Kusarudzwa kwezvinhu zvemhando gumi neshanu dzekurongedza kwepurasitiki
1. Mabhegi ekuputira anodziya
Zvinodiwa pakurongedza: zvinoshandiswa pakurongedza nyama, huku, nezvimwewo, zvinoda hunhu hwakanaka hwekudzivirira, kuramba kutyoka kwepfupa, kucheneswa kana zvinhu zvichipiswa nemhepo pasina kutyoka, kutsemuka, kuderera, uye kusanhuwa.
Chimiro chedhizaini: 1) Rudzi rwakajeka: BOPA/CPP, PET/CPP, PET/BOPA/CPP, BOPA/PVDC/CPPPET/PVDC/CPP, GL-PET/BOPA/CPP2) Rudzi rwefoyira yearuminiyamu: PET/AL/CPP, PA/AL/CPPPET/PA/AL/CPP, PET/AL/PA/CPP.
Zvikonzero zvekugadzira: PET: kuramba kupisa kwakanyanya, kuomarara kwakanaka, kudhinda kwakanaka, simba guru. PA: kuramba kupisa kwakanyanya, simba guru, kuchinjika, hunhu hwakanaka hwekudzivirira, kuramba kuboorwa. AL: hunhu hwakanaka hwekudzivirira kupisa kwakanyanya. CPP: giredhi rekubika pakupisa kwakanyanya, kuvhara kupisa kwakanaka, kusina chepfu uye kusina kunaka. PVDC: zvinhu zvekudzivirira kupisa kwakanyanya. GL-PET: firimu receramic vapor deposition, hunhu hwakanaka hwekudzivirira, kupenya kwe microwave. Sarudza chimiro chakakodzera chechigadzirwa chaicho. Mabhegi akajeka anonyanya kushandiswa pakupfungaira, uye mabhegi e AL foil anogona kushandiswa pakupfungaira kupisa kwakanyanya.
2. Zvinodiwa zvekudya zvine manyawi
kurongedza: chinodzivirira okisijeni, chinodzivirira mvura, kudzivirira chiedza, kusabatwa nemafuta, kuchengetedzwa kwemunhuwi, chitarisiko chisingakwenyi, mavara akajeka, uye mutengo wakaderera.
Chimiro chedhizaini: BOPP/VMCPP
Chikonzero chekugadzira: BOPP neVMCPP zvese hazvikwenyi, BOPP inogona kudhindwa zvakanaka uye ine kupenya kwakanyanya.
VMCPP ine hunhu hwakanaka hwekudzivirira, kuchengetedza kunhuhwirira uye kuramba hunyoro. CPP inewo hunhu hwakanaka hwekudzivirira mafuta.
3. Bhegi rekurongedza resoya muto
Zvinodiwa pakurongedza: kusanhuwa, kuvharwa kwepurasitiki kusingatsvedzeri kupisa, kusvibiswa kwemhepo kunodzivirira kuvharwa, hunhu hwakanaka hwekudzivirira, mutengo uri pakati nepakati.
Chimiro chedhizaini: KPA/S-PE
Chikonzero chekugadzira: KPA ine hunhu hwakanaka hwekudzivirira, yakasimba, inokurumidza kusanganiswa nePE, haisi nyore kupwanya, uye inogona kudhindwa zvakanaka. PE yakagadziriswa musanganiswa wePE dzakawanda (co-extrusion), ine tembiricha shoma yekuvhara uye inodzivirira zvakanyanya kusvibiswa kwekuvhara.
4. Kurongedza mabhisikiti
Zvinodiwa pakurongedza: zvinhu zvakanaka zvinodzivirira chiedza, zvinhu zvakasimba zvinodzivirira chiedza, zvinodzivirira mafuta, zvine simba guru, hazvinhuwi, uye zvinodzivirira kukwenywa.
Chimiro chedhizaini: BOPP/EXPE/VMPET/EXPE/S-CPP
Chikonzero chekugadzira: BOPP ine kusimba kwakanaka, inogona kudhindwa zvakanaka, uye inodhura zvishoma. VMPET ine hunhu hwakanaka hwekudzivirira, haipindi chiedza, haipindi okisijeni, uye haipindi mvura.
S-CPP ine chisimbiso chakanaka chekupisa pakupisa kwakaderera uye inodzivirira mafuta.
5. Kurongedza hupfu hwemukaka
Zvinodiwa pakurongedza: kugara kwenguva refu, kunhuhwirira nekuchengetedza kuravira, kudzivirira kuoxidation nekuora, uye kudzivirira kunyungudika kwemvura nekuungana kwemvura.
Chimiro chedhizaini: BOPP/VMPET/S-PE
Chikonzero chekugadzira: BOPP inogona kudhindwa zvakanaka, inopenya zvakanaka, yakasimba uye mutengo uri pakati nepakati. VMPET ine hunhu hwakanaka hwekudzivirira, haipindi chiedza, yakasimba uye inopenya nesimbi. Zviri nani kushandisa PET yakawedzerwa ine aruminiyamu uye gobvu AL layer.
S-PE ine chisimbiso chakanaka chekudzivirira kusvibiswa uye chisimbiso chekupisa chinopisa zvishoma.
6. Kurongedza tii yegirini
Zvinodiwa pakurongedza: kudzivirira kuora, kuchinja ruvara uye kuchinja kuravira, ndiko kuti, kudzivirira oxidation yeprotein, chlorophyll, catechin uye vitamin C iri mu green tea.
Dhizaini chimiro: BOPP/AL/PE, BOPP/VMPET/PE, KPET/PE
Chikonzero chekugadzira: AL foil, VMPET neKPET zvese zvinhu zvine hunhu hwakanaka hwekudzivirira, uye zvine hunhu hwakanaka hwekudzivirira mweya, utsi hwemvura uye hwema. AK foil neVMPET zvine hunhu hwakanaka hwekudzivirira chiedza. Mutengo wechigadzirwa uri pakati nepakati.
7. Mafuta anodyiwa
Zvinodiwa pakurongedza: kudzivirira kuora kwe oxidation uye kuora, simba rakanaka remakanika, kuramba kuputika zvakanyanya, simba guru rekubvarura, kuramba mafuta, kupenya kwakanyanya, kujeka pachena
Dhizaini chimiro: PET/AD/PA/AD/PE, PET/PE, PE/EVA/PVDC/EVA/PE, PE/PEPE
Chikonzero chekugadzira: PA, PET, PVDC dzine simba guru pakudzivirira mafuta uye dzine hunhu hwakanyanya hwekudzivirira. PA, PET, PE dzine simba guru, PE yemukati iPE yakakosha, inodzivirira kusvibiswa kwesefa, uye mhepo haina simba rakawanda.
8. Firimu remukaka
Zvinodiwa pakurongedza: hunhu hwakanaka hwezvidziviriro, hunodzivirira kuputika zvakanyanya, hunodzivirira chiedza, hunhu hwakanaka hwekuvhara kupisa, uye mutengo uri pakati nepakati. Chimiro chedhizaini: chena PE/chena PE/dema PE Chikonzero chedhizaini: PE yekunze ine kupenya kwakanaka uye simba rakawanda remakanika, PE yepakati ndiyo inotakura simba, uye chidimbu chemukati chidimbu chinovhara kupisa chine hunhu hunodzivirira chiedza, hunodzivirira, uye hunodzivirira kupisa.
9. Kurongedza kofi yakakuyiwa
Zvinodiwa pakurongedza: kudzivirira kunyudzwa kwemvura, kudzivirira kuoxidation, kuramba kusimba kwezvigadzirwa mushure mekupukuta, uye kuchengetedzwa kwekunhuhwirira kwekofi kusingachinji uye kunokurumidza kuoxidation. Chimiro chekugadzira: PET/PE/AL/PE, PA/VMPET/PE Chikonzero chekugadzira: AL, PA, VMPET dzine hunhu hwakanaka hwekudzivirira, dziviriro yemvura negasi, PE ine dziviriro yakanaka yekupisa.
10. Chokoreti
Zvinodiwa pakurongedza: hunhu hwakanaka hwekudzivirira, dziviriro yechiedza, kudhinda kwakanaka, kuvhara kupisa pakupisa kushoma. Chimiro chedhizaini: varnish yechokoreti yakachena / inki / chena BOPP / PVDC / glue yechando nut chocolate varnish / inki / VMPET / AD / BOPP / PVDC / glue yechando Chikonzero chedhizaini: PVDC neVMPET zvese zvinhu zvekudzivirira zvakanyanya, glue yechando inogona kuvharwa pakupisa kwakaderera zvakanyanya, uye kupisa hakuzokanganisi chokoreti. Sezvo nzungu dziine mafuta akawanda uye dzichikurumidza kuoxidized uye kuora, oxygen barrier layer inowedzerwa kuchimiro.
11. Bhegi rekurongedza zvinwiwa
Zvinodiwa pakurongedza: pH yezvinwiwa zvine acidic iri pasi pe4.5, zvakapiswa mumafuta, uye kazhinji zvinodzivirira. pH yezvinwiwa zvisina resipidhi iri pasi pe4.5, zvakacheneswa, uye hunhu hwekudzivirira hunofanira kunge hwakakwira.
Dhizaini chimiro: 1) Asidhi zvinwiwa: PET/PE (CPP), BOPA/PE (CPP), PET/VMPET/PE 2) Neutral zvinwiwa: PET/AL/CPP, PET/AL/PA/CPP, PET/AL/PET/CPP, PA/AL/CPP
Chikonzero chekugadzira: Pazvinwiwa zvine acidic, PET nePA zvinogona kupa zvidziviriro zvakanaka uye hazvidi kupiswa. Acid yacho inowedzera nguva yekugara. Pazvinwiwa zvisina acidity, AL inopa zvidziviriro zvakanakisisa, PET nePA zvine simba guru uye hazvidi kupiswa zvakanyanya.
12. Bhegi remvura rekuchenesa rine mativi matatu
Zvinodiwa pakurongedza: simba guru, kuramba kukanganiswa, kuramba kuputika, hunhu hwakanaka hwekudzivirira, kusimba kwakanaka, kugona kumira wakatwasuka, kuramba kupwanyika kwekumanikidzwa, kuvhara zvakanaka.
Dhizaini chimiro: ① Matatu-dimensional: BOPA/LLDPE; pazasi: BOPA/LLDPE. ② Matatu-dimensional: BOPA / yakasimbiswa BOPP / LLDPE; pazasi: BOPA/LLDPE. ③ Matatu-dimensional: PET/BOPA/yakasimbiswa BOPP/LLDPE; pazasi: BOPA/LLDPE.
Chikonzero chekugadzira: Chimiro chiri pamusoro apa chine hunhu hwakanaka hwekudzivirira, chinhu chacho chakasimba, chakakodzera mabhegi ekurongedza ane mativi matatu, uye pasi pacho panogona kuchinjika uye pakakodzera kugadziriswa. Chikamu chemukati chakagadziridzwa PE uye chinodzivirira kusvibiswa kwesefa. BOPP yakasimbiswa inowedzera simba remuchina wechinhu uye inosimbisa hunhu hwekudzivirira hwechinhu. PET inovandudza kudzivirira mvura uye simba remuchina wechinhu.
13. Chifukidziro chepurasitiki chisina utachiona
Zvinodiwa pakurongedza: Hazvina utachiona panguva yekurongedza nekushandisa.
Chimiro chedhizaini: kufukidza/AL/ganda reganda/MDPE/LDPE/EVA/ganda reganda/PET.
Chikonzero chekugadzira: PET ifirimu rekudzivirira risina utachiona rinogona kubviswa. Pakupinda munzvimbo yekurongedza isina utachiona, PET inobviswa kuti ibudise pamusoro payo pasina utachiona. AL foil peeling layer inobviswa kana mutengi anwa. Buri rekunwa rinoboorwa pachine nguva paPE layer, uye buri rekunwa rinobuda pachena kana AL foil yabviswa. AL foil inoshandiswa pakudzivirira zvakanyanya, MDPE ine kuomarara kwakanaka uye inonamatira zvakanaka pakupisa neAL foil, LDPE yakachipa, VA yemukati meEVA ndeye 7%, VA>14% haibvumirwi kubata zvakananga chikafu, uye EVA ine kupisa kwakadzika uye kusvibiswa kunodzivirira kuvhara.
14. Kurongedza mishonga yezvipembenene
Zvinodiwa pakurongedza: Sezvo mishonga yezvipembenene ine chepfu yakanyanya uye ichiisa njodzi huru kuchengetedzeka kwemunhu nekwenharaunda, kurongedza kwacho kunoda simba rakawanda, kusimba kwakanaka, kuramba kukanganiswa, kuramba kudonha, uye kuvharwa zvakanaka.
Chimiro chedhizaini: BOPA/VMPET/S-CPP
Chikonzero chekugadzira: BOPA ine kuchinjika kwakanaka, inodzivirira kuboorwa, ine simba rakawanda, uye inogona kudhindwa zvakanaka. VMPET ine simba rakawanda uye ine hunhu hwakanaka hwekudzivirira, uye inogona kushandisa zvinhu zvakakora zvekufukidza. S-CPP inopa chisimbiso chekupisa, inodzivirira ngura uye inodzivirira ngura, uye inoshandisa ternary copolymer PP. Kana kushandisa multi-layer co-extruded CPP ine high barrier EVOH uye PA layers.
15. Mabhegi anorema ekurongedza
Zvinodiwa pakurongedza: Kurongedza kwakakura kunoshandiswa pakurongedza zvigadzirwa zvekurima zvakaita semupunga, bhinzi, zvigadzirwa zvemakemikari (zvakaita sefetereza), nezvimwewo. Zvinodiwa zvikuru kusimba kwakanaka uye hunhu hunodiwa hwekudzivirira.
Dhizaini chimiro: PE / jira repurasitiki / PP, PE / bepa / PE / jira repurasitiki / PE, PE / PE
Zvikonzero zvekugadzira: PE inopa chisimbiso, kuchinjika kwakanaka, kuramba kudonha, uye simba rakawanda rejira repurasitiki.
Nguva yekutumira: Gunyana-26-2024