Setịpụ Akpa Nri Zipper Foil nke nwere ihe na-eme ka oxygen na-adọrọ adọrọ

akpa Retort bụ akpa ihe mkpuchi plastik mejupụtara nke enwere ike ịgwọ ọkụ, nke nwere uru nke ma akpa mkpọ na akpa plastik na-eguzogide mmiri ọkụ.
A pụrụ ịhapụ nri ahụ n'ime akpa ahụ n'enweghị nsogbu, gbanye ya n'ime mmiri ma kpoo ya ọkụ n'ọkụ dị elu (na-abụkarị na 120~135°C), ma buru ya gaa rie. E gosipụtara ya ihe karịrị afọ iri, ọ bụ akpa nkwakọ ngwaahịa zuru oke maka ire ere. Ọ dabara adaba maka nkwakọ ngwaahịa anụ na ngwaahịa soy, ọ dị mfe, dị ọcha ma baa uru, ọ nwekwara ike idobe ụtọ mbụ nke nri ahụ, nke ndị na-azụ ahịa na-ahọrọ.
N'afọ 1960, mba Amerịka mepụtara ihe nkiri ngwakọta aluminom-plastic iji dozie nkwakọ ngwaahịa nri ụgbọelu. A na-eji ya echekwa nri anụ, a pụkwara ịchekwa ya na okpomọkụ ụlọ site na oke okpomọkụ na nrụgide dị elu, yana ndụ nchekwa ihe karịrị otu afọ. Ọrụ nke ihe nkiri ngwakọta aluminom-plastic yiri nke ite, nke dị nro ma dị mfe, ya mere a na-akpọ ya ite dị nro. Ugbu a, a na-echekwa ngwaahịa anụ nwere ogologo ndụ nchekwa na okpomọkụ ụlọ, dịka iji akpa nkwakọ ngwaahịa siri ike, ma ọ bụ iji ite tinplate na karama iko; ọ bụrụ na ị na-eji ngwugwu na-agbanwe agbanwe, ihe fọrọ nke nta ka ọ bụrụ ha niile na-eji ihe nkiri ngwakọta aluminom-plastic.

Usoro Mmepụta akpa retort nke na-eguzogide okpomọkụ dị elu. Ugbu a, a na-emepụta ọtụtụ akpa retort n'ụwa site na usoro akọrọ, enwere ike ịmepụta ụfọdụ site na usoro composing na-enweghị solvent ma ọ bụ usoro co-extrusion composing. Ọdịdị nke composing akọrọ dị elu karịa nke composing na-enweghị solvent, nhazi na njikọta nke ihe ndị ahụ dịkwa mma ma baa ụba karịa co-extrusion composing, ọ dịkwa mma iji ya karịa.

Iji mezuo ihe achọrọ maka ọrụ nke akpa retort, a na-eji ihe mkpuchi polyester siri ike nke ukwuu mee oyi akwa mpụta nke nhazi ahụ, a na-eji foil aluminom nke na-echebe ìhè, nke na-anaghị ekwe ikuku banye n'ime ya, a na-ejikwa ihe mkpuchi polypropylene mee oyi akwa dị n'ime ya. E nwere ihe owuwu akwa atọ: PET/AL/CPP, PPET/PA/CPP; ihe owuwu akwa anọ ahụ bụ PET/AL/PA/CPP.