncwa okuphansi kwamafutha kuyisilinganiso esibalulekile sokukhiqiza izingubo eziqinile kakhulu kanye nezinhlelo zokudaya ezinokuqukethwe okuqinile okuphezulu kanye noyinki wamakhemikhali e-organic aguquguqukayo. Kunconywa ukuthi kube nokuqukethwe okuphansi kakhulu kukasawoti oncibilikayo emanzini, njengoba imibala ye-iron oxide inokuqina okuphezulu kanye nokumelana okuhle nesimo sezulu.
I-pigment ye-iron oxide ebomvu ekhishwe i-polymer yakhiwa ngokwelashwa kokushisa ngakho-ke imelela i-iron oxide ebomvu ene-calcium eqinile ekushiseni.
Ama-pigment anezinzuzo ezibalulekile uma kuqhathaniswa nezinto zokwenziwa ezivamile.
Isikhathi sokuthunyelwe: Okthoba-18-2023

