Filimi ea polasetiki e le thepa ea khatiso, e hatisoa e le mokotla oa liphutheloana, o nang le khanya le pepeneneng, ho hanyetsa mongobo le ho hanyetsa oksijene, ho tiea ha moea o motle, ho thatafala le ho phutha ho hanyetsa, holim'a metsi a boreleli, ho ka sireletsa sehlahisoa, 'me ho ka hlahisa sebopeho sa sehlahiswa, mmala le melemo e meng. Ka nts'etsopele ea indasteri ea petrochemical, ho na le mefuta e mengata ea lifilimi tsa polasetiki, tse sebelisoang ka tloaelo filimi ea polyethylene (PE), polyvinyl chloride (PVC), polystyrene (PS), filimi ea polyester (PET), polypropylene (PP), nylon (PA) joalo joalo. Ho phaella moo, ho na le mefuta e meng e mengata ea filimi ea polasetiki, moetsi oa liphutheloana o feto-fetohang oa Shunfa o nahana hore hoa hlokahala ho utloisisa litšobotsi tsa filimi ea polasetiki pele ho mekotla e tloaelehileng ea ho paka. Hlophisa ka ho khetheha litšoaneleho tsa mefuta e 11 ea filimi ea polasetiki tlas'a mokotla oa ho paka bakeng sa referense ea hau.
1. Polyvinyl chloride (PVC)
Melemo ea filimi ea PVC le PET e tšoana, 'me e ts'oanang ke ea litšobotsi tsa ho pepeseha, ho phefumoloha, ho hanyetsa acid le alkali. Mekotla e mengata ea pele ea lijo e entsoe ka mekotla ea PVC. Leha ho le joalo, PVC e ka 'na ea lokolla li-carcinogens ka lebaka la polymerization e sa phethoang ea li-monomers tse ling ha ho etsoa tlhahiso, kahoo ha e tšoanelehe bakeng sa ho tlatsa lisebelisoa tsa lijo,' me ba bangata ba fetohile mekotla ea ho paka ea PET, ho tšoaea letšoao la thepa ke No.
2. Polystyrene (PS)
Monyetla oa metsi oa filimi ea PS o tlase, empa botsitso ba eona bo le betere, 'me e ka sebetsoa ka ho thunngoa, ho hatella die, extrusion le thermoforming. Ka kakaretso, e arotsoe ka mekhahlelo e 'meli e phophomang le e phophomang ho ea ka hore na e fetile ka mokhoa o phophomang. PS Unfoamed haholo-holo e sebelisoa ka thepa ea ho haha, lintho tsa ho bapala, lintho tsa ho ngola, joalo-joalo, 'me hangata e ka etsoa ka linkho tse tletseng lihlahisoa tsa lebese tse lomositsoeng, joalo-joalo Lilemong tsa morao tjena, e boetse e sebelisoa haholo ho etsa tableware e lahloang, le letšoao la thepa ke No.6.
3. Polypropylene (PP)
Filimi e tloaelehileng ea PP e amohela ho bōptjoa ha molumo, mokhoa o bonolo le litšenyehelo tse tlaase, empa ts'ebetso ea optical e tlase hanyenyane ho feta CPP le BOPP. Ntho e kholo ka ho fetisisa ea PP ke ho hanyetsa mocheso o phahameng (hoo e ka bang -20 ° C ~ 120 ° C), 'me ntlha ea ho qhibiliha e ka holimo ho 167 ° C, e loketseng ho tlatsa lebese la soya, lebese la raese le lihlahisoa tse ling tse hlokang ho thibela likokoana-hloko tsa mouoane. . Boima ba eona bo phahame ho feta PE, e sebelisetsoang ho etsa li-caps tsa lijana, 'me letšoao la thepa ke No. ha PE e na le monko o boima oa kerese.
4. Filimi ea Polyester (PET)
Filimi ea polyester (PET) ke polasetiki ea boenjiniere ea thermoplastic. Lintho tse tšesaane tsa filimi tse entsoeng ka lakane e teteaneng ka mokhoa oa extrusion le ho otlolla ka bidirectional. Filimi ea polyester e tšoauoa ka thepa e ntle ea mochini, ho tiea ho hoholo, ho thatafala le ho tiea, ho hanyetsa ho phunya, ho hanyetsa likhohlano, ho hanyetsa mocheso o phahameng le o tlase, ho hanyetsa lik'hemik'hale, ho hanyetsa oli, ho tiisa moea le ho boloka monko o monate, ke e 'ngoe ea mekhoa e tloaelehileng ea ho hanyetsa permeability. li-substrates tsa filimi, empa khanyetso ea corona e fokola, theko e holimo. Botenya ba filimi ka kakaretso ke 0.12mm, e atisang ho sebelisoa e le thepa ea ka ntle ea mokotla oa ho paka oa lijo, 'me khatiso e ntle. Tšoaea letšoao la thepa 1 sehlahisoa sa polasetiki.
5. Nylon (PA)
Filimi ea polasetiki ea nylon (polyamide PA) hajoale ke tlhahiso ea indasteri ea mefuta e mengata, eo mefuta e meholo e sebelisoang ho hlahisa filimi ke nylon 6, nylon 12, nylon 66 joalo-joalo. Filimi ea nylon ke filimi e thata haholo, e pepeneneng hantle, 'me e na le khanya e ntle. Matla a tsitsitseng, matla a tsitsitseng, ho hanyetsa mocheso o phahameng le o tlase, ho hanyetsa oli, ho hanyetsa ha motsoako oa lintho tse phelang, ho roala ho hanyetsa le ho phunya li ntle haholo, 'me filimi e batla e le bonolo, e hanyetsa oksijene e ntle haholo, empa mokoallo oa mouoane oa metsi o futsanehile, o monya mongobo, ho kenella ha mongobo ho kholo, 'me ho koala mocheso ho fokola. E loketse ho paka thepa e thata, joalo ka lijo tse mafura, lijo tse halikiloeng, lijo tsa ho paka ka vacuum, ho pheha lijo, joalo-joalo.
6. High Density Polyethylene (HDPE)
Filimi ea HDPE e bitsoa geomembrane kapa filimi e ke keng ea qojoa. Sebaka sa eona sa ho qhibiliha se ka bang 110 ℃-130 ℃, 'me boima ba eona bo lekanyelitsoeng ke 0.918-0.965kg/cm3. Ke resin e phahameng ea crystallinity, non-polar thermoplastic resin, ponahalo ea pele ea HDPE e tšoeu ea lebese, karolong e nyenyane ea sefapano sa tekanyo e itseng ea translucent. E na le khanyetso e ntle ho mocheso o phahameng le o tlase le ho hanyetsa tšusumetso, esita le ho -40F mocheso o tlase. Botsitso ba eona ba lik'hemik'hale, ho tiea, ho tiea, matla a mochine, matla a ho senya li ntle haholo, 'me ka ho eketseha ha sekhahla, thepa ea mochine, thepa ea mokoallo, matla a tsitsitseng le ho hanyetsa mocheso ho tla ntlafatsoa ka tsela e nepahetseng, e ka hanyetsa acid, alkali, solvents organic le tse ling. ho bola. Identification: hangata e lerootho, e utloahala joalo ka boka ba boka, mokotla oa polasetiki o hohla kapa o hohla ha o hohla.
7. Polyethylene ea Tlase (LDPE)
LDPE filimi segokanyipalo e tlaase, bonolo, tlaase mocheso ho hanyetsa, tšusumetso ho hanyetsa botsitso lik'hemik'hale e ntle, tlas'a maemo a tloaelehileng acid e (ntle le matla oxidizing acid), alkali, letsoai corrosion, e nang le motlakase o motle. LDPE e sebelisoa haholo ka mekotleng ea polasetiki, ho tšoaea letšoao la thepa ke No. Boitsebiso: Mokotla oa polasetiki o entsoeng ka LDPE o bonolo, o sa thekesele ha o luba, filimi ea ka ntle ea polasetiki ea ka ntle e bonolo ebile e le bonolo ho tabola LDPE, 'me e brittle le ho feta ke filimi ea PVC kapa PP.
8. Polyvinyl Alcohol (PVA)
Polyvinyl alcohol (PVA) high barrier composite filimi ke filimi e nang le thepa e phahameng ea thibelo e entsoeng ka ho roala mokelikeli o qhibilihang ka metsing oa polyvinyl joala holim'a substrate ea polasetiki ea polyethylene. Hobane filimi e entsoeng ka mokoallo e phahameng ea joala ea polyvinyl e na le thepa e ntle ea thibelo 'me e finyella litlhoko tsa tšireletso ea tikoloho, tebello ea' maraka ea thepa ena ea ho paka e khanya haholo, 'me ho na le sebaka se pharaletseng sa' maraka indastering ea lijo.
9. Ho lahla filimi ea polypropylene (CPP)
Casting polypropylene film (CPP) ke mofuta oa filimi ea extrusion e sephara e sa otlolleheng, e sa shebaneng le e hlahisoang ke ho qhibiliha ho tima pholileng. E tšoauoa ka lebelo la tlhahiso e potlakileng, chai e ngata, pepeneneng ea filimi, gloss, thepa ea mokoallo, bonolo, botenya bo boholo bo botle, bo ka mamella ho pheha mocheso o phahameng (mocheso oa ho pheha o kaholimo ho 120 ° C) le ho tiisa mocheso o tlase oa mocheso (mocheso oa ho tiisa mocheso o tlase ho feta). 125 ° C), tekanyo ea ts'ebetso e ntle haholo. Mosebetsi oa ho latela o kang oa khatiso, composite o loketse, o sebelisoa haholo ka masela, lijo, ho paka litlhoko tsa letsatsi le letsatsi, ho etsa substrate e ka hare ea liphutheloana tse nang le likarolo tse ngata, ho ka lelefatsa sethala sa bophelo ba lijo, ho eketsa botle.
10. Bidirectional polypropylene filimi (BOPP)
Filimi ea "Biaxial polypropylene" (BOPP) ke thepa ea mekotla e pepenene e feto-fetohang e ntlafalitsoeng lilemong tsa bo-1960, e leng mohala o ikhethileng oa tlhahiso ea ho kopanya lisebelisoa tse tala tsa polypropylene le li-additives tse sebetsang, ho qhibiliha le ho kopanya, ho etsa lishiti, ebe o etsa filimi ka ho otlolla. Filimi ena ha e na feela melemo ea ho fokotseha ha sekhahla, ho hanyetsa kutu le ho hanyetsa mocheso o motle oa resin ea pele ea PP, empa hape e na le thepa e ntle ea optical, matla a phahameng a mochine, mehloli e mengata ea lihlahisoa tse tala, thepa e ntle ea khatiso, 'me e ka kopanngoa le pampiri, PET le li-substrates tse ling. Ka tlhaloso e phahameng le gloss, ho monya enke e ntle ka ho fetesisa le ho khomarela lijalo, matla a phahameng a tsitsipano, thepa e ntle ea thibelo ea oli, litšobotsi tse tlase tsa electrostatic.
11. Filimi e entsoeng ka tšepe
Filimi e entsoeng ka tšepe e na le litšobotsi tsa filimi ea polasetiki le tšepe. Karolo ea aluminium plating holim'a filimi ke ho thibela leseli le ho thibela mahlaseli a kotsi a ultraviolet, a eketsang bophelo ba sethala sa litaba le ho ntlafatsa khanya ea filimi, ho nkela foil ea aluminium sebaka ka tekanyo e itseng, hape e na le theko e tlaase, thepa e ntle le e ntle ea thibelo. Ka hona, filimi e entsoeng ka tšepe e sebelisoa haholo ka har'a liphutheloana tse kopantsoeng, tse sebelisoang haholo libiskiti le liphutheloana tse ling tse omeletseng, tse ikhohomosang, meriana le litlolo.
Nako ea poso: Jul-19-2023