A matsayin kayan bugawa, fim ɗin filastik don buhunan marufi na abinci yana da ɗan gajeren tarihi.Yana da abũbuwan amfãni daga haske, nuna gaskiya, danshi juriya, oxygen juriya, airtightness, tauri da nadawa juriya, m surface, da kuma kariya na kaya, kuma zai iya sake haifar da siffar samfurin.da launi.Tare da haɓaka masana'antar petrochemical, ana samun ƙarin nau'ikan fina-finai na filastik.Fina-finan filastik da aka fi amfani da su sune polyethylene (PE), fim ɗin polyester aluminized (VMPET), fim ɗin polyester (PET), polypropylene (PP), nailan, da sauransu.
Abubuwan da ke cikin fina-finai na filastik daban-daban sun bambanta, wahalar bugawa kuma ya bambanta, kuma amfani da kayan marufi shima ya bambanta.
Fim ɗin polyethylene ba shi da launi, marar ɗanɗano, mara wari, kayan rufewar zafi mara guba mara guba, wanda aka yi amfani da shi sosai wajen yin jaka.Abu ne mara amfani, don haka ya fi wahalar bugawa kuma dole ne a sarrafa shi don buga mafi kyau.
Aluminized fim yana da duka halaye na fim ɗin filastik da halayen ƙarfe.Fim ɗin an rufe shi da aluminum don kare kariya daga haske da hasken UV, wanda ba kawai ya kara tsawon rayuwar abun ciki ba, har ma yana ƙara haske na fim din.Yana maye gurbin aluminum foil zuwa wani matsayi, kuma yana da abũbuwan amfãni daga low cost, da kyau bayyanar da kuma mai kyau shamaki Properties.Ana amfani da fina-finai na alumini a ko'ina a cikin marufi.An fi amfani da shi a cikin busasshen abinci da busassun abinci kamar biscuits, da kuma kayan waje na wasu magunguna da kayan kwalliya.
Fim ɗin polyester ba shi da launi kuma mai haske, mai tabbatar da danshi, mai iska, mai laushi, mai ƙarfi mai ƙarfi, mai tsayayya ga acid, alkali, man fetur da sauran ƙarfi, kuma baya jin tsoron high da ƙananan zafin jiki.Bayan jiyya na EDM, yana da kyakkyawan saurin saman saman zuwa tawada.Don marufi da kayan haɗin gwiwa.
Fim ɗin polypropylene yana da mai sheki da nuna gaskiya, juriya mai zafi, juriya na acid da alkali, juriya mai ƙarfi, juriya abrasion, juriya na hawaye da iskar gas mai kyau.Ba za a iya rufe zafi a ƙasa da 160 ° C ba.
Fim ɗin nailan ya fi ƙarfi fiye da fim ɗin polyethylene, mara wari, mara guba, da rashin ƙarfi ga ƙwayoyin cuta, mai, esters, ruwan zãfi da mafi yawan kaushi.Ana amfani da shi gabaɗaya don ɗaukar kaya, marufi mai jurewa da jujjuyawar marufi (sake dumama abinci) kuma yana ba da damar bugawa ba tare da jiyya ba.
Hanyoyin bugu na fina-finan robobi sun haɗa da bugu na sassauƙa, bugu na gravure da bugu na allo.Buga tawada na buƙatar ɗanko mai ƙarfi da mannewa mai ƙarfi, don haka ƙwayoyin tawada suna manne da busasshiyar saman filastik kuma ana sauƙin rabuwa da iskar oxygen a cikin iska don bushewa.Gabaɗaya, tawada don fim ɗin filastik don buga bugu yana kunshe da guduro na roba kamar amine na farko da wani kaushi na halitta mai ɗauke da barasa da pigment a matsayin manyan abubuwan haɗin gwiwa, kuma busassun tawada mai rauni yana samuwa ta hanyar isassun tarwatsewa da watsawa don samar da ruwa mai colloidal tare da ruwa mai kyau.Yana da halaye na kyakkyawan aikin bugu, mannewa mai ƙarfi, launi mai haske da bushewa mai sauri.Dace da bugu tare da madaidaicin bugu.
Fata wannan labarin zai iya taimaka muku kuma ya ba ku ƙarin koyo game da marufi.
Lokacin aikawa: Juni-16-2022