I-Abstract: Leli phepha lihlaziya inkinga emhlophe yamafilimu ahlanganisiwe wePet / VMCPP kanye ne-pet / vmpet / Pe lapho bebhalwa, futhi bethula izixazululo ezihambisanayo.
Ifilimu ye-Aluminium ehlanganisiwe ye-Composite iyinto ethambile yokufaka nge "aluminum luster" eyakhiwe ngamafilimu ahlanganisiwe ahlanganisiwe (ngokuvamile i-vmpet / VMPE, njll., Njll. Kusetshenziswa ekupakisheni ukudla, imikhiqizo yezempilo, izimonyo, neminye imikhiqizo.Ukuthola imali engcono kakhulu yensimbi, ukufinyeleleka, kanye nokusebenza okuyisithiyo okuhle, kusetshenziswe kalula amafilimu ahlanganisiwe (ashibhile futhi lilula kunamafilimu ahlanganisiwe we-aluminium-plastice). Kodwa-ke, amabala amhlophe avame ukwenzeka ngesikhathi sokukhiqizwa kwamafilimu ahlanganisiwe we-aluminium. Lokhu kubonakala ikakhulukazi emikhiqizweni yefilimu eyinhlanganisela nge-pet / vmcpp kanye ne-pet / vmpet / PE izakhiwo.
1, izimbangela nezixazululo ze- "Shite Spots"
Incazelo ye- "White Spot" Phenomenon: Kunamabala amhlophe asobala ngokubukeka kwefilimu eyinhlanganisela, engahanjiswa ngokungahleliwe kanye nosayizi ofanayo. Ikakhulu amafilimu angabhalisiwe aphrintiwe kanye ne-ink emhlophe egcwele noma i-ink color ink composite films, kusobala kakhulu.
1.1 Ukungezwani okunganele okunganele esiteshini se-aluminium se-aluminium coating.
Ngokuvamile, ukuhlolwa kwengxabano kwengxabano kufanele kwenziwe endaweni ye-corona yefilimu esetshenziswa ngaphambi kwenhlanganisela, kepha kwesinye isikhathi ukuhlolwa kwe-aluminium coati akunakwa. Ikakhulu amafilimu we-VMCPP, ngenxa yemvula yezithasiselo ezincane zamangqamuzana kwifilimu ye-CPP Base film, i-aluminium plated for of vmcppp yamafilimu e-VMCPP agcinwe isikhathi eside athambekele ekungenele kwengqondo enganele.
1.2 ukufakwa kahle kokunamathela
Ama-adhesives asuselwa ku-Solvent kufanele akhethe ukugxila kwesixazululo esifanele ngokuya ngencwadi yomkhiqizo ukuqinisekisa ukufakwa okuhle kwe-glue. Futhi ukulawulwa kokuhlolwa kwe-viscosity kufanele kusetshenziswe ngesikhathi sokuqhubeka kwenqubo yokukhiqiza. Lapho i-viscosity inyuka kakhulu, izixazululo kufanele zengezwe ngokushesha. Amabhizinisi anezimo angakhetha imishini ye-othomathikhi yepolu yepopula. Amazinga okushisa afanele wokushisa anama-adhesives angenama-solvent kufanele akhethwe ngokuya ngencwajana yomkhiqizo. Ngaphezu kwalokho, ngokubheka udaba lwesikhathi sokusebenza ngaphandle kwe-solvent, ngemuva kwesikhathi eside, i-glue ku-roller yokulinganisa kufanele ikhishwe ngesikhathi esifanele.
1.3Pooor composite inqubo
Kwezinhlaka zezilwane zasekhaya / ze-VMCPP, ngenxa yobukhulu obuncane nokunakwa okulula kwefilimu ye-VMCPP, umfutho we-lamination roller akufanele ube phezulu kakhulu ngesikhathi sokukhanya, futhi ukungezwani okunamandla akufanele kube phezulu kakhulu. Kodwa-ke, lapho ukwakheka kwe-pet / vmcpp kuyinto ehlanganisiwe, ngenxa yokuthi ifilimu yasekhaya yifilimu eqinile, kungakuhle ukwandisa ingcindezi ye-roller ye-laminiang kanye nokungezwani.
Amapharamitha enqubo ahambisanayo ahlanganisiwe kufanele ahlelwe ngokususelwa esimweni semishini eyinhlanganisela lapho izakhiwo ezahlukahlukene ze-aluminium coating ziyinhlanganisela.
I-1.4ATININ IZINDLELA ezingena kwifilimu eyinhlanganisela ebangela "amabala amhlophe"
Izinto zakwamanye amazwe zihlanganisa ikakhulukazi uthuli, izinhlayiya zenjoloba, noma imfucumfucu. Uthuli kanye nemfucumfucu ikakhulukazi ivela eWoskshop, futhi kungenzeka ukuthi zenzeke lapho inhlanzeko yokusebenzela imbi. Izinhlayiya zenjoloba ikakhulu zivela kuma-disc enjoloba, ama-rolling ama-roint, noma ama-rolling ama-rolling. Uma isitshalo esiyinhlanganisela kungeyona indawo yokusebenzela engenalo uthuli, kufanele futhi uzame ukuqinisekisa ukuhlanzeka kanye nokuhlehlisa ukususwa kothuli noma imishini yokuhlunga (insiza yokuhlunga, idivaysi yomhlahlandlela) yokuhlanza. Ikakhulu i-roller ye-coating, i-scraper, i-roller ye-roller, njll. Kufanele ihlanzwe njalo.
I-1.5high umswakama emhlanganweni wokukhiqiza uholela ku- "Shite Spot"
Ikakhulu ngesikhathi semvula, lapho umswakama workshop u-≥ 80%, ifilimu eliyinhlanganisela ithambekele kakhudlwana "kumabala amhlophe" phenomenon. Faka imitha yokushisa kanye nomswakama ku-workshop ukurekhoda ushintsho ekushiseni nasekuthwaleni, bese ubala amathuba amhlophe avela. Amabhizinisi anezimo angabheka ukufaka imishini yokuvikelwa kwamazinyo. Ngezakhiwo ezihlanganisiwe ezinemininingwane eminingi enezakhiwo ezinhle zesithiyo, kuyadingeka ukuthi ucabangele ukukhiqiza noma ukukhiqiza ungqimba olulodwa noma izinhlaka eziyinhlanganisela zezinhlanganisela. Ngaphezu kwalokho, ngenkathi kuqinisekisa ukusebenza okujwayelekile kokunamathela, kunconywa ukunciphisa inani le-ejenti yokulapha okusetshenziswa ngokufanele, imvamisa ngo-5%.
1.6Gluing Surface
Lapho kungekho ukuvela okusobala okutholakele kanye nenkinga "yamabala amhlophe" akunakuxazululwa, inqubo yokuhlanganisa e-aluminium ehlanganayo ingabhekwa. Kepha le nqubo inemikhawulo ephakeme.StActicty lapho i-VMCPP noma i-vmbet aluminium coating incane nokushisa kuhhavini, kuthambekele ekuguqukeni kwe-tensile, futhi inqubo eyinhlanganisela idinga ukulungiswa. Ngokwengeziwe, amandla we-peel we-aluminium plating ungqimba angancipha.
Incazelo ye-1.7Special yesimo lapho kungatholakali khona ukungahambi kahle ngemuva kokuvalwa, kepha "amabala amhlophe" avele ngemuva kokuvuthwa:
Lolu hlobo lwenkinga luthambekele ekwakhekeni kwezinhlaka ze-membrane ezihlanganisiwe ezinezakhiwo ezinhle zokuvimbela. Okwe-pet / vmcpp kanye ne-pet / vmpet / PE izakhiwo, uma isakhiwo se-membrane siminyene, noma lapho usebenzisa amafilimu we-kbopp noma we-Kpet, kulula ukukhiqiza "amabala amhlophe" ngemuva kokuguga.
Amafilimu aphezulu ahlanganisa ezinye izinhlaka athambekele enkingeni efanayo. Izibonelo zifaka ukusebenzisa i-aluminium foil ende noma amafilimu amancanyana anjengokuthi i-kny.
Isizathu esiyinhloko salesi "Spot Spot" ukuthi kukhona ukuvuza kwegesi ngaphakathi kolwelwesi oluhlanganisiwe. Le gesi ingahle ibe yisibalo sama-solvents asele noma okuchichimayo kwegesi yekhabhoni ye-dioxide ekhiqizwa ukusabela phakathi kwe-ejenti yokwelapha kanye nomphunga wamanzi. Ngemuva kokuba igesi ichichima, ngenxa yezindawo ezinesithiyo esihle sefilimu eyinhlanganisela, ayikwazi ukukhishwa, okuphumela ekubonakaleni "kwamabala amhlophe" (ama-bubble) kungqimba yenhlanganisela.
Isixazululo: Lapho kuhlanganisa ukunamathela okusekelwe kwe-solvent, amapharamitha enqubo anjengezinga lokushisa le-oveni, ivolumu yomoya, nokucindezela okungalungile kufanele kusethwe kahle ukuqinisekisa ukuthi ayikho i-solvent eyanele engqimbeni enamathela. Lawula umswakama ku-workshop bese ukhetha uhlelo oluvaliwe lokunamathela okunama-anama. Cabanga ukusebenzisa i-ejenti elaphayo engakhiqizi ama-bubble. Ngaphezu kwalokho, lapho usebenzisa i-solvent esekwe adhesives, kuyadingeka ukuhlola okuqukethwe umswakama kwi-solvent, ngesidingo sokuqukethwe komswakama ≤ 0.03%.
Lokhu okungenhla kuwukungathwa kwento ethi "Amabala Amhlophe" kumafilimu ahlanganisiwe, kepha kunezizathu ezahlukahlukene ezingadala izinkinga ezinjalo ekukhiqizeni kwangempela, futhi kuyadingeka ukwenza izinqumo kanye nentuthuko esekelwe esimweni sangempela sokukhiqiza.
Isikhathi sePosi: Dec-11-2023