Ua ntej, txheej txheem txheej txheem thiab cov yam ntxwv
Sublimation hloov luam ntawv yog ib txoj kev los ntawm kev luam ntawv tshwj xeeb zas xim luam tawm mus rau sublimation ntawv, tom qab ntawd los ntawm cua kub / tshuab pa, tshuab luam xim hloov mus rau daim ntaub. Tshwj xeeb, nws yog raws li sublimation cov khoom ntawm disperse dyes, disperse dyes xaiv sublimation qhov kub thiab txias ntawm 180 ~ 240 ℃, cov slurry tau sib xyaw nrog cov xim inks, nyob ntawm tus qauv / tsim qauv. Luam tawm txoj kev xim xim luam tawm mus rau sublimation hloov daim ntawv. Cov qauv luam tawm, cov qauv ntawm cov xim sublimation ntawv nyob rau hauv kev sib cuag nrog cov ntaub, tus kov 10 ~ 30s hloov luam ntawv tshuab ntawm 200 ~ 230 ℃, tom qab diffusion rau sab hauv daim ntaub, kom ua tiav lub hom phiaj xim. Ntxiv rau kev zas xim sublimation cov txheej txheem kev qhia diffusion nyiam mus rau hauv pem teb hauv qab dyed sab Sublimation inkmainly los ntawm South Kauslim thiab Ltalis nqi kim) kev siv thiab kev qhia txog digital luam ntawv tshuab sublimation hloov tshuab hloov chaw ntau dua. Tx ລວມ, zas xim-sublimation hloov tshuab muaj cov yam ntxwv ntawm plaub yam nram qab no:
1. Kev luam ntawv zoo. Siv cov xim-sublimation thev naus laus zis hloov luam ntawv cov qauv zoo nkauj, cov xim zoo nkauj, cov nplua nuj txheej thiab meej meej, kev kos duab siab, peb sab, nws tsis yooj yim los ua lwm txoj kev luam ntawv. Thiab tuaj yeem luam duab thaij duab thiab tha xim duab qauv qauv.
2. Luam ntawv mos, kev pab lub neej ntev. Cov yam ntxwv tseem ceeb tshaj plaws yog sublimation hloov xim tuaj yeem mus rau hauv cov xov paj polyester lossis fiber ntau, cov ntaub ntawv luam tawm xav tias muag muag thiab xis nyob, xav tias muaj cov txheej txheem ntawm tus number case yooj yim. Tsis tas li ntawd, txij li tus number case tau qhuav hauv cov txheej txheem hloov chaw, cov duab ntawm lub neej thiab khaub ncaws ntev li lub neej nws tus kheej, yuav tsis cuam tshuam rau cov ntaub ntawv luam tawm cov tsos ntawm cov xwm txheej hnav.
3. Cov txheej txheem yooj yim. Tsawg nqis peev rau hauv cov khoom siv, siab yooj qhabnias. Thaum sublimation hloov luam ntawv tuaj yeem ua ntau hom xim tsis tas yuav siv, thiab tuaj yeem luam cov haujlwm nyob rau lub sijhawm luv luv raws li cov neeg siv khoom xav tau.
4. Txuag thiab ib puag ncig-phooj ywg. Kev sib txawv ntawm cov ntawv luam tawm tsoos, luam ntawv xim-sublimation hloov luam ntawv yam tsis tau muab cub, ntxuav thiab lwm yam txheej txheem tom qab kho, txuag dej ntau, tab sis tsis muaj dej phwj, txuag kev pab thiab tiv thaiv ib puag ncig.
Ob qho khoom ua tau zoo
(A) number case
Sublimation number case sublimation hloov thev naus laus zis yog cov khoom siv tseem ceeb yog feem ntau yog ua los ntawm cov khoom tawg, cov khi, cov kuab tshuaj thiab cov kuab me me ntawm cov tshuaj ntxiv. Txhawm rau zas xim sublimation hloov thiab muaj permeability zoo. Thiab ncav cuag qee qhov ceev nrawm molecular phaus ntawm 23O ~ 380, sublimation qhov kub ntawm 180 ℃ ~ 240 ℃ feem ntau siv xim hloov luam ntawv anthraquinone dyes, azo dyes thiab cationic dyes. Binder rau dye affinity yog me me, yooj yim rau zas tso tawm roj thiab muaj cov ntawv tsim nyog, kev txuag thiab thermal hloov kho kom haum, feem ntau siv txoj hlua khi yog qhov tsawg viscosity ethyl cellulose, ethyl cellulose, ethyl Trail (EHEC), roj ntev hloov alkyd cob. Cov kuab tshuaj uas siv tau feem ntau yog turpentine, terpineol, cov dej cawv siab npau npau, muaj ntxhiab hydrocarbons, cellosolve.
(B) ntsuas kub thiab sijhawm
Sublimation hloov cov txheej txheem yuav tsum tswj cov kub hauv thaj tsam ntawm 180 ℃ ~ 230 ℃, lub sijhawm yog txog 10 ~ 30s, khaws cia rau hauv lub siab kom tsim nyog ntsuas qhov kub thiab lub sijhawm.
Siab kuj tseem yog ib qho ntawm qhov tseem ceeb ntawm kev hloov mus rau sublimation. Cov ntaub sublimation hloov luam ntawv, piv txwv li, yog tias lub siab tseem me dhau, qhov sib txawv nruab nrab ntawm cov ntaub thiab hloov cov ntawv, yarn puag ncig, ntau tus number case thiab cua roj molecules Fugitive kev sib tsoo, uas ua rau luam ntawv tsis zoo, tab sis kuj yooj yim number case blurs cov kab tuab dua, tawm hauv tus qauv, txawv qhov muag plooj tau pom kev sib txawv; yog tias lub siab tsim nyog, cov xov tiaj tiaj tau nyob nruab nrab ntawm cov ntaub thiab hloov ntaub ntawv haum qhov sib txawv, hloov xim muaj txiaj ntsig, tus qauv ntshiab, cov kab du: Yog tias lub siab loj dhau, cuam tshuam rau deformation, fluff thiab hnyav ntaub morphological hloov thiab lwm yam teeb meem, uas ua rau stubby thiab kom xim tsis txaus. Yog li ntawd, tus tswj lub siab rau kev txhim kho luam ntawv luam tawm qauv, qauv meej, qhov muag pom yog qhov tseem ceeb.
(4) Lwm Yam
Ntxiv rau tus cwj mem, kub, sijhawm thiab lub siab yuav cuam tshuam rau qhov zoo ntawm kev hloov mus rau sublimation, qhov tseeb ntawm cov txheej txheem ntau lawm muaj qee qhov teeb meem tsim nyog ntawm peb cov xim. Ua ntej yog qhov kev xaiv ntawm cov ntawv hloov chaw, ruaj khov zoo, ntseeg siab ntawm tus xa khoom ntawm cov ntawv xaiv yog luam tawm Lub Lag Luam: Qhov thib ob, peb yuav tsum paub tias nyob rau hauv qhov kev hloov ua ntej zas xim inks (ua ntej cua sov thiab nias tus qauv ntawm daim ntawv hloov chaw) thiab a hloov mus tom qab (hloov mus rau tus qauv ntawm cov ntaub) xim muaj qhov sib txawv, feem ntau ua ntej xim hloov xim inks saib tsaus nti thiab npub, tso siab rau qhov kub siab txog 200 ℃ rov qab muab cov xim tseeb, yog li luam ntawv pov thawj yog tsim nyog los nqa tawm ua ntej: Thaum kawg, thaum lub thermal hloov, txhawm rau paub tseeb tias cov kub kub ntawm cov ntawv hloov thiab cov nplaim hluav taws xob tau txuas nrog zoo, tsis muaj qhov sib txawv, txwv tsis pub lub chaw hloov yuav tshwm sim duab tsis meej.
Peb qho kev sib tawg hluav taws xob
(A) Tsis muaj ntawm Gui
Tam sim no, gravure luam ntawv yog ib lub ntsiab thermal hloov luam ntawv ntawv, luam ntawv kom zoo dua ntawm cov qauv no yog yooj yim, paj-hom kev hloov qib muaj zog ntawm cov xwm txheej peb-xwm, qhov tsis zoo yog kim phaj {txhua tsab muaj version ntawm lub hauv paus nqi rau 3000 ~ 50O0 yuan), lub voj voog ntau lawm ntev dua, yog li nws haum tus kheej ntiag tug muaj zog, ntim qis, ntau yam thiab ntau lawm yuav tsum tau ua. Txhawm rau txo tus nqi ntawm cov phaj ua cov nqi txuag nrog kev them nyiaj offset luam ntawv, tshuaj ntsuam luam ntawv, flexo gravure los ua cov neeg muag khoom feem ntau hloov txoj kev tswv yim. Nrog kev txhim kho digital luam ntawv thev naus laus zis, zas-sublimation hloov pauv yog tsis muaj version rau digital kev coj, sublimation inkjet luam ntawv tshuab ua kom sublimation hloov luam ntawv dawb version ntawm cov hom phiaj tau tiav. Sublimation inkjet tshuab luam ntawv yog hais txog lub tshuab luam ntawv me me luam ntawv lossis tshuab loj inkjet ntau hom tshuab luam ntawv tshuab luam ntawv lossis los ntawm sublimation number case thiab sublimation hloov ntawv, tus qauv lossis duab hloov luam ntawv lossis ncaj qha luam ntawv thaum kawg ntawm lub tshuab hloov tshav kub thiab tom qab raug rau cov khoom tawv los yog cov xim tawv xim ua, hloov xim-sublimation hloov luam ntawv. Cov thev naus laus zis no tshem tawm qhov xav tau siv ntau lub sijhawm los tsim cov luam ntawv phaj kom luv luv rau lub voj voog ntau lawm, tab sis kuj txuag tau tus nqi, dav siv nyob rau hauv tus kheej kev muaj zog, qis ntim luam ntawv ua haujlwm, xws li T-shirts, khaub ncaws, ntawv tshaj tawm , nas ncoo, mugs, ntaub pua plag.
(B) Tsis muaj ntawv
Paperless tshav kub hloov luam ntawv feem ntau tseem ceeb tshaj plaws yog hloov pauv substrate tuaj yeem rov siv dua. Ua Ntej; khuv xim xim ua luam ntawv muab tshuaj txhuam, thiab tom qab ntawd los ntawm txoj kev luam ntawv cov qauv luam tawm ntawm cov txheej tshwj xeeb, thiab tom qab ntawd lo nrog cov ntaub los ntawm thaj chaw kub. Cov qauv rau ntawm daim nyias nyias yuav hloov thiab kho rau ntawm daim ntaub kom muab cov ntawv luam tawm tiav. Cov txheej txheem hloov chaw ib txwm muaj ntau daim ntawv hloov pauv kim, thiab siv cov tshiab substrate paperless hloov ntawv thermal hloov thev naus laus zis yog tshem tawm cov nqi ntawm cov nqi qis heev, tab sis kuj los ntawm kev tshem tawm cov ntawv thiab rov ua cov ntawv pov tseg dej thiab cov teeb meem dej ua rau kev txuag kev txuag cov khoom siv dej thiab kev tiv thaiv ib puag ncig ntawm thaj av muaj ib lub ntsiab lus zoo heev. Ntawv tsis hloov thermal txheej txheem los ntawm Beijing Institute ntawm Khaub Ncaws Technology Department of Material Engineering Laboratory npaj siab hloov mus rau tom tshav kub, tom qab ze li kaum xyoo ntawm kev tshawb fawb, ua cov ntaub ntawv tsis cuam tshuam zoo. Lawv tawm tswv yim los hloov cov ntawv hloov xa ntawv tau pom tias tsis tsuas tuaj yeem ua cov ntawv ci txhuas txhuas cov ntawv ci zoo ib yam li cov qauv ntawv, tsim qauv, thiab tuaj yeem ua qauv, cov qauv pauv mus rau hauv cov ntaub, thiab tom qab hloov thermal, tuaj yeem rov siv dua. Yog li no, txoj kev loj hlob zoo ntawm kev hloov pauv ntawv luam ntawv, cov tshuab tsis muaj ntawv yuav tau txais kev sib tsoo loj.
(Iii) rov ua Yong
Muaj cov ntaub ntawv nraaj feem ntau tsuas yog hloov cov ntawv hloov thermal ntawv, cov ntaub ntawv duab ib zaug pauv mus rau hauv lub substrate, nws tsis tuaj yeem hloov pauv ntxiv. Vim li no, ntau cov kev tshawb fawb tuaj yeem tso tawm los tswj cov thermal hloov luam ntawv tshuab ntawm cov ntawv luam yeeb tshuaj, zas xim hloov ntau kom ua tiav ntau cov luam ntawv hloov tau dhau los ua cov ncauj lus ntawm ntau lub tsev tshawb fawb. Kev siv tau zoo ntawm kev hloov ntau yam luam ntawv tuaj yeem tau txais cov nqi hluav taws xob hloov pauv hnyav txuag cov nqi hloov pauv. Cov tub txawg hauv tsev nyob rau ntau lub tshuab hloov xa khoom tau dhau los, Donghua University Chemistry thiab Chemical Engineering Luo Yan li al., Siv microencapsulated disperse dyes rau hloov cov tshuab luam ntawv tshawb fawb. Kev siv microencapsulation thev naus laus zis qhwv disperse lub microcapsules tuaj yeem pom raws li cov khoom lag luam me me cov khoom lag luam, tswj cov khoom tso tawm (piv txwv li tso tawm), txhua zaus hloov pauv tso cov xim zas hloov ntau zaus kom ncav cuag cov xim tsis tu ncua, kom ua tiav ntau lub hom phiaj hloov tsheb. Cov kev tshawb fawb pom tau tias cov disperse dye sublimation hloov number case cov ntawv txiav txim siab ntawm tus naj npawb ntawm kev hloov tsheb, thiab theem siab, tus naj npawb ntawm kev hloov pauv thiab ntau cov ntsiab lus tsawg, hloov sijhawm tsawg dua. Ink Material thiab Khoom Siv Hluav Taws Xob, koom tes nrog Tianjin-Hinge Ink Co., Ltd. tau tsim cov ntsiab lus ntawm cov khoom tawg ntawm Tianjin Polytechnic University, txog 40% number case hloov mus rau 21 zaug, qhov muag ntom ntom ntawm cov qauv tseem tuaj txog O. 62 tau tuaj yeem ua tau raws li qhov yuav tsum tau ua tiav ntawm qhov hloov mus.
Hauv cov ntsiab lus, zas xim-sublimation hloov luam ntawv txheej txheem kev tsim kho tshuab kev lag luam yuav muaj txiaj ntsig zoo rau peb cov ntaub zas thiab luam ntawv kev lag luam hauv daim ntawv thov, tshwj xeeb tshaj yog sublimation inkjet luam ntawv tshuab, yuav dhau los ua tus kheej kev muaj zog, luv luv voj voog, qis-ntim, ntau txoj kev nyiam kev luam ntawv nyob qhov. Cov kab lus no tau txheeb pom los ntawm Tuam Tshoj Network tau sau ntau cov ntaub ntawv, thov mus saib Tsev Kawm Ntawv Kev Lag Luam.