Titanium dioxide(TiO2) wani nau'in launi ne da ake amfani da shi a masana'antu daban-daban, ciki har da fenti, sutura, robobi da kayan kwalliya. Ya wanzu a cikin manyan nau'ikan crystal guda biyu: rutile da anatase. Fahimtar bambance-bambance tsakanin waɗannan nau'ikan biyu yana da mahimmanci don zaɓar daidai nau'in TiO2 don takamaiman aikace-aikacen.
Rutile da anatase duka nau'ikan titanium dioxide ne, amma suna da kaddarorin daban-daban waɗanda ke sa su dace da amfani daban-daban. An san Rutile don kyakkyawan juriya na UV da juriya na yanayi, yana mai da shi mashahurin zaɓi don aikace-aikacen waje kamar fenti na waje da sutura. Anatase, a gefe guda, yana da daraja don babban aikin photocatalytic, yana sa ya zama manufa don aikace-aikace irin su tsaftacewa mai tsabta da tsarin tsaftace iska.
Ɗaya daga cikin manyan bambance-bambance tsakanin rutile da anatase shine tsarin su na crystal. Rutile yana da tsarin kristal tetragonal, yayin da anatase yana da mafi hadadden tsarin crystal orthorhombic. Wannan bambance-bambancen tsarin yana haifar da canje-canje a cikin halayensu na zahiri da na sinadarai, a ƙarshe yana shafar aikinsu a aikace-aikace daban-daban.
Dangane da kaddarorin gani,Farashin TiO2yana da mafi girma fihirisa refractive da opacity fiye da anatase. Wannan ya sa rutile ya zama zaɓi na farko don aikace-aikace inda sarari da haske ke da mahimmanci, kamar fararen fenti da sutura. Anatase, a gefe guda, yana da ƙananan ƙididdiga na refractive kuma ana amfani dashi sau da yawa a aikace-aikace inda ake buƙatar bayyana gaskiya da tsabta, kamar suttura masu tsabta da sunscreens.
Wani muhimmin mahimmanci da za a yi la'akari da lokacin zabar tsakanin rutile da anatase TiO2 shine aikin su na photocatalytic. Anatase yana da inganci mafi girma na photocatalytic fiye da rutile, yana sa ya dace da aikace-aikacen da ke buƙatar tsabtace kai da ƙazantar ƙazanta. Wannan dukiya ta haifar da yin amfani da anatase titanium dioxide a cikin samfurori irin su gilashin tsaftacewa, tsarin tsaftace iska da kuma suturar rigakafi.
Har ila yau, ya kamata a lura da cewa ayyukan samar da rutile TiO2 daanatase TiO2iya bambanta, sakamakon bambance-bambance a cikin barbashi size, surface area, kuma agglomeration halaye. Wadannan abubuwan zasu iya rinjayar tarwatsawa, kwanciyar hankali da aikin TiO2 a cikin nau'o'i daban-daban, suna kara jaddada mahimmancin zaɓar nau'in da ya dace don takamaiman aikace-aikacen.
A taƙaice, bambance-bambancen da ke tsakanin rutile TiO2 da anatase TiO2 sun zarce sifofin kristal ɗin su zuwa na gani, photocatalytic, da kaddarorin sarrafa su. Fahimtar waɗannan bambance-bambancen yana da mahimmanci don yanke shawarar da aka sani lokacin zabar TiO2 don aikace-aikace iri-iri. Ta hanyar zaɓar nau'in da ya dace na titanium dioxide, masana'antun za su iya haɓaka aiki da aikin samfuran su, a ƙarshe sun cika takamaiman buƙatun masu amfani da ƙarshen.
Lokacin aikawa: Afrilu-26-2024