Ihe mkpuchi aluminom ọ bụghị naanị nwere njirimara nke ihe nkiri plastik, kamakwa ruo n'ókè ụfọdụ na-anọchi anya foil aluminum, na-ekere òkè n'ịkwalite ọkwa ngwaahịa, yana ọnụ ala dị ala. Ya mere, a na-ejikarị ya na nkwakọ ngwaahịa biscuits na nri nri. Otú ọ dị, na mmepụta usoro, a na-enwekarị nsogbu nke nnyefe oyi akwa aluminom, nke na-eduga n'ịbelata ike peeling nke ihe nkiri ahụ mejupụtara, na-eme ka mbelata arụmọrụ ngwaahịa, na ọbụna na-emetụta àgwà nke nkwakọ ngwaahịa. Kedu ihe kpatara nnyefe nke mkpuchi aluminom? Kedu ihe ekwesịrị ịṅa ntị na ọrụ nke teknụzụ mejupụtara?
Kedu ihe kpatara mkpuchi aluminom ji adịkarị mfe delamination?
Ka ọ dị ugbu a, ihe nkiri aluminom a na-ejikarị eme ihe bụ CPP aluminum plating film na PET aluminum plating film, na ihe ndị mejupụtara ihe nkiri ihe nkiri kwekọrọ na ya gụnyere OPP/CPP aluminum plating, PET/CPP aluminum plating, PET/PET aluminum, and so on. N'ime ngwa bara uru, akụkụ kacha nwee nsogbu bụ PET composite PET aluminum plating.
Isi ihe kpatara nke a bụ na dị ka mkpụrụ maka aluminom plating, CPP na PET nwere nnukwu ọdịiche dị n'ichepụta ihe. PET nwere ihe siri ike dị elu, yana ngwa ngwa jikọtara ya na ihe ndị nwekwara nnukwu isi ike.n'oge usoro ọgwụgwọ nke ihe nkiri ntanye ahụ, ọnụnọ nke ịdị n'otu nwere ike ime ka ọ dị mfe imebi ihe nkedo nke mkpuchi aluminom, na-eduga ná mbugharị nke mkpuchi aluminom. Tụkwasị na nke ahụ, mmetụta nkwụsị nke nrapado n'onwe ya nwekwara mmetụta ụfọdụ na ya.
Akpachara anya n'oge nhazi usoro nhazi
N'ime ọrụ nke usoro ihe mejupụtara, ekwesịrị itinye uche na akụkụ ndị a:
(1) Họrọ nrapado kwesịrị ekwesị.Mgbe ihe mkpuchi aluminom mejupụtara, kpachara anya ka ị ghara iji adhesives nwere obere viscosity, ebe ọ bụ na adhesives viscosity dị obere nwere obere arọ molecular na ike intermolecular na-adịghị ike, na-ebute ọrụ molekụla siri ike ma na-enwekarị ike imebi nrapado ha na mkpụrụ site na mkpuchi aluminom nke. ihe nkiri.
(2) Mee ka ịdị nro nke ihe nkiri nrapado dịkwuo mma.Usoro a kapịrị ọnụ bụ iji belata ọnụ ọgụgụ nke onye na-agwọ ọrịa mgbe ị na-akwadebe nrapado na-arụ ọrụ, ka ọ wee belata ogo nke mmeghachi omume crosslinking n'etiti onye isi na onye na-agwọ ọrịa, si otú ahụ belata brittleness nke ihe ntanye ihe nkiri na ịnọgide na-enwe ezi mgbanwe na extensibility. nke na-enyere aka ịchịkwa nnyefe nke mkpuchi aluminom.
(3) Ọnụ ego gluu etinyere kwesịrị ekwesị.Ọ bụrụ na ọnụ ọgụgụ nke nrapado etinyere dị ntakịrị, ihe ịrụ ụka adịghị ya na ọ ga-eme ka ngwa ngwa ihe mejupụtara dị ala na ncha dị mfe; Ma ọ bụrụ na ọnụ ọgụgụ nke nrapado etinyere buru ibu, ọ dịghị mma. Nke mbụ, ọ bụghị akụ na ụba. Nke abuo, nnukwu ego nke nrapado etinyere na ogologo oge ọgwụgwọ nwere mmetụta ntinye siri ike na oyi akwa aluminum. Ya mere, ekwesịrị ịhọrọ gluu kwesịrị ekwesị.
(4) Jikwaa esemokwu ahụ nke ọma. Mgbe ị na-atụgharị aluminum plating,A ghaghị ịchịkwa esemokwu ahụ nke ọma ma ọ bụghị oke elu. Ihe kpatara ya bụ na mkpuchi aluminom ga-agbatị n'okpuru esemokwu, na-eme ka ọkpụkpụ na-agbanwe agbanwe. Ihe mkpuchi aluminom na-adị mfe ịtọpụ ma na-ebelata nrapado ahụ.
(5) Ọsọ ntozu okè.Na ụkpụrụ, a ga-amụba okpomọkụ ọgwụgwọ iji mee ka ngwa ngwa ọgwụgwọ ahụ dịkwuo elu, ka o wee mee ka ụmụ irighiri ihe ndị na-eri nri na-eme ka ngwa ngwa sie ike ma belata mmetụta mmebi ntinye.
Isi ihe kpatara nnyefe aluminom plating
(1) Ihe na-akpata nrụgide dị n'ime na gluu
N'oge usoro ọgwụgwọ okpomọkụ dị elu nke nrapado akụkụ abụọ, nrụgide dị n'ime ya na-eme site na ngwa ngwa crosslinking n'etiti onye isi na onye na-agwọ ọrịa na-eme ka aluminom na-ebufe. Enwere ike igosi ihe kpatara ya site na nnwale dị mfe: ma ọ bụrụ na a naghị etinye ihe mkpuchi aluminom mejupụtara n'ime ụlọ ọgwụgwọ ma gwọọ ya na ọnụ ụlọ okpomọkụ (ọ na-ewe ọtụtụ ụbọchị iji gwọọ ya n'ụzọ zuru ezu, na-enweghị ihe mmepụta ihe bara uru, naanị nnwale), ma ọ bụ gwọọ ya. na ụlọ okpomọkụ ruo ọtụtụ awa tupu ịbanye n'ime ụlọ ọgwụgwọ, a ga-ebelata ma ọ bụ kpochapụ ihe ngosi nke nnyefe aluminom.
Anyị chọpụtara na iji 50% ihe nkwekọ siri ike na-eme ka ihe nkiri alumini na-emepụta ihe na-emepụta ihe, ọ bụrụgodị na ọ nwere ihe ntanye ọdịnaya siri ike dị ala, ga-eme ka omume mbufe dị mma. Nke a bụ kpọmkwem n'ihi na usoro netwọk nke e kpụrụ site na ntanye ọdịnaya siri ike dị ala n'oge usoro crosslinking adịghị oke dị ka usoro netwọk nke e guzobere site na adhesives ọdịnaya siri ike dị elu, na nrụgide dị n'ime ya na-emepụta abụghị otu, nke na-ezughị ezu n'ụdị dị iche iche. mee ihe na mkpuchi aluminom, si otú a na-ebelata ma ọ bụ wepụ ihe omume nke nnyefe aluminom.
Ewezuga ntakịrị ọdịiche dị n'etiti onye na-ahụ maka isi na nrapado nkịtị, onye na-agwọ ọrịa maka nrapado aluminom n'ozuzu na-adịkarị obere karịa nrapado nkịtị. E nwekwara ebumnuche iji belata ma ọ bụ belata nrụgide dị n'ime ahụ site na crosslinking adhesive n'oge usoro ọgwụgwọ, iji belata nnyefe nke oyi akwa aluminum plating. Ya mere, n'onwe m, ekwenyere m na usoro nke "iji ngwa ngwa na-ekpo ọkụ na-ekpo ọkụ iji dozie nnyefe nke mkpuchi aluminom" agaghị ekwe omume, kama ọ na-abaghị uru. Ọtụtụ ndị na-emepụta ihe ugbu a na-eji adhesives dabeere na mmiri mgbe mejupụtara ihe nkiri aluminom na-emepụta ihe, nke nwekwara ike igosi site na njirimara nhazi nke ihe nkwụnye mmiri.
(2) Ihe mere na-agbatị deformation nke mkpa fim
Ihe ọzọ pụtara ìhè nke nnyefe aluminom bụ nke a na-ahụkarị na ngwakọta nke okpukpu atọ, ọkachasị n'ụdị PET/VMPET/PE. Ọtụtụ mgbe, anyị na-ebu ụzọ emepụta PET/VMPET. Mgbe ngwakọta na oyi akwa a, a naghị ebufe ihe mkpuchi aluminom. Aluminom mkpuchi naanị na-ebufe mgbe oyi akwa nke atọ nke PE mejupụtara. Site nnwale, anyị chọpụtara na mgbe peeling a atọ oyi akwa mejupụtara sample, ma ọ bụrụ na a ụfọdụ ego nke esemokwu etinyere sample (ie artificially tightening sample), na aluminum mkpuchi agaghị nyefee. Ozugbo ewepụrụ esemokwu ahụ, mkpuchi aluminom ga-ebufe ozugbo. Nke a na-egosi na nrụrụ mbelata nke ihe nkiri PE na-emepụta mmetụta dị ka nrụgide dị n'ime nke a na-emepụta n'oge usoro ọgwụgwọ nrapado. Ya mere, mgbe ngwaahịa ndị mejupụtara nwere ụdị nke atọ dị otú ahụ, a ga-ebelata nrụrụ ihe nkedo nke ihe nkiri PE dị ka o kwere mee iji belata ma ọ bụ kpochapụ ihe ngosi nke nnyefe aluminom.
Isi ihe mere aluminom plating nyefe ka bụ ihe nkiri deformation, na nke abụọ kpatara ya bụ nrapado. N'otu oge ahụ, ihe owuwu aluminom na-atụ egwu mmiri, ọ bụrụgodị na mmiri abanye n'ime oyi akwa nke ihe nkiri alumini, ọ ga-eme ka delamination siri ike.
Oge nzipu: Ọktoba 28-2023
