Coextrusion multilayer kurongedza mafirimu uye pouches
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Multilayer coextrusion firimu
Kuti uwedzere hupenyu hwesherufu yezvokudya, mishonga uye zvimwe zvinhu, zvizhinji zvezvokudya uye zvinodhaka zvekurongedza zvinhu zvino zvinoshandisa multi-layer co-extrusion composite mafirimu.Parizvino, kune maviri, matatu, mashanu, manomwe, mapfumbamwe, uye kunyange gumi nerimwe akaturikidzana ezvakasanganiswa zvekurongedza zvinhu.Multi-layer co-extrusion firimu ifirimu inobudisa zvakasiyana-siyana zvepurasitiki kubva kune imwe chete inofa panguva imwe chete kuburikidza nematanho akawanda, ayo anogona kupa kutamba kune zvakanakira zvinhu zvakasiyana.
Multi-layer co-extruded composite firimu rinonyanya kuumbwa ne polyolefin.Parizvino, zvivako zvinoshandiswa zvakanyanya zvinosanganisira: polyethylene / polyethylene, polyethylene / vinyl acetate copolymer / polypropylene, LDPE / adhesive layer / EVOH / adhesive layer / LDPE, LDPE / adhesive layer / EVOH / EVOH / adhesive layer / LDPE.Ukobvu hwega hwega hunogona kugadziriswa ne extrusion process.Nekugadzirisa kukora kwechivharo chevhavha uye kushandiswa kwezvinhu zvakasiyana-siyana zvinodzivirira, iyo firimu ine zvakasiyana-siyana zvipingamupinyi zvingagadziriswa zvakagadziriswa, uye kupisa kwekuvhara zvinhu zvinogonawo kuchinjwa uye kugoverwa kuti zvizadzise zvinodiwa zvekuputira zvakasiyana.Iyi multilayer uye yakawanda-inoshanda co-extrusion kombindi ndiyo inotungamira nzira yekuvandudzwa kwekurongedza zvinhu zvemufirimu mune ramangwana.