Fa'aogaina ole nano cerium oxide ile polymer
O le Nano-ceria e faʻaleleia ai le ultraviolet aging resistance o le polymer.
O le fausaga eletise 4f o le nano-CeO2 e matua maaleale lava i le faʻaogaina o le malamalama, ma o le fusi faʻapipiʻi e tele lava i le itulagi o le ultraviolet (200-400nm), lea e leai se uiga faʻaogaina i le malamalama vaaia ma le felauaiga lelei. O le ultramicro CeO2 masani na faʻaaogaina mo le faʻaogaina o le ultraviolet ua uma ona faʻaaogaina i totonu o le fale tioata: CeO2 ultramicro paʻu ma le lapopoʻa itiiti ifo i le 100nm e sili atu le lelei o le ultraviolet absorption gafatia ma le puipuiga, E mafai ona faʻaaogaina i le fiber sunscreen, tioata taavale, vali, mea teuteu, ata tifaga, palasitika ma ie, ma isi. E mafai ona faʻaaogaina i fafo faʻaalia oloa e faʻaleleia ai le tau, aemaise lava i oloa e maualuga le manino e manaʻomia e pei o palasitika manino ma varnishes.
O le Nano-cerium oxide e faʻaleleia ai le faʻamautuina o le vevela o le polymer.
Ona o le fausaga faʻapitoa faʻaeletoroni i fafo o oxides eleele e le masani ai, o oxides eleele e le masani ai e pei o le CeO2 o le a aʻafia lelei ai le faʻamautuina o le vevela o le tele o polymers, e pei o le PP, PI, Ps, nylon 6, epoxy resin ma le SBR, lea e mafai ona faʻaleleia e ala i le faʻaopopoina. fa'atasiga eleele e seasea. Peng Yalan et al. maua pe a suʻesuʻeina le aafiaga o le nano-CeO2 i luga o le mautu vevela o methyl ethyl silicone pa'u (MVQ), Nano-CeO2 _ 2 mafai ona manino faaleleia le vevela ea matua tetee o MVQ vulcanizate. Afai ole fua ole nano-CeO2 ole 2 phr, o isi mea totino ole MVQ vulcanizate e itiiti se aafiaga ile ZUi, ae o lona vevela vevela ZUI e lelei.
O le Nano-cerium oxide e faʻaleleia ai le amio o le polymer
O le faʻaofiina o le nano-CeO2 i polymers conductive e mafai ona faʻaleleia ai nisi o meatotino o mea faʻapipiʻi, lea e iai le aoga aoga i pisinisi faʻaeletoroni. Conductive polymers e tele ona fa'aoga i masini fa'aeletoroni eseese, e pei o ma'a toe fa'aaogaina, masini kemisi ma isi. O le Polyaniline o se tasi lea o polymers conductive ma le tele o taimi o le faʻaaogaina. Ina ia faʻaleleia lona tino ma le eletise, e pei o le eletise eletise, mea faʻamageta ma photoelectronics, polyaniline e masani ona faʻapipiʻiina ma vaega inorganic e fausia ai nanocomposites. Na saunia e Liu F ma isi se faasologa o polyaniline/nano-CeO2 composites e eseese molar ratios e ala ile in-situ polymerization ma doping hydrochloric acid. Chuang FY et al. saunia polyaniline / CeO2 nano-composite particles ma le fausaga o atigi autu, Na maua ai o le conductivity o vaega tuʻufaʻatasia faateleina i le faateleina o le fua faatatau molar polyaniline / CeO2, ma le tikeri o le protonation na oʻo atu i le 48.52%. Nano-CeO2 e fesoasoani foi i isi polymers conductive. CeO2 / polypyrrole composites saunia e Galembeck A ma AlvesO L o loʻo faʻaaogaina e avea ma mea faʻaeletoroni, ma Vijayakumar G ma isi doped CeO2 nano i vinylidene fluoride-hexafluoropropylene copolymer.O mea eletise eletise lithium ion ma sili atu le lelei o le conductivity ua saunia.
Fa'ailoga fa'apitoa ole nano cerium oxide
| fa'ata'ita'iga | VK -Ce01 | VK-Ce02 | VK-Ce03 | VK-Ce04 |
| CeO2/REO >% | 99.99 | 99.99 | 99.99 | 99.99 |
| Ole lapopo'a ole fasimea (nm) | 30nm | 50nm | 100nm | 200nm |
| Laueleele fa'apitoa (m2/g) | 30-60 | 20-50 | 10-30 | 5-10 |
| (La2O3/REO）≤ | 0.03 | 0.03 | 0.03 | 0.03 |
| (Pr6O11/REO) ≤ | 0.04 | 0.04 | 0.04 | 0.04 |
| Fe2O3 ≤ | 0.01 | 0.01 | 0.01 | 0.01 |
| SiO2 ≤ | 0.02 | 0.02 | 0.02 | 0.02 |
| CaO ≤ | 0.01 | 0.01 | 0.01 | 0.01 |
| Al2O3 ≤ | 0.02 | 0.02 | 0.02 | 0.02 |
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Taimi meli: Mati-09-2022