Alumina phofo ke thepa e ka sehloohong e tala ea alumina grit e tšoeu e kopantsoeng le li-abrasives tse ling, tse nang le litšobotsi tsa ho hanyetsa mocheso o phahameng, ho hanyetsa kutu le thepa e tsitsitseng. Nano-alumina XZ-LY101 ke mokelikeli o se nang mebala le o bonaletsang, o sebelisoang haholo e le li-additives ka li-resin tse sa tšoaneng tsa acrylic, li-polyurethane resin, li-epoxy resin, joalo-joalo, e ka boela ea e-ba motsoako o entsoeng ka metsi kapa o nang le oli, 'me o ka koaheloa holim'a lisebelisoa tsa ho roala khalase, majoe a majoe, lisebelisoa tsa lisebelisoa tse nepahetseng, joalo-joalo; le mefuta e fapaneng ea phofo ea alumina e na le ts'ebeliso e fapaneng. Se latelang se tsepamisitse maikutlo ho hlahiseng tšebeliso ea phofo ea α, γ, le β-mofuta oa alumina.
1.α-alumina phofo
Letlapeng la phofo ea alumina ea mofuta oa α, li-ion tsa oksijene li tletse haufi-ufi ka sebōpeho sa hexagonal, Al3+ e arolelitsoe ka mokhoa o ts'oanang setsing sa ho hokahanya ha octahedral se pota-potiloeng ke li-ion tsa oksijene, 'me matla a matla a maholo haholo, kahoo ntlha ea ho qhibiliha le ntlha e belang e phahame haholo. α-mofuta oxidation Aluminium ha e qhibilihe ka metsing le asiti. E boetse e bitsoa aluminium oxide indastering. Ke thepa ea motheo e tala bakeng sa ho etsa aluminium ea tšepe; e boetse e sebelisetsoa ho etsa litene tse sa tšoaneng tsa refractory, li-crucibles refractory, liphaephe tse refractory, le lisebelisoa tsa liteko tsa mocheso o phahameng; e ka boela ea sebelisoa e le abrasive, flame retardant High-purity alpha alumina hape ke thepa e tala bakeng sa tlhahiso ea corundum ea maiketsetso, ruby ea maiketsetso le safire; e boetse e sebelisoa ho hlahisa substrate ea lipotoloho tse kholo tsa sejoale-joale tse kopaneng.
2. γ-alumina phofo
γ-mofuta oa alumina ke aluminium hydroxide ho 140-150 ℃ sistimi ea ho felloa ke metsi mocheso o tlase, indasteri e boetse e bitsoa aluminium e sebetsang, sekhomaretsi sa aluminium. Sebopeho sa khakanyo ea ion ea oksijene bakeng sa lehlakore le otlolohileng la setsi se haufi-ufi, Al3 + e ajoa ka mokhoa o sa tloaelehang ka ion ea oksijene e pota-potiloeng ke likheo tsa octahedral le tetrahedral. γ-mofuta oa alumina o sa qhibiliheng ka metsing, o ka qhibiliha ka asiti e matla kapa tharollo e matla ea alkali, e tla futhumatsoa ho 1200 ℃ kaofela e tla fetoloa ho alumina ea mofuta oa α. γ-mofuta oa alumina ke thepa e nang le porous, sebaka se ka hare sa gram e 'ngoe le e' ngoe ho fihlela ho makholo a lisekoere-mithara, bokhoni bo phahameng ba adsorption. Hangata sehlahisoa sa indasteri ke karoloana e se nang 'mala kapa e pinki e nyenyane ea cylindrical e nang le khatello e ntle ea khatello. Ka indasteri ea ho hloekisa petroleum le petrochemicals hangata e sebelisoa e le adsorbent, catalyst and catalyst carrier; indastering ke oli ea transformer, turbine oil deacidification agent, e boetse e sebelisetsoa ho hlahloba lera la mebala; ka laboratoring ke desiccant e matla e sa nke lehlakore, matla a eona a ho omisa ha a ka tlaase ho phosphorus pentoxide, ka mor'a ho sebelisoa ho 175 ℃ ho futhumatsa 6-8h e latelang e ka boela ea tsosolosoa le ho sebelisoa hape.
3.β-alumina phofo
β-mofuta oa alumina phofo e ka boela ea bitsoa phofo ea alumina e sebetsang. Alumina phofo e kentsoeng e na le matla a phahameng a mochine, hygroscopicity e matla, ha e ruruhe kapa ha e phunye ka mor'a ho monya metsi, a se nang chefo, a sa nkhang hamonate, a sa qhibilihe ka metsing le ethanol, a na le adsorption e matla bakeng sa fluorine, haholo-holo e sebelisetsoang ho tlosa fluoride ea metsi a nooang libakeng tse phahameng tsa fluorine.
Alumina e kentsoeng e na le bokhoni ba ho khetha metsi ho tsoa likhase, mouoane oa metsi le lino tse itseng. Kamora ho tlala ha adsorption, e ka tsosolosoa ka ho tlosa metsi ka ho futhumatsa hoo e ka bang. 175-315°C. Adsorption le tsoseletso li ka etsoa ka makhetlo a 'maloa. Ntle le ho sebelisoa e le desiccant, e ka boela ea adsorb mouoane o tsoang ho oksijene e silafetseng, hydrogen, carbon dioxide, khase ea tlhaho joalo-joalo ea oli e tlotsang. E boetse e sebelisoa e le sesebelisoa sa catalyst le catalyst carrier hape e le sejana sa tlhahlobo ea mebala.