Kev daws teeb meem tag nrho rau cov inks dej los ntawm kev tsim qauv ua kom zoo
May 23, 2025
1.Qhov cov kev sib tw tseem ceeb thiab cov cim tseem ceeb ntawm cov dej-based ink durability
2.innovation thiab kev hloov kho ntawm cov kev ua haujlwm resin high
3.|umrecatment thiab adhesion li lub tswv yim
4.Saib kev txhim kho ntawm cov pigments thiab cov kev ua haujlwm ntxiv
5.Upgrade thiab breakrough ntawm cross-txuas kho tshuab
6.post-ua cov txheej txheem thiab durability txhim kho kev txhais tau tias
1.Qhov cov kev sib tw tseem ceeb thiab cov cim tseem ceeb ntawm cov dej-based ink durability
1.1. Txhais thiab qhov tseem ceeb ntawmDej-based number caseKev ruaj khov
Qhov "Kev ruaj khov" ntawm cov kua dej-nyob rau hauv nws txoj kev tiv thaiv lub cev, tshuaj lom neeg ib puag ncig, thiab ib puag ncig kev laus. Qhov kev txhawb nqa no yog ntsuas nyob thoob peb qhov tseem ceeb: Adhesion stability, huab cua & corrosion tsis kam, thiab cov txheej txheem durability. Tsis zoo li cov counterparts, cov dej sib luag, cov dej sib tw tso tseg rau cov khaub ncaws ua yeeb yaj kiab xws li cov yeeb yaj kiab tsis zoo thiab tsis txaus. Cov kev txwv no ncaj qha cuam tshuam cuam tshuam rau hauv Ink kev ua haujlwm nyob rau ntau qhov kev mob.
1.2. Kev ua haujlwm nruj kev ntsuas rau cov sijhawm ntev
Kev ntsuas kev lag luam-qauv ntsuas qhov ntsuas kom ruaj khov nrog cov qauv ntsuas pom tseeb. Adhesion yog ntsuas los ntawm cov txheej txheem hla kev (Astm D3359), xav tau kev ntsuas ntau dua lossis sib npaug nrog tsis muaj kab xev ntsug. Kev sib txhuam tsis kam tshaj 50 mus txog ntawm kev muab cov khoom siv qhuav (cs {6}} log, tsis muaj xim tsis muaj xim tsis muaj xim tsis zoo. Huab cua tiv thaiv cov nplaum rau QUV laus tus qauv, lim cov xim sib txawv (ΔE) rau<3.0 after 1000 hours. Chemical resistance is verified by 20 cycles of 5% sodium hydroxide or alcohol wiping, with no signs of swelling or discoloration.
1.3. Kev Cuam Tshuam Cov Khoom Dej-Raws Li
Kev xam cov khoom ntawm cov dej-raws cov qauv ua rau cov kev sib tw tseem ceeb. Lub iav hloov qhov kub (TG) Tsis ruaj khov xim dispersion kev tsiv teb tsaws thiab flocculation, kev nyuaj siab xim. Tsis tas li ntawd, Ink zaj duab xis lub cuab yeej cov qauv sib txuas nrog cov dej vapor thiab cov kuab kev nkag siab, undermining durability. Kev kov yeej cov kev txwv no tseem yog qhov tseem ceeb rau kev nce qib dej thev naus laus zis siv tshuab.
2.innovation thiab kev hloov kho ntawm cov kev ua haujlwm resin high
Cov qauv tshuaj thiab zaj duab xis-ua cov khoom ntawm cov cob,Raws li lub cev pob txha ntawm dej-based number case zaj duab xis, yog kev txiav txim siab rau ink durability. Tam sim no, kev tshaj lij cov txheej txheem txhim kho txhim kho cov txheej txheem ua haujlwm.Core-plhaub qauv emulsion polymerizationsawv tawm, kev ua qoob loo 80-120 ni} nm acrylic-polyurethane hais los ntawm cov noob emulsion txoj kev emulsion. TusSiab TG Acrylate Core (TG=50 degree)imparts hardness thiab kos tsis kam, thaum lubTsawg tg polyurethane plhaub (tg=-30 degree)Boosts saj zawv thiab substrate adhesion. Hauv kev xyaum, no Tech Yub no Ink Films nrog ibelongation thaum tawg tshaj 200%thiabtshaj li 1000 mus ncig ua ke ntawm bending tsis kam.
Hla-txuas Resin Kev Hloov KhoQhia cov pab pawg uas muaj tshuaj lom neeg. Epoxy-Hloov Acrylic Resins, Piv txwv li 1% {{}} ethy ether, tsim ether benderional ephet? Txuas ntxiv-txuas tom qab kom qhuav (Hla kev sib txuas ntom ntom: {{0. {8-1. 2Mol \/ m³). Tus kheej-hla polyurethanes nrog hydrazine \/ Ketocarbonyl pab pawg tsim hydrazide-ketoximine vaj ntawm qhov kub kub,Kev Txhim Kho Cov Tshuaj Tiv Thaiv Kev Txhim Kho los ntawm 40%Cov. Lub caij no,nano-composite resin technologydisperses 5% {{{-10% nano-silica lossis txheej av txheej av,Shrinking zaj duab xis pores los ntawm 50nm rau<10nm, slashing dej vapor permeability los ntawm 60%. Los ntawm kev tsim "tus ntoo khaub lig kev sib txuas," nwsLowers qhov sib txhuam coefficient los ntawm {0}}. 45 rau 0.28, zoo heev ntxiv dag zog rau memk zaj duab xis ua haujlwm.
3.|umrecatment thiab adhesion li lub tswv yim
Vim tias qhov sib txawv tseem ceeb hauv cov khoom sib txawv ntawm cov ntawv sib txawv xws li cov ntawv, yas, thiab cov phiaj xwm kev kho mob yog tsim nyog los txhim kho cov nplaum ntawm cov dej nplaum ntawm cov dej. Rau cov yas substrates xws li tus tsiaj thiab opp, corona kev kho mob feem ntau siv los nce cov npoo 30-32 m ntawm lub hluav taws xob teb lub zog ntawm {}} kv \/ cm; Los yog {0}.} {}} μm tuab} μm tuab watercing tus neeg sawv cev yog thov kom muaj cov kab xev Hauv kev kho mob ntawm cov hlau substrates xws li txhuas ntawv ci thiab Tinplate, ib qho chaw ua haujlwm uas muaj kev sib koom tes nrog cov hlau sib txuas (ttm b117) tau dhau mus rau 500 teev tsis muaj xeb; Nano zinc oxide dispersion (particle loj<100nm) fills the pores of the metal oxide film, increasing the bonding force by 3 times. For porous substrates such as paper and fabrics, 1% - 2% hydroxyethyl cellulose (molecular weight 50,000 - 100,000) is added to adjust the ink film penetration depth to 5 - 10μm; starch-modified resin is used to form an "anchor structure" to significantly increase the wet friction resistance from 15 times to 60 times, effectively solving the problem of adaptability between different substrates and water-based inks and enhancing adhesion.
4.Saib kev txhim kho ntawm cov pigments thiab cov kev ua haujlwm ntxiv
4.1. Tseem ceeb ntawm cov pigments thiab ua haujlwm ntxiv rau hauv Ink Durability
Lub durability ntawm dej-raws inks hinges ntawm kev xaiv tsis zoo thiab syergy ntawm pigments thiab kev sib ntxiv ntawm cov khoom sib ntxiv. Huab cua-resistant pigments ua raws li txoj kev nruj: tooj pthalocyanine xiav (PB15: {} Quinacridone LIAB (PR122) (Lub teeb tiv taus theem 8, ΔE <1.5 tom qab 1000 teev) yog qhov zoo tagnrho ntim, yuav tsum zam nano-discersion (d50 <100nm) kom tsis txhob flocculation; Cov pa roj hmab dub (PBK7) (lub teeb tiv taus theem 8) Ua haujlwm dub luam ntawv, xav tau cov khoom nqus roj (DBP roj nqus> 100ml \/ 100g).
4.2. Txhim Kho Ink Performance los ntawm kev tsim kev ntxiv
Ua haujlwm ntxiv compounding opound zoo tshaj plaws memcerties. Cov kab ke tawm tsam cov txheej txheem, sib tov ntawm {{1} hinder}. 3% {290-400 nm UV Rays. Kev sib txhuam tsis kam nrog 2% polytetrafluoroethylene micropowder ({} μm), txo kev coj los ntawm 50%. Tshuaj lom zem ntxiv dag zog ntawm fluorinated acrylate copolymers ({9}}}% cov ntsiab lus fluorine), kom muaj txiaj ntsig<1% mass loss after 24-hour 75% alcohol immersion. These additives collectively fortify ink resilience against environmental stresses.
4.3. Kev txiav txim siab cuam tshuam ntawm cov ziab khaub ncaws ua yeeb yaj kiab
Cov ziab khaub ncaws ua yeeb yaj kiab-ua cov txheej txheem yog pivotal rau ink durability. Hauv cov yeeb yaj kiab yas luam ntawv, ib feem-theem gradient kom qhuav:}}}}}}} Cov dej dawb, tiv thaiv "dej kos" tsis xws luag; Lub ntsiab lus kom qhuav (60-70 degree, {}} Min) txhawb nqa yeeb yaj kiab los ntawm 1.1g \/ cm³ rau 1.3g \/ cm³; Qhov kev kho theem ({{{{}} degree,}}}}} Min) kev sib txuas-txuas qib los ntawm 30% mus rau 60%. Cov txheej txheem tshwm sim no muaj txiaj ntsig zoo tshaj plaws zaj duab xis thiab kev ua tau zoo.
4.4. Kev ua kom zoo dua cov khoom kom qhuav thiab kev daws teeb meem
Cov khoom kom qhuav tsis tas yuav calibreation: huab cua kub ntawm 2-3 m \/ s enterabliv dej evaporation; 3-5 μm infrared hluav taws xob resin pawg rau kev tsim duab nrawm dua; {{2 {}} degree txias txwv tsis pub ua zaj duab xis shrinkage rau<0.5%. For common defects, tailored solutions exist: film cracking(drying rate > 5g/(m²·min)) resolves with reduced pre-drying temperature (45℃) and 5% plasticizer addition; poor adhesion (residual moisture > 10%) improves by extending curing time and installing infrared moisture meters; surface powdering corrects by raising main drying temperature to 65℃ and adding 1% film-forming agents.
5.Upgrade thiab breakrough ntawm cross-txuas kho tshuab
Hla kev sib txuas tshuaj thev naus laus zis txhawb nqa cov kev txhim kho ntawm dej-basul number case los ntawm kev ua yeeb yaj kiab lub cev los ntawm kev sib tham txog kev sib tw tshuaj lom neeg. UV Kho Dej-based Inex Technology Qhia Txog 20% {% UV Los ntawm epolymy Prepolymer (xws li epoxy acrylate) mus rau hauv cov dej ib txwm muaj ua haujlwm. Lub cev zaj duab xis txheej yog thawj tsim los ntawm dej evaporation, thiab tom qab ntawd dawb radical hla-txuas yog pib los ntawm UV irradiation. Cov ntoo khaub lig-txuas nrawm mus txog 2 - 3 mol \/ mol, ua rau cov kua dej uas tsis tau txais> 100 zaug thiab lub zog mus txog rau lub tshuab luam ntawv tsheb. Thermal hla dej-based number case muaj carboxyl \/ amino rising tus neeg sawv cev rau {15} Tus neeg saib xyuas tseem ceeb (hydroxyl-terminated PU) thiab tus kws kho mob (ormyanate prepolymer) Thaum siv nyob rau hauv sab nraum zoov billboards, tej yaam tiv ya yog 2 zaug siab dua li ntawm ib leeg-tivtuab (QV 2000 teev δe<3.5), which significantly improves the performance and application range of water-based ink.
6.post-ua cov txheej txheem thiab durability txhim kho kev txhais tau tias
Cov txheej txheem ua tom qab yog qhov txuas tseem ceeb los txhawb kev ua haujlwm ntev ntawm cov number case dej. Cov tshuab lamination thiab glazing muaj cov teeb meem tseem ceeb. Tom qab thov {2}} μm ntawm lub teeb ci vanish, ib txheej tiv thaiv nrog lub hardness nrog lub hardness ntawm 3h tuaj yeem tsim cov kos tiv thaiv los ntawm 3 zaug. The hot lamination process can reduce the water vapor permeability from 5g\/(m²・24h) to 1g\/(m²・24h) by laminating the PET protective film at 120 degree . Lub superposition ntawm kev ua haujlwm txig ua haujlwm muab cov kua mem ntau dua. Piv txwv li, cov txheej txheej tiv thaiv graffiti muaj polysiloxane hloov pauv, uas tuaj yeem so tau yooj yim so cov cim ntawm cov cim; Cov txheej txheej tiv thaiv kev tiv thaiv ntxiv 0.1% carbon nanotubes los txhim kho kev tsis kam thiab kev coj ruaj khov sau ntawv. Hais txog kev tshuaj xyuas zoo thiab kev kuaj lub neej, nrawm nrawm tau siv QT kev laus (340nm, nrog 1 teev) sib npaug rau 10 hnub nyob rau hauv lub ntuj ib puag ncig; Cov av noo kev ntsuam xyuas yog ua ib qho ntxiv ntawm 50 degree \/ 95% RH thiab 25 Qib<5%). Taking automotive parts labels as an example, PP modified plastic substrates are used, with core-shell structure PU resin (Tg = - 15℃) and 5% nano titanium dioxide. After corona treatment, water-based primer, four-color printing and UV curing (80mJ/cm²), the 1000-hour weathering test (ΔE = 1.8) is passed, and there is no cracking after 50 cycles at -40℃ to 80℃, meeting the harsh environmental requirements of the automotive engine compartment, which fully demonstrates the important role of post-processing technology in improving the durability of water-based inks.
