iindaba

Ii-iron oxide pigments zisetyenziswa kakhulu kwiingubo, iipeyinti, kunye nee-inki ngenxa yokuba azinabungozi, aziphumi, zibiza kancinci, kwaye ziyakwazi ukwenza imibala eyahlukeneyo. Iingubo zenziwe ngezinto ezenza ifilimu, ii-pigments, izizalisi, izinyibilikisi, kunye nezongezo. Ziphuhliswe ukusuka kwiingubo ezisekelwe kwioyile ukuya kwiingubo ezenziwe nge-resin, kwaye iingubo ezahlukeneyo azinakusebenza ngaphandle kokusetyenziswa kwee-pigments, ngakumbi ii-iron oxide pigments, eziye zaba ludidi lwe-pigment oluyimfuneko kushishino lwengubo.

Ii-pigment ze-iron oxide ezisetyenziswa kwiingubo ziquka i-iron etyheli, i-iron red, i-iron brown, i-iron black, i-mica iron oxide, i-iron etyheli ecacileyo, i-iron red ecacileyo, kunye neemveliso ezikhanyayo, apho i-iron red yeyona ibalulekileyo ngobuninzi nangobubanzi.
I-iron red inokumelana kakuhle nobushushu, ayitshintshi umbala kwi-500 ℃, kwaye ayitshintshi ulwakhiwo lwayo lweekhemikhali kwi-1200 ℃, nto leyo eyenza ukuba ihlale izinzile kakhulu. Ingafunxa i-ultraviolet spectrum elangeni, ngoko ke inefuthe lokukhusela kwi-coating. Ayikwazi ukunyibilikisa ii-asidi, ii-alkali, amanzi kunye nezinyibilikisi, nto leyo eyenza ukuba ikwazi ukumelana kakuhle nemozulu.

Ubuninzi be-iron oxide ebomvu yi-0.2 μ M, indawo ethile yomphezulu kunye nokufunxwa kweoyile nako kukhulu. Xa ubuninzi bukhula, umbala usuka kwi-red phase purple, kwaye indawo ethile yomphezulu kunye nokufunxwa kweoyile kuba ncinci. Ubomvu be-iron busetyenziswa kakhulu kwiingubo ezichasene nokugqwala ezinomsebenzi wokulwa nokugqwala ngokwasemzimbeni. Ukufuma emoyeni akunakungena kumaleko wesinyithi, kwaye kunokunyusa uxinano kunye namandla oomatshini engubo.
Ityuwa ebomvu yentsimbi enyibilikayo emanzini esetyenziswa kwipeyinti yokulwa nomhlwa kufuneka ibe sezantsi, nto leyo eluncedo ekuphuculeni ukusebenza kokulwa nomhlwa, ingakumbi xa ii-ion ze-chloride zisanda, amanzi kulula ukungena kwi-coating, kwaye kwangaxeshanye, ikwakhawulezisa ukubola kwesinyithi.

Isinyithi sinovakalelo olukhulu kwi-asidi, ngoko ke xa ixabiso le-PH ye-resin, i-pigment okanye i-solvent kwipeyinti ingaphantsi kwe-7, kulula ukukhuthaza ukubola kwesinyithi. Emva kokuvezwa elangeni ixesha elide, upende obomvu wesinyithi unokuba ngumgubo, ngakumbi ubomvu wesinyithi one-Granularity encinci uphuma ngokukhawuleza, ngoko ke ubomvu wesinyithi one-Granularity enkulu kufuneka kukhethwe ukuphucula ukumelana nemozulu, kodwa kulula nokunciphisa ukukhanya kopende.

Utshintsho kumbala we-topcoat ludla ngokubangelwa kukuxinana kwento enye okanye ezingaphezulu kwepigment. Ukungamanzi kakuhle kwepigment kunye nee-agents ezininzi zokumanzisa zihlala ziyimbangela yokuxinana. Emva kokuba i-calcination ifunyenwe, i-pigment idla ngokuba ne-flocculation. Ke ngoko, ukuqinisekisa ukuba umbala we-topcoat uyafana kwaye uhambelana, kuyacetyiswa ukuba ukhethe ukwenziwa okumanzi kwe-iron red. Umphezulu wokugquma owenziwe nge-needle shaped crystalline iron red uthambekele kwi-mercerization, kwaye imivimbo eveliswayo ngexesha lokupeyinta ibonwa kwii-engile ezahlukeneyo, ngombala owahlukileyo, kwaye inxulumene ne-refractive indices ezahlukeneyo zeekristale.

Xa kuthelekiswa neemveliso zendalo, i-synthetic iron oxide red inoxinano olukhulu, i-Granularity encinci, ubumsulwa obuphezulu, amandla okufihla angcono, ukufunxwa kweoyile okuphezulu kunye namandla okufaka imibala aqinileyo. Kwezinye iindlela zokupenda, i-natural iron oxide red yabelwana ngayo neemveliso zokwenziwa, ezifana ne-iron oxide red alkyd primer esetyenziselwa ukucoca iindawo ze-Ferrous ezifana nezithuthi, oomatshini kunye nezixhobo.

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Ixesha lokuthumela: Juni-26-2023