I-Polypropylene noma i-PP iyi-thermoplastic ebiza kancane yokucaca okuphezulu, i-gloss ephezulu kanye namandla amahle okuqina.Inephuzu lokuncibilika eliphakeme kune-PE, okwenza ifanelekele izinhlelo zokusebenza ezidinga ukuvalwa kwembewu emazingeni okushisa aphezulu.Iphinde ibe nenkungu encane kanye nokucwebezela okuphezulu.Ngokuvamile, izici zokuvala ukushisa kwe-PP azilungile njengalezo ze-LDPE.I-LDPE futhi inamandla angcono okudabula kanye nokumelana nomthelela ophansi wokushisa.
I-PP ingenziwa nge-metallized okuholela ekuthuthukisweni kwezakhiwo zokuvimbela igesi ezisetshenziswayo ezifunayo lapho impilo yeshalofu yomkhiqizo ende ibalulekile.Amafilimu e-PP afaneleka kahle uhla olubanzi lwezinhlelo zokusebenza zezimboni, abathengi, nezimoto.
I-PP igaywa kabusha ngokuphelele futhi ingacutshungulwa kalula kweminye imikhiqizo eminingi yezinhlelo zokusebenza eziningi ezahlukahlukene.Kodwa-ke, ngokungafani nephepha neminye imikhiqizo ye-cellulose, i-PP ayiboli.Ngakolunye uhlangothi, imfucuza ye-PP ayikhiqizi imikhiqizo yemikhiqizo enobuthi noma eyingozi.
Izinhlobo ezimbili ezibaluleke kakhulu yi-polypropylene engafakwanga (CPP) kanye ne-biaxially oriented polypropylene (BOPP).Zombili lezi zinhlobo zinokucwebezela okuphezulu, ama-optics akhethekile, ukusebenza okuhle noma okuhle kakhulu kokuvala ukushisa, ukumelana nokushisa okungcono kune-PE, kanye nezakhiwo ezinhle zokuvimbela umswakama.
Amafilimu e-Cast Polypropylene (CPP)
I-Cast unoriented Polypropylene (CPP) ngokuvamile ithola izinhlelo zokusebenza ezimbalwa kune-biaxially oriented polypropylene (BOPP).Kodwa-ke, i-CPP ibilokhu ikhula kancane njengenketho enhle kakhulu emaphaketheni amaningi endabuko aguquguqukayo kanye nezinhlelo zokusebenza ezingapakishwa.Izakhiwo zefilimu zingenziwa ngendlela oyifisayo ukuze zihlangabezane nezidingo ezithile zokupakishwa, ukusebenza, nokucubungula.Ngokuvamile, i-CPP inokumelana nokukhala okukhulu nomthelela, ukusebenza okungcono kwezinga lokushisa elibandayo kanye nezakhiwo zokuvala ukushisa kune-BOPP.
Amafilimu e-Biaxially Oriented Polypropylene (BOPP)
I-Biaxially oriented polypropylene noma i-BOPP1 ifilimu ye-polypropylene ebaluleke kakhulu.Kungenye indlela enhle kakhulu ye-cellophane, iphepha eline-wax, ne-aluminium foil.I-orientation inyusa amandla okudonsa kanye nokuqina, yehlisa ubude (okunzima ukwelula), futhi ithuthukisa izici ze-optical, futhi ngandlela-thile ithuthukisa izakhiwo zokuvimbela umhwamuko.Ngokuvamile, i-BOPP inamandla aphakeme okunyakazisa, i-modulus ephakeme (ukuqina), ubude obuphansi, isithiyo segesi esingcono, kanye nenkungu ephansi kune-CPP.
Izinhlelo zokusebenza
Ifilimu ye-PP isetshenziselwa izinhlelo zokusebenza eziningi ezijwayelekile zokupakisha ezifana nogwayi, uswidi, ukudla okulula nokudla okusonga.Ingase futhi isetshenziselwe ukugoqa okugoqayo, amateyiphu liners, amanabukeni kanye nokugoqa oyinyumba okusetshenziswa kwezokwelapha.Ngenxa yokuthi i-PP inezindawo zokuvimbela igesi ezimaphakathi kuphela, ivamise ukumbozwa namanye ama-polymer afana ne-PVDC noma i-acrylic ethuthukisa kakhulu izakhiwo zayo zokuvimbela igesi.
Ngenxa yephunga eliphansi, ukumelana namakhemikhali aphezulu kanye nokungabi namandla, amamaki amaningi e-PP afanele ukupakisha izicelo ngaphansi kwemithetho ye-FDA.
Isikhathi sokuthumela: Apr-07-2022