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.
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.
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