Kev loj hlob ntawm nano anti-counterfeiting number case
Peb yog ib lub lag luam loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv nyuaj, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
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1 Taw qhia
Tus cwj mem los tiv thaiv tus cwj pwm yog ib qho tseem ceeb tshaj ntawm cov qauv kev tawm tsam kev tiv thaiv. Nws muaj ntau yam kev cob qhia, xws li optics, chemistry, electromagnetics, computer technology, spectroscopy, printing technology, thiab lwm yam. Nws yog qhov kev qhuab qhia hauv qhov kev qhuab qhia. Ntawm lawv, tshuaj cov khoom siv tshuaj tiv thaiv thiab kev siv tshuab yog cov kev siv cuab yeej los ntawm kev tiv thaiv tawm tsam, ua ib txoj haujlwm tseem ceeb hauv kev tshawb nrhiav thiab daim ntawv thov. Manipulating molecules nyob rau hauv nanometer loj ntau yam, tsim thiab sib dhos ruaj khov ntau yam, thiab yog li tsim tshiab nano-nplua tshuaj thiab tshiab nano-cov ntaub ntawv uas zoo heev zog, tau ua ib thaj tsam frontier. Yuav ua li cas hla-muab nanoscience thiab tshawb cov ntaub ntawv ntawm nanomaterials nyob rau hauv nano-nplua tshuaj, nano-tshuaj, nano-cov khoom noj, nano-composites thiab tshiab lub zog los ua ib lub npe tshawb rau cov kws tshawb fawb hauv tsev thiab sab nraud. Nano anti-counterfeiting luam tawm number case tsim los ntawm kev sib koom tes nanotechnology thiab kev tiv thaiv tawm tsam kev lag luam tsis zoo xwb zoo luam nyhuv, tab sis tseem muaj peev xwm ntxiv txhim kho kev tiv thaiv tsis zoo thiab kev tiv thaiv kev ua txhaum.
2. Yam ntxwv ntawm nano inks
Nano-anti-counterfeiting tus number case yog tshwj xeeb luam tawm tshwj xeeb uas yog ntxiv nrog cov khoom tshwj xeeb ntawm cov khoom nano anti-counterfeiting hauv khawm thev npev, thiab tseem tuaj yeem ua tiav los ntawm cov tswv yim tshwj xeeb los ntawm txoj kev encryption. Xws li photochromism, thermochromic thiab ultraviolet number case, thiab lwm yam., Los yog "nanocrystallization" ntawm tus number case los tiv thaiv, feem ntau muaj cov yam ntxwv nram qab no.
2.1 lub teeb meem ceev, acid acid thiab adhesion yog ib qho zoo tuaj. Nano number case tshaj, txhua yam ntawm kev ua tau zoo dua, vim hais tias SiO2, TiO2 tuaj yeem muaj zog tiv thaiv ultraviolet lub teeb thiab kev ua tau zoo ntawm lub nanometer nplhaib, nano anti-counterfeiting cim synthesized los ntawm cov txheej txheem tshuaj lom neeg tshwj xeeb, nws lub teeb nrawm feem ntau yuav zoo tuaj 2 ~ 3 Cov qib, kev kub ntawm kev tiv thaiv thiab kev ua kom ceev nrooj zoo nkauj tuaj.
2.2 Muaj ntau cov qauv muaj ntau qhov yuav tsum tau ntxiv ntawm ib tug surfactant thaum lub sij hawm tsim cov txheej txheem los txo cov nro ntawm lub binder, ua rau muaj kev nce qib hauv tag nrho cov kab ke. Cov nanoparticles lawv tus kheej muaj qhov zoo wettability. Lawv cov adsorb nyob rau ntawm cov xim ntawm cov xim ntawm tus cwj pwm, uas ua rau lub lipophilicity thiab wettability ntawm tus number case, thiab stabilizes cov qauv thiab cov qauv kua ntawm tus number case. Yog li ntawd, nws tau ntxiv. Nanoparticle inks ua tau zoo kom lawv cov ntawv luam tawm.
2.3 Hloov cov xim luam tawm nrog cov nano-inks nrog ib qho nano-hais ntxiv, qib yuav ntau dua, lub suab yuav ntau vivid, thiab cov duab ntawm cov duab lus yuav raug zoo heev.
2.4 nanoparticle siv nyob rau hauv ib tug number case UV, qhov kev ceev ceev yuav ceev, thiab shrinkage wrinkling ntawm tus cwj pwm zaj duab xis yuav raug tshem tawm vim zoo nplua faib dispersion ntawm lub tub lim.
2.5 Cov cim ntawm tus cwj pwm xaws pob yog ib qho tseem ceeb qhia txog qhov zoo ntawm tus cwj mem. Vim tias ntau yam ntaub ntawv raw hauv nano-kua number case muaj li ntawm nano tsuas hais, qhov ntau hais yog uniformly dispersed thiab tshem tawm, ua rau high tsis ntev faj fineness. Txuag ntau ntau cov ntaub ntawv raw thiab luam ntau refined thiab zoo nkauj dluab.
2.6 Nano-ink number case kuj muaj qhov zoo dua, uas yog, nws ua rau cov ntawv pov thawj ntawm cov ntawv luam ntawv. Cov phaj luam tawm ncaj nraim ntawm tus cwj mem, thiab cov phaj luam ntawv feem ntau yog tsim los ntawm ib lub rooj yas uas muaj ntau lub voj voog uas muaj qis zog. Yog hais tias tus lej feem ntau yog sib txig, txoj kev sib txhuam coefficient tseem yog qhov loj loj nyob rau hauv qhov kev txiav txim ntawm tus kheej lub luam tawm, yog li ntawd lub phaj luam ntawv tau yooj yim hnav thiab cov phaj luam puas lawm. Nano-inks nrog cov khoom me me thiab kev tsis sib haum yuav tsis los sis txo qhov tshwm sim ntawm qhov teeb meem no.
3. Tshawb nrhiav txog nano inks
Lub luminescent pigment yuav siv los ua ib qho khoom noj thiab sib npaug sib npaug hauv ntau daim ntawv xov xwm, xws li kua mem tes, xim, yas, roj hmab, ntawv, zaj duab xis, luam yeeb yaj luam, ua paj nruag ceramic, iav, tshuaj fiber, tawv, thiab lwm yam. tus kheej-illumination Function ntawm lub nruab nrab. Thiab muaj peev xwm nthuav tawm cov xim ci ntawm cov khoom siv no. Nws qhov zoo tshaj plaws yog tias nws muaj lub peev xwm nqus dej kom pom luv luv-pom pom lub teeb nrog ib ntu ntawm 450 nm lossis tsawg dua. Tom qab pib thiab khaws cia ntau lub teeb pom kev (hnub ci, fluorescence, ultraviolet lub teeb, lub teeb, thiab lwm yam), nws emits lub teeb nyob rau hauv maub rau 12 mus rau 24 teev, thiab nws cov siv luminous. Thiab lub sijhawm txij nkawm yog ntau tshaj 30 npaug ntawm cov khoom siv fluorescent, thiab cov ntaub ntawv nws tus kheej yog tsis-toxic, harmless, tsis muaj cov ntsiab lus hauv radioactive, thiab muaj kev ruaj ntseg zoo thiab huab cua ua haujlwm. Nws tuaj yeem siv mus tas li. Txij thaum lub nanocomposite tuaj yeem ua tiav qib siab sib luag thiab qhov loj me me tshaj lub wavelength ntawm lub teeb, lub nanocomposite yog tus cwj pwm dawb thiab lub polymer tau zoo daim ntaub ntawv. Cov ntaub ntawv uas tau los ntawm txoj kev siv huab-sol yog feem ntau pob tshab. Fe2O3, V2O5 raug xaiv los ua cov tshuaj tivthaiv kabmob lossis cov ntawv WO2 inorganic khoom, thiab cov khoom siv yees duab, photochromic, thiab cov khoom siv electrochromic.
Piv txwv, pom ntawm cov neeg txom nyem lub teeb pom kev ntawm fluorescent anti-counterfeiting inks thiab lub tswv yim tiv thaiv kev lag luam uas tau raug teeb tsa thiab ua rau cov kev ua lag luam thaiv tsis ncaj, Lub Tsev Kawm Ntawv Guangzhou tau ntse tshawb fawb nano-anti-counterfeiting inks nrog nyob ze infrared , thiab qhov ua tau zoo ntawm kev kuaj me me yog ntseeg tau, ruaj ntseg, ruaj khov thiab tiv taus. Kev laus thiab lwm yam kev sib tw tau mus txog qib siab. Tam sim no, cov khoom tau raug siv rau kev ua lag luam hauv high-tech xws li txheej ntim, thaiv kev ruaj ntseg thiab infrared sensors.
Muaj kuj yog cov kev tshawb nrhiav kev tiv thaiv ntawm Peking University. Tam sim no, nws tau ntse tsim cov ntaub ntawv infrared anti-counterfeiting luminescent, infrared anti-counterfeiting inks, tshwj xeeb tshaj yog cov infrared anti-counterfeiting discriminator, uas tau ntse tsim lub high-speed txoj kev loj hlob ntawm infrared anti-counterfeiting tshuab. Cov ntaub ntawv luminescent infrared belongs rau lub cev tsis muaj zog hauv ntiaj teb luminescent khoom, thiab emits ci glare ntsuab thiab liab pom lub teeb nyob hauv infrared illumination. Lub ntsiab ua haujlwm theem ntawm cov khoom siv infrared yog 780 nm rau 1200 nm. Qhov zoo ntawm qhov hom ntawm luminescent khoom yog: nyob rau hauv ib txwm niaj hnub, nws muaj ib tug heev dawb tsos, thiab nws yog ib qho yooj yim kom los txhuam cov granules, thiab yog ib qho tshwj xeeb raw khoom rau kev ua cov khoom counterfeiting. Qhov kev sib cais ntawm tus cwj pwm tsis zoo yog cov khoom siv high-tech uas yog siv cov tshuab tshiab tsom xam nrog tshuab computer tshiab. Nws zoo heev los tiv thaiv kev lag luam thiab kev siv yooj yim ntawm kev siv tau raws li qhov xav tau ntawm qib siab ntawm anti-counterfeiting, thiab nws yog nyob thoob ntiaj teb thawj theem pib.
Nano-scale pob tshab hlau oxide series pigments, uas tau tsis ntev los no raws li lub teb chaws tseem ceeb tshiab khoom los ntawm Ministry of Science thiab Technology, tau raug tsim tau zoo. Lub nano hlau feem ntim tag nrho lub teeb tsis thiab ua rau lawv tus kheej dub, thiab tseem scatter lub teeb. Ntxiv nano hlau cov zauv rau tus cwj mem dub muaj peev xwm kho cov purity thiab cov xim ntawm tus cwj mem dub. Tsis tas li ntawd, tom qab ntawm lub semiconductor nanoparticle yog sib hloov kho, qhov nruab nrab nyob ib puag ncig cov khoom ua tau zoo tuaj yeem cuam tshuam nws cov khoom kho qhov muag, uas yog tshwm sim los ntawm liab ua haujlwm los yog xiav ua haujlwm ntawm qhov kev cuam tshuam kev nqus. Yog hais tias lawv ntxiv rau daj thiab cyan inks kom ua nano-inks, qhov purity ntawm daj number case thiab cyan number yuav muaj zog, thiab cov khaubncaws sab nraud povtseg yuav ua tau ntau dua.
Tus naj npawb nano-cov cim muaj cov hluav taws xob ua hluav taws xob thiab muaj kev tiv thaiv zoo ntawm cov hluav taws xob tiv thaiv, tiv thaiv cov teeb liab ntawm kev sib txuas lus los ntawm kev cuam tshuam los ntawm sab nraud hluav taws xob. Yog hais tias nws ntxiv rau ntawm tus cwj mem, nws tuaj yeem ua rau tus cwjpwm ua haujlwm rau kev cog lus muaj peev xwm ua ke thiab lub vaj huam sib luag niaj hnub hloov. Tos. Tsis tas li ntawd, nyob rau hauv tus cwj pwm, yog Ag yog tsim los ntawm nanometer siv micron Ag, 50% ntawm cov hmoov av tau txais kev cawmdim. Cov cwj pwm no muaj peev xwm muab ncaj nraim mus tso rau ntawm cov paj thiab hlau, thiab tus lej txheej plawg yog txawm thiab du, thiab qhov ua tau zoo. Yog hais tias Cu thiab Ni cov ntaub ntawv ua rau ultrafine hais ntawm 0.1-1 um, nws yuav siv tau los hloov cov zoo zoo nkauj tshooj xws li palladium thiab nyiaj.
4 Xaus
Tam sim no, Txawm hais tias nano-inks muaj zoo kev kawm, qhov zoo ntawm nano-inks yog cuab kev rau txhua tus, tab sis nano-inks tsis nrov heev. Tam sim no, nano-inks tseem yog tseem nyob hauv lub theem theem, thiab tseem muaj txoj kev mus rau tus number case loj thiab mus luam industries. Nrog txoj kev loj hlob ntawm nanotechnology, nano-number case yuav qhib tau lub ntiaj teb loj heev rau number case manufacturing, coj tus tshiab revolution rau lub ntiaj teb tus number case thiab luam ntawv tshuab.