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Imbali ye-PET (Polyethylene terephthalate)

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Ukusukela oko zafunyanwa kwi-1941, iipropathi zepolyester zeepolyester ziye zamiliselwa kakuhle kwifayibha, ukupakishwa nakwimizi mveliso yeplastiki, ngenxa yokusebenza kwabo okuphezulu. I-PET yenziwa yinkqubo ephezulu yokucacisa iipholmoplastic thermoplastic polymers. Ipolymer inenani elikhulu leepropathi ezilungele ukuveliswa ngokukhawuleza kwezinto ezinokuthintela ubushushu kunye nezinto ezikumgangatho ophezulu zorhwebo. I-PET iyafumaneka kumabakala aselubala kunye nemibala.

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Izinto eziluncedo
Phakathi kwezibonelelo zobuchwephesha zePET, kunokukhankanywa ukunyamezelwa kwempembelelo kunye nokuqina. Ixesha lokujikeleza ngokukhawuleza kakhulu
kunye neempawu ezintle zokuzoba ngobude bodonga. Akukho ukumiswa kweplate ngaphambi kokubumba. Uluhlu olubanzi lokusetyenziswa (-40 ° ukuya + 65 °). Inokubanda ngokubanda ngokugoba. Ukuxhathisa okuhle kakhulu kwimichiza, izinyibilikisi, iiarhente zokucoca, iioyile kunye namafutha njl. I-PET inezibonelelo ezininzi zokurhweba. Ixesha elifutshane lokujikeleza liqinisekisa imveliso ephezulu kwimisebenzi yokubumba. Inomtsalane ngobuhle: isicwebezelisi esiphakamileyo, ukucaca okuphezulu okanye ukungqama kombala kwaye inokuprintwa ngokulula okanye ihonjiswe ngaphandle konyango lwaphambi kokunyanga. Ukusebenza kobuchwephesha obuninzi kunye nokurisayikilisha ngokupheleleyo.
 
Ukusetyenziswa Ukusukela oko yaziswa kwintengiso, i-PET iye yavavanywa ngempumelelo kwizicelo ezahlukeneyo ezinjengezinto zococeko (iibhafu, iibhafu zeshawari), urhwebo lokuthengisa, izithuthi (kunye neekharavani), iindawo zokufowuna, iindawo zokuhlala iibhasi njlnjl. kunye nokusetyenziswa kwezonyango kunye nokunyanga kwe-gamma-radiation.

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Zimbini iintlobo eziphambili ze-PET: i-Amorphous PET (APET) kunye ne-crystalline PET (CPET), umahluko obaluleke kakhulu kukuba i-CPET icaciswe gingci, ngelixa i-APET ingamampunge. Enkosi kulwakhiwo lwayo lwecrystalline i-CPET ayisebenzi, ngelixa i-APET inesakhiwo esimnyama, isinika umgangatho ocacileyo.


Ixesha Post: Mar-17-2020