Daim ntawv thov antistatic siv tshuab hauv ntim thiab luam ntawv
Peb yog ib lub lag luam loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv nyuaj, 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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Electrostatic tiam mechanism
Raws li peb txhua tus paub, cov ntaub ntawv siv hauv lub ntim thiab luam tawm kev lag luam, xws li ntawv, plastics, inks, adhesives, thiab phau ntawv qhia yob (qee yam uas yog anodized rau alumina) yog tag nrho cov insulators; printing, compounding, rewinding, slitting, etc. yog high-speed txhuam. "nto" engineering ntawm kev sib cuag, kev sib cais. Nyob hauv tus txheej txheem ceev txhuam, hu thiab cais cov khoom sib txawv ntawm cov khoom siv insulating, cov ntaub ntawv uas muaj lub tshuab hluav taws xob muaj zog tsis muaj peev xwm them tsis tau vim tias qhov khoom ntawm electrons, txawm tias lwm yam khoom muaj nqi zoo vim yog poob ntawm electrons. Lub cim ntawm cov hluav taws xob uas muaj hluav taws xob tsuas yog muaj feem xyuam nrog cov tshuaj lom neeg muaj pes tsawg leeg, kev tsim molecular, mechanical properties, smoothness, hluav taws xob, qhov kub thiab txias, qhov chaw ua haujlwm lwm yam xws li kev sib tiv tauj thiab kev sib txhuam sib cais. Hom ntawm zaj duab xis, hom kev sib cuag, lub sij hawm sib cuag, qhov chaw sib tiv tauj, thiab qhov sib txawv ntawm kev sib txawv yog txawv, thiab lub sij hawm hluav taws xob tawm ntawm cov electrostatic thiab txawv. Qhov zoo dua qhov hluav taws xob khoom, lub siab zog ntawm lub zog ntawm cov khoom siv hluav taws xob; qhov hluav taws xob zoo li qub kuj tau yooj yim tsim ntawm tib cov ntaub ntawv. Piv txwv, thaum ob tug ze ze cov khoom siv yas xws li polyethylene film nrawm nrawm nrawm, qhov hluav taws xob hauv hluav taws xob tau tshwm sim nyob rau hauv ib qho sai tau tshaj li 10,000 volts. Tsis tas li ntawd, cov kua thiab cov roj cua uas tsis muaj nyob ntawm cov dej ntws kuj tseem raug rau hluav taws xob. Cov ntawv, yas, cwjmem, luam ntawv plates (xws li flexo daim hlau) nyob rau hauv cov ntaub ntawv luam muaj ntau yam ntxwv ntawm electrons, thiab lub siab thaum lub sij hawm luam ntawv ua rau lawv nyob ze ze, thiab lawv muaj kev kub ceev kom lawv yoo mov. Separated, tag nrho nruab nrog tej yam kev mob rau hluav taws xob tiam. Yog li, ntau txhiab volts ntawm hluav taws xob zoo li qub tau yooj yim sau thiab tawm thaum lub sijhawm luam ntawv. Tshwj xeeb hauv cov txheej txheem ntawm cov ntawv thiab cov ntaub ntawv yas, cov hluav taws xob muaj hluav taws xob yog tsim los ntawm kev sib txhuam ntawm cov pellets, cov yaj thiab cov ntsia hlau, lub phom, cov tuag (lub di ncauj), qhov sib tw thiab kev sib txhuam ntawm cov qhia kev rau cov menyuam, thiab qhov hluav taws xob zoo li qub lig dhau lawm. Kev khiav dim yog muag rau lub hnab ntim thiab luam ntawv, thiab nws tau them rau hluav taws xob zoo li qub ua ntej luam ntawv, compounding, thiab lwm yam., Uas muab rau cov hluav taws xob zoo li qub thiab tawm mus. Txoj cai lij choj ntawm cov khoom yas yog: yas muaj lub zog ua haujlwm loj, nws yooj yim los nqa hluav taws xob tsis zoo; nws txoj haujlwm tseem ceeb me me, nws yog qhov zoo. Nyob rau hauv cov ntaub ntawv yas, cov kev txiav txim ntawm kev ua haujlwm loj los me me yog: PP, PE, PS, PVDC, PET, ntawv, AL (aluminium foil), PA. Qhov ntawd yog, PP thiab PE yog yooj yim cuam tshuam, thiab PET, daim ntawv, AL (aluminium foil), thiab PA yog yooj yim zoo them.
Electrostatic ruaj khov
Thaum nws yog electrostatically them, nws yuav coj cov ntawv luam ua ntej, nyob rau hauv qhov kev txiav txim ntawm hluav taws xob zoo li qub, thiab daim ntawv thiab daim ntawv yuav tsum tau nquag nqus thiab tsis tau zoo. Thaum lub sij hawm luam ntawv, vim yog lub tsho hlau electrostatic, cov ntawv txheeb tuav ruaj khov ua ke, qee zaum ob, qee zaum ntau, qee zaum ib daim ntawv tsis yooj yim cais, ua rau daim ntawv nozzle tsis absorbing ntawv, tiag cuam tshuam printing efficiency. Thaum cov ntaub ntawv yas yog siv rau xim luam ntawv, vim yog tso tawm ntawm electrostatic, feem ntau pom tau tias tus cwj pwm zoo li cov phev tus pob txha caj npab dhau ntawm qhov sib txawv ntawm qhov muag ntawm cov kwj deg; hluav taws xob ntawm tus cwj pwm ntawm lub cev muaj peev xwm ua rau ntiav mesh lossis tsis tuaj luam ntawv; cov yas yeeb yaj kiab thiab tus cwj mem muaj plua plav hauv cheeb tsam. Txawv teb chaws teeb meem xws li cov plaub hau yog nws cov teeb meem zoo xws li rab riam plaub hau. Nyob rau hauv tus txheej txheem ntawm kev txeej, kev txiav, lub hnab, thiab lwm yam., Qhov paug tawm hluav taws xob paug yuav ua kom lub duab thev xaib thiab lub tshuab hluav taws xob ntawm lub tshuab hluav taws xob. Electrostatic tawm electrodes ntawm ob peb lub kaum ntawm volts yog yooj yim rau cov khoom xyaw organic thiab ua rau hluav taws teeb meem. Qee qhov, cov khoom ntim yuav ua rau muaj kev ua qias tuaj rau cov khoom ntim vim yog cov adsorption ntawm txawv teb chaws; qhov kev sau tsis siv roj puv pib yog txo thaum tus neeg siv nws siv; Thaum cov hmoov cov khoom xws li ntxuav cov hmoov, tshuaj, thiab cov hmoov mis hmoov zoo, qhov khoob se ncauj tsis tau vim tias cov hmoov yog adsorbed ntawm lub qhov ncauj ntawm lub hnab. Tsab ntawv.
Antistatic technology
Txuj ci antistatic technologies yuav tsum tau saws nrog rau qhov tseeb ntau lawm, kev siv cov khoom ntim khoom (cov khoom zoo li cas), thiab tej yam kev siv ntawm cov neeg siv khoom. Hom kev tiv thaiv antistatic yog raws li nram no:
1. Lub cev tawm
Txoj kev tshem tawm lub cev yog ib txoj kev tshem tawm cov yam ntxwv ntawm lub cev hluav taws xob tsis hloov cov khoom siv. Piv txwv, qhov "av" tshem tawm txoj kev yog los nruab ib qho kev txhuam cov tshuaj tiv thaiv rau ntawm tus txheej txheem. Muab tus txhuam txhuam rau ntawm lub npoo los yog khoob khawm ntawm daim ntawv los yog yas yob, thiab ua kom qhov kawg ntawm qhov tshem tawm txhuam tsis zoo, tab sis tsis nyob rau hauv cov cuab yeej los yog cov chaw cob qhia. Vim tias cov khoom yuav tsis zoo grounded; qee qhov kev qhia yob yog anodized rau alumina rau ntawm qhov chaw, thaum alumina tsis yog kev ua. Piv txwv li, kev tawm dag zog ntawm kev siv hluav taws xob ntau yog siv txoj kev tawm tsam hluav taws xob uas muaj lub siab tshem tawm mus tshem tawm hluav taws xob. Tus 泫 static tshem tawm yog muab faib rau unipolar thiab bipolar raws li cov kab mob tawm ntawm sab nrauv. Cov unipolar static eliminator tshem tawm tsuas yog ib qho nqi (zoo los yog tsis zoo), thiab tus bipolar static eliminator tshem tawm ob qho zoo thiab tsis pom zoo. Kev ntsuas huab cua ntawm qhov cuab yeej yog ib qho tseem ceeb. Ua kom lub cev ntom ntub ntawm qhov chaw ua haujlwm zoo (haum rau thaj tsam ntawm 60% mus rau 70%) tuaj yeem ua rau lub voos saum npoo ntawm cov yas thiab ntawv, tsim cov thev nquag, hluav taws xob ua yeeb yaj kiab dej, li ceev kom muaj hluav taws xob zoo. tov. Qhov saum toj no peb txoj kev siv txoj kev tshem tawm hauv lub cev muaj ntau dua hauv kev luam ntawv, kev sib koom tes, kev txiav tawm, thiab lub hnab ua tus txheej txheem.
2. Tshuaj lom neeg tawm
Kev siv tshuaj tua cov kab mob antistatic, uas yog, siv tshuaj tua kab mob antistatic, feem ntau siv cov tshuaj tua kab (antipsychotic) rau cov khoom siv hluav taws xob los yog cov khoom siv los ntawm kev ntxiv (filling) cov tshuab los yog cov txheej txheem, uas yog ntau dua thiab tiav antistatic technology. Txawm li cas los, vim qhov ntxiv los yog txheej ntawm tus neeg saib xyuas antistatic ua rau muaj kev hloov hauv cov tshuaj muaj pes tsawg ntawm cov khoom, cov txheej txheem tsis haum rau kev kho mob ntawm daim ntawv, thiab tsuas yog siv rau kev hloov kho ntawm cov yas yas.
Tshwj xeeb hauv cov zaub mov, cov tshuaj, tshuaj pleev ib ce, cov khoom siv tshuaj, thiab lwm yam, yuav tsum tau them nyiaj rau kev nyab xeeb, kev nyiam huv thiab kev sib haum nrog cov duab matrix, thiab lwm yam. Cov khoom ntim nrog cov khoom siv antistatic tsis tsuas yog tshem tawm ntau yam kev raug mob uas tshwm sim los ntawm hluav taws xob hauv lub cev, tab sis kuj ua rau cov neeg ntim khoom ua tau zoo thiab ua kom lub zog sib zog, yog li tau txais kev pom zoo. Zoo hmoo, kev lag luam plastics tau ntxiv dag zog rau kev tshawb fawb ntawm cov neeg ua hauj lwm antistatic thaum ntxov li thaum ntxov xyoo 1990. Cov kev ua tau zoo ntawm cov neeg ua hauj lwm antistatic tau dhau mus paub tab, thiab antistatic tus neeg saib xyuas kev kho mob tau siv ntau txoj kev txhawb thiab siv.
2.1 Kev siv tshuab ua haujlwm ntxiv
Kev siv tshuab (xws li, masterbatch technology) yog sib xyaw cov neeg quav tshuaj tiv thaiv kab mob qog nrog qee cov concentration (ob peb mus rau ob peb lub kaum ntawm feem pua) nrog thermoplastic rein, thiab ntxiv ntau yam tshuaj ntxiv, tom qab yaj, sib tov, granulation, ua los ntawm antistatic masterbatch. Qhov kev xaiv ntawm antistatic tus neeg sawv cev yuav tsum them sai sai rau lub compatibility nrog matrix rein. Yog hais tias lub compatibility yog tsis tshua muaj, cov ntsiab lus uas tau txais antistatic muaj kev ua tsis zoo; tab sis yog hais tias lub compatibility yog zoo heev, tus nqi ntawm migration ntawm antistatic neeg sawv cev mus rau saum npoo yog qeeb heev, thiab nws yog qhov nyuaj rau tsim ib tug antistatic dej zaj duab xis. Tib co duab li cov duab ntawm cov khoom raug xaiv los ntawm matrix pob zeb, thiab hauv cov txheej txheem ntawm melting, kneading, thiab granulating, qhov kub thiab txias yog khaws cia kom tsawg li sai tau, thiab tus neeg saib xyuas antistatic yog tiv thaiv kom txhob zawm los yog deteriorating vim txom nyem thermal stability. Cov yeeb yaj kob antistatic yog npaj los ntawm kev siv cov tshuaj antistatic, thiab siv peb txheej (ABC) co-extrusion tshuab molding txheej txheem. Ceeb toom tias qhov feem cuam ntawm tus thawj xibfwb antistatic yuav tsum raug txiav txim siab raws li qhov concentration ntawm cov khoom ua haujlwm, thiab kho raws li qhov kev xeem tau, thiaj li hais tias qhov chaw tiv thaiv PS yog li 1011n; qhov nce ntxiv ntawm tus nqi ntxiv tsis tsuas yog nce tus nqi khoom, tab sis tseem theem tom ntej. Cov kauj ruam ua haujlwm muaj kev phom sij. Npaj cov tshuaj tiv thaiv kab mob antistatite, ntxiv cov tshuaj tua kab (antidatic particle) rau lub qhov dej (kub npog) tsis tau ntxiv qhov sib npaug ntawm qhov sib txuam (corona kho qhov chaw) los tiv thaiv kev tsiv ntawm antistatic agent thiab dej yeeb yaj kiab los ua ib txheej thaiv, ntawm cov khoom xa tawm. Tus thawj xibfwb antistatic kuj tuaj yeem raug ntxiv rau txheej qib siab xws li PE thiab PP los ntawm ib qho kev sib txuas ntawm kev siv extrusion compounding (casting), uas tsis txhob muaj teebmeem tshwm sim los ntawm kev ua tawm ntawm cov movie thiab adsorption ntawm txawv teb chaws.
2.2 Txheej txheem kho tshuab
Qhov txheej txheem tshuaj antistatic tshuaj kho tshuab yog tsim los ua tus txheej txheem xionic rau hauv ib qho tshuaj tiv thaiv thiab siv nws rau ntawm lub hnab yas yas kom tsis txhob muaj nqi tsub zuj zus. Kev xaiv ntawm tus txheej txheem tshuaj antistatic tus neeg raug xaiv yog txiav txim siab raws li kev ua haujlwm ntawm cov coated substrate. Cov ntaub ntawv yas muaj kev ua haujlwm loj, uas yog ib qho yooj yim uas nqa hluav taws xob tsis zoo; thaum ua haujlwm me me, nws yog qhov zoo. Qhov kev txiav txim ntawm kev ua haujlwm ntawm cov ntaub ntawv yas yog ntau li ntau tau. PP thiab PE tau yooj yim tsis zoo thiab yuav tsum tau coated nrog cationic surfactant. Tus tsiaj ntawv thiab tus paj yog cov uas yooj yim. Anionic nto yuav tsum tau siv. Tus neeg saib xyuas kev lag luam yog coated. Qhov nro ntawm nro ntawm cov yeeb yaj kiab yuav tsum yog siab tshaj 38 dynes / cm; cov yeeb yaj kiab uas tau tsim muaj cov yeeb yaj kiab tsim zoo, kev sib txhuam tsis sib haum, kev quav tshuaj tiv thaiv thiab kev kav ntev. Cov txheej txheem antistatic yog npaj los ntawm dissolving tus neeg saib xyuas antistatic hauv cawv-soluble los yog ester-soluble resin los yog emulsion muaj cov yeeb yaj kiab zoo-tsim cov khoom thiab ua raws cov yas yeeb yaj kiab; los yog siv cov polyurethane phau ntawv pov thawj raws li tus cab kuj tawm mus nrog tus ester; Nws muaj peev xwm yuav yaj nyob rau hauv solvent-based yas coatings kom antistatic coatings. Thaum txheej, them sai sai rau xaiv qhov tsim nyog txheej cov nqi kom qhuav, tsim cov ziab chamber hauv tsev txias, tswj qhov ceev ceev thiab qhov nruab nrab ntawm qhov chaw ntom ntom ntu kom tiv thaiv tau npab thiab zas xim tom qab txheej.
Kev ntsuas ntawm kev ntsuas thiab kev ntsuas
Qhov ntsuas cov electrostatic ntawm cov khoom ntim yog los ntsuas qhov ntsuas hluav taws xob ntawm cov nqi. Tus electrostatic voltmeter siv tau rau kev ntsuas, thiab qhov siab tshaj plaws yog xaiv ua ntej, thiab tom qab ntawd ces qhov khwv tau maj mam txo. Qhov kev sim ntawm cov saum npoo tawv nqaij ntawm cov khoom ntim yuav tsum tau muab coj los ua raws li GB / 1410-89 "Kev ntsuam xyuas lub cev ntim rau lub cev ntim ntawm lub cev thiab cov tawv ntim resistivity ntawm cov ntaub ntawv insulating" nyob rau hauv qhov kev ntsuas kub kub thiab txheeb cov av qeeg. Nws yog ntsuas tias nws cov resistivity nto yog nyob rau hauv qhov ntau ntawm 109n-1012, uas muaj antistatic zog.
Qhov hluav taws xob zoo li qub yog ib qho muaj tshwm sim hauv lub cev, thiab nws yog ib qho yooj yim los tsim hluav taws xob hluav taws xob thaum tsiv nrog khoom. Tsis tas li ntawd, yuav luag tag nrho cov kev ua haujlwm nyob rau hauv lub ntim thiab luam ntawv kev lag luam yog nqa tawm ntawm cov nplais ntawm insulating cov ntaub ntawv, thiab nws tsis yog ceeb uas hluav taws xob zoo li qub. Yog tias peb tob zuj zus peb txoj kev to taub ntawm lub tswv yim thiab kev tsim hluav taws xob hauv hluav taws xob, thiab scientific thiab economically siv antistatic technology, peb tuaj yeem tuav cov ntaub ntawv ntim cov ntaub ntim thiab siv rau ntau yam kev lag luam.