Polyvinyl chloride (a madadin: poly(vinyl chloride), colloquial: polyvinyl, ko kuma kawai vinyl; taƙaice: PVC) shine na uku mafi yadu samar da roba roba polymer na roba (bayan polyethylene da polypropylene).Ana samar da kusan tan miliyan 40 na PVC kowace shekara.
PVC ya zo a cikin nau'i na asali guda biyu: m (wani lokacin ana rage shi azaman RPVC) da sassauƙa.Ana amfani da madaidaicin nau'in PVC a cikin gini don bututu da aikace-aikacen bayanan martaba kamar kofofi da tagogi.Ana kuma amfani da ita wajen kera kwalaben robobi, kayan da ba na abinci ba, kayan rufe abinci da katunan robobi (kamar banki ko katin zama membobinsu).Ana iya yin shi da sauƙi kuma mafi sauƙi ta hanyar ƙara kayan aikin filastik, mafi yawan amfani da su shine phthalates.A cikin wannan nau'i, ana kuma amfani da shi a cikin aikin famfo, na'ura mai ba da wutar lantarki, fata na kwaikwayo, shimfidar ƙasa, alamar alama, rikodin phonograph, kayan haɓakawa, da aikace-aikace da yawa inda ya maye gurbin roba.Tare da auduga ko lilin, ana amfani da shi wajen samar da zane.
Pure polyvinyl chloride fari ne, mai karye.Ba shi da narkewa a cikin barasa amma yana ɗan narkewa a cikin tetrahydrofuran.
An haɗa PVC a cikin 1872 ta masanin ilimin kimiya na Jamus Eugen Baumann bayan ƙarin bincike da gwaji.Polymer ɗin ya bayyana a matsayin fari mai ƙarfi a cikin kwalabe na vinyl chloride wanda aka bar shi a kan shiryayye da aka tsare daga hasken rana tsawon makonni huɗu.A farkon karni na 20, masanin kimiyar kasar Rasha Ivan Ostromislensky da Fritz Klatte na kamfanin sinadarai na Jamus Griesheim-Elektron dukkansu sun yi yunkurin yin amfani da PVC a cikin kayayyakin kasuwanci, amma matsaloli wajen sarrafa na'ura mai tsauri, wani lokacin kuma polymer mai karyewa ya dakile kokarinsu.Waldo Semon da Kamfanin BF Goodrich sun haɓaka wata hanya a cikin 1926 don yin filastik PVC ta hanyar haɗa shi da ƙari daban-daban, gami da amfani da dibutyl phthalate ta 1933.
Lokacin aikawa: Fabrairu-09-2023