Kev paub txog kev hloov tshuab luam ntawv thiab cov ntawv sau
Peb yog ib lub lag luam loj hauv Shenzhen Tuam Tshoj. Peb muab txhua phau ntawv nthuav tawm, cov duab thaij duab, cov duab kos duab, cov tsiaj ntawv, lub thawv ntawv, daim ntawv qhia hnub, txhua yam ntawm PVC, cov khoom ntawv, ntawv sau, Cov menyuam phau ntawv, cov ntawv nplaum, txhua yam ntawv tshwj xeeb xim xim luam ntawv, daim card cardand li.
Yog xav paub ntxiv, thov tuaj xyuas
http://www.joyful-printing.com. HMOOV nkaus xwb
http://www.joyful-printing.net
http://www.joyful-printing.org
email: 860681365@qq.com
Cov pigments lossis dyes raug luam tawm ntawm ntawv, roj hmab los yog lwm yam khoom thiab ces muab xa mus rau cov khoom muag. Hloov luam ntawv yog hu ua hloov luam ntawv. Nyob rau ntawm qhov kev txiav txim siab nqaim, hloov luam tawm hais txog lub tshuab luam ntawv siv xov yas siv xov hlau hnav ua ib lub cab kuj. Hloov cov luam ntawv yog siv rau cov khoom siv hluav taws xob polyester. Nrog kev txhim kho ntawm kev hloov cov ntawv luam tawm, nws kuj tau siv ntau nylon, acrylonitrile, paj rwb, hemp thiab ntaub plaub daig.
Hloov ntaub ntub luam ntawv, qhuav, qhuav, nqus tsev, cua sov thiab lwm yam ntaub ntawv. Kev hloov cov txheej txheem luam tawm tau tseeb los tsim cov qauv thiab pab txhawb kev tsim khoom, thiab txoj haujlwm yog qhov yooj yim. Hauv particular, tom qab luam ntawv txoj kev kho mob yuav yooj yim dua cov kev luam ntawv thiab dyeing, thiab kev luam ntawv yog tib yam li cov luam ntawv thiab dyeing, thiab yog li ntawd, muaj ntau lub peev xwm los hloov cov ntawv qub. Txawm li cas los xij, feem ntau cov luam ntawv thiab zuaj nroj tsuag hauv Suav teb tseem siv cov kev luam ntawv thiab cov yeeb yaj duab, thiab tsuas yog siv ntau ntau yam khoom siv hloov mus luam tawm ntau lawm.
Nyob rau ntawm tam sim no, ntau hom kub-tawv reins siv ntxiv rau polyester, polyamides, yas acetate copolymers, thiab polyurethanes. Lub ntsiab feem ntawm polyester kub qhuav nplaum yog ib tug polyester cob, thiab polyester cob yog polybasic acid. Nws yog muab los ntawm cov esterification ntawm polyols. Polyamide kub yaj nplaum nplaum muaj zog ua kom muaj zog, muaj zog, tsis kub tsis txias thiab nylon ntaub affinity, thiab yog tsim los npaj cov ntaub lis ntawv hloov ntaub ntawv. Ethylene-vinyl acetate copolymer muaj qhov taw qhia tsis tshua muaj melting thiab muaj zog adhesion. Nws yog tsim rau kev hloov cov ntawv luam tawm tom qab ntxiv cov lej luam ntawv. Polyurethane kub qhuav yaj yog siv los tawv thiab cov yas yas hnab yas. Hloov Cov Ntaub Ntawv Vim tias cov ntaub txawv txawv yuav tsum muab luam tawm, nws yog qhov zoo tshaj plaws los siv txoj hauv tsev tsim hluav taws kub.
Ua ntej, cov yam ntxwv ntawm kev hloov cov txheej txheem luam tawm
(1) Hloov cov qauv luam tawm qauv muaj cov qauv ntawm cov qauv vivid, cov qauv qhia tseeb, cov khaubncaws sab nraud povtseg, thiab lub tswvyim zoo rau peb. Hloov cov ntaub ntawv luam tawm tau luam tawm scenery scenic thiab artistic qauv.
(2) Kev hloov cov khoom luam tawm muaj cov qauv ntawm cov qauv yooj yim, cov chaw me me, cov peev hauv kev lag luam thiab kev siv nyiaj txiag. Vim hais tias cov cuab yeej yog tsis nruj, nws yog tsim rau txhua hom luam. Tsis tas li ntawd, tom qab hloov luam ntawv, nws tuaj yeem muab ntim thiab xa tsis tau tom qab ua tiav.
(3) Tsis muaj ib qho teeb meem muaj kev piam sij hauv kev hloov luam ntawv. Vim kev ua haujlwm qhuav, tsis tas siv cov dej ntxuav, ua kom qhuav, ziab, thiab lwm yam, tsis muaj pa roj thiab dej khib nyiab tawm.
(4) Hloov cov luam ntawv muaj qhov zoo ntawm kev ua haujlwm siab, kev txuag nyiaj thiab haujlwm yooj yim.
Thib ob, hloov tshuab luam ntawv
Hloov cov luam ntawv yog siv rau polyester ntaub. Nws yog los ntawm kev kub siab (200 ° C los yog li) kom cov xim zas ntawm cov zas rau hauv cov roj theem condensed polyester qhov chaw, thiab ces infiltrated rau hauv cov amorphous fiber hauv amorphous cheeb tsam, tom qab cov cua txias fixation txujci.
Qeb peb, cov ntawv yuav tsum hloov xim luam ntawv
Rau disperse dyes siv hloov daim ntawv luam tawm, qhov kub sublimation yuav tsum qis dua qhov nruab nrab ntawm qhov chaw ntawm cov tshuaj macromolecules thiab qhov tseem ceeb tsis ua rau lub zog ntawm cov ntaub. Kev ntsuas kub tsis txaus rau cov hluav taws xob polyester muaj li 180-2-2 ° C. Nyob rau hauv no kub ntau, dyes nrog sublimation muaj ib tug molecular luj ntawm 230-270. Nws muaj feem ntau peb hom disperse dyes muaj ib lub luj ntawm molecular rau hauv cov kab no.
Dyes ceev dyeing disperse dyes: Thaum ntsuas kub li ntawm 180 ° C, xim plaub hau tuaj yeem sublimated, qhov kub tau nce, xim tuaj yeem hloov, thiab ntug tau osmotic.
Zoo disperse dyes: Cov xim yuav sublimated hauv qhov kub thiab txias ntawm 180--210 ° C. Cov plaub hau xim nkhaus yog tiaj tus. Cov nyhuv ntawm kub ntawm dyeing yog tsis zoo. Nws yog ib qho haum disperse zas rau kev hloov luam ntawv.
Cov Ncauj Ntev Dlees Ua Ntej: Nyob rau hauv 180--210 ° C, dyes tsis tuaj sublimate thiab xim zoo. Yog tias koj nce qhov kub thiab txias, koj tuaj yeem tau txais cov plaub hau xim zoo. Cov dyes no muaj kev vam khom siab rau kub thaum dyed.
Raws li cov xwm txheej saum toj no, cov dyes tsim nyog rau kev hloov cov ntaub ntawv luam tawm yuav tsum muaj raws li cov hauv qab no:
(1) Lub dyestuff rau kev hloov cov ntaub ntawv luam tawm yuav tsum yog siab sublimated hauv qab 210 ° C, tsau cov kav hlau, thiab tuaj yeem tau txais kev ntxuav zoo thiab ceev ceev.
(2) Kev hloov cov ntawv luam tawm tuaj yeem tuaj yeem siab sublimated thiab hloov mus rau hauv cov roj-theem qoj macromolecules thaum rhuab, condensed rau ntawm cov ntaub ntom, thiab yuav diffuse rau hauv lub fiber ntau sab hauv.
(3) Cov dyestuffs uas siv rau kev hloov cov ntaub ntawv luam tawm muaj qes zog rau cov ntaub ntawv hloov tsheb thiab muaj kev sib haum xeeb rau cov ntaub.
(4) Hloov cov ntawv luam tawm dyes yuav tsum muaj xim, ci xim.
Qeb plaub, cov xim xim luam ntawv hloov ntawv
Feem ntau ntawm cov ntaub ntawv luam ntawm kev hloov cov ntawv luam tawm siv luam ntawv thiab kuaj cov txheej txheem thiab cov khoom siv. Cov lus ntawm cov xim muaj xim muaj xws li zas, cov cab kuj, thiab ib phau ntawv. Kev npaj ntawm cov xim muaj xim yog muab sib xyaw saum toj no peb lub thawv thiab hliv rau hauv lub pob zeb los yog peb-yob txhawm rau zom zas xim kom cov zas qis yog sib npaug hauv cov xim cuav.
(A) Carrier Lub luag hauj lwm ntawm tus cab kuj yog muab faib rau xim zas xim rau hauv cov xim xim thiab xa cov xim tawm ntawm lub tshuab luam ntawv mus rau cov ntawv xa tuaj. Cov khoom yuav tsum muaj cov nqi qis, tsis muaj kuab lom, tsis muaj cov khoom siv hluav taws xob. Raws li qhov no yuav tsum tau, cov dej yog qhov feem ntau haum. Txawm li cas los xij, cov ntaub ntawv hloov chaw yog tsim los ntawm cellulose. Thaum twg dej siv los ua tus cab kuj, cov fibers yuav nthuav dav, ua rau cov qauv deformation zoo zoo, thiab vim muaj dej tsis zoo, kev ceev ceev yog qhov nyuaj. Piv txwv, thaum siv cov tshuaj solvent, daim ntawv tuaj yeem luam tawm nrog cov qauv zoo thiab muaj lub caij ua kom haum, uas zoo rau qhov zoo ntawm kev siv ntau dua. Txawm li cas los xij, muaj qhov tsis zoo ntawm tus nqi siab thiab kev kub ntxhov. Ua tib zoo siv thaum siv. Roj tsheb, xws li cov npau npau npau npau roj, kuj tuaj yeem siv tau. Txawm li cas los xij, cov roj kub kub npau npau ua rau lub zom zaws kom ntxaum mus rau hauv daim ntawv hloov, uas cuam tshuam qhov hloov ntawm cov zas tuaj rau ntawm daim ntaub.
(B) Adhesives Adhesives yog cov khoom uas tswj cov viscosity ntawm cov xim muaj roj. Yog hais tias tus nqi ntawm lub binder tsawg dhau lawm, cov xim ntawm cov xim xim tsis tuaj yeem lav, ua rau cov ntaub ntawv luam ntawv tsis zoo, thiab siv ntau tus siv phau ntawv, kom qhov hloov ceev ntawm cov zas ntawm daim ntawv hloov mus rau ntaub yog slowed down, uas ua rau nyob rau hauv residue nyob rau hauv cov ntaub ntawv hloov. Ntau ntau zas. Raws li kev siv cov cab kuj, cov ntawv yuav tsum raug xaiv cais. Thaum dej siv los ua lub tsheb, cov khoom siv hluavtaws alonine lossis carboxymethyl cellulose feem ntau yog siv rau kev sib txuas lus: ethyl cellulose tuaj yeem siv los ua ib lub binder thaum siv tshuaj los yog roj los ua ib lub tsheb.
Thib tsib, hloov cov ntawv luam ntawm cov ntaub ntawv xa mus
Thaum muab cov ntaub ntawv hloov luam ntawv xa tawm, kev siv cov ntaub ntawv xa mus yuav tsum muaj cov yeeb yam nram qab no:
(1) Muaj lub zog txaus;
(2) Qhov sib ze rau cov xim cuav yuav tsum yog me me, tiam sis daim ntawv hloov ntaub ntawv yuav tsum muaj kev pab zoo rau ntawm tus cwj mem;
(3) Daim ntawv hloov ntaub ntawv yuav tsum tsis txhob deformed, brittle, lossis daj thaum lub sij hawm luam ntawv.
(4) Daim ntawv hloov ntaub ntawv yuav tsum muaj kev nqus dej kom zoo. Kev tsis zoo los ntawm kev hygroscopicity yuav ua rau muaj xim thaub qab tuaj tos; ntev li ntawm cov hygroscopicity yuav ua kom deformation ntawm cov ntaub ntawv hloov ntaub ntawv. Yog li ntawd, nws yog ib qho tseem ceeb rau kev tswj xyuas qhov muab tub lim thaum tsim khoom. Nws yog tsim nyog siv lub semi-filler nyob rau hauv daim ntawv kev lag luam.
Raws li cov kev cai saum toj saud, daim ntawv hloov ntaub ntawv yuav tsum ua raws li cov qauv hauv qab no:
Hygroscopicity 40-1-100g / m2
Dua lub siab lub zog txog 100kg / 5x20cm
Ua tsis taus pa 500 --- 2000l / min
Qhov hnyav 60-70g / m2
Ph nqi 4.5--5.5
Tsis muaj av
Cov ntawv xa tuaj yog tsim los ntawm softwood pulp. Ntawm lawv, tshuaj pleev xim plawv thiab txhua yam khoom siv dag zog yeej zoo ib yam nkaus. Qhov no yuav ua kom paub tias daim ntawv yuav tsis tshuam thiab daj thaum nws ua tiav thaum muaj kev kub ntxhov.
Sixth, luam ntawv xa ntawv hom
Cov ntawv luam ntawm cov ntawv paj yog cov txheej txheem uas muaj tus qauv sau rau ntawm ib daim ntawv hloov xa los ntawm ib txoj kev uas muaj xim muaj xim thiab luam tawm. Tam sim no, hloov cov ntaub ntawv luam tawm feem ntau tau luam tawm los ntawm txoj kev luam ntawv. Muaj plaub hom kev luam ntawv rau kev luam ntawv: gravure printing, letterpress printing, lithographic printing, thiab screen printing. Cov ntawv luam tawm tau luam tawm siv gravure printing thiab zoo nkauj tshaj plaws sau rau hauv gravure. Qhov screen printing yog tsim rau cov luam ntawv ntawm cov khoom me me, ntau ntau hom ntawv luam tawm, thiab tuaj yeem ua rau lub tshuab luam ntawv thiab dyeing cog. Nws muaj cov yam ntxwv ntawm tus nqi qis, ceev ceev, nplua nuj xim, thiab haujlwm yooj yim. Txawm li cas los xij, vim yog siv cov kua dej-soluble hauv npo luam tawm txoj kev, qhov qauv ntawm peb lub voj voog thiab cov ntsiab lus ntawm daim ntawv qhia floral tsis zoo, thiab tus qauv yog ntxhib, thiab cov yam ntxwv ntawm kev hloov cov qauv tsis tuaj yeem pom tshaaj tawm.