Tare da ci gaba da haɓaka matsayin rayuwa, ƙaƙƙarfan ƙa'idodin mutane ba su iyakance ga abincin da kansa ba.Abubuwan buƙatun kayan sa ma suna tashi.Marukunin abinci a hankali ya zama wani yanki na samfurin daga matsayinsa na reshen.Yana da mahimmanci don kare samfurin, Yana da mahimmanci don sauƙaƙe ajiya da sufuri, inganta tallace-tallace, da ƙara darajar samfurin.
Buga kayan marufi masu sassaucin ra'ayi
① Hanyoyin bugu Abinci m marufi bugu ne yafi dogara ne a kan gravure da flexographic bugu, biye da flexographic bugu inji don buga filastik fina-finai (flexographic bugu inji mafi yawa samar da samar Lines tare da bushe lamination inji), amma tare da bugu , idan aka kwatanta da general gravure bugu da kuma flexographic bugu da aka yi amfani da shi a cikin bugu na kayayyaki, akwai bambance-bambance masu yawa.Misali: Ana buga bugu mai sassauƙa a saman wani siffa mai siffa ta nadi.Idan fim ne na gaskiya, ana iya ganin tsarin daga baya.Wani lokaci yana da mahimmanci don ƙara launin farin fenti ko amfani da tsarin bugu na ciki.
② Ma'anar tsarin bugu na baya Buga baya yana nufin hanyar bugawa ta musamman da ke amfani da farantin bugu mai juyi da rubutu don canja wurin tawada zuwa cikin kayan bugu na gaskiya, ta yadda za a iya nuna hoto mai kyau da rubutu a gaba. na bugu abu.
③ Amfanin Liyin
Idan aka kwatanta da bugu na saman, abubuwan da aka buga na lilin suna da fa'idodin kasancewa mai haske da kyau, launuka masu launi / mara shuɗewa, tabbatar da danshi da juriya.Bayan da aka haɗa bugu na rufi, ana sanya tawada a tsakanin yadudduka na fim ɗin, wanda ba zai gurɓata abubuwan da aka tattara ba.
Haɗa kayan marufi masu sassaucin ra'ayi
① Rigar hadawa Hanyar: Gashi wani Layer na ruwa mai narkewa m a kan saman da tushe na kayan (fim na filastik, aluminum tsare), hada shi da sauran kayan (takarda, cellophane) ta wani matsa lamba nadi, sa'an nan kuma bushe shi a cikin wani zafi zafi. rami mai bushewa Zama membrane mai hade.Wannan hanya ta dace da shirya busassun abinci.
② Dry lamination Hanyar: da farko amfani da ƙarfi tushen m a ko'ina a kan substrate, sa'an nan aika shi zuwa ga zafi bushe ramin don cika ƙafe da sauran ƙarfi, sa'an nan kuma nan da nan laminate da wani Layer na fim.Misali, fim ɗin polypropylene mai daidaitawa (OPP) gabaɗaya ana haɗa shi tare da wasu kayan ta amfani da tsarin bushewa bayan bugu na ciki.Tsarin al'ada sune: fim ɗin polypropylene mai daidaitacce (BOPP, 12 μm), foil aluminum (AIU, 9 μm) da fim ɗin Stretched polypropylene unidirectional (CPP, 70 μm).Tsarin shine a yi amfani da na'urar shafa abin nadi don a ko'ina gashi "bushe foda" na tushen ƙarfi akan kayan tushe, sa'an nan kuma aika shi zuwa rami mai bushewa don cika ƙafewar da sauran ƙarfi kafin laminating shi da wani Layer na fim ta amfani da laminating abin nadi.
③ Hanyar haɗakarwa ta extrusion tana fitar da labule-kamar narkakkar polyethylene daga tsagewar T mold, danna shi ta cikin abin nadi, kuma ya zubar da shi a kan takarda ko fim don murfin polyethylene, ko samar da wasu fina-finai daga sashin ciyar da takarda na biyu.Yi amfani da polyethylene azaman manne Layer don haɗawa.
④ Hanyar hadaddiyar zafi mai zafi: Polyethylene-acrylate copolymer, ethylene acid-ethylene copolymer, da paraffin wax suna mai zafi kuma suna narke tare, sa'an nan kuma an shafe su a kan ma'auni, nan da nan an haɗa su tare da sauran kayan haɗin gwiwa sannan a sanyaya.
⑤Multi-Layer extrusion hadawa hanya
Daban-daban na resin filastik tare da kaddarorin daban-daban suna wucewa ta hanyar extruders da yawa kuma an fitar da su a cikin ƙirar don samar da fim.Wannan tsari baya buƙatar adhesives ko abubuwan kaushi na halitta tsakanin yadudduka, kuma fim ɗin ba shi da wari ko shigar da ƙarfi mai cutarwa, yana sa ya dace da marufi na abinci tare da rayuwa mai tsayi.Misali, tsarin gaba ɗaya na LLDPE/PP/LLDPE yana da fayyace mai kyau kuma kauri shine gabaɗaya 50-60μm.Idan yana da tsawon rairayi.Fiye da yadudduka biyar na manyan fina-finai tare da haɗin gwiwa ana buƙatar, kuma an yi tsakiyar Layer na manyan kayan shinge PA, PET da EVOH.
Lokacin aikawa: Maris 13-2024
