Abstract: Iyi pepa inoongorora iyo chena poindi dambudziko reMafirimu ePet / vmcpp uye pet / vmPet / PE kana vachinyorerwa, uye vanounza mhinduro dzinoenderana.
Aluminium akanyura composite film ndeyekuputira kwakapetwa ne "Aluminium Luster" yakaumbwa neAlminum, vmpp / vmppp Izvo zvinoiswa pakurongedza kwechikafu, zvigadzirwa zvehutano, zvigadzirwa, uye zvimwe zvirereka, zvichishandiswa zvakanyanya (zvakanyatsoitwa (zvakanyanyisa (zvakashata zvivakwa pane mapurasitiki emapurasitiki mafirimu, zvakachipa uye yakareruka kupfuura aluminium-purasitiki composite mafirimu). Nekudaro, mavara machena anowanzoitika panguva yekugadzirwa kwealuminium yakarongedzwa mafirimu mafirimu. Izvi zvinonyanya kuoneka mune composite zvigadzirwa zvigadzirwa ne pet / vmcpp uye pet / vmmmet / pe zvivakwa.
1, Izvo Zvinokonzeresa uye Mhinduro dze "White mavara"
Tsanangudzo ye "chena nzvimbo" phenomenon: Pane nzvimbo dziri pachena dzakachena pakuonekwa kweiyo firimu, iyo inogona kuve yakapihwa zvisina kugoverwa uye yerudyi saizi. Kunyanya kune isiri yakadhindwa yemhando yemafirimu uye yakazara plate White ink kana yerudzi rwemavara Ink inosanganisira mafirimu, zviri pachena.
1.1 isina kukwana nzvimbo yekunetsana pane iyo aluminium pleting lide yealuminum inovhara.
Muzhinji, kuongororwa kwekushushikana kwekutarisa kunofanirwa kuitwa pamakotona pamusoro pefirimu kunoshandiswa pamberi pechibatanidzwa, asi dzimwe nguva kuongororwa kweAluminium coating kunoregeredzwa. Kunyanya kweVMCPP mafirimu, nekuda kwekukwana kwekunyepedzera kwemanyorero madiki eCPP
1.2 kutadza kusimba kwekunamatira
Solvent based emafesives anofanira kusarudza iyo yakakwana yekushanda mhinduro yekugadzirisa zvinoenderana neyechigadzirwa bhuku kuti uve nechokwadi chekukwirisa glue level. Uye viscosity kuongororwa kwekutonga kunofanirwa kuitwa panguva yekuenderera mberi kwekugadzira maitiro. Kana viscosity painowedzera zvakanyanya, solvent inofanirwa kuwedzerwa nekukurumidza. Mabhizinesi ane mamiriro ezvinhu anogona kusarudza yakavharirwa otomatiki pombi glue michina. Iyo yakakwana yekupisa kupisa kweiyo solvent-yemahara anoshongedzwa zvinofanirwa kusarudzwa zvichienderana neyechigadzirwa bhuku. Mukuwedzera, kufunga nezve nyaya yeiyo solvent-yemahara activation nguva, mushure menguva yakareba, glue mune yekuyera roller inofanira kudzingwa nenzira yakakodzera.
1.3Papoor composite maitiro
Kune pet / vmcpp zvimisikidzwa, nekuda kweiyo diki diki uye kuwedzera kweiyo vmcpp firimu, kudzvanywa kweRoller yekudzvanywa hakufanirwe kuve kwakanyanya mukuomerwa, uye kusawirirana kwemhepo hakufanirwe kunge kwakanyanya. Nekudaro, apo pet / vmcpp chimiro chemuchinjiko, nekuda kwekuti peturu yemapepa firimu rakaomarara, zvinokurudzirwa kuti uwedzere kuderedza roller kudzvinyirira uye kushambadzira kusagadzikana panguva yakakwana panguva yekuumbwa.
Inoenderana makomposite ma parmeter anofanirwa kuumbwa zvichienderana nemamiriro emamiriro ezvinhu emidziyo kana yakasiyana aluminium inokonzeresa zvivakwa.
1.4Friting zvinhu zvinopinda zvinopinda musvomhu rumbidzo zvichikonzera "chena mavara"
Zvinhu zvekunze zvinonyanya kusanganisira guruva, zvimedu zvengarava, kana marara. Guruva uye marara anonyanya kubva mumusangano, uye anokwanisa kuitika kana iyo musangano hutsanana murombo. Rubber zvimedu zvinonyanya kuuya kubva kuRabha discs, coating rollars, kana kufambira mberi kweropa. Kana chirimwa chomunyori hachisi chehusiku-soro yemahara, chinofanirawo kuedza kuve nekuchena kwemusangano, kuisa rusununguko rwekubvisa, kufambisa Kunyanya kuunganidzira roller, scraper, flattening roller, etc. inofanirwa kucheneswa nguva dzose.
1.5High humidity mune yekugadzira musangano inotungamira kune "chena mavara"
Kunyanya panguva yekunaya, apo musangano wekunyepa ari ≥ 80%, iyo firimu yemhando inotonyanya kuzivikanwa ku "chena mavara" chiitiko. Isa tembiricha uye humidity meter mumusangano wekurapa yekuchinja mukushisa mukushisa uye humidity, uye kuverenga mukana wezvipenga chena zvinoratidzika. Mabhizinesi ane mamiriro anogona kufunga kuisa kumisikidza midziyo yekudzvinyirira. Kune akawanda-layer composite zvivakwa zvine midziyo yezvipfuyo zvakanaka, zvinodikanwa kuti ufunge kumiswa kugadzirwa kana kuburitsa imwe-denderedzwa rakawanda kana zvivakwa zvemukati. Uye zvakare, apo ichisimbisa zvakajairika zvekuita kwekunamatira, zvinokurudzirwa kuderedza huwandu hwekuporesa mumiririri wakashandiswa nenzira kwayo, kazhinji ne5%.
1.6Gluing pamusoro
Kana pasina pachena zvisingaonekwe zvinowanikwa uye dambudziko re "White mavara" hadzigone kugadziriswa, maitiro ekubatanidza pane iyo aluminium inovhara chikamu chinogona kutariswa. Asi maitiro aya ane mipimo yakakosha.Estecal kana vmcpp Aluminium coating inoiswa pasi pekupisa uye kusawirirana muvheni, inowanzoita defformation, uye maitiro emari anofanirwa kugadziridzwa. Pamusoro pezvo, simba re peel yealuminium plating layer inogona kuderera.
1.7Special tsananguro yemamiriro ezvinhu isina kujairika yakawanikwa mushure mekuvhara, asi "chena mavara" anoonekwa mushure mekutungamira:
Rudzi urwu rwechinetso runowanzoitika mune inoumbwa memberane zvivakwa zvine midziyo mikukutu zvakanaka. YEMAHARA / VMCPP uye PET / VMPET / PE Zvivakwa, kana iyo Membrane chimiro, kana uchishandisa KBEPP kana mafirimu eKBEP, zviri nyore kuburitsa "mavara machena" mushure mekukwezva.
Yakakwirira barrier composite mafirimu ezvimwe zvivakwa zvakare zvinowanzoitika kune dambudziko rimwe chete. Mienzaniso inosanganisira kushandisa thick aluminium foil kana mafirimu akaonda senge kny.
Chikonzero chikuru cheiyi "chena nzvimbo" phenomenon nderekuti pane gasi kubhururuka kwemukati membrane. Gasi iri rinogona kunge riri kufashukira remagetsi akasara kana kuwanda kwebhoni dioxide gasi rinogadzirwa nekuita pakati pemumiririri wekurapa uye mupfu wemvura. Mushure mekunge gasi rinopfachukira, nekuda kweiyo yakanaka chipinganidzo yeiyo firimu, haigone kudzingwa, zvichikonzera kutaridzika kwe "chena mavara" (Bubbles) muCommosite Layer.
Solution: Paunenge uchisimudzira solvent based ainesive, iyo ma parmeter yakadai seyevhenyeti tembiricha, mhepo yakawanda, uye kudzvanywa kwakashata kunofanirwa kuve kwakasarudzika kuti hapana solidual solial sol soles layer. Dzora humidity mumusangano uye sarudza yakavharwa inonamira kuunganidza system. Funga nezvekuporesa kurapa mumiririri asingabereki mabhuru. Uye zvakare, kana uchishandisa solvent based emaines, inodikanwa kuti uedze zvinyoro-nyoro mune solvent, nechinhu chinodiwa chezvinhu zvinyoro-nyoro.
Izvi zviri pamusoro sumo yeiyo "White mavara" mune mafirimu emafirimu, asi pane zvikonzero zvakasiyana-siyana izvo zvinogona kukonzera matambudziko akadaro mukugadzirwa chaiko, uye zvinodikanwa kuita marongero nekuvandudzwa zvichienderana nemamiriro ezvinhu chaiwo ekugadzira.
Kutumira Nguva: Dec-11-2023