Nkọwapụta:
Koodu | M602, M606 |
Aha | Silica/Silicon dioxide/silicon oxide nanoparticles |
Usoro | SiO2 |
CAS Mba. | 60676-86-0 |
Nha urughuru | 20nm |
Ịdị ọcha | 99.8% |
Ọdịdị | ọcha ntụ ntụ |
MOQ | 10kg/25kg |
ngwugwu | 10kg/25kg/30kg |
Ngwa nwere ike ime | Mkpuchi, agba, ihe na-akpali akpali, antibacterial, mmanu mmanu, roba, ihe nkedo, wdg. |
Nkọwa:
1. N'ihi na ya obere size, SiO2 nanopowder nwere ike n'ụzọ dị irè jupụta micro-cracks na pores kpụrụ site shrinkage mpaghara n'oge usoro ọgwụgwọ nke epoxy resin, belata mgbasa ụzọ nke corrosive media, na welie ọta na-echebe arụmọrụ nke mkpuchi;
2. N'ihi na ya elu ekweghị ekwe, silica nanoparticle enwekwu ike nke epoxy resin, si otú eme ka n'ibu Njirimara.
Na mgbakwunye, ịgbakwunye ihe kwesịrị ekwesị nke nano silicon oxide particles nwekwara ike ime ka ike njikọ interface nke mkpuchi epoxy gbasaa ma gbasaa ndụ ọrụ nke mkpuchi ahụ.
Nano silica bụ ihe inorganic na-abụghị ọla nwere oke okpomọkụ na nguzogide oxidation.Ọnọdụ molekụla ya bụ usoro netwọkụ nwere akụkụ atọ nwere [SiO4] tetrahedron dị ka ngalaba nhazi ntọala.N'ime ha, ikuku oxygen na silicon atom na-ejikọta ya kpọmkwem site na njikọ covalent, na usoro ahụ siri ike, ya mere ọ nwere ihe ndị na-edozi ahụ, ezigbo okpomọkụ na ihu igwe, wdg.
Nano silicon dioxide na-arụkarị ọrụ nke mgbochi corrosion filler na mkpuchi epoxy.N'otu aka ahụ, nano SiO2 nwere ike mejupụta micro-cracks na pores nke a na-emepụta na usoro ọgwụgwọ nke resin epoxy, ma melite nguzogide penetration;N'aka nke ọzọ, ndị na-arụ ọrụ dị iche iche nke nano silica na epoxy resin nwere ike na-etolite anụ ahụ / kemịkal cross-njikọ ihe site adsorption ma ọ bụ mmeghachi omume, na-ewebata Si-O-Si na Si-O-C agbụ n'ime molekụla yinye na-etolite atọ. - akụkụ netwọk Ọdịdị ka mma mkpuchi adhesion.Tụkwasị na nke ahụ, isi ike dị elu nke nano SiO2 nwere ike ime ka nkwụsị nke mkpuchi mkpuchi dịkwuo elu, si otú ahụ na-agbatị ndụ ọrụ nke mkpuchi ahụ.
Ọnọdụ Nchekwa:
SiO2 nanoparticles nano silica ntụ ntụ kwesịrị ka echekwara nke ọma na ebe akọrọ na jụụ.