Nkọwapụta:
Koodu | T681 |
Aha | Titanium Oxide Nanopowders |
Usoro | TiO2 |
Nha urughuru | 10nm |
Ịdị ọcha | 99% |
Ọdịdị | ọcha |
ngwugwu | 1kg/akpa n'ime akpa mgbochi static okpukpu abụọ, 25kg na drum |
Ụdị | Antase TiO2 |
Nkọwa:
Nano-titanium dioxide na-emebi nje bacteria iji nweta mmetụta antibacterial n'okpuru ọrụ nke photocatalytic. N'ihi na usoro eletrọnịkị nke nano-titanium dioxide bụ mpaghara ọnụahịa juputara na TIO2 na mpaghara nduzi efu. Na usoro mmiri na ikuku, nano-titanium dioxide dị n'okpuru anyanwụ, karịsịa n'okpuru ụzarị ultraviolet. Mgbe ike eletrọnịkị ruru ma ọ bụ gafere oghere gbalaga ya Oge. Enwere ike ịkpali ngwa elektrọnik site na mpaghara ọnụahịa ruo mpaghara ntuziaka. A usoro nke mmeghachi omume na-eme, nke a na-adsorbed na etisasịwo na oxygen weghara electrons na-etolite O2 ·. A na-emepụta radicals free supersonic anion site na ọtụtụ mmeghachi omume organic (oxidation). N'otu oge ahụ, CO2 na H2O nwere ike ịmepụta ihe ndị na-emepụta ihe na nje bacteria; mgbe acupoints ga-etinye obi gị dum na OH na H2O oxidation nke OH na H2O n'elu TIO2 elu ka · OH, · OH, nke ga-enwe ike oxidation ike. Atọm na-emepụta radicals n'efu ọhụrụ, na-akpali mmeghachi omume agbụ, ma mechaa na-ebute ire ere.
Mmetụta sterilization nke TIO2 dabere na nha nha ya. Ọ bụ ezie na titanium pink ntụ ntụ (nke nkịtị TiO2) nwekwara mmetụta photocatalytic, ọ nwekwara ike ịmepụta ngwá electronic na oghere. Ọ na-esiri ike ịme mmetụta nke mmetụta antibacterial, na TiO2, nke ruru ogo nke nano-level decentralization, esiwo n'anụ ahụ gaa n'elu. Ọ bụrụhaala na oge nanoseconds, picoseconds, na ọbụna femllo, ihe mejupụtara elektrọnịkị fotochemical na cavities na-ebuli elu na nanoseconds. Ọ nwere ike ịkwaga ngwa ngwa n'elu. Na-awakpo nje bacteria ma na-egwu mmetụta antibacterial kwekọrọ.
A na-eji TiO2 eme ihe n'ọtụtụ ebe na akwa akwa dị ka ụdị ọhụrụ nke nje antibacterial inorganic
Ihe nano-level TIO2 nwere ihe ndị na-egbu egbu siri ike n'okpuru ìhè, na mmụba nke ntachi obi na oge ọkụ, ọnụ ọgụgụ nke nje bacteria na-abawanye, na mmetụta antibacterial na-ewusi ike nke ukwuu. Ọ ga-ekwe omume ịgwọ nano -TiO2 n'elu ákwà ahụ na usoro ntinye mmiri, na ákwà a na-edozi ahụ nwere nje bacteria doro anya, ma ọ dị mkpa ka a na-agbakwunye nrapado na onye na-ekesa iji meziwanye njikọ nke TIO2 na akwa ákwà. Mgbe agbakwunyere adhesives na ndị na-achụsa ihe, nje bacteria nke ákwà ahụ nwere ezigbo mmiri na-eguzogide mmiri.
Uru nke nano-titanium dioxide antibacterial: nchekwa na-adịghị egbu egbu maka ahụ mmadụ, enweghị mgbakasị ahụ na akpụkpọ ahụ; ike antibacterial siri ike, ọtụtụ ụdị nje bacteria; enweghị isi,; ogologo mmiri na-eguzogide, ogologo oge nchekwa; ezigbo nkwụsi ike nke okpomọkụ, agba na-adịghị agbanwe agbanwe na okpomọkụ dị elu, ọ dịghị ire ere, n'agbanyeghị ire ere, n'agbanyeghị ire ere. Adịla volatilize, emela ka njọ; ezigbo instantability.
Ọnọdụ Nchekwa:
Ekwesịrị ịchekwa TiO2 nanopowders na mkpuchi, zere ìhè, ebe akọrọ. Nchekwa okpomọkụ ụlọ dị mma.
TEM