Olyvinyl chloride, wanda aka fi sani da PVC, shine na uku-mafi yawan samar da polymer roba, bayan polyethylene da polypropylene.PVC wani ɓangare ne na sarkar vinyls, wanda kuma ya ƙunshi EDC da VCM.Za a iya amfani da ma'aunin resin PVC don aikace-aikace masu ƙarfi da sassauƙa;m ne akai-akai mafi rinjaye mabukaci, amma a sassa biyu sun fi kusanci.Yawancin PVC mai ƙarfi ana amfani da shi sosai a cikin masana'antar gini don bututu da kayan aiki kamar bututun shara-shara (DWV), bututun ruwa, bututun ruwa, magudanar ruwa (lantarki, sadarwa), da bututun ban ruwa.Hakanan makin PVC masu ƙarfi suna cikin ginin da kasuwannin gidaje don aikace-aikacen bayanan martaba kamar kofofi, firam ɗin taga, shinge, bene, fale-falen fale-falen vinyl na alatu.An ƙera ƙaramin ƙarami mai ƙarfi na PVC don kwalabe, sauran marufi marasa abinci, da katunan kuɗi.Za a iya amfani da resin PVC a aikace-aikace masu sassauƙa ta hanyar ƙari na filastik.A cikin wannan nau'i, ana amfani da shi a cikin kayan aikin waya da na USB, fata na kwaikwayo, alamar alama, kayan da za a iya busawa, rufin rufi, da aikace-aikace da yawa inda ya maye gurbin roba.Wannan fa'ida mai fa'ida, tare da halaye kamar karko, rashin ƙarfi, juriya ga sinadarai da mai, kwanciyar hankali na injiniya, da sauƙi na sarrafawa da gyare-gyare, yana nuna cewa PVC ya kasance zaɓi mai fa'ida da fa'ida don aikace-aikacen da yawa a cikin gini da ababen more rayuwa, noma, samfuran lantarki. , da kuma masana'antun kiwon lafiya.Saboda haka, PVC zai kasance mai mahimmanci thermoplastic na dogon lokaci.
Tun da masana'antar gine-gine suna taka muhimmiyar rawa a kasuwar PVC, buƙatar PVC tana da alaƙa da haɓakar GDP na duniya da ci gaban tattalin arziki.Ƙarfin amfani da PVC yawanci ya fi mayar da hankali a cikin ƙasashe masu tasowa a Asiya, irin su China, Indiya, Pakistan, Vietnam, da Indonesia.Direban gama gari na amfani da PVC don manyan wuraren da ake buƙata sun haɗa da babban tushen jama'a tare da ingantaccen yanayin siyasa wanda har yanzu yana buƙatar kashe kuɗi mai yawa akan ababen more rayuwa.Wani abu kuma shi ne girma da matakin ci gaban fannin noma na kasar nan.Indiya, alal misali, tana buƙatar mahimman tsari don ban ruwa filayen noma, tana da babban buƙatu mai dorewa na bututun PVC da kayan aiki.Gabaɗaya, ƙimar haɓaka za ta kasance mai sauƙi a cikin ƙasashe masu tasowa kamar yadda aka riga aka kafa gine-gine da kayan more rayuwa.
Jadawalin kek mai zuwa yana nuna amfani da duniya na PVC:
Masana'antar vinyls yanki ne da ya balaga da dogon tarihi.Fasaha, ƙarar samarwa, sawun muhalli, da farashi, sun inganta tsawon lokaci tare da haɓakawa cikin aminci da ingancin samfur.Ƙirƙirar fasaha ta ci gaba da faruwa kuma an fi mayar da hankali kan gasa mai tsada, tun da samar da vinyl kasuwancin duniya ne na gaske, kuma masana'antun dole ne su kasance masu gasa a cikin yankunansu da kuma a duk faɗin duniya.
Samar da PVC ya fi dogara ne akan kayan abinci na ethylene, ban da babban yankin kasar Sin, inda kayan abinci na acetylene suka mamaye.A cikin tsarin ethylene, ana samar da EDC ta hanyar chlorination kai tsaye daga chlorine da ethylene.A wani mataki na gaba, an fashe don samar da VCM.Samar da VCM kuma yana haifar da sakin samfurin hydrogen chloride, wanda yawanci ana sake yin fa'ida don samar da ƙarin EDC ta oxychlorination tare da ƙarin ethylene.VCM sannan aka yi polymerized don samar da PVC.A cikin tsarin acetylene, duk da haka, babu wani mataki na EDC da ke ciki;maimakon haka, ana samar da VCM kai tsaye daga acetylene.Kasar Sin yanzu ita ce kasuwa daya tilo da ke da manyan wuraren PVC na tushen acetylene;duk da haka, saboda girman ma'aunin masana'antar kasar Sin, hanyar acetylene har yanzu tana da wani muhimmin kaso na yawan karfin PVC na duniya.
Lokacin aikawa: Afrilu-07-2022