Titanium dioxide (TiO2) bụ ngwaahịa kemịkalụ inorganic dị mkpa, nke nwere ihe dị mkpa eji eme ihe na mkpuchi, inks, imepụta akwụkwọ, rọba rọba, eriri kemịkalụ, ceramik na ụlọ ọrụ ndị ọzọ.Titanium dioxide (aha bekee: titanium dioxide) bụ pigmenti ọcha nke ihe mejupụtara ya bụ titanium dioxide (TiO2).Aha sayensị bụ titanium dioxide (titanium dioxide), na usoro ihe omimi bụ TiO2.Ọ bụ ogige polycrystalline nke a na-ahazi ihe irighiri ya mgbe niile ma nwee usoro lattice.Obere njupụta nke titanium dioxide kacha nta.Usoro mmepụta nke titanium dioxide nwere ụzọ usoro abụọ: usoro sulfuric acid na usoro chlorination.
Isi atụmatụ:
1) Njupụta nke ikwu
N'ime pigmenti ọcha a na-ejikarị eme ihe, njupụta nke titanium dioxide kacha nta.N'etiti ndị na-acha ọcha pigmenti nke otu àgwà, elu ebe titanium dioxide bụ kasị na pigmenti olu bụ kasị.
2) Ebe na-agbaze na ebe esi mmiri
Ebe ọ bụ na ụdị anatase na-agbanwe ghọọ ụdị rutile na okpomọkụ dị elu, ebe mgbaze na ebe esi mmiri anatase titanium dioxide adịghị adị n'ezie.Naanị rutile titanium dioxide nwere ebe agbaze na ebe esi.Ebe mgbaze nke rutile titanium dioxide bụ 1850 Celsius C, ebe na-agbaze na ikuku bụ (1830 ± 15) Celsius C, ebe mgbaze na ikuku oxygen bụ 1879 Celsius C. Ebe mgbaze na-ejikọta ịdị ọcha nke titanium dioxide. .Ebe a na-esi esi nke rutile titanium dioxide bụ (3200± 300)°C, na titanium dioxide na-agbanwe ntakịrị na oke okpomọkụ a.
3) Dielectric mgbe niile
Titanium dioxide nwere ezigbo ọkụ eletrik n'ihi nnukwu dielectric ya mgbe niile.Mgbe ị na-achọpụta ụfọdụ ihe anụ ahụ nke titanium dioxide, a ga-atụle ntụzịaka crystallographic nke kristal titanium dioxide.Dielectric mgbe niile nke anatase titanium dioxide dị obere, naanị 48.
4) Omume omume
Titanium dioxide nwere ihe ndị dị na semiconductor, omume ya na-abawanye ngwa ngwa na okpomọkụ, ọ na-enwekwa mmetụta dị ukwuu na ụkọ oxygen.Ngwongwo dielectric na-adịgide adịgide na semiconductor nke rutile titanium dioxide dị ezigbo mkpa maka ụlọ ọrụ eletrọnịkị, enwere ike iji ihe ndị a mepụta ihe elektrọn dị ka seramiiki capacitors.
5) Isi ike
Dị ka ọnụ ọgụgụ nke Mohs siri ike, rutile titanium dioxide bụ 6-6.5, na titanium dioxide anatase bụ 5.5-6.0.Ya mere, na mkpochapu eriri kemịkal, a na-eji ụdị anatase eme ihe iji zere iyi nke oghere spinneret.
6) Hygroscopicity
Ọ bụ ezie na titanium dioxide bụ hydrophilic, hygroscopicity ya adịghị ike nke ukwuu, na ụdị rutile dị ntakịrị karịa ụdị anatase.Hygroscopicity nke titanium dioxide nwere njikọ ụfọdụ na nha nke elu ya.Ebe buru ibu na elu hygroscopicity na-emetụtakwa ọgwụgwọ elu na ihe onwunwe.
7) Nkwụsi ike nke okpomọkụ
Titanium dioxide bụ ihe nwere ezigbo nkwụsi ike nke okpomọkụ.
8) granularity
The urughuru size nkesa nke titanium dioxide bụ keukwu index, nke ukwuu na-emetụta arụmọrụ nke titanium dioxide pigments na ngwaahịa ngwa arụmọrụ.Ya mere, mkparịta ụka nke ikpuchi ike na dispersibility nwere ike ozugbo nyochaa si urughuru size nkesa.
Ihe ndị na-emetụta oke nkesa nke titanium dioxide dị mgbagwoju anya.Nke mbụ bụ nha nke mbụ urughuru size nke hydrolysis.Site n'ịchịkwa ma na-edozi ọnọdụ usoro hydrolysis, nha nha nke mbụ dị n'ime ụfọdụ.Nke abụọ bụ calcination okpomọkụ.N'oge calcination nke metatitanic acid, ụmụ irighiri ahụ na-enweta oge mgbanwe kristal na oge uto, a na-achịkwa ọnọdụ okpomọkụ kwesịrị ekwesị iji mee ka ihe ọkụkụ na-eto eto n'ime oke.Nzọụkwụ ikpeazụ bụ nsị nke ngwaahịa ahụ.Ọtụtụ mgbe, a na-eji ngbanwe nke igwe igwe Raymond na ngbanwe nke ọsọ nke nyocha iji chịkwaa àgwà pulverization.N'otu oge ahụ, a pụrụ iji ihe ndị ọzọ na-akpụ akpụ, dị ka: elu-ọsọ pulverizer, jet pulverizer na hama igwe.
Oge nzipu: Jul-28-2023