Khoom noj khoom haus Ntim Yob zaj duab xis yob Tsis siv neeg ntim tshuab yas ntim zaj duab xis

Ib zaj duab xis sib xyaw ua los ntawm ob lossis ntau txheej yuav tsum sib cais tsis zoo li ib zaj duab xis. Qhov no cuam tshuam ntau tshaj li qhov nplaum ntawm ob zaj duab xis. Kuj muaj feem xyuam rau cov yeeb yaj kiab ink. Adhesives yog cov khoom siv hluavtaws Feem ntau cov nplaum yog ob lub ntsiab lus polyurethane (PU) adhesives. Cov tshuaj tiv thaiv ntawm cov txheej txheem drilling kho cov nplaum. Cov nplaum rau ntawm qhov chaw ntawm lub substrate feem ntau yog cov txheej txheem ntawm lub cev thiab tsuas yog ib feem me me yog cov txheej txheem tshuaj. Lub sijhawm no, cov khoom ntawm cov nplaum yog drilled ua ke nrog cov khoom hauv cov yas zaj duab xis thiab kho ntxiv.
Yog tias cov yeeb yaj kiab sib xyaw twb tau luam tawm thaum lub sij hawm sib koom ua ke, cov nplaum nplaum thiab tus cwj mem yuav tsum tau ua kom tau raws li qhov yuav tsum tau ua. Ib qho tseem ceeb heev yuav tsum tau yog tias cov txheej sab hauv yuav tsum muaj qhov zoo adhesion ceev thiab dryness ua ntej lamination. Qhov no txhais tau hais tias tsis muaj cov kuab tshuaj residues raug tso cai rau hauv cov ntawv luam tawm. Tab sis cov kuab tshuaj los yog cawv feem ntau yog nyob rau hauv daim ntawv ntawm tus number case. Vim li no, cov khoom ntawm cov nplaum yuav tsum tuaj yeem khi rau cov dawb radicals (-OH pawg). Txwv tsis pub, cov nplaum thiab cov tshuaj tua kab mob yuav ua rau lawv tus kheej thiab poob lawv cov khoom qub.
Ntawm cov nplaum, cov kua nplaum ua kua nplaum yog qhov txawv ntawm cov nplaum uas tsis muaj kuab lom xws li UV adhesives. Cov kuab tshuaj raws li kev xyaum sib xyaw yuav tsum muaj qhov ziab kom qhuav kom volatilize cov kuab tshuaj. Thaum siv UV nplaum, UV lub teeb mus los ntawm cov zaj duab xis sib xyaw rau cov nplaum rau polymerize cov nplaum ua ke.
1. Qhuav compound
Nws yog hais txog ib txoj hauv kev uas cov nplaum yog compounded hauv lub xeev qhuav. Ua ntej, cov nplaum yog coated rau ntawm lub substrate. Tom qab ziab hauv qhov ziab kom qhuav, tag nrho cov kuab tshuaj hauv cov nplaum yog qhuav. Cov txheej txheem ntawm melting cov nplaum, sib txuas lwm cov substrate rau nws, txias, thiab kho kom tsim tau cov khoom sib xyaw nrog cov khoom zoo.
2. Extrusion compound
Nws tseem hu ua casting compounding, uas yog ib qho ntawm cov khoom tseem ceeb ntawm kev ntim khoom yooj yim. Nws melts thermoplastics xws li polyethylene thiab polypropylene nyob rau hauv ib tug extrusion compounding tshuab, thiab ntws tawm uniformly nyob rau hauv ib tug nyias zaj duab xis los ntawm lub taub hau tiaj tus, thiab tsis tu ncua coated rau ntawm lub hauv paus khoom, cov zaj duab xis ntawm ob los yog ntau tshaj txheej yog tsim los ntawm nias nrog. ib tug siab roller thiab txias nrog ib tug txias roller.
Extrusion lamination muaj qhov zoo ntawm cov khoom siv ceev ceev, cov txheej txheem tsim khoom yooj yim, ib puag ncig huv huv, kev ua haujlwm siab, kev ua haujlwm yooj yim, tus nqi qis, thiab tsis muaj cov kuab tshuaj lom. qhov chaw tseem ceeb.