Ntụ Alumina bụ isi ihe e ji eme ihe na-acha ọcha alumina grit na ihe ndị ọzọ na-emebi ihe, nke nwere njirimara nke iguzogide okpomọkụ dị elu, iguzogide nchara na ihe ndị na-adịgide adịgide. Nano-alumina XZ-LY101 bụ mmiri mmiri na-enweghị agba na nke na-apụta ìhè, nke a na-ejikarị eme ihe dị ka ihe mgbakwunye na resin acrylic dị iche iche, resin polyurethane, resin epoxy, wdg. Ọ nwekwara ike ịbụ ihe mgbaze dabere na mmiri ma ọ bụ mmanụ, a pụkwara iji ya kpuchie ya na ihe mkpuchi iko, nkume dị oké ọnụ ahịa, ihe eji arụ ọrụ kpọmkwem, wdg; ụdị ntụ alumina dị iche iche nwere ojiji dị iche iche. Ihe ndị a na-elekwasị anya n'itinye ntụ alumina ụdị α, γ, na β.
1.α-alumina ntụ ntụ
N'ime oghere nke ntụ alumina ụdị α, ion oxygen dị n'ime ya juputara n'ụdị hexagonal, Al3+ na-ekesa n'ụzọ ziri ezi n'etiti etiti nhazi octahedral nke ion oxygen gbara gburugburu, ike lattice dịkwa oke ukwuu, yabụ ebe agbaze na ebe esi mmiri dị elu nke ukwuu. Oxidation ụdị α Aluminum anaghị agbaze na mmiri na acid. A na-akpọkwa ya aluminum oxide n'ime ụlọ ọrụ ahụ. Ọ bụ ihe bụ isi eji eme aluminum ígwè; a na-ejikwa ya eme brik dị iche iche na-adịghị agbaze, ihe mkpuchi na-adịghị agbaze, ọkpọkọ na-adịghị agbaze, na ngwa nnwale okpomọkụ dị elu; enwere ike iji ya dị ka ihe na-emebi emebi, ihe na-egbochi ire ọkụ. Alfa alumina dị ọcha nke ukwuu bụkwa ihe eji eme ihe maka mmepụta nke corundum artificial, ruby na sapphire artificial; a na-ejikwa ya emepụta ihe ndabere nke sekit agbakwunyere nke oge a.
2. Ntụ ntụ γ-alumina
Alumina ụdị γ bụ aluminum hydroxide na sistemụ mmiri mmiri dị ala nke 140-150 ℃, a na-akpọkwa ụlọ ọrụ alumina na-arụ ọrụ, gluu aluminom. Nhazi nke ihe dị ka ion oxygen maka akụkụ kwụ ọtọ nke etiti ahụ nke ọma, Al3 + na-ekesa n'ụzọ na-adịghị mma na ion oxygen nke nwere oghere octahedral na tetrahedral gbara gburugburu. Alumina ụdị γ nke anaghị agbaze na mmiri, enwere ike ịgbaze na acid siri ike ma ọ bụ ngwọta alkali siri ike, a ga-ekpo ọkụ ya ruo 1200 ℃ niile ga-agbanwe ka ọ bụrụ alumina ụdị α. Alumina ụdị γ bụ ihe nwere oghere, mpaghara dị n'ime nke gram ọ bụla ruo ọtụtụ narị square mita, ikike nnabata dị elu. Ngwaahịa ụlọ ọrụ na-abụkarị ihe na-enweghị agba ma ọ bụ obere pink dị ka ihe na-eguzogide nrụgide dị mma. Na ụlọ ọrụ nchacha mmanụ na petrochemical, a na-ejikarị ya eme ihe dị ka ihe na-adọrọ adọrọ, ihe na-akpali akpali na ihe na-akpali akpali; na ụlọ ọrụ bụ mmanụ transformer, ihe na-eme ka acidity ghara ịdị na turbine, a na-ejikwa ya maka nyocha agba; N'ime ụlọ nyocha ahụ, e nwere ihe na-ekpo ọkụ siri ike nke na-anọpụ iche, ikike ịkpọ nkụ ya adịghị ala karịa phosphorus pentoxide, mgbe ejiri ya n'ime okpomọkụ 175 ℃ na-esote, enwere ike ịmegharị ya ma jiri ya mee ihe ọzọ.
3.β-alumina ntụ ntụ
A pụkwara ịkpọ ntụ ntụ alumina nke ụdị β. Ntụ ntụ alumina a na-arụ ọrụ nwere ike dị elu, hygroscopicity siri ike, anaghị aza ma ọ bụ gbawaa mgbe ọ mịchara mmiri, ọ naghị egbu egbu, ọ naghị esi isi, ọ naghị agbaze na mmiri na ethanol, ọ na-enwe mmịpụta siri ike maka fluorine, nke a na-ejikarị eme ihe maka iwepụ mmiri ọṅụṅụ na mpaghara fluorine dị elu.
Alumina a na-arụ ọrụ nwere ike ịmịkọrọ mmiri site na gas, uzu mmiri na ụfọdụ mmiri mmiri. Mgbe a gbasasịrị mmiri, enwere ike ime ka ọ dịghachi ndụ site na iwepụ mmiri site na ikpo ọkụ na ihe dị ka 175-315°C. Enwere ike ime mmịpụta na mmụgharị ọtụtụ ugboro. Na mgbakwunye na iji ya dị ka ihe na-ekpo ọkụ, ọ nwekwara ike ịmịpụta uzu sitere na oxygen ruru unyi, hydrogen, carbon dioxide, gas eke wdg. nke mmanụ na-eme ka mmanụ dị nro. A na-ejikwa ya dị ka ihe na-akpali akpali na ihe na-akpali akpali yana dị ka ihe na-ebu maka nyocha agba.