Polyvinyl chloride (PVC) wani polymer ne da aka yi ta hanyar polymerization na vinyl chloride monomer (VCM) a gaban masu farawa kamar peroxides da azo compounds ko kuma ta hanyar tsarin free radical polymerization ƙarƙashin aikin haske ko zafi. PVC wani abu ne na polymer wanda ke amfani da kwayar chlorine don maye gurbin kwayar hydrogen a cikin polyethylene, kuma ana kiranta da sinadarin vinyl chloride homopolymers da kuma sinadarin vinyl chloride copolymers resins na vinyl chloride.
Sarƙoƙin ƙwayoyin PVC suna ɗauke da ƙwayoyin chlorine masu ƙarfi na polar tare da ƙarfin intermolecular mai yawa, wanda ke sa samfuran PVC su fi tauri, tauri, da kuma sauti na injiniya, kuma suna da kyakkyawan juriyar harshen wuta (janyewar harshen wuta yana nufin mallakar wani abu ko abin da abu ke da shi bayan magani don jinkirta yaɗuwar harshen wuta); duk da haka, ƙimar dielectric constant da dielectric loss angle tangent sun fi na PE girma.
Resin PVC ya ƙunshi ƙaramin adadin haɗin gwiwa biyu, sarƙoƙi masu reshe da ragowar masu farawa da aka bari a cikin amsawar polymerization, tare da ƙwayoyin chlorine da hydrogen tsakanin ƙwayoyin carbon guda biyu da ke kusa, waɗanda ake cire chlorine cikin sauƙi, wanda ke haifar da lalacewar PVC cikin sauƙi a ƙarƙashin aikin haske da zafi. Saboda haka, samfuran PVC suna buƙatar ƙara masu daidaita zafi, kamar su mai daidaita zafi na calcium-zinc, mai daidaita zafi na barium-zinc, mai daidaita zafi na gishiri, mai daidaita tin na halitta, da sauransu.
Babban aikace-aikace
PVC yana zuwa ta hanyoyi daban-daban kuma ana iya sarrafa shi ta hanyoyi daban-daban, ciki har da matsewa, fitar da shi, allura, da kuma shafa shi. Ana amfani da robobi na PVC sosai wajen ƙera fina-finai, fata ta wucin gadi, rufin waya da kebul, kayayyakin da suka yi tsauri, bene, kayan daki, kayan wasanni, da sauransu.
Gabaɗaya ana rarraba samfuran PVC zuwa rukuni 3: masu tauri, masu tauri da kuma masu laushi. Ana sarrafa samfuran masu tauri da masu tauri ba tare da ko da ƙaramin adadin filastik ba, yayin da samfuran masu laushi ana sarrafa su da babban adadin filastik. Bayan ƙara filastik, ana iya rage zafin canjin gilashin, wanda ke sauƙaƙa sarrafawa a ƙananan zafin jiki kuma yana ƙara sassauci da ƙarfin sarkar kwayoyin halitta, kuma yana ba da damar yin samfuran masu laushi waɗanda ke da sassauƙa a zafin ɗaki.
1. Bayanan PVC
Ana amfani da shi musamman wajen yin ƙofofi da tagogi da kayan da ke rage kuzari.
2. Bututun PVC
Bututun PVC suna da nau'ikan iri-iri, suna da kyakkyawan aiki da kuma amfani mai yawa, kuma suna da matsayi mai mahimmanci a kasuwa.
3. Fina-finan PVC
Ana iya yin PVC ya zama fim mai haske ko launi mai kauri da aka ƙayyade ta amfani da kalanda, kuma fim ɗin da aka samar ta wannan hanyar ana kiransa fim ɗin calendered. Ana iya hura kayan PVC masu launin granular zuwa fim ta amfani da injinan busawa, kuma fim ɗin da aka samar ta wannan hanyar ana kiransa fim ɗin busawa. Ana iya amfani da fim ɗin don dalilai da yawa kuma ana iya sarrafa shi zuwa jakunkuna, rigunan ruwa, mayafin teburi, labule, kayan wasan yara masu hura iska, da sauransu ta hanyar yankewa da rufe zafi. Ana iya amfani da fina-finai masu haske masu faɗi don gina gidajen kore da gidajen kore na filastik, ko kuma a yi amfani da su azaman fina-finan bene.
4. Allon PVC
An ƙara shi da mai daidaita, mai da kuma cikawa, kuma bayan an haɗa shi, ana iya fitar da PVC zuwa cikin bututu masu tauri daban-daban, bututu masu siffa da bututun da aka yi da corrugated tare da extruder, sannan a yi amfani da shi azaman bututun saukar ruwa, bututun ruwan sha, akwatin waya na lantarki ko kuma madaurin matattakala. Ana rufe zanen da aka yi da calender kuma a matse shi da zafi don yin zanen gado masu tauri iri-iri. Ana iya yanke zanen gado zuwa siffofi da ake so sannan a haɗa shi da iska mai zafi ta amfani da sandunan walda na PVC zuwa cikin tankunan ajiya daban-daban, bututu da kwantena masu jure sinadarai, da sauransu.
5. Kayayyakin laushi na PVC
Ta amfani da na'urar fitar da iska, ana iya fitar da ita zuwa cikin bututu, kebul, wayoyi, da sauransu; ta amfani da injin ƙera allura tare da molds daban-daban, ana iya yin ta da sandal na filastik, tafin takalma, silifas, kayan wasa, sassan mota, da sauransu.
6. Kayan marufi na PVC
Kayayyakin PVC don marufi galibi don kwantena iri-iri, fim da takarda mai tauri. Ana yin kwantena na PVC galibi don ruwan ma'adinai, abubuwan sha, kwalaben kwalliya, har ma don marufin mai mai kyau.
7. Silin PVC da bene
Ana amfani da siding ɗin PVC galibi don maye gurbin siding ɗin aluminum, tayal ɗin bene na PVC, banda wani ɓangare na resin PVC, sauran abubuwan da aka gyara kayan da aka sake yin amfani da su ne, manne, cikawa da sauran abubuwan da aka gyara, galibi ana amfani da su a benen tashar jirgin sama da sauran wurare masu tauri.
8. Kayayyakin masu amfani da PVC
Ana iya samun kayayyakin PVC a ko'ina a rayuwarmu ta yau da kullun. Ana amfani da PVC don yin nau'ikan fata na wucin gadi don jakunkunan kaya, kayayyakin wasanni kamar ƙwallon kwando, ƙwallon ƙafa da ƙwallon rugby. Haka kuma ana amfani da shi don yin kayan aiki da bel na musamman na kayan kariya. Yadin PVC don tufafi galibi yadi ne masu shaye-shaye (ba a buƙatar shafa su ba) kamar ponchos, wando na jarirai, jaket ɗin fata na wucin gadi da takalman ruwan sama daban-daban. Hakanan ana amfani da PVC a cikin kayan wasanni da nishaɗi da yawa kamar kayan wasa, rikodin rikodi da kayan wasanni.
Lokacin Saƙo: Yuli-19-2023