Ọdịdị na ọrụ nke EVOH Multilayer Co extruded Film

Ihe owuwu nkeihe nkiri jikọtara multilayerEnwere ike kewaa ụzọ abụọ, ya bụ nhazi usoro (A/B/A) na usoro asymmetric (A/B/C).Ka ọ dị ugbu a, ihe nkiri mgbochi na China na-abụkarị nke 5 Layers, 7 layers, 8 layers and 9 layers.The symmetrical structural oyi akwa nkemultilayer co-extrusion mgbochiIhe mejupụtara diaphragm nwere ụdị akwa atọ na-arụ ọrụ, ya bụ oyi akwa mgbochi, akwa nrapado na oyi akwa nkwado.

Ihe mgbochi mgbochi: oyi akwa mgbochi nwere ọrụ nke ikuku oxygen, mgbochi mmiri na mgbochi mmanụ.Site na njikwa ihe mgbochi ihe mgbochi na ọkpụrụkpụ, enwere ike idozi ọrụ mgbochi nke ihe nkiri iji gboo mkpa nkwakọ ngwaahịa dị iche iche (ihe mgbochi a na-ejikarị n'ahịa gụnyere PA, EVOH, PVDC, wdg.

oyi akwa na-akwado: n'ozuzu, ihe nrụzi symmetrical nwere akwa nkwado abụọ.A na-eji oyi akwa dị n'ime mee ihe maka ikpo ọkụ ọkụ, nke bụ ihe mkpuchi na-ekpo ọkụ, ebe a na-eji akwa oyi akwa mee ihe dị ka oyi akwa ma ọ bụ mpempe akwụkwọ nke ihe nkiri nkwakọ ngwaahịa.Ngwunye nkwado ahụ ga-enwe ike nrụpụta dị mma, arụ ọrụ mkpuchi okpomọkụ, nguzogide ikuku mmiri, nghọta na mbipụta.Ihe ndị a na-ahụkarị nke oyi akwa a bụ LDPE ma ọ bụ LDPE/LLDPE ngwakọta ihe.

Ngwunye nchikota: ọrụ nke akwa mkpuchi bụ ijikọ ihe mgbochi mgbochi na oyi akwa nkwado iji hụ na ike peeling n'etiti akwa.Nhọrọ nke ihe eji eme ihe na-ejikọta ya na ọkpụkpụ na-adaberekarị na ihe ndị dị na oyi akwa nkwado na ihe mgbochi mgbochi na ike njikọ dị mkpa iji chọpụta ihe ntanye eji eme ihe.

N'otu oge ahụ, ọkpụkpụ nke oyi akwa ọ bụla nwere ike gbanwee site na usoro extrusion.Site n'ịgbanwe oke nke oyi akwa mgbochi na oke nke akụrụngwa, ihe nkiri ahụ nwere ihe mgbochi dị iche iche nwere ike ime mgbanwe.Enwere ike dochie ihe oyi akwa na-ekpo ọkụ na-ekpo ọkụ ma gbanwee iji gboo mkpa nke nkwakọ ngwaahịa dị iche iche.Ngwakọta multilayer na multi-functional co-extrusion composite bụ isi ntụziaka nke mmepe nke ihe nkiri nkwakọ ngwaahịa n'ọdịnihu.

Iji gbatịa ndụ nchekwa nke nri na nkwakọ ọgwụ ugbu a, ọtụtụ ihe nkwakọ ngwaahịa na-eji ihe nkiri mejupụtara ihe mejupụtara multilayer.N'ime ngwa, ọ na-egosipụta n'ụzọ zuru ezu njirimara magburu onwe ya nke mmesi obi ike, nchekwa oyi, nchebe uto, ogologo ndụ ndụ, acid na alkali resistance, mmiri na oyi na-eguzogide, okpomọkụ na-eguzogide, obere okpomọkụ na oyi nchekwa na-eguzogide, na ike dị elu.