O ata eseese e masani ona faʻaaogaina i le olaga i aso uma. O a mea e fai ai ata nei? O a uiga fa'atinoga o mea ta'itasi? O lo'o i lalo se fa'amatalaga auiliili i ata palasitika e masani ona fa'aaogaina i le olaga i aso faisoo:
O ata palasitika o se ata tifaga e faia i le polyvinyl chloride, polyethylene, polypropylene, polystyrene ma isi resini, e masani ona faʻaaogaina i le afifiina, fausiaina, ma le faʻapipiʻiina, ma isi.
E mafai ona vaevaeina ata palasitika i
- Ata fa'apisinisi: ata feula, ata fa'akalena, ata fa'afolafola, lafo ata, ma isi;
- Ata fa'ato'aga fale, ata mulch, ma isi;
– Ata tifaga mo le afifiina (e aofia ai ata tu'ufa'atasia mo le afifiina o vaila'au, ata tu'ufa'atasi mo le afifiina o mea'ai, ma isi).
Tulaga lelei ma le le lelei o ata palasitika:
Uiga fa'atinoga o ata palasitika autu:
Fa'ata'ita'iga Polypropylene Film (BOPP)
Polypropylene o se resini thermoplastic gaosia e le polymerization o propylene. Copolymer PP mea e maua ai le vevela vevela vevela (100 ° C), maualalo le manino, maualalo le susulu, ma maualalo le malosi, ae sili atu le malosi o le aafiaga, ma le malosi o le aafiaga o le PP e faateleina i le faateleina o le ethylene. O le vevela faʻamalulu Vicat o PP e 150°C. Ona o le maualuga o le tioata, o lenei mea e lelei tele le faʻamaʻa ma mea e teteʻe ai. O le PP e leai ni fa'afitauli tau fa'alavelave tau si'osi'omaga.
Biaxially oriented polypropylene film (BOPP) o se mea faʻapipiʻi fetuutuunai manino na atiaʻe i le 1960s. E faʻaaogaina se laina faʻapitoa faʻapitoa e faʻafefiloi ai le polypropylene raw material ma mea faʻapipiʻi aoga, liusuavai ma lomi i totonu o laupepa, ona faʻalauteleina lea i ata tifaga. E faʻaaogaina lautele i le afifiina o meaʻai, lole, sikaleti, lauti, sua, susu, textiles, ma isi, ma ei ai le igoa o le "Packaging Queen". E le gata i lea, e mafai foi ona faʻaaogaina i le sauniuniga o oloa faʻaogaina maualuga e pei o le eletise eletise ma microporous membranes, o le mea lea e matua lautele ai le atinaʻeina o ata tifaga BOPP.
BOPP ata tifaga e le gata o loʻo i ai le lelei o le maualalo o le mamafa, lelei le faʻafefeteina ma le vevela lelei o le PP resin, ae o loʻo i ai foi mea lelei faʻapitoa, malosi faʻainisinia maualuga ma punaoa mauoa o meafaitino. BOPP ata tifaga e mafai ona tuʻufaʻatasia ma isi mea faʻapitoa faʻapitoa e faʻaleleia atili pe faʻaleleia le faʻatinoga. E masani ona faʻaaogaina mea e aofia ai PE ata, salivating polypropylene (CPP) ata tifaga, polyvinylidene chloride (PVDC), alumini ata, ma isi.
Ata Polyethylene La'ititi Ma'a maualalo (LDPE)
O le ata o le polyethylene, e taʻua o le PE, o loʻo i ai uiga o le susu ma le maualalo o le susu.
Low-density polyethylene (LPDE) o se resini gaosia e maua e le ethylene radical polymerization i lalo o le mamafa maualuga, o lea e taʻua ai foi o le "high-pressure polyethylene". O le LPDE o se mole mole lala ma lala e eseese umi i luga o le filifili autu, e tusa ma le 15 i le 30 ethyl, butyl poʻo lala umi i le 1000 carbon atoms i le filifili autu. Ona o le filifili mole e aofia ai le tele o filifili lala uumi ma pupuu, o le oloa e maualalo le density, vaivai, maualalo le vevela tetee, lelei aafiaga tetee, lelei mautu kemikolo, ma masani acid tetee (sei vagana ai malosi oxidizing acids), Alkali, masima corrosion, e lelei. mea fa'amama eletise. Translucent ma iila, e sili ona mautu kemikolo, sealability vevela, vai tetee ma susu tetee, malulu aisa, ma e mafai ona vela. O lona fa'aletonu tele o le leaga o le pa puipui i le okesene.
E masani ona faʻaaogaina e pei o le ata pito i totonu o mea faʻapipiʻi faʻapipiʻi faʻapipiʻi, ma o le ata sili ona faʻaaogaina ma faʻaaogaina i le taimi nei, e sili atu i le 40% o le faʻaaogaina o ata palasitika. E tele ituaiga polyethylene afifiina ata tifaga, ma o latou faatinoga e ese foi. O le faʻatinoga o ata tifaga tasi e tasi, ma o le faʻatinoga o ata tuʻufaʻatasia e fetaui lelei. O le mea autu o le afifiina o meaai. Lona lua, o le polyethylene film e faʻaaogaina foi i le matata o le inisinia, e pei o le geomembrane. E galue e pei o se vai e le susu i inisinia faitele ma e matua maualalo lava lona mafai. O ata faʻatoʻaga e faʻaaogaina i faʻatoʻaga, lea e mafai ona vaevaeina i le faʻamalo ata, ata mulch, ata oona ufiufi, ata tifaga lanu meamata ma isi.
Ata polyester (PET)
Polyester film (PET), e masani ona lauiloa o le polyethylene terephthalate, o se palasitika inisinia vevela. O se mea ata tifaga faia i ie mafiafia e extrusion ona biaxially falo. Polyester ata tifaga o loʻo faʻaalia i mea faʻainisinia sili ona lelei, maualuga maualuga, maʻaʻa ma faigata, teteʻe puncture, teteʻe feteʻenaʻi, maualuga le vevela ma le maualalo o le vevela, faʻamaʻi vailaʻau, suauʻu suauʻu, ea ma le manogi taofi. O se tasi o mea fa'apipi'i fa'aputuga tumau, ae e le lelei le tete'e o le korona.
O le tau o polyester ata tifaga e fai si maualuga, ma lona mafiafia e masani lava 0.12 mm. E masani ona faʻaaogaina e fai ma mea i fafo o meaʻai afifi mo afifiina, ma e lelei lomitusi. E le gata i lea, o le polyester film e masani ona faʻaaogaina e pei o le lolomiina ma le afifiina o mea e faʻaaogaina e pei o le puipuiga o le siosiomaga, ata tifaga PET, ma le paʻepaʻe paʻepaʻe susu, ma e masani ona faʻaaogaina i pisinisi e pei o fibre tioata faʻamalosia palasitika, mea fau fale, lomitusi, ma vailaʻau ma le soifua maloloina.
Ata nailo palasitika (ONY)
Ole igoa ole kemikolo ole naila ole polyamide (PA). I le taimi nei, o loʻo i ai le tele o ituaiga o nylon gaosi oloa gaosi, ma o ituaiga autu e faʻaaogaina e gaosia ai ata o le nylon 6, nylon 12, nylon 66, ma isi. malosi tensile, ma lelei tetee vevela, malulu tetee, suauu tetee ma organic tetee solu. Lelei lelei le ofuina ma tete'e tu'i, e vaivai, lelei o le okesene pa puipui, ae le lelei le pa puipui i le vai ausa, maualuga susu absorption ma susu permeability, leaga le vevela salability, talafeagai mo le afifiina o mea faigata, e pei o ga'o mea'ai Feusuaiga, oloa aano o manufasi, falai. mea'ai, mea'ai fa'ameamea, mea'ai ausa, ma isi.
Tu'u le Polypropylene Film (CPP)
E le pei o le biaxially oriented polypropylene film (BOPP) faagasologa, o le lafo polypropylene ata (CPP) o se ata e le faʻaloloa, e le faʻaogaina mafolafola extrusion ata gaosia e liusuavai lafo ma tineia. O loʻo faʻaalia i le saoasaoa o le gaosiga o le gaosiga, maualuga le gaosiga, lelei ata tifaga, susulu, mafiafia tutusa, ma paleni lelei o meatotino eseese. Talu ai o se ata tifaga fa'apalapala, o galuega tulitatao e pei o le lolomiina ma le faʻapipiʻiina e matua faigofie lava. O le CPP e faʻaaogaina lautele i le afifiina o ie, fugalaau, meaʻai, ma mea e manaʻomia i aso uma.
Ata palasitika fa'apipi'i alumini
O le ata aluminized e lua uiga o se palasitika ata ma uiga o se uamea. O le matafaioi a le faʻapipiʻiina o le alumini i luga o le ata o le puipuia lea o le malamalama ma puipuia le faʻavelaina o le ultraviolet, e le gata ina faʻaumiina ai le ola o mea o loʻo i totonu, ae faʻaleleia ai foi le susulu o le ata. O le mea lea, o le ata aluminized e faʻaaogaina lautele i afifi tuʻufaʻatasia, e masani ona faʻaaogaina i meaʻai mago ma faʻafefeteina e pei o masi, faʻapea foʻi ma le afifiina i fafo o nisi vailaʻau ma mea teuteu.
Taimi meli: Iul-19-2023
