Kuv yuav tsum ua li cas thiaj phim xim dub, dawb, liab, daj thiab cov ntaub ntawv tshwj xeeb?

Dawb

Yuav ua li cas npaj cov yas dawb ntxiv

Yuav kom phim cov khoom dawb ci, qhov kev xaiv tseem ceeb ntawm lub suab hauv qab nrog xiav titanium dioxide (yuav tsum xaiv siv cov txheej txheem chlorination los tsim titanium dioxide, nws cov khoom me me, qhov hnyav sib npaug), vim tias lub suab hauv qab nrog xiav titanium dioxide nrog dawb, yuav ua rau tib neeg muaj kev xav tshiab, ntawm qhov tsis sib xws, yog tias koj xaiv qhov loj me ntawm cov khoom loj, lub suab hauv qab nrog daj titanium dioxide, tsis hais txoj kev twg siv los kho xim lub teeb tsis tuaj yeem ncav cuag dawb huv.

Vim tias titanium dioxide tsis txaus dawb, feem ntau ntxiv cov khoom ntxiv rau hauv cov xim yas kom dawb. Koj tuaj yeem ntxiv me ntsis xim xiav thiab ntshav lossis cov tshuaj dawb fluorescent kom dawb, cov nyhuv dawb titanium dioxide yog raws li nram no: txoj kev yooj yim tshaj plaws thiab siv tau yooj yim tshaj plaws yog siv cov pob zeb ntsuab tshiab, cov nyhuv ntawm nws cov dawb yog dawb sib nqus; nrog rau cov nyhuv dawb fluorescent yog qhov zoo tshaj plaws, tab sis nws tus nqi yog siab tshaj plaws.

Dub

Yuav ua li cas los tsim cov yas dub ntxiv

Thaum tsim cov khoom dub tshwj xeeb uas muaj cov pa roj carbon dub, yuav tsum tau ua tib zoo saib xyuas qhov teeb meem ntawm lub teeb xim dub. Hauv lub teeb pom kev, cov pa roj carbon dub uas muaj cov khoom me me feem ntau yog xim xiav dua li cov pa roj carbon dub uas muaj cov khoom loj, tab sis hauv lub teeb kis tau (xim pob tshab) thiab thaum tig xim grey nws yog xim av. Yog tias koj xav tau cov khoom yas dub thiab ci ntsa iab, xaiv cov pa roj carbon dub uas tsis muaj cov khoom me me. Qhov no yog vim tias thaum pleev xim rau cov pa roj carbon dub, qhov dub feem ntau yog raws li kev nqus lub teeb, yog li qhov me me ntawm cov khoom me me, qhov siab dua ntawm kev nqus lub teeb, qhov tsis muaj zog ntawm kev cuam tshuam lub teeb thiab qhov dub siab dua. Tom qab xaiv cov pa roj carbon dub uas tau hais los saum toj no, yuav tsum tau ua tib zoo saib xyuas qhov kev sib kis ntawm cov pa roj carbon dub kom tau txais cov txiaj ntsig xim zoo. Tsuas yog los ntawm kev daws qhov teeb meem ntawm kev sib kis ntawm cov pa roj carbon dub thiaj li ua tau lub zog xim dub siab tshaj plaws.

Tom qab oxidation, kev qhia txog cov pawg polar xws li -OH, -COOH, txhua tus ua rau muaj kev sib kis ntawm cov pa roj carbon dub, yog li ntawd muaj qhov qhia txog qhov tsis hloov pauv hauv cov ntsuas kev ua tau zoo ntawm cov pa roj carbon dub, qhov siab dua tus nqi, qhov siab dua ntawm kev oxidation.

Txawm li cas los xij, cov pa roj carbon dub yeej ib txwm muaj qee lub teeb daj, yog li koj tuaj yeem siv cov xim xiav, qhov ntau ntawm 8% txog 10%, yog li cov xim dub ntawm kev npaj ntawm ebony degree nce ntxiv heev. Cov xim siv feem ntau yog xiav 15: yog tias tus neeg sawv cev xim xiav siv rau ntawm lub hauv paus ntawm toning thiab tom qab ntawd toning nrog ntshav lossis liab, cov xim dub yuav txawm tias dub dua.

Grey

Yuav ua li cas los tsim cov yas grey

Thaum tsim cov xim grey nrog carbon dub, yuav tsum tau them sai sai rau qhov teeb meem ntawm cov xim carbon dub lub teeb, qhov loj ntawm cov khoom dub carbon me me, thaum ntxiv rau titanium dioxide nrog cov xim daj ntawm grey; qhov loj ntawm cov khoom dub carbon loj, thaum ntxiv rau titanium dioxide, yuav tau txais nrog cov xim xiav ntawm grey. Qhov loj ntawm cov khoom titanium dioxide thiab qhov loj ntawm cov khoom tawg thiab titanium dioxide lub teeb kuj muaj kev sib raug zoo heev, qhov loj ntawm cov khoom titanium dioxide nrog lub teeb daj, qhov loj ntawm cov khoom me me nrog lub teeb xiav. Yog li ntawd, thawj qhov yuav tsum ua yog kom meej meej txog kev sib raug zoo ntawm cov khoom carbon dub thiab titanium dioxide qhov loj thiab lub suab, txwv tsis pub lub suab tsis raug, thiab tom qab ntawd kho cov xim, yuav nyuaj dua.

Tom qab txiav txim siab txog cov pa roj carbon dub thiab titanium dioxide, cov xim grey kuj tseem yuav tsum tau siv lwm yam xim los sib tov kom tau raws li tus neeg siv xav tau, vim tias cov xim ntxiv tsawg dua, yog li yuav tsum xaiv cov xim uas muaj zog tsawg, xws li hlau oxide (xim daj 119, xim liab 101), hlau oxides (xim daj 53, xim av 24), uas ua rau lub kaw lus sib phim xim ruaj khov dua.

Sab nraum zoov

Yuav ua li cas los tsim cov yas rau kev siv sab nraum zoov

(1) Cov khoom yas xim tsaus rau siv sab nraum zoov.

Cov khoom yas sab nraum zoov xws li cov rooj zaum rau cov chaw ua si, cov hlau hlua khi rau cov choj, cov ntaub ntawv siv hauv tsev, cov thawv tshaj tawm, cov thawv thiab cov khoom siv tsheb yas yuav tsum muaj lub teeb zoo thiab tiv taus huab cua vim tias lawv siv sab nraum zoov ntev. Cov xim inorganic feem ntau muaj lub teeb zoo thiab siv tau los phim cov xim ntawm cov khoom yas rau kev siv sab nraum zoov, tab sis lawv cov xim tsis tshua muaj zog.

Thaum npaj cov khoom siv sab nraum zoov uas muaj xim tsaus, peb yuav tsum xub xaiv cov tshuaj pleev xim uas tiv taus lub teeb thiab huab cua zoo, thiab qhov thib ob siv tsawg lossis tsis muaj titanium dioxide hauv cov khoom ntau li ntau tau, kom cov xim hauv cov khoom ntau li ntau tau. Tsis tas li ntawd, muaj cov tshuaj nqus UV thiab cov tshuaj tiv thaiv oxidants txaus hauv cov mis pleev xim kom ntseeg tau tias cov resin tsis hloov xim.

(2) Xim kajcov khoom yasrau sab nraum zoov siv.

Cov khoom yas xim sib dua yog ua los ntawm kev ntxiv ntau cov titanium dioxide thiab me ntsis ntawm cov xim. Vim tias feem ntau cov xim organic raug ntxiv rau titanium dioxide, qhov kev tiv taus huab cua thiab kev tiv taus cua sov yuav raug txo kom sib txawv, thiab qhov cuam tshuam ntawm cov xim sib dua yog qhov loj dua vim muaj cov xim me me ntxiv. Lwm cov xim organic siv rau hauv cov xim sib dua vim nws muaj zog xim siab, yog li nws siv rau hauv cov xim sib dua nrog me ntsis ntawm kev ntxiv, uas tuaj yeem ua rau muaj qhov sib txawv ntawm cov xim hauv kev tsim khoom thiab kev hloov pauv xim thaum siv.

Cov xim sib dua yuav tsum tau hloov kho nrog cov xim inorganic, feem ntau yog siv lawv cov txiaj ntsig ntawm kev tiv taus cua sov zoo thiab lub zog xim tsawg. Cov xim inorganic muaj yog xim daj 119 (hlau oxide), xim daj 53 (hlau oxide), xim xim av 24 (hlau oxide), xim xim av 184 (bismuth vanadate), xim liab 01 (hlau oxide), xim xiav 29 (ultramarine), xim ntsuab 8 (cobalt xiav), xim xim av 50 (cobalt ntsuab).

Xim kaj

Yuav ua li cas npaj cov yas pob tshab xim sib dua

Cov khoom siv uas muaj xim pob tshab yuav tsum tau ua ntej tshaj plaws kom cov resin nws tus kheej pob tshab thiab tsis muaj xim, piv txwv li polypropylene thiab styrene pob tshab. Nws yog ib qho tseem ceeb uas yuav tsum xaiv cov xim uas muaj pob tshab zoo thiab xim sib xws. Feem ntau, cov xim inorganic uas tsis muaj pob tshab tsis tuaj yeem siv tau. Cov xim uas muaj pob tshab zoo hauv cov xim organic yog: xim daj 139 (isoindolinone), xim daj 199 (anthraquinone), xim liab 149 (perylene system), xim liab 254 (diketone-pyrrole-pyrrole), xim xiav 15:1 (phthalocyanine), xim ntsuab 36 (phthalocyanine) thiab xim xim av 41 (condensed azo).

pearlescent

Yuav ua li cas los tsim cov yas pearlescent

Feem ntau, cov xim pearlescent ntxiv rau hauv cov khoom yas txhaj tshuaj yog 1%, thiab cov khoom yas extruded yog 4% ~ 8%, nyob ntawm seb cov yas zaj duab xis tuab npaum li cas. Ib yam li ntawd, thaum sib xyaw ua ke, cov ntsiab lus pearlescent hauv cov txheej pearlescent yuav tsum tau nce ntxiv raws li qhov ntawd, thiab qhov ntxiv yog 5% ~ 10% raws li qhov tuab ntawm cov yas pearlescent.

(1) Ua tib zoo xaiv cov xim pearlescent thiab cov xim organic.

Feem ntau, kev siv cov xim pearlescent hauv kev ua cov yas yuav tsum tau ua tib zoo saib xyuas cov ntsiab lus hauv qab no: qhov pob tshab ntawm cov xim resin yuav tsum zoo; kom deb li deb tau, siv cov xim uas muaj pob tshab zoo (xws li cov xim organic) thiab cov xim solvent; lawv tsis tuaj yeem siv nrog titanium dioxide, thiab txhawm rau kom ua tiav qee lub zog npog, cov xim pearlescent me me tuaj yeem siv tib lub sijhawm, thiab cov xim npog muaj zog siab yuav tsum zam kom deb li deb tau; thaum cov xim pearlescent siv rau cov khoom yas sab nraum zoov, yuav tsum xav txog thaum cov xim pearlescent siv rau cov khoom yas sab nraum zoov, yuav tsum xav txog qhov tiv taus huab cua ntawm cov xim pearlescent.

(2) Ua tib zoo saib xyuas cov txheej txheem ua cov xim pearlescent thiab cov txheej txheem molding.

Thaum txhaj tshuaj molding, lub zog rov qab yog nce ntxiv kom txhim kho qhov sib tov ntawm cov ntsia hlau, yog li txhim kho qhov dispersion ntawm cov xim pearlescent. Qhov kub ua tiav thaum txhaj tshuaj molding feem ntau yog xaiv ntawm qhov txwv siab tshaj plaws ntawm qhov kub thiab txias pom zoo ntawm cov resin, yog li kom ntseeg tau tias cov hmoov pearlescent dispersion.

Qhov ua tiav ntawm qhov pwm yog qhov tseem ceeb heev. Qhov pwm ci ntsa iab dua, qhov xim pearlescent zoo ib yam thiab du.

Tus qauv tsim ntawm lub qhov rooj pwm kuj tseem ceeb heev. Kev xaiv ib lub qhov rooj txo cov kab pwm tawm ntau dua li ntau lub qhov rooj. Feem ntau yuav tsum xaiv lub qhov rooj rau hauv qhov chaw tuab ntawm cov teeb meem ntws thiab qhov deb ntawm qhov kawg ntawm lub qhov rooj thiab lub kaw lus khiav yuav tsum me me li sai tau kom txo qhov sib faib tsis sib xws ntawm cov xim pearlescent thiab kev npaj tsis zoo uas tshwm sim los ntawm qhov sib txawv ntawm kev tiv thaiv kua.

Vim tias cov xim pearlescent muaj nyob rau hauv daim ntawv ntawm flakes, qhov loj me ntawm cov xim yuav me dua thiab cov nyhuv pearlescent yuav raug txo vim yog lub zog shearing thaum lub sijhawm ua cov yas. Ib qho piv txwv loj dua thiab qhov zoo ntawm cov ntxaij lim dej yog siv los ua kom lub siab ntawm lub taub hau tshuab, yog li txo qhov kev puas tsuaj ntawm cov xim pearlescent los ntawm lub zog shearing thaum lub sijhawm ua ntau li ntau tau.

Thaum siv cov xim pearlescent hauv PMMA, PC thiab PA systems, yuav tsum tau ua kom qhuav ua ntej. Thaum siv cov xim kub thiab tooj liab pearlescent hauv PVC plastics, yuav tsum tau ceev faj vim tias lawv muaj cov hlau dawb ions, uas ua rau cov PVC resins lwj sai dua. Cov xim dawb pearlescent nyiaj tuaj yeem daj hauv qee cov khoom xim, yog li siv cov khoom tiv thaiv kev daj yog qhov pom zoo.

Kub thiab Nyiaj

Yuav ua li cas los tsim cov yas kub thiab nyiaj

Cov xim siv rau hauv cov khoom yas nyiaj yog cov hmoov txhuas. Cov xim txhuas tsim cov teeb ci ntsa iab xiav-dawb specular, vim tias qhov chaw txhuas ci ntsa iab tag nrho cov spectrum pom, suav nrog lub teeb xiav.

Cov hmoov txhuas muaj ntau hom sib txawv rau kev siv hauv cov yas. Qhov nruab nrab txoj kab uas hla ntawm cov khoom me me yog 5μm, uas muaj xim zoo heev thiab muaj zog npog; qhov nruab nrab txoj kab uas hla ntawm cov khoom me me yog 20 ~ 30μm, uas tuaj yeem siv ua ke nrog cov xim muaj xim; qhov nruab nrab txoj kab uas hla ntawm cov khoom me me yog 330μm, uas muaj cov nyhuv ci ntsa iab ntxiv.

Lub ntsiab lus yaj ntawm cov hmoov txhuas yog 660 ° C, tab sis thaum kov ncaj qha nrog huab cua ntawm qhov kub siab, qhov chaw yog oxidized rau xim greyish-dawb, yog li kev kho qhov chaw ntawm cov hmoov txhuas npog nrog cov yeeb yaj kiab silicon oxide tiv thaiv tuaj yeem ua rau nws tiv taus cua sov, huab cua thiab kua qaub.

Cov xim siv rau hauv cov khoom yas kub yog hmoov tooj liab, uas yooj yim rau oxidize ntawm qhov kub siab, thiab nws txoj kev tiv thaiv huab cua tsis zoo, thiab nws yuav tsaus ntuj ntev sab nraum zoov. Yog tias qhov chaw ntawm cov hmoov tooj liab raug kho nrog cov yeeb yaj kiab silicon oxide tiv thaiv, qhov kev tiv thaiv cua sov, kev tiv thaiv huab cua thiab kev tiv thaiv acid tuaj yeem txhim kho tau zoo heev. Tom qab kev kho silicon oxide, cov masterbatches yuav tsis tsaus ntuj thaum txhaj tshuaj kub siab.

Yuav kom tsim tau ib qho tshwj xeeb hlau, ib qho me me ntawm cov organic pigments nrog pob tshab zoo dua thiab xim zoo sib xws thiab lub teeb tuaj yeem ntxiv, tab sis nws yuav tsum tau sau tseg tias yog tias muaj ntau dhau titanium dioxide thiab pearlescent hmoov thiab lwm yam khoom ntxiv rau hauv cov mis, nws tseem yuav ua rau cov khoom tsaus ntuj.

Vim tias cov xim hlau feem ntau yog cov flakes, kev siv cov xim hlau thiab cov xim pearlescent yuav tsim cov kab pwm hauv cov txheej txheem txhaj tshuaj molding, cuam tshuam rau qhov zoo li ntawm cov khoom yas. Cov txheej txheem hauv qab no tuaj yeem siv los txo lossis txo qhov xwm txheej saum toj no: siv cov xim hlau loj, nce cov xim hlau ntxiv, xaiv cov resins nrog viscosity siab, nce qhov aperture txhaj tshuaj thiab nce qhov ceev txhaj tshuaj.