Daim ntawv thov ntawm cov dej-raws li hauv thawv ntawv tho luam ntawv
Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, 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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Hu rau kev tiv thaiv ib puag ncig, txuag hluav taws xob, txo qias tuaj thiab rov ua dua qub thiab muaj kev nyab xeeb. Tuam Tshoj tus ntim luam tawm dej-raws li siv hauv thawj lwm lub hnab ntim tshuab luam ntawv hauv ob peb xyoos nrog 35% ntawm lawv cov kev siv. Muaj ntau hom khoom ntim tshuab luam ntawv ntxiv, tshwj xeeb tshaj yog cov dej hauv tshuab luam ntawv, tshwj xeeb tshaj yog cov qauv kev luam ntawv thiab cov zuj zus ntawm ntau yam kev hloov. Los ntawm cov pob txha npau npau zoo li, dextrin rau shellac, casein, sodium lignin; From rosin-modified maleic acid cob rau styrene-acrylic copolymer cob, txawm polymer emulsion cob nrog plhaub-plhaub qauv thiab network qauv. Lawv tag nrho hu ua dej-based inks tsis muaj kev zam.
Nyob rau hauv Suav teb, cov naj npawb ntawm cov thev naus laus zis siv luam ntawv thiab luam ntawv yog nce txhua xyoo, tshwj xeeb tshaj yog nyob rau hauv daim ntawv teev cov stencils thiab cov yawm saj, tab sis lawv feem ntau yog cov ntawv substrates rau absorbing media thiab yog gravure printing. Hauv particular, yas thiab aluminium ntawv nyiaj substrates siv hauv cov xov xwm tsis-absorbent tau nyuam qhuav nyuam qhuav pom tau hais tias cov cav tov yog cov luam ntawv rau cov ntaub ntawv. Cov kev ua tau zoo ntawm kev siv tshuab no qhia tau hais tias tus lej thiab dej ntxuav tau ua neeg paub tab. Tamsim no, tus cwj mem tau muab txheeb xyuas tias yog "tsis muaj roj toxic" los ntawm US Food and Drug Administration.
Tus lej ntawm txoj kev loj hlob ntawm tus lej ua rau lwm cov ntawv nyuab nyuab heev. Yav tag los, tus number case nyob rau ntawm daim ntawv tsis muaj zog, cov dej tsis haum, tsis zoo adhesion, nyuaj hauv kev thau khoom, muaj suab nrov thiab fading, thiab qhov khoom yog yooj yim rau warp thiab cov tsis sib luag tsis zoo. Qhov no yog qhov zoo heev rau kev txhawb nqa daim ntawv thov ntawm aqueous inks hauv cartons thiab cartons. Tsis tas li ntawd, tus cwj mem muaj cov yam ntxwv tsis muaj hluav taws xob, tsis muaj kev phom sij, tsis muaj tshuaj lom, thiab lwm yam dej thiab siv dej txhawm rau txhim kho cov ntawv drilling thiab ntxuav cov khoom luam tawm, uas txo cov nqi tsim nyog thiab kev khwv noj khwv haus. Thiab los txo cov kev nyab xeeb rau kev tsim khoom thiab kev thauj mus los thiab kev siv ntawm cov koog. Siv tus cwj mem ntxiv zuj zus ntxiv, thiab txawm zoo, tseem muaj qee qhov kev tsis txaus, tab sis qhov kev nyab xeeb pom los ntawm lub lag luam thiab luam ntawv kev lag luam.
Ntau tshaj li kaum xyoo, kua cwj mem thiab ntxuav tau ua ke nrog cov khoom ntim thiab cov ntaub ntawv luam tawm hauv cov ntawv luam tawm thiab cov ntaub ntawv tsim tawm, thiab muaj kev khov kho: 1 Cov yeeb yaj kiab-tsim cov cwj mem ua cim ntxig rau cov xim rau lub substrate . Thiab tus number case yog muab nrog lub cev tsis lo; 2 yuav ua rau tus number case muaj qhov sib txig sib luag, sib kis tau thiab gloss ntawm cov khoom siv luam tawm; 3 muaj cov neeg ua hauj lwm thiab cov khoom ua haujlwm hnyav ua haujlwm: 4 tswj thiab txhim kho cov kabmob kev sib faib thiab luam tawm; 5 muaj peev xwm txaus luam tawm resolubility, tab sis muaj qee yam dej txhawm rau tom qab ziab. Cov cwj pwm pa yog hloov los siv cov dej yooj yim-soluble polymer compound xws li casein, shellac, polyvinyl cicicin los sis zoo li ib tus lej yuag phau ntawv, uas yog tsis tiv taus kev txhuam thiab dej. Vim li no, rau lub teb chaws hloov suab paj nruag thiab cov tshuab ua kua gravure, ink number case xws li acrylic acid thiab polyacrylic acid vinegar tau siv, uas tau los ntawm cov glycol yav dhau los (uas metabolize los tsim teeb meem tshuaj xws li alkoxyacetic acid). Hloov los ntawm cov propylene glycol ether series (metabolism los tsim cov qoob loo uas yuav luag tsis muaj cov kab mob uas muaj cov kab mob uas yuav tsum muaj cov kab mob qaub ncaug thiab cov dej, cov tshuaj lom neeg muaj tsawg tsawg. ) los npaj cov ntawv tsis muaj kuab lom. Feem ntau ntawm cov tom kawg yog tam sim no siv.
Kev txheeb ze ntawm kev luam ntawv thiab kev kub ceev thiab lub zog
1. Cov dej-raws li cov ntaub ntawv luam tawm dej uas muaj cov ntawv sau rau hauv cov ntawv sau thiab cov nplooj ntawv tig rau cov hnab ntawv, cov ntawv, cov ntawv ntim, cov ntawv ntim, cov ntawv luam yeeb, thiab ntau tshaj kaum xyoo. Txawm hais tias cov ntawv nyeem uas siv los ntawm cov roj pleev siab uas ua los ntawm lub siab tawv polymer acrylic cob tau tuaj yeem ua raws li cov kev cai luam tawm ntawm cov khoom siv qib siab uas muaj cov ntaub ntawv kom zoo, nws yeej pom zoo kom siv cov dej tsis pub dawb UV.
2. Kev ntsuas kub thiab av noo ntawm qhov kev ua haujlwm luam ntawv muaj kev cuam tshuam zoo rau kev zij ziab thiab cov xim ntawm cov ntawv luam tawm lub cuav. Kub yog qhov tseem ceeb tshaj tshwm sim rau oxidative polymerization, volatilization, thiab muaj zog number case film. Yog li ntawd, nyob rau lub caij ntuj so thiab lub caij ntuj no yav qab teb ntug hiav txwv thiab thaj chaw qaum teb, qhov sib txawv ntawm gloss tom qab number case ziab thiab zaj duab xis tsim muaj txog 1 lub sij hawm. Hauv ob qho xwm txheej twg qhov nruab nrab ntawm qhov ntub dej ntawm 95% thiab 65%, lub sij hawm qhuav yuav luag ob zaug, thiab lub pob txha thiab pH ntawm daim ntawv thiab lub thawv ntawv nws ncaj qha rau lub sij hawm ziab ntawm cov ntawv luam tawm.
3. Acidity yuav ncua kev tsim cov oxidative polymerization thiab volatilization ntawm tus cwj pwm film. Ntev ntau alkalinity yuav ua rau ntub thiab txhaws, uas yuav cuam tshuam rau qhov adhesion ntawm tus cwj pwm mus rau saum npoo ntawm cov ntawv luam tawm.
4. Vim tias oxygen los yog tshuab nplaum los yog ci yog ib qho tseem ceeb uas txhawb nqa oxidative polymerization thiab volatilization ntawm khov nab kuab, cov cim ntawm qhov cua hauv chav txawb thiab txoj kev uas cov luam tawm tau raug teem kuj tseem ceeb rau kev zij kom qhuav ntawm cov khoom luam tawm.
Ua rau thiab muaj teeb meem ntawm tus number case thiab ntxuav
1. Hawj tsis pub. Tus cwj mem kua ntiv taw yog tsis tshua muaj qis los yog cov ntsiab lus hauv cov xaum xaim hauv cov xaum xauv me me los yog xim tawv xim yog deviated. Tus number case yog tshuaj xyuas thiab ntxhua lub sijhawm thaum luam ntawv, thiab qhov hloov tsis zoo. Tuaj tus thawj tus cwj mem, kho cov ntawv drilling, muab cov ntawv number case thiab luam tawm, thiab saib seb daim ntawv luam ntawv thiab tus cwj mem xaws npo yog laus zuj zus.
2. Qhov ua kom tsis ruaj khov yog tsis ruaj khov. Tus cwj mem yog thixotropic, foaming, thiab qhov hnyav yog qhov tsis taus. Tus cwj mem yuav tsum tau muab sib tov sib npaug thiab ntxiv nrog ib qho nqi ntawm tus neeg ntxeev siab (0.2%) kom ntxiv ib qho tsim nyog hnyav kom ua tiav qhov nyiaj tshuav tsawg.
3. Tsis zoo nkauj kom qhuav. Lub luamyeeb tsis qhuav losyog nplaum nyob rau lub sijhawm. Tus number case yog cov drilled heev, thiab cov ntaub ntawv tsis zoo los yog cov ntaub yas thiab cov ntaub npog tsis dhau absorbed. Dilute tus number case, kho lub siab ua kom siab kub ntawm qhov tshuab los tshuab ziab, los yog siv lub cim ceev ziab. Los yog kho cov dryness. Hloov substrate los hloov qhov ntiav version.
4. Daim qauv qhia txog qhov txawv txav. Lub high-profile qhov ntawm daim duab yog qhov muag plooj. Cov teev yog faint thiab lub suab nrov ploj lawm. Qhov zoo tshaj ntawm cov ntawv xov xwm tsis yog siab. Cov phom luam ntawv thiab tus cuav quav caws pliav yog nyob ze nrawm, tus lej ntawm tus cwj mem yog loj, thiab tus number case yog cov ntxhib ntxoo thiab tus cwj mem yog ziab sai heev thiab cov nplawm yog pluag. Cov ntaub qhwv yuav tsum sib npaug los kho lub siab ntawm lub tshuab luam ntawv. Thaum kho tus cwj mem nkag rov qab, cov dej thiab dej caw yuav tsum tov kom zoo zoo rau tus cwj mem thiab kho qhov cua qhov cua. Tsis txhob tshuab rau rooj plaub, ntawm tus number plob tsis so, thiab nce qhov ceev ntawm scrubbing dej muaj monoethanolamine los yog ntxiv 0.2% dimethicone los yog nce qhov kev faib ua feem ntawm tus neeg saib xyuas txuas.
5. Daim duab yog crushed sab nraum lub cuav tus duab thaij duab. Qhov zoo ntawm lub phaj yog mos heev los yog lub ncoo yog ib qho dhau heev lawm. Kev tiv tauj siab yog siab dhau. Tus number case yog tsawg heev thiab tus number case tsawg dhau. Ncua lub phaj los kho qhov siab ntawm lub phaj los kho lub siab los yog cov ntawv qhia kev luam ntawv ntawm lub taub hau siab, kho cov ntawv drilling los hloov tus number case nrog kev kub siab los yog hloov tus number case nrog cov nyom dua thiab tubntxhais cov xim.
6. Hloov pov tseg. Lub tshuab luam ntawv tsis txaus, qhov nyuaj ntawm lub phaj luam yog siab heev, cov dej tsis ua haujlwm ntawm daim ntawv yog qhov muaj zog heev, thiab tus cwj mem xaws khaus thiab tuaj yeem deteriorates. Nce qhov nias siab uas siv cov kua roj carbon dioxide los xyuas cov hlua khau rau cov tub ntxhais hnav coj ntxiv rau TM-20. Tus neeg sawv cev rau tus neeg sib tw. Hloov cov hlau anilox yob uas thaiv cov hnav.
7. Nws tsis yooj yim rau overprint, thiab cov xim multi-colour overprinting lub tes tsho tsis pub. Thawj xim kua number printing luam tawm loj heev. Thawj tus cwj mem xim dries dhau lawm. Qhov thib ob xim luam ntawv siab yuav tsum tau nce, thiab thawj xim luam ntawv siab yuav tsum yog lub teeb. Muab tus nqi ntawm TM-200S tus neeg saib xyuas txoj cai tsis pub tshaj tawm Tus zais ntawm cov xim thawj xim yuav tsum raug txo kom tsawg dua thiab cov xim ntawm tus thawj xim tawv nqaij yuav tsum tau kho los yog ob lub xim yuav tsum muab luam tawm thaum cov xuab zeb duab tsis qhuav (overcoming vitrification saum npoo ) Lub phaj swells thiab cov nyom los hloov daim ntawv.
8. Cov cwj mem muaj foamed, thiab cov npuas dej npau ntaws tom qab tus cwj mem muaj ntus hauv tus cwj mem ntawm lub tshuab luam ntawv. Cov kua xuav kua mis ua kua roj suppressant muaj cov cim txav tsis txaus, cov dej loj dhau lawm, lub twj tso kua tsho ntau dhau lawm, thiab cov yeeb nkab xoos kua xau dhau lawm. Ntxiv ntawm cov tshuaj defoamer (0.2% yog qhov zoo tshaj plaws tov nrog ob lub taub pleev xim rau sab hauv thiab sab nraud) kom txo cov twj ntawm lub twj tso kua mis kom rov zoo dua tus cwj mem tshiab kom nws tsis txhob siv lub raj tshuaj ntsuam xyuas kom tsis txhob muaj pa tawm.
9. Tshuaj pinholes. Ntxiv cov tshuaj tiv thaiv tus kabmob ua rau dhau, tus number case yog ntau dua thiab tus lej-qes-kheej yog ib yam nkaus. Nco ntsoov tias txog 0.2% ntawm tus neeg sawv cev ntawm tus neeg ua npau nti yog ntxiv. Nws yuav tsum tov nrog tus thawj tus cwj mem thiab tom qab ntawd rov luam dua.
10. Cov ntawv phom npog. Kev sib cuag ceev dhau heev lawm, lub xov tooj hnyav dhau lawm, los yog kev ntxhib los mos ntawm lub phaj yog qhov muaj zog heev. Kho tus neeg hu xov tooj, kho lub siab ntsaws los hloov lub phaj los yog lub ncoo 3 hli yas ua npuas ncauj nyob tom qab lub phaj.
11. Ua ntej tuaj. Siv cov lus qhia tsis meej (muaj qee lub cev muaj zog tuaj yeem pib koom ua ib qho kev sib sau ua ke). Mixed nrog lwm hom inks, tsis cia, xim colorants nyob rau hauv tus number case, tus number case rau ib lub sij hawm ntev. Ntxiv li 2% silica gel los yog 0.3% TM-200 tus neeg saib xyuas nrog ib qho hnyav uas muaj dej zoo, thiab muab khi thiab khaws cia rau cov khoom ua si.
12. Nqa cov tawv nqaij / khaus ntawv luam tawm khib nyiab thiab tom qab ntawv luam tawm khib nyiab. Kev sib txuam tshwm sim rau ntawm tus pas nrig hloov thiab cov yeeb yaj kiab yog sib tawb tawm kom ua rau tsis zoo. Tus cwj mem qhuav qis qeeb qeeb heev, qhov luam ntawv ceev ceev dhau los, thiab qhov cua sov cua kub tsis dhau. Hloov cov cwj pwm nyuab dua thiab ntxiv ib qho hnyav uas ua kom qhuav sai sai (ethanol los yog acetone) kom qeeb rau kev ceev ceev thiab ua kom cua ntim.
13. Foos los yog xim Cov xim ntawm tus number case ploj thaum luam ntawv los yog teeb. Cov cwj mem kua number case yog cov xim thiab tshem tawm cov xim tsis haum (acidic thiab alkali-resistant). Cov cab kuj yog ib yam nkaus thiab acidic. Tus number case pigment tsis yog tshav kub-resistant. Siv tus cwj pwm kom zuaj ziab los yog dye-dried daus. Cov pigment yog ua los ntawm tshav kub-resistant thiab ruaj-resistant pigment, thiab hloov cov xim tsis muaj kob uas tsis muaj kob tshuaj. Ntxiv inorganic mica hmoov los yog anti-ultraviolet absorber los yog antioxidant rau 0.1% mus rau 0.3%.
14. Kab kua txiv kab ntxwv. Cov ntawv luam tawm tsis ploj. Lub plhaub taum plhaub cov cuab yeej tsis zoo, cov yas thauv tawm ntau dhau, thiab thixotropy loj heev, qee zaum cov vas tau qis, daim ntawv tsis ncaj, tus cwj mem kua ntawv loj heev, lub tshuab luam ntawv yog ib yam nkaus thiab nyias muaj nyias loj heev. Hloov lub plhaub twm dua, txo cov luam tawm thiab hloov cov dej tsis huv ntawm tus cwj mem zoo. Siv tus cwj mem kua opaque. Hloov cov npoo ntawm qhov zoo-zoo substrate kom nce qhov nyiaj kom puv (xws li cov hmoov mis yuav tau tiv thaiv kev sinking thiab txhim kho leveling). Hloov cov cwj mem xaj nrog ib sab viscosity. Tsis txhob dilute cov xim kom txo tau hluav taws xob zoo li qub.
15. Lub plab hnyuv yog muab (pulverized). Tom qab luam tawm, txav los yog muab pov thawj, tus number case stints cov luam tawm thiab cov ntiv tes. Tus cwj mem tsis zoo muab kho kom txo tau lub pob cwjpwm los ntawm cov kua xauv lossis lub plhaub taum ntawm cov kua xauv npog thiab cov phom tsis yog, tab sis cov ntaub ntawm cov kua phom sij yog cov pluag tsis zoo, daim ntawv tseem ntxhib heev los yog txhuas thiab yas ntsa yog dhau lawm. Ua kom cov kab ntawv cob qhia yuav ua rau cov dej muaj txiaj ntsim kom ntau li ntau tau kom sib npaug cov ntsiab lus nrog kev txheeb xeeb.
16. Kev ua siab tsis zoo. Dej resistant, lub teeb thiab puas, thiab alkali resistant. Siv tus cwj pwm tsim nyog "Tus nqi pH ntawm tus cwj pwm muaj zog yuav tsum tau tswj ntawm 7 thiab 7.5! Hloov cov cwj pwm uas tsis muaj zog lossis ntxiv 0.2% tiv thaiv los tiv thaiv UV los sis cov hmoov kua qaub uas tsis muaj zog los siv tus cwj mem kua.
17. Kev thaiv qhov blockage ntawm net. Qhov loj f ntawm ob hnub ntawm tus cwj pwm dov yog zoo li number ploj. Cov kabmob kua xoo ntawm tus cwjpwm hauv lub cev tsis ua rau nruab siab los ntawm alkaline binder thiab yog neutralized thiab tau sau, thiab daim ntawv yog sib xyaw nrog cov ntawv plua plav thiab yas ntim ntaub. Txo cov lim dej siab printing kom kho cov lej. Siv cov pigment alkali-resistant thiab alkaline nquag additives, thiab ntxiv thawj tus number case nrog cov viscosity tsim nyog rau tus number case uas tau luam tawm rau kev kho kom haum xeeb.
Kev paub txog cov cwj mem kua ntim quav thiab cov txheej txheem luam ntawv
1. Tom qab luam ntawv, lub tshuab luam ntawv, xim cuav quav thiab luam ntawv phom yuav tsum muab ntxuav kom huv si. Cov dej khib nyiab yuav tsum tau kho. Tus cwj mem kua number case yuav tsum sib khi thiab ntim rau kom tsis txhob ntog hauv av. Nco ntsoov tias tus lej yuav muab sib cais tam sim ntawd tom qab cov dej kua qaub thiab cov kav hlau xeb.
2. Lwj yuav tsum muab khaws cia rau hauv qhov chaw txias kom tsis txhob raug kev puas tsuaj. Txawm hais tias nws yog dej-based, nws yog txwv tsis pub mus rau qhov chaw tua hluav taws vim tias muaj cawv nyob hauv qhov hnyav kom tiv thaiv tau cov neeg tawg rog tsis so.
3. Tom qab qhib lub thoob (lub npov), nws yuav tsum muab ceev cia. Tsis txhob coj cov khoom tuaj, thiab siv nws nrog tus qhib. Tiv thaiv cov amine thiab ammonia ntawm tus number case uas los ntawm kev tsis ruaj tsis khov tom qab raug volatilized. Cov ntawv ntim cov pob tshab (cov kaus poom, cov thawv) tsis tuaj yeem tiv thaiv kom tsis txhob cuam tshuam ntawm cov kab mob ultraviolet thiab ua rau tsis muaj zog nyob hauv cov roj.
4. Yog lub ci ntsa iab tsis kaj lug, nws tuaj yeem kho dua los ntawm kev ntxiv tung roj los yog polymer reen plus acrylic rein los yog ntxiv magnesium ntsev lossis tus neeg saib xyuas TM.
5. Yog tias tus cwj mem tsawg heev, lub cev tsis muaj zog, qhov yooj yim yog yooj yim los yog luam tawm yooj yim. Ib qho pheej yig aluminium ntsev los yog cov pa roj carbon dawb los sis bentonite yuav muab ntxiv rau hauv ib qho nyiaj uas tsim nyog.
6. Cov xuab zeb qhuav ntawm tus cwj pwm (xws li 100-second qhuav embossing rau 3-5 vib nas this) nyob ntawm txheej txheem ntawm gravure, embossing thiab silk screen printing.
7. Rau cov dej-soluble printing inks uas yooj yim los ntxuav, ntxiv triethyl sulphate lossis TM-2005 coupling agent, thiab thaum kawg ntxiv pheej yig LLJ tag nrho cov hom phiaj los txhim kho kua number case rewetting los yog nce tus nqi ntawm cov cwj pwm kom txo tau cov xim piv txwv. Cov cwj mem muaj peev xwm rov muab dua los ntawm cov kab nrig ntawm cov ntaub ntawv khov kho. Cov cwj mem xaws xua thaum tu cov ntawv luam tawm, ntxuav lub phaj luam ntawv, ntxuav tus cwj mem xaws ntawv thiab tu lub thoob thoob kom huv si los ntawm kev lim los yog nkag rau hauv av. Tsis txhob muaj kuab paug nyob hauv thaj chaw.