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1. Lub luag haujlwm ntawm titanium dioxide hauv txheej txheej
Txheej txheej tsuas yog ua los ntawm plaub ntu: cov yeeb yaj kiab-cov tshuaj yeeb yaj kiab, cov tshuaj pleev xim, cov kuab tshuaj thiab cov quav ntxiv. Cov xim muaj nyob hauv txheej txheej muaj qee yam zais zais. Nws tuaj yeem tsis tsuas yog npog cov xim qub ntawm cov khoom coated, tab sis kuj muab cov xim rau cov xim ci. Txheeb xyuas qhov ua kom zoo nkauj ntawm cov teeb pom kev zoo thiab kev ua kom zoo nkauj. Nyob rau tib lub sijhawm, cov xim pleev xim tau sib xyaw ua ke nrog tus neeg sawv cev ua kom zoo thiab lub hauv qab, thiab sib xyaw ua ke, tuaj yeem txhim kho cov neeg kho tshuab zog thiab kev tiv thaiv ntawm cov yeeb yaj kiab txheej txheej, tiv thaiv kom tsis txhob tawg lossis poob, thiab tuaj yeem ua rau tuab ntawm txheej txheej zaj duab xis, tiv thaiv. kev nkag mus ntawm ultraviolet rays lossis ya raws, thiab txhim kho txheej. Cov txheej txheem los tiv thaiv kev laus thiab kav ntev ntawm cov yeeb yaj kiab txuas ntxiv kev pab lub neej ntawm zaj duab xis thiab cov khoom tiv thaiv.
Hauv cov xim, qhov ntau npaum li cas ntawm cov xim dawb tau loj heev, thiab qhov ua tau zoo yuav tsum ua rau lo rau cov xim dawb: ①Zoo dawb; Zoo sib tsoo thiab ntub dej siab; ③ Cov huab cua tsis kam zoo; ④Qhov zoo tshuaj lom neeg ruaj khov; ⑤Small particle qhov loj me me, zais lub zog thiab ploj Cov xim muaj hwj chim loj, opacity zoo thiab ci.
Titanium dioxide yog ib hom xim dawb uas tau siv dav hauv txheej txheej. Nws cov txiaj ntsig tso tawm rau ntau dua 70% ntawm cov inorganic pigments, thiab nws cov khoom noj tau siv rau 95.5% ntawm tag nrho kev noj ntawm cov xim dawb. Tam sim no, kwv yees li 60% ntawm lub ntiaj teb titanium dioxide yog siv los tsim ntau cov tshuaj txheej, tshwj xeeb tshaj yog rutile titanium dioxide, feem ntau yog noj los ntawm kev lag luam txheej. Cov xim pleev xim ua los ntawm titanium dioxide muaj xim xim, zais cia siab zog, muaj zog tinting zog, ntau npaum tsawg, thiab muaj ntau yam. Nws tiv thaiv kev ruaj ntseg ntawm qhov nruab nrab, thiab tuaj yeem txhim kho lub tshuab ua kom lub zog thiab kev nplaum ntawm cov yeeb yaj kiab xim, tiv thaiv kom tsis txhob tawg, thiab tiv thaiv duab tshav. Nws nkag nrog dej thiab ua rau lub neej ntev ntawm cov xim pleev xim. Cov xim txuam ntawm yuav luag txhua cov qauv hauv cov qauv tha xim muaj xim uas cais tawm ntawm titanium dioxide.
Sib txawv ntau hom txheej txheej rau lub hom phiaj sib txawv nyias muaj nyias kev xav txog titanium dioxide. Piv txwv, hmoov txheej txheej yuav tsum tau siv rutile titanium dioxide nrog zoo dispersibility. Anatase titanium dioxide muaj qis zog txiav txim siab zog thiab muaj zog kev ua yeeb yam. Thaum siv rau hauv cov hmoov txheej, txheej zaj duab xis yog nws nquag yellowing. Cov rutile titanium dioxide uas ua los ntawm cov qauv sulfuric acid muaj qhov zoo ntawm tus nqi nruab nrab, zoo dispersion, zais zoo zog thiab xim kom txo zog, thiab yog qhov tsim nyog rau txheej hmoov txheej sab hauv. Ntxiv rau qhov kev faib tawm zoo, zais lub zog thiab xim txo lub zog, titanium dioxide rau cov hmoov txheej sab nraum zoov kuj yuav tsum tau siv cov weatherability zoo. Yog li ntawd, titanium hmoov rau cov hmoov txheej sab nraum zoov feem ntau yog rutile titanium dioxide uas ua los ntawm chlorination.
2. Txheeb xyuas qhov cuam tshuam ntawm lub ntsiab zoo hloov ntawm titanium dioxide ntawm txheej txheej
1 whiteness
Titanium dioxide hmoov yog siv ua cov xim dawb rau txheej ntxiv. Nws txoj kev dawb yog ib qho tseem ceeb heev thiab yog ib qho ntawm qhov tseem ceeb ua tau zoo los ntawm kev tsho tiv no. Qhov tsis zoo ntawm titanium dioxide yuav ncaj qha cuam tshuam rau cov tsos ntawm cov duab lo. Lub hauv paus tseem ceeb cuam tshuam rau qhov tsis zoo ntawm titanium dioxide yog hom thiab cov ntsiab lus ntawm kev ua kom tsis haum, vim tias titanium dioxide txaus siab rau impurities, tshwj xeeb tshaj yog rutile titanium dioxide.
Yog li ntawd, txawm tias ib qho me me ntawm qhov tsis txaus yuav muaj feem cuam tshuam rau qhov tsis zoo ntawm titanium dioxide. Cov nplais ntawm titanium dioxide uas ua los ntawm cov txheej txheem chloride feem ntau zoo dua qhov uas ua los ntawm cov txheej txheem sulfuric acid. Qhov no yog vim tias cov khoom siv raw titanium tetrachloride siv rau hauv kev tsim cov khoom siv titanium dioxide los ntawm cov txheej txheem chloride tau ua kom tiav thiab ua kom huv, thiab nws tus kheej cov ntsiab lus tsis huv yog tsawg dua, thaum cov txheej txheem sulfuric acid siv cov khoom siv raw muaj cov ntsiab lus siab impurity, uas tuaj yeem tsuas muab tshem tawm los ntawm kev ntxuav thiab kev qhia tshuaj.
2 nkaum lub hwj chim
Tus nkaum zog yog thaj tsam ntawm d? Cov khoom coated rau ib square centimeter. Thaum nws tag nrho, cov tib cheeb tsam yog pleev xim rau. Qhov ntau dua qhov zais lub zog ntawm cov titanium dioxide siv, daim nyias nyias txheej xim yuav ua tau, thiab qhov tsawg dua cov xim yuav tsum muaj, qhov nyiaj tsawg dua ntawm cov titanium dioxide xav tau, yog tias lub zog zais ntawm cov titanium dioxide tsawg dua, kom ua tiav qhov kev npog tib yam, cov nqi ntawm titanium dioxide uas yuav tsum tau nce ntxiv, tus nqi tsim khoom yuav nce ntxiv, thiab qhov nce ntawm cov nqi ntawm titanium dioxide yuav ua rau titanium dioxide hauv txheej tsis yooj yim rau kev tawg ua ke, thiab kev sib sau tshwm sim, uas yuav kuj tseem cuam tshuam qhov npog nyhuv ntawm txheej.
3 huab cua tiv
txheej txheej tseev kom muaj huab cua tiv thaiv ntau ntawm titanium dioxide, tshwj xeeb tshaj yog rau cov txheej sab nraud, uas yuav tsum muaj huab cua tiv thaiv lossis huab cua tiv thaiv huab cua. Siv cov titanium dioxide nrog huab cua tsis kam, cov xim txheej yuav muaj teeb meem xws li fading, discoloration, chalking, tawg, thiab tev. Cov qauv siv lead ua ntawm rutile titanium dioxide tseem nruj dua li ntawm anatase titanium dioxide, thiab nws cov haujlwm photochemical yog tsawg. Yog li no, huab cua tsis kam yog ntau dua li ntawm anatase titanium dioxide. Yog li ntawd, cov titanium dioxide siv rau kev ua haujlwm yog qhov ua tiav rutile titanium dioxide. Cov txheej txheem tseem ceeb los txhim kho huab cua tiv thaiv ntawm titanium dioxide yog los ua kev kho cov khoom siv sab hauv, uas yog, txheej txheej ib los yog ntau txheej ntawm cov inorganic oxides lossis hydrated oxides nyob rau saum npoo ntawm titanium dioxide hais.
4 kev tawg
Titanium dioxide yog ultra-nplua hais nrog qhov loj tshwj xeeb thaj chaw thiab lub siab zog. Nws yog qhov yooj yim rau kev sib sau ua ke ntawm cov ntawv me me thiab nws yog qhov nyuaj rau stably disperse hauv txheej txheej. Cov kev faib tawm tsis zoo ntawm titanium dioxide yuav ncaj qha rau nws cov khoom zoo xws li txo cov xim, zais lub zog thiab cov nplaim hluav taws xob hauv cov xim txheej, thiab tseem cuam tshuam rau kev cia ruaj khov, fluidity, qib, tsis haum, thiab tiv taus corrosion ntawm txheej. Daim ntawv thov cov khoom siv xws li kev siv hluav taws xob thiab kev coj ua kuj tseem yuav cuam tshuam rau cov nqi tsim khoom, vim hais tias kev siv lub zog ntawm kev sib tsoo thiab tawg kev ua haujlwm tau siab, suav rau feem ntau ntawm tag nrho lub zog noj ntawm txheej tsim cov txheej txheem, thiab cov khoom siv ploj yog loj Cov.
Qhov kev thov rau titanium dioxide tau nce xyoo no, tshwj xeeb tshaj yog rau cov titanium dioxide siv hauv kev lag luam lithium-ion aviation, uas tseem muaj kev cia siab rau kev siv ntshuam. Raws li nqes dej ntawm titanium dioxide, txheej txheej raug cuam tshuam los ntawm kev tiv thaiv ib puag ncig, thiab coob tus lag luam me thiab nruab nrab tau raug kaw. Nyob rau hauv lub neej yav tom ntej, cov nyiaj ntawm titanium dioxide nyob rau hauv kev ua lag luam coatings tseem yuav txo qis.


Lub sijhawm tshaj tawm: Lub Yim Hli-22-2020
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