Kev Mechanism ntawm Thermal CTP Phaj
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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Cov ntaub ntawv qhia tau tias CTP phaj hauv 2003 txheeb txog 30% ntawm lub thoob ntiaj teb phaj, thiab yuav tsum ncav ntau tshaj 60% ntawm 2007. Ntawm lawv, thermal CTP tshuab tam sim no yog qhov loj tshaj ceev. Thoob ntiaj teb thermal CTP ntsia tau peev nyiaj rau li ntawm 60% ntawm tag nrho, thiab nws tso nyiaj ntau tshaj 55% hauv Suav teb. Yog vim li cas thermal tshuab tau tsim sai heev yog tias nws muaj qhov zoo ntawm kev luam siab ua haujlwm siab, kev daws teeb meem thiab chav ua hauj lwm chav ua hauj lwm, thiab pom zoo raws li kev txhim kho kev lag luam hauv CTP yav tom ntej.
Muaj ntau hom thermal CTP daim hlau tau tsim los ntawm cov chaw lag luam hauv lub ntiaj teb uas nrov tshaj plaws. Lub thermal version of CTP muab faib ua ob hom: qhov duab tsis zoo thiab hom duab zoo. Lub CTP version ntawm cov duab tsis zoo yog cov raug thaum cov infrared xa tuaj, thiab qhov duab zoo yog qhov tsis nruam nrawm. Tsis tas li ntawd, CTP phaj uas tsis tas yuav tsum muaj kev txhim kho tom qab raug raug hu ua tus txheej txheem-dawb, thiab tam sim no yog qhov chaw kub rau ntau tus neeg siv phaj. Lub hom phiaj ntawm qhov thermal CTP version yog ntau yam, thiab cov CTP version tau muab cais tawm raws li nws qhov txawv. Cov nram qab no piav qhia txog kev txheeb xyuas thiab kev siv ntau yam thermal CTP daim hlau.
1, cov khoom siv thermal-type thermal CTP phaj khoom
1.1 Heat-crosslinked tsis zoo duab CTP version pre-heated ua ntej txoj kev loj hlob
Qhov no yog qhov khoom tsim tau tshaj plaws, kev siv tshuab yog kev paub tab, kev lag luam, kev ua haujlwm thiab daim ntawv thov. Tam sim no, tag nrho cov phom lwm tus neeg muaj ntau lawm.
Xws li cov paib no feem ntau tsim los ntawm cov txheej txheem ntawm lub tsho kub hnyiab rau lub granulated thiab anodized lossis coated polyester substrate. Lub tshav kub kub txheej feem ntau muaj xws li ib zaj yeeb yaj kiab uas ua qauv, ib tus neeg sawv cev ntawm tus neeg sib tw, ib qho chaw ntim ntawm infrared, thiab ib qho photothermal acid generator. Cov duab pom yog: Thaum lub teeb ci qhov muag taws ci ntsa iab, cov duab liab qab ua rau lub zog ua hluav taws xob, thiab cov kua qaub generator generates acid. Nyob rau hauv lub catalysis ntawm cov kua qaub, cov resin nyob rau hauv qhov chaw uas raug hla nkag tau rau ib qho duab latent. Tom qab kho cov cua sov ua ntej, qhov chaw nyob hauv thaj chaw uas raug tawm tsam yog sib txuas ua ke, thiab thaj chaw uas tsis raug cuam tshuam tsis hnov mob. Cov cheeb tsam uas tsis yog raug tshem tawm raug tshem tawm ntawm txoj kev loj hlob.
1.2 qes pib kua number case-insulated negative phaj CTP
Cov pa roj carbon monoxide yog feem ntau tsis muaj dej tsis muaj hluav taws, cov txhuas hauv qhov txheej txheem uas yog ib txheej ntawm hydrophilic hlau oxide, uas yog qhov tseeb thiab tus number case-receptive. Lub qab plag ntawm cov phaj khoom yog ib hom photodecomposable thiab ua hauj lwm raws li cov duab teeb ci ntsa iab thiab ib phau ntawv cob rau cov phaj tsev thiab cov tsho loj sab saum toj. Qhov tsho tiv no yog khaub lig txuas, ntxhib silicone roj hmab uas yog oleophobic thiab tsis nqus cov hluav taws xob hluav taws xob.
Nws txoj kev pom kev yog: Thaum lub teeb ci teeb ci ntom nti, cov txheej hauv qab muaj qhov teeb meem ntawm photodecomposition, thiab qhov adhesion nruab nrab ntawm cov phom ream thiab cov roj hmab ntawm qhov chaw raug tshem tawm, thiab cov roj hmab hauv qhov chaw tawm raug tshem tawm hauv kev txhim kho thiab qhov lwj siab yog ua tiav. Qhov txheej xaum txheej tawm ntawm qhov substrate kom tsim tau ib feem ntawm cov xaj-xim muag.
Tom qab cov kabmob kis tau ntawm kev tshaj tawm xws li siv cov ciav hlau tawm los yog xuas nrawm tu kom tshem tawm cov silica gel. Yog li, lub silicone txheej yuav tau kos los yog kab lig kev cai thaum kev txhim kho rau qhov tsim teeb meem. Tsis tas li ntawd, KPG tau tsim muaj tus txheej txheem-dawb-raws li tus lej raws li CTP version, uas yuav piav qhia tom qab.
2, cov ntaub ntawv zoo thermal Cermal phaj cov ntaub ntawv
2.1 Solubility hloov hom zoo duab CTP phaj khoom
Cov qauv ntawm tej lub phaj feem ntau yog coated nrog ib lub tshav kub rhiab txheej ntawm ib lub phaj kua roj, thiab cov tshooj rhiab tshooj yog tsis muaj teeb meem nyob rau hauv ib qho kev tsim kua alkaline thiab yog kua mem tes. Lub tswv yim yog: Thaum twg cov duab liab qab thaij duab, qhov tshwm sim tawm ntawm lub cev los yog sib hloov ua alkaline dej-soluble, thiab qhov raug tawm ntawm kev tshem tawm los ntawm kev siv tshuaj alkali.
Lub tshuab hlwb hlau yog tias lub tshav kub rhiab txheej txheem yog tsim los ntawm cov yeeb yaj kiab ua-ua duab, ib qho chaw ua haujlwm ntxais, ib qho hnyav resistant thiab lwm tus neeg pabcuam. Ua ntej yuav raug, cov hnyav hnyav tiv thaiv ua ib daim ntawv cog lus nrog hydrogen nrog cov yeeb yaj kiab, uas ua rau muaj kev cuam tshuam cov teeb meem uas ua rau nws nyuaj rau hauv lye. Nyob rau hauv cov ntaub ntawv ntawm infrared kis, lub infrared absorbing tus neeg sawv cev ua kom sov, thiaj li hais tias cov paub tab paub xav yog decomposed thiab ua ke, thiaj li hais tias solubility nyob rau hauv lub lye yog nce mus rau kev tsim duab. Tus txheej txheem no feem ntau pom tias yog ib qho kev hloov ntawm lub cev. Xws li cov duab thaij duab muaj xws li alkali soluble polymers thiab cov ntaiv cov tawv nqaij uas muaj teeb meem ntiv taw uas tsis nkag los ntawm tus tsim tawm.
2.2 Thermal cross-linking CTP phaj nrog lub hauv ntej
Nws cov kab kos duab muaj xws li muaj alkali soluble cob, ib qho latent protic acid, ib tus neeg saib xyuas crosslinking, thiab ib qho quav ntub dej (carbon dub). Lub tswv yim pom yog: Thaum lub teeb meem infrared laser irradiated, qhov tsis paub tseeb ntawm thaj chaw uas tau tuaj yeem tseem khaws tau zoo dua alkali solubility; qhov tsis muaj qhov tshwj xeeb tsis hloov. Thaum cov txheej txheem kho ua ntej kev kho mob ua ntej txoj kev loj hlob, thaj chaw uas tsis muaj qhov tshwj xeeb nkag mus hauv thermal crosslinking curing raws li cov tshuaj tiv thaiv acid-catalyzed (muaj cov latent protonic acid), txo cov alkali solubility; Thaum lub qhov chaw raug nyob twj ywm alkali-soluble. Cov tshuaj alkaline tsim tau tshem tawm cov kab mob tshwm sim thaum lub sij hawm txhim kho.
Qhov txheej txheem ntawm phaj imaging yog raws nraim cov lus tsis sib xws ntawm cov pa kub-crosslinked tsis zoo CTP version, uas cov kab txuas khaub lig txuas thiab cov kab uas tsis yog cross-linked yog hloov kho. Qhov no yog vim hais tias cov neeg siv kev sib txuas ntawm cov leeg ntais siv sib txawv los ntawm cov qauv tsis zoo, uas cov paib dub thiab cov protonic acid uas ua los ntawm qhov muaj teeb meem tsis sib to taub muaj cov nyhuv tsis pom tseeb, kom thaj chaw muaj peev xwm tseem muaj peev xwm tswj tau alkali solubility.
3, pub dawb ntawm cov khoom CTP phaj
Raws li cov ntaub ntawv, tag nrho cov tuam txhab tau txais kev kho mob dawb thermal CTP phaj raws li qhov kev tshawb fawb tseem ceeb, thiab npaj ntau ntau cov qauv tsim, thiab cov kev npaj tshiab yog lossi. Qhov no yog vim zoo li ib phaj tuaj yeem txuag kev lag luam thiab txhim kho kev ua haujlwm zoo.
3.1 polarity hloov hom ua tsis-dawb CTP phaj
Lub hom phiaj ntawm hom phaj no yog tias tag nrho cov qhov teeb tsa yog feem ntau hydrophilic ua ntej raug, thiab qhov tshwm sim ntawm qhov chaw tshwm sim thaum hloov infrared. Qhov kev hloov no tuaj yeem yog lub cev lossis tshuaj. Qhov no ua rau hydrophilic rau oleophilic. Tom qab luam ntawv phaj raug, nws tsis yog qhov yuav tsum tau nqa tawm ntawm txoj kev loj hlob, uas yog, cov ntawv luam yuav tsum txaus siab. Cov txheej txheem no muaj nyob hauv daim duab 5. Tau kawg, kuj muaj qee cov qauv tsim ua ntej tsim qhov teeb tsa los ua lipophilic, thiab lub polarity enhanced ua hydrophilic thaum raug, thiaj li muaj ib tug hydrophilic thiab oleophilic tsam ntawm daim ntawv luam ntawv, thiab nws tsis tas yuav tsim.
Muaj ntau ntau cov qauv tsim thiab cov hau kev los hloov cov polarity ntawm lub phaj luam ntawv. Hauv kev xaus, nws muaj peev xwm raug faib ua lub cev thiab hom tshuaj. Lub cev lub cev lub cev hloov pauv feem ntau muaj qee cov roj thermoplastic thermoplastic polymer dispersed nyob rau hauv ib phau ntawv nyeem co kua roj. Cov thermoplastic ua muaj kub hnyiab heev, uas ua rau nqaij lossis ua kom sov tuaj hauv tshav kub kom ua rau cov khoom sib sau ua ke, hauv txheej hydrophilic. Hydrophobic aggregates yog tsim nyob nruab nrab. Chemically Polarized Platen Lub thermosensitive resin yog feem ntau homopolymer los yog copolymer uas muaj pendant ncov qaumteb qab ntawm cov neeg ua haujlwm uas ua rau thermal action nrog lwm cov koom haum ua haujlwm los tsim ib cov qauv dej hydrophobic.
3.2 Infrared ablation hom dawb ua CTP phaj khoom
Lub khoob infrared ablation CTP phaj yog hom phaj siab zoo uas siv hlau ua ib txheej hlau. Lub txheej hlau molten yog coated ntawm lub roj carbon fiber ntau uas yog lipophilic. Txoj kev xav pom yog tias cov hlau txheej hauv thaj chaw uas muaj thaj tsam yog melted mus rau hauv cov ntshav siab uas siv laser hluav taws xob, thiab lub kaum sab xis nrog lub txhuas phaj pib tuaj, thiab tshem tau tawm yam tsis tau tsim, ua li no cov txheej txheem ntawm cov phom kub. Cov txheej txheem no muaj nyob hauv Xam Xaj 6.
Qhov thib ob yog siv lub plhaub taum plawv rov qab rau ntawm lub substrate nrog hlau ua ib pawg txheej txheem ntawm cov neeg hloov chaw xa khoom tuaj photothermal. Cov hlau yuav ua kom zoo dua thaum lub sij hawm thaij thiab raug muab tshem tawm tau yooj yim. Xwb, hydrophilic txheej ntawm cov hlau oxide lossis hlau hydroxide thiab cov kua qaub-muaj hydroxy resin yuav tau coated rau ntawm cov ink-txais txheej txheej, qee zaum nrog ib tug txheej txheem hydrophilic.
3.3 pib tshawb nrhiav tsis muaj cov ntawv ua lag luam uas tsis yog CTP
Qhov no yog ib qho chaw tsis muaj dej tua hluav taws. Cov phaj yog thawj coated nrog ib daim ntawv pleev xim rau nruab nrab ntawm lub substrate thiab tom qab ntawd coated nrog ib tug tshwj xeeb silicone copolymer rau ntawm tus number case-txais txheej. Cov cuav no muaj tshuaj tiv thaiv kabmob (silicone copolymer) ua raws li lub tsho uas muaj cua sov thiab muaj thim ntuag. Txoj kev xav pom yog tias lub tshav kub-rhiab txheej ntawm thaj chaw uas raug lub tshav kub muaj kev thermal decomposition cov tshuaj tiv thaiv, thiab cov decomposed silicone copolymers tau yooj yim muab tshem tawm thaum lub sij hawm kis tau tus kab mob los yog cov txheej txheem li niaj zaus tom qab kis las rau lub cev ntim quav.