Nanotechnology na Nanomoneals: Nanometero Titomium Dioxyde muri Izuba ryizuba

Nanotechnology na Nanomoneals: Nanometero Titomium Dioxyde muri Izuba ryizuba

Amagambo

Hafi ya 5% yimirasire yashyizwe ku zuba ifite imirasire ya ultraviolet ifite uburebure ≤400 Nm. Ultraviolet imirasire yizuba irashobora kugabanywamo, umubyimba muremure ultraviolet ya 320 nm ~ 400 nm, yitwa ubwoko bwa ultraviolet (UVA); Hagati ya ultraviolet ya ultraviolet hamwe nuburebure bwa 290 nm kugeza 320 byitwa b-ubwoko bwa ultraviolet.

Bitewe nuburebure buke ningufu ndende, imirasire ya ultraviolet ifite imbaraga zikomeye zisenya, zishobora kwangiza uruhu rwabantu, bigatera indwara yatwitse cyangwa izuba, kandi bitanga kanseri yuruhu. UVB nicyo kintu nyamukuru gitera gutwika uruhu n'izuba.

1. Ihame ryo gukingira imirangire ya Ultraviolet hamwe na Nano Tio2

Tio _ 2 ni n-ubwoko semiconductor. Ifishi ya kirisiti ya Nano-tio _ 2 ikoreshwa mumashanyarazi yizuba muri rusange ni 3.0 eldron irract ihuza imikorere yo gukuramo uv imirasire. Hamwe nubunini buto hamwe nibice byinshi, ibi byongera cyane amahirwe yo guhagarika cyangwa guhagarika imirase ya ultraviolet.

2. Ibiranga Nano-tio2 muri Izuba ryizuba

2.1

UV yo hejuru uv imikorere

Ultraviolet ifite ubushobozi bwo kwisiga byizuba bigaragazwa nimpumuro yo kurengera izuba (agaciro ka SPF), hamwe nisoko rya SPF, ingaruka nziza yizuba. Ikigereranyo cyingufu zisabwa kugirango umusaruro utoroshye woroshye ku ruhu rwatinyutse hamwe nibicuruzwa byizuba bisabwa kugirango ubyare erythema yurwego rumwe kuruhu rudafite ibicuruzwa byizuba.

Nkuko Nano-tio2 akurura kandi asakuza ultraviolet yimisoro, ifatwa nkizuba ryizuba ryizuba murugo no mumahanga. Muri rusange, ubushobozi bwa Nano-tio2 kuri Shield UVB ni inshuro 3-4 za Nano-Zno.

2.2

Ingano nziza

Ubushobozi bwa ultraviolet bukingira bwa Nano-tio2 bugenwa nubushobozi bwayo bushingiye hamwe nubushobozi bwo gusata. Ingano ntoya yumwimerere ya Nano-tio2, imbaraga zidasanzwe mubushobozi bwo kwinjiza ultraviolet. Nk'uko amategeko ya Rayleigh akwirakwiza, hari ubunini bwumwimerere bwo gutanyagura ntarengwa ya Nano-tio2 kugeza ultraviolet yicara hamwe nuburebure butandukanye. Ubushakashatsi bwerekana kandi ko igihe kirekire cyumuyaga wa ultraviolet, ubushobozi bwikingira na Nano-tio 2 biterwa nibindi byinshi byo gusatanya; Kugabanya uburebure bwamabuye, niko ingabo yayo biterwa nubushobozi bwo kwinjiza.

2.3

Ntabwo ari byiza bidashoboka kandi mu mucyo

Ingano yumwimerere ya Nano-tio2 iri munsi ya 100, itarenze kure uburebure bwumucyo ugaragara. Ubuntu, Nano-tio2 irashobora kohereza urumuri rugaragara iyo itatanye rwose, niko mucyo. Kubera umucyo wa Nano-tio2, ntabwo izapfukirana uruhu mugihe wongeyeho kwisiga byizuba. Kubwibyo, irashobora kwerekana uruhu karemano.Transparency ni kamwe murwego rwingenzi rwa Nano-tio2 mumashyamba yizuba. Mubyukuri, Nano-tio 2 irasobanutse ariko ntabwo isobanutse neza yo kwisiga yizuba, kuko nano-tio2 ingufu nyinshi kandi bikaba bigira ingaruka kumasogisi, bityo bikaba bigira ingaruka kumasogisi, bityo bikaba bigira ingaruka kumasogisi, bityo bikaba bigira ingaruka kumasot, bityo bikaba bigira ingaruka kumasogisi, bityo bikaba bigira ingaruka kumasogisi, bityo bikaba bigira ingaruka ku giteranyo, bityo bikaba bigira ingaruka ku buryo butagaragara, bityo bikagira ingaruka ku buryo butagaragara no gukorera mu muco.

2.4

Kurwanya ibihe byiza

Nano-tio 2 kuri koroke yizuba bisaba kurwanya ibihe bimwe (cyane cyane kurwanya urumuri). Kuberako Nano-Tio2 ifite uduce duto nigikorwa kinini, bizabyara electron-hole ebyiri nyuma yo kwimuka hejuru, hamwe na hydroxyl ogisijeni ya atomic kubora ibirungo. Kubwibyo, kimwe cyangwa byinshi byo kwigunga kwa silica, nka silica, alumina na zirconia, bigomba guhishwa hejuru ya Nano-tio2 kugirango bibuze ibikorwa byayo.

3. Ubwoko bw'inzobere n'iterambere inzira ya Nano-Tio2

3.1

Ifu ya Nano-tio2

Ibicuruzwa bya Nano-tio2 bigurishwa muburyo bw'ifu ikomeye, ishobora kugabanywamo ifu ya hydrophilique hamwe n'ifu ya lipophilic ukurikije imiterere ya Nano-Tio2. Ifu ya hydrophilic ikoreshwa mumavuta ashingiye kumazi, mugihe ifu ya lipophilic ikoreshwa mumavuta ashingiye kuri peteroli. Ifu ya hydrophilic isanzwe iboneka mubuvuzi bwa MORMARINC.Urubuga rwa Nano-tio2 cyahindutse hejuru yubutaka bwihariye ukurikije ibyatsi byabo.

3.2

Ibara ryuruhu nano tio2

Kuberako ibice bya Nano2 nibyiza kandi byoroshye gutatanya ubururu nuburebure buciriritse mumitara igaragara, iyo wongeyeho kwisiga bigaragara, iyo wongeyeho kwisiga bigaragara, mugihe wongeyeho kwisiga bigaragara, mugihe wongeyeho kwisiga bitagaragara, mugihe wongeyeho kwisiga bitagaragara, mugihe wongeyeho kwisiga bigaragara, mugihe wongeyeho kwisiga bitagaragara, mugihe wongeyeho kwisiga byizuba, mugihe wongeyeho kwisiga byizuba, uruhu ruzerekana ijwi ryubururu kandi ugaragare nabi. Kugirango uhuze ibara ryuruhu, pigment itukura nka okiside yicyuma akenshi yongeweho kwisiga murwego rwo hambere. Ariko, kubera itandukaniro ryubucucike nubushyuhe hagati ya Nano-tio2 _ 2 na fer okiside yicyuma, amabara areremba akenshi bibaho.

4. Imiterere ya Nano-Tio2 mubushinwa

Ubushakashatsi buke kuri Nano-Tio2 _ 2 mu Bushinwa bukora cyane, kandi urwego rw'ubushakashatsi rugeze rusubira inyuma, ariko ubushakashatsi bukoreshwa n'ubushakashatsi ndetse n'ubushakashatsi mu gihe cy'ubushakashatsi ntibushobora guhinduka ibicuruzwa by'inganda. Umusaruro w'inganda wa Nano-Tio2 mu Bushinwa watangiye mu 1997, nyuma yimyaka irenga 10 kurusha Ubuyapani.

Hariho impamvu zibiri zigabanya ubuziranenge nubucuruzi bwibicuruzwa bya Nano-tio2 mubushinwa:

Ubushakashatsi bujyanye nubushakashatsi bukoreshwa inyuma

Ubushakashatsi bwikoranabuhanga bwo gusaba bukeneye gukemura ibibazo byo kongeramo inzira n'ingaruka ya Nano-tio2 muri sisitemu ihuriweho. Ubushakashatsi bwo gusaba Nano-Tio2 mu mirima myinshi ntabwo byatejwe imbere neza, n'ubushakashatsi bwo kwisiga bimwe na bimwe, ibicuruzwa by'izuba bidashoboka.

② Ikoranabuhanga ryo kuvura hejuru ya Nano-tio2 rikeneye ubundi bushakashatsi

Ubuvuzi bwo hejuru burimo kuvura hejuru no kuvura hejuru yububiko. Ikoranabuhanga ryo kuvura hejuru rigizwe nubuvuzi bwubuvuzi, Ikoranabuhanga ryo kuvura hejuru nibikoresho byo kuvura hejuru.

5. Soma ijambo

Transparency, ultraviolet yo gukingira imikorere, kudahatanya no kurwanya urumuri na Nano-tio2 muri synthesike yo kwisiga, kandi uburyo bwa synthesis hamwe nuburyo bwo kuvura bundi bushya bwa Nano-tio2 nurufunguzo rwo kumenya ibipimo bya tekinike.