Polyurethane (PU), wanda cikakken sunansa shine polyurethane, wani fili ne na polymer.Otto Bayer da sauransu ne suka yi shi a cikin 1937. Polyurethane yana da nau'i biyu: nau'in polyester da nau'in polyether.Ana iya yin su zuwa filastik polyurethane (yafi kumfa), polyurethane fibers (wanda ake kira spandex a kasar Sin), roba na polyurethane da elastomers.
Polyurethane mai laushi galibi yana da tsarin layi na thermoplastic.Yana da mafi kyawun kwanciyar hankali, juriya na sinadarai, juriya da kaddarorin inji fiye da kayan kumfa na PVC, kuma yana da ƙarancin nakasar matsawa.Kyakkyawan rufin zafi, sautin sauti, anti-vibration da aikin rigakafin cutar.Saboda haka, ana amfani da shi azaman marufi, murhun sauti, da kayan tacewa.
Filastik polyurethane mai ƙarfi yana da nauyi mai sauƙi, ingantaccen sautin sauti, aikin haɓaka zafi, juriya na sinadarai, aikin lantarki mai kyau, sauƙin sarrafawa, da ƙarancin sha ruwa.An fi amfani da shi azaman kayan gini don gine-gine, mota, masana'antar jirgin sama, da kuma rufin zafi.
Abubuwan da ke cikin elastomer na polyurethane suna tsakanin filastik da roba, juriya mai juriya, juriya na abrasion, juriya mai ƙarancin zafin jiki, juriya tsufa, babban taurin da elasticity.An fi amfani dashi a masana'antar takalma da masana'antar likitanci.Hakanan za'a iya amfani da polyurethane don yin manne, sutura, fata na roba, da dai sauransu.
Polyurethane ya bayyana a cikin 1930s.Bayan kusan shekaru tamanin na ci gaban fasaha, an yi amfani da wannan kayan a ko'ina a fagen kayan gida, gine-gine, kayan yau da kullun, sufuri, da na'urorin gida.
Kasuwancin polyurethane na duniya yana cikin ƙasashen da suka ci gaba a Turai da Amurka.Yankin Asiya-Pacific galibi China, Japan, da Koriya ta Kudu ne ke wakilta.Kasashen da ke sama suna lissafin kashi 90% na kasuwar polyurethane na duniya.Daga cikin su, jimlar yawan amfani da polyurethane na ƙasata ya kai rabin duniya.Akwai nau'ikan samfuran polyurethane da yawa a duniya kuma ana amfani da su a fannoni daban-daban.A karshen shekarar 2016, jimlar fitar da polyurethane a duniya ya kai kimanin tan miliyan 22.
Lokacin aikawa: Juni-03-2019