1. Pusa afifi ma meafaitino tu'ufa'atasi
(1) Pusa afifi tu'ufa'atasi
1. E mafai ona vaevaeina pusa afifiina tu'ufa'atasi i ni pusa pepa/palasitika tu'ufa'atasi, pusa alumini/palasitika tu'ufa'atasi, ma pusa pepa/alumini/palasitika tu'ufa'atasi e tusa ai ma meafaitino. E iai ona uiga lelei e puipuia ai.
2. E mafai ona vaevaeina pusa pepa/palasitika i taga pepa/palasitika, ipu pepa/palasitika, pesini pepa/palasitika, ipu pepa/palasitika ma pusa 'aiga pepa/palasitika e tusa ai ma o latou foliga.
3. E mafai ona vaevaeina pusa alumini/palasitika i taga alumini/palasitika, paelo alumini/palasitika, pusa alumini/palasitika, ma isi mea faapena e tusa ai ma o latou foliga.
4. E mafai ona vaevaeina pusa pepa/alumini/palasitika i taga pepa/alumini/palasitika, paipa pepa/alumini/palasitika, ma taga pepa/alumini/palasitika e tusa ai ma o latou foliga.
(2) Mea afifi tu'ufa'atasi
1. E mafai ona vaevaeina mea e afifiina ai mea tu'ufa'atasi i pepa/mea tu'ufa'atasi palasitika, alumini/mea tu'ufa'atasi palasitika, pepa/alumini/mea tu'ufa'atasi palasitika, pepa/pepa tu'ufa'atasi mea, palasitika/mea tu'ufa'atasi palasitika, ma isi mea fa'apena e tusa ai ma a latou mea, e maualuga le malosi fa'amekanika, pa puipui, fa'amaufa'ailoga, puipuiga o le malamalama, tumama, ma isi mea fa'apena.
2. E mafai ona vaevaeina pepa/mea fa'apipi'i palasitika i pepa/PE (polyethylene), pepa/PET (polyethylene terephthalate), pepa/PS (polystyrene), ma pepa/PP (propylene).
3. E mafai ona vaevaeina mea fa'apipi'i alumini/palasitika i pepa alumini/PE (polyethylene), pepa alumini/PET (polyethylene terephthalate), pepa alumini/PP (polypropylene), ma isi mea fa'apena e tusa ai ma le mea e gaosia ai.
4. E mafai ona vaevaeina mea fa'apipi'i pepa/alumini/palasitika i pepa/alumini pepa alumini/PE (polyethylene), pepa/PE (polyethylene)/alumini pepa alumini/PE (polyethylene) ma isi mea fa'apena.
2. Faapuupuuga ma Faatomuaga
AL - pepa alumini
Ata tifaga polyamide fa'atulagaina fa'alua BOPA (NY)
BOPET (PET) ata polyester e fa'atulagaina fa'alua
Ata tifaga polypropylene BOPP e fa'atulagaina fa'alua
Ata tifaga polypropylene fa'apala CPP
Palasitika vinyl-acrylic EAA
Palasitika EEAK ethylene-ethyl acrylate
Palasitika vinyl-methacrylic EMA
Palasitika EVAC ethylene-vinyl acetate
IONOMER Ionic Copolymer
PE polyethylene (e mafai ona aofia ai le PE-LD, PE-LLD, PE-MLLD, PE-HD, PE ua suia, ma isi):
——PE-HD Polyethylene Mamafa Maualuga
——PE-LD Polyethylene Mamafa Maualalo
——PE-LLD polyethylene mafiafia maualalo laina
——PE-MD polyethylene mafiafia feololo
——PE-MLLD taga u'amea polyethylene maualalo le mafiafia
PO polyolefin
PT cellophane
VMCPP vacuum aluminized polypropylene
VMPET vacuum aluminized polyester
BOPP (OPP)——ata tifaga polypropylene e fa'asino i itu uma e lua, o se ata tifaga e faia i le polypropylene o le mea autu ma fa'aloaloa i itu uma e lua e ala i le metotia o le ata tifaga mafolafola. E maualuga lona malosi e toso ai, maualuga lona ma'a'a, ma manino. Lelei, lelei le pupula, maualalo le fa'atinoga tumau, sili ona lelei le fa'atinoga lolomi ma le pipii o le ufiufi, sili ona lelei le ausa vai ma meatotino pa puipui, o lea e fa'aaogaina lautele ai i le tele o pisinisi afifiina.
PE - Polyethylene. O se resin thermoplastic e maua mai i le polymerization o le ethylene. I le alamanuia, e aofia ai fo'i copolymers o le ethylene ma sina vaega itiiti o α-olefins. E leai se manogi o le Polyethylene, e le o'ona, e pei o le wax, e matua'i tete'e atu i le vevela maualalo (e mafai ona o'o atu le vevela maualalo o le fa'agaioiga i le -100~-70°C), e lelei le tumau o vaila'au, ma e mafai ona tete'e atu i le tele o le 'acid ma le alkali ele (e le tete'e atu i le oxidation) natura o le acid). E le mafai ona solo i totonu o solvents masani i le vevela o le potu, e itiiti le mitiia o le vai, e sili ona lelei le insulation eletise.
CPP—o lona uiga, o le ata polypropylene ua fa'apala, e ta'ua fo'i o le ata polypropylene e le'i fa'aloaloa, e mafai ona vaevaeina i le ata lautele CPP (CPP Aoao, GCPP mo le pu'upu'u) ma le ata alumini-ufi CPP (Metalize CPP, MCPP mo le pu'upu'u) e tusa ai ma fa'aoga eseese ma le ata kuka CPP (Retort CPP, RCPP mo le pu'upu'u), ma isi.
VMPET - e faasino i le ata polyester alumini. E fa'aoga i le ata puipui i luga o afifiina o mea'ai mago ma mea'ai ua palu e pei o pisiketi ma le afifiina i fafo o nisi vaila'au ma mea teuteu.
O le ata alumini e iai uiga o se ata palasitika ma uiga o se uʻamea. O le matafaioi o le ufiufi alumini i luga o le ata o le faʻamalu ma puipuia ai le ave o le ultraviolet, lea e le gata ina faʻaumiumi ai le umi e teu ai mea o loʻo i totonu, ae faʻaleleia atili ai foʻi le pupula o le ata. , o le faʻaaogaina o le ata alumini i afifiina tuʻufaʻatasi e matua lautele lava. I le taimi nei, e masani ona faʻaaogaina i le afifiina o meaʻai mago ma meaʻai ua palu e pei o pisiketi, faʻapea foʻi ma le afifiina i fafo o nisi vailaʻau ma mea teuteu.
PET - e ta'ua fo'i o le ata polyester e tete'e atu i le vevela maualuga. E iai ona uiga fa'aletino lelei, uiga fa'akemikolo ma le mautu o le tele, manino, ma le mafai ona toe fa'aaogaina, ma e mafai ona fa'aaogaina lautele i le fa'amaumauga fa'amaneta, mea e ma'ale'ale i le malamalama, mea fa'aeletoronika, mea e fa'avevela ai le eletise, ata tifaga fa'apisinisi, teuteuga o afifiina, puipuiga o lau, fa'ata opitika Puipuiga o luga ma isi matā'upu. Fa'ata'ita'iga o ata polyester e tete'e atu i le vevela maualuga: FBDW (tasi itu uliuli matte) FBSW (lua itu uliuli matte) Fa'amatalaga o ata polyester e tete'e atu i le vevela maualuga Mafiafia lautele lautele o le ta'avale lautele autu 38μm~250μm 500~1080mm 300mm~650mm 76mm(3〞), 152mm (6〞) Manatua: E mafai ona gaosia fa'amatalaga o le lautele e tusa ai ma mana'oga moni. O le umi masani o le ta'avale ata tifaga e 3000m pe 6000 tutusa ma le 25μm.
PE-LLD—Linear Low Density Polyethylene (LLDPE), e leai se oona, leai se tofo, leai se manogi o ni fasi susu paʻepaʻe e 0.918~0.935g/cm3 lona mafiafia. Pe a faʻatusatusa i le LDPE, e maualuga atu lona vevela o le faʻamalūlūina ma le vevela o le liusuavai, ma e iai foʻi ona lelei o le malosi tele, lelei le maʻaʻa, maualuga le maʻaʻa, teteʻe i le vevela, ma le teteʻe i le malulu. E iai foʻi lona teteʻe lelei i le malepelepe o le siosiomaga, malosi i le paʻi, ma le tumau. Malosi i le masae ma isi meatotino, ma e mafai ona teteʻe i acids, alkalis, organic solvents, ma isi mea ma e faʻaaogaina lautele i matata o alamanuia, faʻatoʻaga, vailaʻau, tumama ma mea e manaʻomia i aso taʻitasi. O le linear low-density polyethylene (LLDPE) resin, e taʻua o le polyethylene tupulaga lona tolu, e iai lona malosi tensile, malosi i le masae, teteʻe i le malepelepe o le siosiomaga, teteʻe i le vevela maualalo, ma e sili atu le lelei o le teteʻe i le vevela ma le tuʻi.
BOPA (NYLON) - o le fa'apu'upu'uga Peretania o le Biaxially oriented polyamide (nylon) film. O le Biaxially oriented nylon film (BOPA) o se mea taua mo le gaosiga o mea afifi eseese, ma ua avea ma mea afifi lona tolu sili ona tele pe a uma le BOPP ma le BOPET films.
O le ata Nylon (e taʻua foʻi o le PA) O le ata Nylon o se ata e matuā malosi ma manino lelei, pupula lelei, malosi tele i le tosoina ma le malosi o le tosoina, ma teteʻe lelei i le vevela, teteʻe i le malulu ma le suāuu. Teteʻe lelei i vailaʻau faʻaola, teteʻe i le olo, teteʻe i le pu, ma e fai si vaivai, teteʻe lelei i le okesene, ae e le lelei le pa puipui i le ausa o le vai, maualuga le mitiia o le susu, sosolo o le susu, le lelei le faʻamaufaʻailogaina i le vevela, e talafeagai mo le afifiina o mea maʻaʻa, e pei o meaʻai gaʻo, oloa aano o manu, meaʻai falai, meaʻai e teu i le vacuum, meaʻai kukaina, ma isi mea faapena.
O a matou ata tifaga ma laminates e faia ai se vaega o le puipuiga e puipuia ai lau oloa mai soʻo se faʻaleagaina pe a uma ona afifiina. E tele ituaiga o mea e afifi ai e aofia ai le polyethylene, polyester, nylon, ma isi o loʻo lisiina i lalo e faʻaaogaina e fai ai lenei pa puipui laminate.
Fesili e Masani Ona Fesiligia
Fesili 1: E fa'apefea ona filifili mea e fai ai mea'ai fa'a'aisa?
Tali: O afifiina palasitika fetuutuunai e faʻaaogaina i le matata o meaʻai faʻaʻaisa e vaevaeina tele i vaega e tolu: o le vaega muamua o taga e tasi le vaega, e pei o taga PE, e le lelei le aʻafiaga o le pa puipui ma e masani ona faʻaaogaina mo afifiina o fualaau faisua, ma isi; o le vaega lona lua o taga palasitika fetuutuunai tuʻufaʻatasi, e pei o taga OPP //PE (le lelei), NYLON //PE (PA //PE e sili atu), ma isi, e iai uiga lelei e teteʻe ai i le susu, teteʻe i le malulu, ma teteʻe i le pu; o le vaega lona tolu o taga palasitika vaivai e tele-vaega, lea e tuʻufaʻatasia ai mea mata ma galuega eseese, Mo se faʻataʻitaʻiga, o le PA, PE, PP, PET, ma isi e faʻamaluluina ma faʻamaluluina eseese, ma tuʻufaʻatasia i le ulu atoa o le die e ala i le faʻafefeteina ma le faʻamālūlūina. O le ituaiga lona lua e sili atu ona faʻaaogaina i le taimi nei.
Fesili 2: O le ā le ituaiga meafaitino e sili atu ona lelei mo oloa masi?
Tali: OPP/CPP po'o le OPP/VMCPP e masani ona fa'aaogaina mo masi, ma e mafai ona fa'aaogaina le KOP/CPP po'o le KOP/VMCPP mo le fa'atumauina lelei o le tofo.
Fesili 3: Ou te manaʻomia se ata tifaga tuʻufaʻatasi manino ma ni meatotino pa puipui sili atu, o fea la e sili atu ona lelei meatotino pa puipui, o le ufiufi BOPP/CPP k poʻo le PET/CPP?
Tali: E lelei uiga o le ufiufi K, ae e le lelei lona manino e pei o le PET/CPP.
Taimi na lafoina ai: Me-26-2023