izindaba

I-Lithopone iyi-pigment emhlophe eyakhiwe yingxube ye-barium sulfate ne-zinc sulfide, ngokuvamile ngesilinganiso esingu-1:1. Njengoba yenziwe nge-chemical reaction phakathi kwezixazululo ze-barium sulfide ne-zinc sulfate, le nhlanganisela engaphili ibilokhu iyinto ebalulekile ekugqokeni kwezimboni, epulasitikini, nasezimonyweni iminyaka engaphezu kwekhulu, ibhekwa njengomhlophe wayo okhanyayo, ukungacaci kahle, kanye nokusebenza kahle kwezindleko.

Esinye sezici ezichazayo ze-lithopone amandla ayo okufihla aphezulu, aphikisana ne-titanium dioxide kwezinye izinhlelo zokusebenza, okwenza ibe yindawo ekahle kakhulu ekuqedeni okungabonakali. Ibonisa ukumelana okuhle nama-alkali, yize izwa ama-asidi, angabhidliza isakhiwo sayo. Ngokungafani neminye imibala, i-lithopone ayishintshi umbala ngaphansi kokukhanya, iqinisekisa ukuzinza kwesikhathi eside emikhiqizweni yangaphandle nangaphakathi ngokufanayo. Ukumuncwa kwayo okuphansi kwamafutha kuthuthukisa nokusebenza kwayo kumapende nakuyinki, okuvumela ukusetshenziswa okubushelelezi nokugeleza okungcono.​
Enqubweni yokukhiqiza, izixazululo ze-barium sulfide ehlanziwe kanye ne-zinc sulfate ziyaxutshwa, okwenza izinhlayiya ze-lithopone zibe zihlungiwe, zigezwe, zomiswe, bese zigaywa ukuze kufezwe ubukhulu bezinhlayiya obuqondile—ngokuvamile kusukela kuma-micrometer angu-0.5 kuya kwangu-5. Lokhu kugaya okuncane kuthuthukisa ukuhlakazeka kwayo kuma-matrices ahlukahlukene, kusukela kupende olusekelwe kumafutha kuya kuma-resin epulasitiki.​
Imboni yokugqoka ithembele kakhulu kwi-lithopone ngopende wangaphakathi, ama-primer, nama-enamel, lapho ihlinzeka khona ngesisekelo esimhlophe esifanayo futhi ithuthukisa ukumbozwa. Kumapulasitiki, isebenza njenge-filler kanye ne-ejenti yokwenza mhlophe emikhiqizweni efana namapayipi e-PVC, amathoyizi, kanye nokupakishwa, okuthuthukisa ukubukeka kanye nobuqotho besakhiwo. Izakhiwo zezimonyo, njengempuphu yobuso nama-cream, zisebenzisa i-lithopone ukuze ziqede kahle futhi zikwazi ukubonakalisa ukukhanya, okwenza isikhumba sibe nombala obushelelezi, olinganayo.


Isikhathi sokuthunyelwe: Julayi-09-2025