Mweghachiakpa na-mere nke multi-layer mkpa film ihe, nke a mịrị amị ma ọ bụ co extruded na-etolite a ụfọdụ size akpa. The mejupụtara ihe nwere ike kewaa n'ime 9 ụdị, nameghariaakpa mere ga-enwe ike iguzogide oke okpomọkụ yana mgbochi mmiri mmiri. Nhazi nhazi ya kwesịkwara izute ihe ndị a chọrọ nke ọma mkpuchi okpomọkụ, nkwụsị ọkụ, mmiri na-eguzogide, ike dị elu, na nnukwu ihe mgbochi.
1. Ihe nkiri PET
A na-eme ihe nkiri BOPET site n'iwepụ resin PET site na ihe nkiri T na ịgbatị biaxial, nke nwere ezigbo ihe.
(1) Ezi arụrụ arụ ọrụ. Ike nkwụsi ike nke ihe nkiri BOPET bụ nke kachasị elu n'etiti ihe nkiri plastik niile, na ngwaahịa dị oke mkpa nwere ike gboo mkpa, na ike siri ike na ike siri ike.
(2) Ezigbo oyi na nguzogide okpomọkụ. Okpomọkụ dị nso nke ihe nkiri BOPET sitere na 70 ruo 150 ℃, na-ejigide ihe anụ ahụ dị mma karịa oke okpomọkụ, na-eme ka ọ dabara maka ọnụ ọgụgụ ka ukwuu nke nkwakọ ngwaahịa ngwaahịa.
(3) Ọmarịcha ihe mgbochi arụmọrụ. Ọ nwere ọmarịcha mmiri na nguzogide gas, n'adịghị ka naịlọn, nke iru mmiri na-emetụta nke ukwuu. Ọnụego nguzogide mmiri ya yiri PE, yana ọnụọgụ permeability ya dị obere. Ọ nwere nnukwu ihe mgbochi nke ikuku na isi, ọ bụkwa otu n'ime ihe na-ejisi ísì ụtọ.
(4) Nguzogide kemịkalụ, nguzogide mmanụ, yana ọtụtụ ihe mgbaze, acid dilute, dilute alkalis, wdg.
2. Ihe nkiri BOPA
Ihe nkiri BOPA bụ ihe nkiri na-agbatị biaxial, nke enwere ike nweta site na ịfụ na ịgbatị biaxial n'otu oge. Enwere ike ịgbatị ihe nkiri a nke nta nke nta site na iji usoro extrusion T-ebu, ma ọ bụ gbatịa ya n'otu oge site na iji usoro ịkpụzi ihe. Njirimara ihe nkiri BOPA bụ ndị a:
(1) Ezigbo ike. Ike ike, ike ndọka, ike mmetụta, na ike nkwụsị nke ihe nkiri BOPA bụ ihe kachasị mma n'etiti ihe plastik.
(2) Mgbanwe pụtara ìhè, nkwụsị oghere agịga, na ihe isi ike n'ịkụnye ihe dị n'ime ya bụ akụkụ bụ isi nke BOPA, na-enwe mgbanwe dị mma na ezigbo nkwakọ ngwaahịa.
(3) Ngwongwo ihe mgbochi dị mma, njigide ísì ọma, ezigbo nguzogide kemịkalụ ndị ọzọ karịa acid siri ike, karịsịa mmanụ na-eguzogide.
(4) The okpomọkụ nso bụ obosara, na-agbaze ebe nke 225 ℃, na ike ga-eji ruo ogologo oge n'etiti -60 ~ 130 ℃. Ngwongwo akụrụngwa nke BOPA na-anọgide na-eguzosi ike na obere okpomọkụ ma dị elu.
(5) Arụ ọrụ nke ihe nkiri BOPA na-emetụta oke iru mmiri, karịsịa n'ihe gbasara nkwụsi ike akụkụ na ihe mgbochi. Mgbe ọ nwesịrị mmiri mmiri, ihe nkiri BOPA na-agbatịkarị n'akụkụ, ewezuga wrinkling. Mkpirisi ogologo ogologo, yana oke elongation nke 1%.
3. Ihe nkiri CPP
Ihe nkiri CPP, nke a makwaara dị ka ihe nkiri nkedo polypropylene, abụghị ihe nkiri polypropylene na-agbatị, na-enweghị mgbakwasa. Kewara n'ime homopolymer CPP na copolymer CPP dịka akụrụngwa siri dị. Isi akụrụngwa maka isi nri ọkwa CPP ihe nkiri bụ mgbochi copolymer mmetụta polypropylene na-eguzogide. Ihe ndị chọrọ ịrụ ọrụ bụ: ebe okpomọkụ dị nro nke Vicat kwesịrị ịdị elu karịa ọkụ ọkụ, mmetụta nkwụsị kwesịrị ịdị mma, nkwụsị nke ọkara kwesịrị ịdị mma, na anya azụ na kristal kwesịrị ịdị ole na ole dị ka o kwere mee.
4. Aluminom foil
Aluminom foil bụ naanị ụdị mpempe ígwè dị na ngwongwo ngwongwo dị nro, nke a na-eji maka nkwakọ ngwaahịa na ogologo oge ngwa. Aluminom foil bụ ihe ọla na-enweghị ihe mgbochi mmiri na-enweghị atụ, nguzogide gas, mkpuchi ọkụ, na njigide ekpomeekpo ma e jiri ya tụnyere ihe nkwakọ ngwaahịa ọ bụla. Ọ bụ ihe nkwakọ ngwaahịa na-enweghị ike dochie ya kpamkpam ruo taa.
5. Ceramic evaporation mkpuchi
Ihe mkpuchi mkpuchi seramiiki bụ ụdị ihe nkiri nkwakọ ngwaahịa ọhụrụ, nke a na-enweta site na vaporizing metal oxides n'elu ihe nkiri plastik ma ọ bụ akwụkwọ dị ka mkpụrụ n'ime akụrụngwa oghere dị elu. Njirimara nke mkpuchi vapor seramiiki gụnyere:
(1) Ọmarịcha ihe mgbochi arụmọrụ, ihe fọrọ nke nta ka ọ bụrụ ihe atụnyere ihe mejupụtara foil aluminum.
(2) Ezi nghọta, ngwa ndakwa nri permeability, elu okpomọkụ na-eguzogide, adabara maka ngwa ndakwa nri nri.
(3) Njide isi ísì ọma. Mmetụta dị ka nkwakọ ngwaahịa iko, ọ gaghị emepụta ísì ọ bụla mgbe nchekwa ogologo oge ma ọ bụ ọgwụgwọ okpomọkụ dị elu.
(4) Ezi enyi gburugburu ebe obibi. Obere ọkụ ọkụ na obere ihe fọdụrụ mgbe emechara ya ọkụ.
6. Ihe nkiri ndị ọzọ dị mkpa
(1) Ihe nkiri PEN
Ọdịdị nke PEN yiri PET, ọ nwekwara ihe dị iche iche nke PET, na ihe fọrọ nke nta ka ọ bụrụ ihe niile ya dị elu karịa PET. Ọmarịcha arụmọrụ zuru oke, ike dị elu, ezigbo nguzogide okpomọkụ, arụmọrụ mgbochi dị mma, na nghọta. Nguzogide UV pụtara ìhè bụ isi ihe kachasị na PEN. Ihe mgbochi PEN na-egbochi uzuoku mmiri ji okpukpu 3.5 karịa nke PET, ihe mgbochi ya na gas dị iche iche ji okpukpu anọ karịa nke PET.
(2) ihe nkiri BOPI
BOPI nwere oke okpomọkụ obosara nke ukwuu, sitere na -269 ruo 400 ℃. Ihe nkiri emechaala mmeghachi omume enweghị ebe mgbaze, na iko mgbanwe okpomọkụ dị n'etiti 360 ka 410 ℃. Enwere ike iji ya na-aga n'ihu na ikuku na 250 ℃ maka ihe karịrị afọ 15 na-enweghị mgbanwe arụmọrụ dị ịrịba ama. BOPI nwere ọmarịcha arụmọrụ zuru oke, akụrụngwa anụ ahụ na akụrụngwa dị elu, nguzogide radieshon, nkwụsi ike nke kemịkalụ, nkwụsi ike akụkụ, yana mgbanwe na nkwụchi mpịachi.
(3) ihe nkiri PBT
Ihe nkiri PBT bụ otu n'ime ihe nkiri polyester thermoplastic, ya bụ ihe nkiri butylene terephthalate. Njupụta bụ 1.31-1.34g / cm ³, ebe agbaze bụ 225 ~ 228 ℃, na iko mgbanwe okpomọkụ bụ 22 ~ 25 ℃. Ihe nkiri PBT nwere akụrụngwa dị elu ma e jiri ya tụnyere ihe nkiri PET. PBT nwere ezigbo nguzogide okpomọkụ, nkwụsị mmanụ, njide ísì, na ihe mkpuchi okpomọkụ, na-eme ka ọ dị mma maka akpa nkwakọ ngwaahịa ejiri na mmepụta nke nri microwave. Ihe nkiri PBT nwere ezigbo ihe mgbochi ma enwere ike iji ya mee nkwakọ ngwaahịa ekpomeekpo. Ihe nkiri PBT nwere ezigbo nguzogide kemịkalụ.
(4) ihe nkiri TPX
A na-emepụta ihe nkiri TPX site na copolymerization nke 4-methylpentene-1 na obere ego nke 2-olefin (3% ~ 5%), yana plastik kachasị mfe nke nwere nnukwu ike nke naanị 0.83g / cm ³, arụmọrụ ndị ọzọ dịkwa oke. magburu onwe ya. Tụkwasị na nke ahụ, TPX nwere ezigbo okpomọkụ na-eguzogide ma bụrụ ihe kachasị na-eguzogide okpomọkụ n'etiti polyolefins. Ọ nwere ihe na-agbaze crystallization nke 235 ℃, ezigbo igwe akụrụngwa, modul tensile dị elu na elongation dị ala, nguzogide kemịkalụ siri ike, nguzogide mmanụ, nnukwu iguzogide acid, alkali, na mmiri, yana iguzogide ọtụtụ hydrocarbons. Ọ nwere ike iguzogide okpomọkụ ihe mgbaze ruo 60 ℃, karịa plastik ndị ọzọ transperent. Ọ nwere nnukwu nghọta na nnyefe nke 98%. Ọdịdị ya doro anya kristal, ịchọ mma, ma nwee ntinye ngwa ndakwa nri siri ike.
Ọ bụrụ na ị nwere ihe ọ bụla retort obere akpa chọrọ, ị nwere ike ịkpọtụrụ anyị. Dị ka onye nrụpụta nkwakọ ngwaahịa na-agbanwe ihe karịrị afọ 20, anyị ga-enye azịza nkwakọ ngwaahịa ziri ezi dịka mkpa ngwaahịa na mmefu ego gị si dị.
Oge nzipu: Nov-04-2023
