Imikhiqizo

I-Polyurethane (PU), igama eligcwele i-polyurethane, iyinhlanganisela ye-polymer.Yenziwe ngu-Otto Bayer ngo-1937.I-polyurethane ihlukaniswe izigaba ezimbili: uhlobo lwe-polyester kanye nohlobo lwe-polyether.Angenziwa amapulasitiki e-polyurethane (ikakhulukazi amapulasitiki anegwebu), imicu ye-polyurethane (ebizwa ngokuthi i-spandex e-China), amarabha e-polyurethane nama-elastomers.

I-polyurethane ethambile ngokuyinhloko iyisakhiwo somugqa we-thermoplastic, esinokuzinza okungcono, ukumelana namakhemikhali, ukuqina kanye nezakhiwo zemishini kunezinto zegwebu le-PVC, futhi linokuguqulwa okuncane kokucindezelwa.Inokufakwa kahle kwe-thermal, ukufakwa komsindo, ukumelana nokushaqeka nokusebenza kwe-anti-virus.Ngakho-ke, isetshenziswa njengokupakisha, ukwahlukanisa umsindo, izinto zokuhlunga.

Ipulasitiki ye-polyurethane eqinile inesisindo esincane, ihle kakhulu ekufakeni umsindo kanye nokufaka ukushisa okushisayo, ukumelana namakhemikhali, izakhiwo ezinhle zikagesi, ukucutshungulwa kalula, nokumunca amanzi aphansi.Isetshenziswa kakhulu ekwakhiweni, kwezimoto, embonini yezindiza, izinto zokwakha ezishisayo.

Ukusebenza kwe-polyurethane elastomer kuphakathi kwepulasitiki nerabha, ukumelana nowoyela, ukumelana nokugqoka, ukumelana nokushisa okuphansi, ukumelana nokuguga, ubulukhuni obuphezulu nokunwebeka.Isetshenziswa kakhulu embonini yezicathulo kanye nemboni yezokwelapha.I-polyurethane nayo ingasetshenziselwa ukwenza izinto zokunamathisela, ukunamathela, isikhumba sokwenziwa, njll.

I-polyurethane yavela ngawo-1930.Ngemva kweminyaka ecishe ibe ngu-80 yokuthuthuka kobuchwepheshe, le nto isisetshenziswe kabanzi emkhakheni wefenisha yasekhaya, ukwakhiwa, izidingo zansuku zonke, ezokuthutha, nezinto zikagesi zasendlini.