Ifilimu yepulasitiki njengento yokunyathelisa, inyatheliswa njengesikhwama sokupakisha, enokukhanya futhi esobala, ukumelana nomswakama kanye nokumelana komoya-mpilo, ukuqina komoya okuhle, ukuqina nokumelana nokugoqa, indawo ebushelelezi, ingavikela umkhiqizo, futhi ingakwazi ukukhiqiza kabusha ukuma kwe umkhiqizo, umbala kanye nezinye izinzuzo. Ngokuthuthukiswa kwemboni ye-petrochemical, izinhlobonhlobo eziningi zefilimu yepulasitiki, ifilimu yepulasitiki evame ukusetshenziswa i-polyethylene (PE), i-polyvinyl chloride (PVC), i-polystyrene (PS), ifilimu ye-polyester (PET), i-polypropylene (PP), inayiloni (PA) njalo njalo. Ngaphezu kwalokho, kunezinye izinhlobo eziningi zefilimu yepulasitiki, umenzi wokupakisha oguquguqukayo we-Shunfa ucabanga ukuthi kuyadingeka ukuqonda izici zefilimu yepulasitiki ngaphambi kwezikhwama zokupakisha ngokwezifiso. Kuhlelwe ngokukhethekile izici zezinhlobo ezingu-11 zefilimu yepulasitiki ngaphansi kwesikhwama sokupakisha ukuze uthole ireferensi yakho.
1. I-Polyvinyl chloride (PVC)
Izinzuzo zefilimu ye-PVC ne-PET ziyefana, futhi okufanayo kungokwezici zokungafihli, ukuphefumula, ukumelana ne-asidi kanye ne-alkali. Izikhwama eziningi zokudla zakuqala zenziwe ngezikhwama ze-PVC. Kodwa-ke, i-PVC ingase ikhulule ama-carcinogens ngenxa ye-polymerization engaphelele yamanye ama-monomers enqubweni yokukhiqiza, ngakho-ke ayifanele ukugcwalisa izinto zebanga lokudla, futhi abaningi baye bashintsha izikhwama zokupakisha ze-PET, ukumaka uphawu lwezinto ezibonakalayo No.
2. I-Polystyrene (PS)
Ukumuncwa kwamanzi kwefilimu ye-PS kuphansi, kodwa ukuzinza kwayo kwe-dimensional kungcono, futhi ingacutshungulwa ngokudubula kufa, ukucindezela kufa, i-extrusion kanye ne-thermoforming. Ngokujwayelekile, ihlukaniswe yaba izigaba ezimbili ezikhihliza amagwebu futhi ikhiphe amagwebu kuye ngokuthi isidlulile yini ohlelweni lokukhihliza amagwebu. I-PS engenagwebu isetshenziswa kakhulu ezintweni zokwakha, amathoyizi, izinto zokubhala, njll., futhi ingabuye yenziwe ngokujwayelekile ibe iziqukathi ezigcwaliswa ngemikhiqizo yobisi evutshiwe, njll. Eminyakeni yamuva, ibuye isetshenziswe kabanzi ekwenzeni izitsha zetafula ezilahlwayo, kanye nophawu lwezinto ezibonakalayo. inombolo yesi-6.
3. I-Polypropylene (PP)
Ifilimu ye-PP evamile ithatha ukubunjwa kokushaywa, inqubo elula nezindleko eziphansi, kodwa ukusebenza kwe-optical kungaphansi kancane kune-CPP ne-BOPP. Isici esikhulu kunazo zonke se-PP ukumelana nokushisa okuphezulu (cishe -20 ° C ~ 120 ° C), futhi iphuzu lokuncibilika liphakeme njenge-167 ° C, elifanele ukugcwalisa ubisi lwe-soy, ubisi lwelayisi neminye imikhiqizo edinga ukukhishwa kwe-steam. . Ukuqina kwayo kuphakeme kune-PE, esetshenziselwa ukukhiqiza amakepisi esitsheni, futhi uphawu lwezinto ezibonakalayo luyiNombolo 5. Ngokuvamile, i-PP inobunzima obuphakeme, futhi ubuso bucwebezela kakhulu, futhi alikhiqizi iphunga elimnandi lapho kushisa, kuyilapho i-PE inephunga lekhandlela elisindayo.
4. Ifilimu yePolyester (PET)
Ifilimu yePolyester (PET) iyipulasitiki yobunjiniyela be-thermoplastic. Izinto zefilimu ezizacile ezenziwe ngeshidi eliwugqinsi ngendlela ye-extrusion kanye nokwelula okukabili. Ifilimu ye-polyester ibonakala ngezakhiwo ezinhle kakhulu zemishini, ukuqina okuphezulu, ubulukhuni nokuqina, ukumelana nokubhoboza, ukumelana nokungqubuzana, ukumelana nokushisa okuphezulu nokuphansi, ukumelana namakhemikhali, ukumelana nowoyela, ukuqina komoya nokulondolozwa kwephunga elimnandi, ingenye yenhlanganisela evame ukusetshenziswa yokumelana ne-permeability. ama-substrates efilimu, kodwa ukumelana ne-corona kubi, intengo iphezulu. Ugqinsi lwefilimu ngokuvamile luyi-0.12mm, oluvame ukusetshenziswa njengempahla yangaphandle yesikhwama sokupakisha sokupakisha, futhi ukuphrinta kuhle. Maka uphawu lwezinto ezibonakalayo 1 emkhiqizweni wepulasitiki.
5. Inayiloni (PA)
Ifilimu yepulasitiki yenayiloni (i-polyamide PA) njengamanje ikhiqiza izinhlobo eziningi zezimboni, okuyizinhlobo zazo eziyinhloko ezisetshenziselwa ukukhiqiza ifilimu inayiloni 6, inayiloni 12, inayiloni 66 njalonjalo. Ifilimu enayiloni ifilimu eqinile kakhulu, esobala enhle, futhi inokukhanya okuhle. Amandla aqinile, amandla aqinile, ukumelana nokushisa okuphakeme nokuphansi, ukumelana nowoyela, ukumelana ne-organic solvent, ukumelana nokugqoka kanye nokumelana nokubhoboza kuhle kakhulu, futhi ifilimu ithambile, ukumelana komoyampilo okuhle kakhulu, kodwa umgoqo womhwamuko wamanzi awubi, ukumuncwa komswakama, ukungena komswakama kukhulu, futhi ukuvala ukushisa kubi. Ifanele ukupakisha izinto eziqinile, njengokudla okunamafutha, ukudla okuthosiwe, ukudla okupakisha ivacuum, ukupheka ukudla, njll.
6. I-High Density Polyethylene (HDPE)
Ifilimu ye-HDPE ibizwa nge-geomembrane noma ifilimu engagxumeki. Iphuzu layo lokuncibilika licishe libe ngu-110℃-130℃, futhi ukuminyana kwayo okuhlobene ngu-0.918-0.965kg/cm3. Ingabe i-crystallinity ephezulu, i-non-polar thermoplastic resin, ukubukeka kwangempela kwe-HDPE kumhlophe qhwa, engxenyeni encane yesiphambano sezinga elithile lokuguquguquka. Inokumelana okuhle namazinga okushisa aphezulu naphansi kanye nokumelana nomthelela, ngisho naku -40F amazinga okushisa aphansi. Ukuzinza kwamakhemikhali ayo, ukuqina, ukuqina, amandla emishini, izakhiwo zamandla ezinyembezi zinhle kakhulu, futhi ngokwanda kokuminyana, izakhiwo zemishini, izakhiwo zokuvimbela, amandla aqinile kanye nokumelana nokushisa kuzothuthukiswa ngokufanele, kungamelana ne-asidi, i-alkali, izinyibilikisi eziphilayo nokunye. ukugqwala. Ukuhlonza: ngokuvamile i-opaque, izwakala njengengcina, izikhwama zepulasitiki ezihlikihlwayo noma ezihlikihlwa lapho kuhushulwa.
7. I-Low Density Polyethylene (LDPE)
Ukuminyana kwefilimu ye-LDPE kuphansi, kuthambile, ukumelana nokushisa okuphansi, ukumelana nomthelela ukuzinza kwamakhemikhali kuhle, ngaphansi kwezimo ezijwayelekile i-asidi (ngaphandle kwe-oxidizing acid eqinile), i-alkali, ukugqwala kukasawoti, nokufakwa kahle kukagesi. I-LDPE isetshenziswa kakhulu ezikhwameni zepulasitiki, ukumaka uphawu lwezinto ezibonakalayo nguNo. Ukuhlonza: Isikhwama sepulasitiki esenziwe nge-LDPE sithambile, asihefuzeli kangako uma uxova, ifilimu yepulasitiki yokupakisha yangaphandle ithambile futhi kulula ukuyiklebhula i-LDPE, futhi okugqame futhi kuqine kakhulu ifilimu ye-PVC noma ye-PP.
8. I-Polyvinyl Alcohol (PVA)
Ifilimu ehlanganisiwe ye-Polyvinyl alcohol (PVA) high barrier composite ifilimu enendawo ephezulu yokuvimbela eyakhiwe ngokumboza uketshezi oluncibilikayo emanzini oluguquliwe lwe-polyvinyl alcohol ku-substrate yepulasitiki ye-polyethylene. Ngenxa yokuthi ifilimu ehlanganisiwe ye-barrier ephezulu ye-polyvinyl alcohol inezindawo ezinhle zokuvimbela futhi ihlangabezana nezidingo zokuvikelwa kwemvelo, ithemba lemakethe lale nto yokupakisha likhanya kakhulu, futhi kunendawo yemakethe ebanzi embonini yokudla.
9. Ifilimu yokusakaza ye-polypropylene (CPP)
Ifilimu ye-Casting polypropylene (CPP) iwuhlobo lwefilimu ye-flat extrusion engasuki, engabheke ngabomvu ekhiqizwe ukupholisa kokucisha okuncibilikayo. Ibonakala ngesivinini sokukhiqiza esisheshayo, isivuno esikhulu, ukubonakala kwefilimu, isicwebezelisi, impahla yesithiyo, ukuthamba, ukufana kokuqina kuhle, kungakwazi ukumelana nokushisa okuphezulu kokupheka (izinga lokushisa lokupheka elingaphezu kuka-120 ° C) kanye nokubekwa uphawu okushisa okuphansi (ukushisa kokuvalwa kokushisa okungaphansi kwe- 125 ° C), ibhalansi yokusebenza inhle kakhulu. Umsebenzi wokulandela njengokuphrinta, inhlanganisela ilungele, isetshenziswa kabanzi ezindwangu, ukudla, ukupakishwa kwezidingo zansuku zonke, yenza i-substrate yangaphakathi yokupakisha eyinhlanganisela, inganweba impilo yeshalofu yokudla, yandise ubuhle.
10. Ifilimu ye-polypropylene ephindwe kabili (BOPP)
Ifilimu ye-Biaxial polypropylene (BOPP) iyisikhwama sokupakisha esiguquguqukayo esisobala esakhiwa ngeminyaka yawo-1960s, okuwumugqa wokukhiqiza okhethekile wokuxuba izinto ezingavuthiwe ze-polypropylene nezithasiselo ezisebenzayo, zincibilike futhi zixube, zenze amashidi, bese wenza ifilimu ngokwelula. Le filimu ayinayo kuphela izinzuzo zokuminyana okuphansi, ukumelana nokugqwala kanye nokumelana nokushisa okuhle kwe-resin ye-PP yasekuqaleni, kodwa futhi inezici ezinhle ze-optical, amandla aphezulu emishini, imithombo ecebile yezinto ezingavuthiwe, izakhiwo ezinhle kakhulu zokuphrinta, futhi ingahlanganiswa nephepha, I-PET namanye ama-substrates. Ngokuchazwa okuphezulu nokucwebezela, ukumuncwa kweyinki okuhle kakhulu nokunamathela kokunamathela, amandla aqinile aphezulu, izakhiwo ezinhle kakhulu zokuvimbela uwoyela, izici eziphansi ze-electrostatic.
11. Ifilimu eyenziwe ngensimbi
Ifilimu eyenziwe ngensimbi inezici zazo zombili ifilimu yepulasitiki nensimbi. Indima ye-aluminium plating ebusweni befilimu ukuvimbela ukukhanya nokuvimbela imisebe ye-ultraviolet, eyandisa impilo yeshalofu yezinto eziqukethwe futhi ithuthukise ukukhanya kwefilimu, ithathe indawo ye-aluminium foil ngezinga elithile, futhi futhi inenani eliphansi, izakhiwo ezinhle futhi ezinhle zokuvimbela. Ngakho-ke, ifilimu eyenziwe ngensimbi isetshenziswa kabanzi emaphaketheni ayinhlanganisela, ikakhulukazi asetshenziswa kumabhisikidi nokunye okomile, okukhukhumezayo okupakisha ukudla, umuthi nezimonyo.
Isikhathi sokuthumela: Jul-19-2023