I-alumina powder iyisisetshenziswa esiyinhloko se-alumina grit emhlophe exutshwe nezinye izinto ezihuquzelayo, ezinezici zokumelana nokushisa okuphezulu, ukumelana nokugqwala kanye nezakhiwo ezizinzile. I-Nano-alumina XZ-LY101 iwuketshezi olungenambala futhi olusobala, olusetshenziswa kabanzi njengezithasiselo kuma-resin ahlukahlukene e-acrylic, ama-polyurethane resins, ama-epoxy resins, njll. Kungase futhi kube yi-solvent esekelwe emanzini noma esekelwe ngamafutha, futhi ingambozwa ezintweni zokumboza ingilazi, amatshe ayigugu, izinto zokunemba zensimbi, njll. futhi izinhlobo ezahlukene ze-alumina powder zinokusetshenziswa okuhlukile. Okulandelayo kugxile ekwethuleni ukusetshenziswa kwe-α, γ, kanye ne-β-uhlobo lwe-alumina powder.
1.α-alumina powder
Kulathini we-alpha-type alumina powder, ama-ion omoya-mpilo apakishwe eduze ngendlela eyi-hexagonal, i-Al3+ isatshalaliswa ngokulinganayo esikhungweni se-octahedral coordination esizungezwe ama-ion oksijini, futhi amandla e-lattice makhulu kakhulu, ngakho-ke indawo yokuncibilika nephuzu lokubila liphezulu kakhulu. I-α-type oxidation I-Aluminium ayincibiliki emanzini ne-asidi. Ibizwa nangokuthi i-aluminium oxide embonini. Yimpahla eyisisekelo esetshenziswayo yokwenza i-aluminium yensimbi; iphinde isetshenziselwe ukwenza izitini ezihlukahlukene eziphikisayo, izinsimbi eziphikisayo, amapayipi aphikisayo, nezinsimbi zokuhlola izinga lokushisa eliphezulu; ingasetshenziswa futhi njenge-abrasive, i-flame retardant High-purity alpha alumina iphinde ibe impahla eluhlaza ekukhiqizeni i-corundum yokwenziwa, i-ruby yokwenziwa nesafire; iphinde isetshenziselwe ukukhiqiza i-substrate yamasekethe ahlanganisiwe amakhulu wesimanje.
2. γ-alumina powder
I-γ-uhlobo lwe-alumina i-aluminium hydroxide ku-140-150 ℃ uhlelo lokuqeda izinga lokushisa eliphansi kwemvelo, imboni ibizwa nangokuthi i-alumina esebenzayo, i-aluminium glue. Isakhiwo se-ion ye-oxygen eseduze yohlangothi olume mpo lwesikhungo sipakishwe eduze, i-Al3 + isatshalaliswa ngendlela engavamile ku-ion yomoya-mpilo ezungezwe izikhala ze-octahedral kanye ne-tetrahedral. γ-uhlobo lwe-alumina olungancibiliki emanzini, lungancibilika ku-asidi eqinile noma isixazululo esiqinile se-alkali, izoshiswa ibe ngu-1200 ℃ yonke izoguqulelwa ku-α-uhlobo lwe-alumina. I-γ-uhlobo lwe-alumina luyi-porous material, indawo yangaphakathi yegremu ngayinye ifinyelela emakhulwini amamitha-skwele, umthamo ophezulu wokukhangisa. Umkhiqizo wezimboni uvame ukuba yizinhlayiyana eziyisilinda ezingenambala noma ezibomvana kancane ezinokumelana nokucindezela okuhle. Embonini yokucwenga i-petroleum kanye ne-petrochemical ivame ukusetshenziswa njenge-adsorbent, i-catalyst kanye ne-catalyst carrier; embonini uwoyela we-transformer, i-ejenti ye-turbine oil deacidification, esetshenziselwa ukuhlaziya ungqimba lombala; elabhorethri kukhona i-desiccant eqinile engathathi hlangothi, amandla ayo okomisa awekho ngaphansi kwe-phosphorus pentoxide, ngemva kokusetshenziswa kokulandelayo 175 ℃ ukushisa 6-8h kungabuye kuvuselelwe futhi kusetshenziswe kabusha.
3.β-alumina powder
I-β-type alumina powder nayo ingabizwa ngokuthi i-alumina powder esebenzayo. Impushana ye-alumina ecushiwe inamandla amakhulu emishini, i-hygroscopicity eqinile, ayivuvukali noma iqhekeke ngemva kokumunca amanzi, angenabuthi, angenaphunga, ayincibiliki emanzini ne-ethanol, ine-adsorption eqinile ye-fluorine, esetshenziselwa kakhulu ukukhishwa kwe-fluoride emanzini okuphuza ezindaweni eziphakeme ze-fluorine.
I-alumina ecushiwe inekhono lokukhetha amanzi aphuma kumagesi, umhwamuko noketshezi oluthile. Ngemuva kokugcwala kwe-adsorption, ingavuselelwa ngokukhipha amanzi ngokushisisa cishe. 175-315°C. I-Adsorption nokuvuselela kungenziwa izikhathi eziningana. Ngaphezu kokusetshenziswa njenge-desiccant, ingaphinda ifake umhwamuko ovela ku-oxygen engcolile, i-hydrogen, i-carbon dioxide, igesi yemvelo njll. yamafutha okugcoba. Ibuye isetshenziswe njengesithwali se-catalyst kanye ne-catalyst futhi njengesithwali sokuhlaziya ungqimba lombala.