Sunan samfurin:polyurehane

Tsarin kwayoyin halitta:

Kayan sunadarai:

Polyurehane (PU), cikakken sunan polyurethane, fili ne na polymer. 1937 ta Otto Bayer da sauran samarwa na wannan kayan. Akwai manyan nau'ikan polyurehane guda biyu, nau'in polyester da nau'in polyether. Ana iya yin su cikin manyan abubuwan shakatawa na polyurethane (galibi Foam), Foppers na Polyurethane (da ake kira Spalandex a China), Polyurthane roba da elastomers.
Polyurethane polyurethane shine tsarin layi tare da thermoplalastanci, wanda ke da ingantacciyar juriya, rescience da kayan ƙira fiye da PVC kumfa, tare da ƙarancin ƙima. Yana da layin daɗaɗɗiya mai kyau, rufi mai ban sha'awa, farfadowa, tsayayyen juriya, da kaddarorin anti-guba. Sabili da haka, ana amfani dashi azaman kunshin, rufi rufin da kayan tace. Motsar polyurethane filastik shine haske, rufin sauti, rufi mai narkewa, kaddarorin sinadarai, aiki mai sauki, mai sauƙi, da ƙarancin ruwa, mai sauƙi, da ƙarancin ruwa, mai sauƙi, da ƙarancin ruwa. Ana amfani da shi azaman abu na tsari don gini, motoci, masana'antar ta jirgin sama, rufin zafi da rufin zafi. Polyurethane mai amfani tsakanin filastik da roba, juriya mai, juriya, juriya, juriya, juriya, mai ƙarfi, elasticity. Ana amfani da shi a cikin masana'antar masana'antu da masana'antar likita. Hakanan za'a iya sanya polyurehane, mayafin, fata na roba, da sauransu.

Aikace-aikacen:

Polyurethanees suna ɗaya daga cikin kayan masarufi a cikin duniya a yau. Yawancinsu suna amfani da su daga sassa masu sassauci a cikin kayan ɗakunan ajiya, don tsayayyen kumfa a cikin na'urori da takalmi da yawa waɗanda aka yi amfani da su a kan benaye da kayan adon motoci. Polyureshanees ya ƙara samun amfani a cikin shekaru talatin da suka gabata a aikace-aikace iri-iri saboda jin daɗinsu, fa'idodi, fa'idodi, savings mai tsada da yanayin kuzari. Wadanne abubuwa ne suke yin polyurethanes da kyawawa? Polyurehane dorsarfin yana ba da gudummawar mahimmanci ga mahimmancin rayuwar samfurori da yawa. Yadawa na sake zagayowar tsarin rayuwa da kayan aikin kayan aikin sune mahimman ayyukan muhalli wanda yafi dacewa da zabin polyuranes [19-21]. Polyurehanes (Pus) suna wakiltar mahimman aji na thermoplastic da kuma munanan kayan kwalliya a matsayin kayan aikin su, da kuma hancin sunadarai da yawa za'a iya dacewa da su na polyols daban-daban da poly-iotocyanates.