Ifilimu edibeneyo eyenziwe kwiileya ezimbini okanye ngaphezulu kufuneka ingabinakwahlulwa njengefilimu enye.Oku kubandakanya okungaphezulu nje kokuncamathelisa phakathi kwezi filimu zimbini.Ikwanxulumene nefilimu ye-inki.Izinto zokuncamathelisa ziimveliso zokwenziwa Uninzi lwezincamathelisi ezincamathelayo zineenxalenye ezimbini zepolyurethane (PU).Ukusabela kweekhemikhali kwenkqubo yokugaya iphilisa i-adhesive.I-adhesive ebusweni be-substrate ikakhulu yinkqubo yomzimba kwaye inxalenye encinci yinkqubo yeekhemikhali.Ngeli xesha, amacandelo e-adhesive adityaniswa kunye namacandelo efilimu yeplastiki kwaye aphiliswe ngakumbi.
Ukuba ifilimu edibeneyo sele ishicilelwe ngexesha lenkqubo yokudibanisa ngoko i-adhesive kunye ne-inki kufuneka ihlangabezane neemfuno ezininzi.Imfuneko esisiseko kakhulu kukuba umaleko wangaphakathi kufuneka ube nokuqina kokuncamathela okuhle kunye nokoma phambi kokulanywa.Oku kuthetha ukuba akukho zintsalela ze-solvent ezivumelekileyo kumgca oprintiweyo.Kodwa isinyibilikisi okanye utywala budla ngokushiywa kumdibaniso we-inki.Ngenxa yesi sizathu, iipropati ze-adhesive kufuneka zikwazi ukubopha kwii-radicals zamahhala (-OH amaqela).Ngaphandle koko, i-adhesive kunye ne-ejenti yokunyanga iya kusabela ngokwazo kwaye ilahlekelwe iipropati zayo zangaphambili.
Phakathi kwe-adhesives, i-adhesives-based adhesives iyahlula kwii-adhesives ezingenayo i-solvent efana ne-UV.Umxube we-solvent-based drill ufuna itonela yokomisa ukuze uguqule isinyibilikisi.Xa kusetyenziswa izinto zokuncamathelisa ze-UV, ukukhanya kwe-UV kuhamba ngefilimu edibeneyo ukuya kwindawo yokuncamathelisa ukwenza i-polymerize into encamathelayo kunye.
1. Ikhompawundi eyomileyo
Ibhekisela kwindlela apho i-adhesive ihlanganiswe kwimeko eyomileyo.Okokuqala, i-adhesive ifakwe kwi-substrate.Emva kokumisa kwi-tunnel yokumisa, zonke i-solvents kwi-adhesive iyomile.Inkqubo yokunyibilikisa i-adhesive, ukudibanisa enye i-substrate kuyo, ukupholisa, kunye nokunyanga ukuvelisa izinto ezidibeneyo ezineempawu ezintle.
2. Ikhompawundi ye-Extrusion
Ikwabizwa ngokuba yi-casting compounding, enye yeendlela eziphambili zemveliso yokupakishwa okuguquguqukayo.Inyibilikisa i-thermoplastics efana ne-polyethylene kunye ne-polypropylene kumatshini odibanisa i-extrusion, kwaye iphuma ngokufanayo kwifilimu ebhityileyo esuka kwintloko ecwecwe, kwaye iqhubekile ngokuqhubekayo Kwisiseko sezinto ezisisiseko, ifilimu edibeneyo yamacandelo amabini okanye ngaphezulu yenziwa ngokucinezela kunye. i-roller yoxinzelelo kunye nokupholisa nge-roller yokupholisa.
I-Extrusion lamination ineenzuzo zesantya sokuvelisa ngokukhawuleza, inkqubo yokuvelisa elula, indawo yokuvelisa ecocekileyo, ukusebenza kakuhle kwemveliso, ukusebenza okulula, ixabiso eliphantsi, kwaye akukho ntsalela ye-solvent.indawo ebalulekileyo.
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