Menene PVC?Polyvinyl Chloride Pall zobe 50

Polyvinyl chloride, an rage shi azaman PVC a cikin Ingilishi, polymer polymerized ta vinyl chloride monomer (VCM) a gaban peroxide, fili na azo da sauran masu farawa ko ƙarƙashin aikin haske da zafi bisa ga tsarin polymerization na radical na kyauta.Vinyl chloride homopolymer da vinyl chloride copolymer ana kiransu tare da guduro vinyl chloride.

 Menene PVC?Polyvinyl Chloride Pall zobe 50

PVC wani farin foda ne tare da tsarin amorphous, kuma matakin reshe yana da ƙananan.Gilashin canjin yanayin sa shine 77 ~ 90 ℃, kuma yana fara rubewa a kusan 170 ℃ [1].Yana da rashin kwanciyar hankali ga haske da zafi.Idan ya yi sama da digiri 100 ko kuma fallasa hasken rana na dogon lokaci, zai bazu don samar da sinadarin hydrogen chloride, wanda zai kara kai tsaye ya sa bazuwar, ya haifar da canza launin, kuma abubuwan da ke cikin jiki da na injina za su ragu cikin sauri.A cikin aikace-aikacen aikace-aikacen, dole ne a ƙara masu daidaitawa don inganta kwanciyar hankali ga zafi da haske.

Menene PVC?Polyvinyl Chloride Pall zobe 50

Hanyar gyara PVC

PVC guduro ne mai iyakacin duniya amorphous polymer tare da yawa na 1.38 g/cm3 da gilashin miƙa mulki zafin jiki na 87 ℃.Saboda haka, yana da rashin kwanciyar hankali na thermal kuma ba shi da sauƙin sarrafawa.Ba za a iya amfani da shi kai tsaye ba.Ana iya amfani da shi ne kawai bayan gyare-gyare da haɗawa, da ƙara abubuwan da suka dace da abubuwan da suka dace.Kaddarorin da buƙatun kayan PVC da aka shirya sun bambanta saboda nau'ikan nau'ikan da abubuwan da ke cikin ƙari da filler.Yawancin lokaci muna kiran shi tsarin PVC.Magana mai mahimmanci, ƙirar PVC ce aka gyara, kuma ana iya amfani da PVC kawai bayan an gyara.Yawancin lokaci ana rarraba wannan rukunin azaman kayan gyara polymer.Gyaran kayan aikin polymer ya fi mayar da hankali kan babban aikin robobi na gabaɗaya, canzawa daga kayan haɗin kai guda ɗaya zuwa abubuwan da suka haɗa da abubuwa masu yawa (alloys, blends, composites), aikin kayan aiki, da haɓaka kaddarorin da farashi.Babban hanyoyin gyare-gyare sune gyare-gyaren sinadarai,(Menene PVC?Polyvinyl Chloride Pall zobe 50)gyare-gyaren cikawa, gyare-gyaren ƙarfafawa, gyare-gyaren haɗakarwa da gyaran nano mai hade.Babban ƙa'idar gyarawa shine baiwa kayan aiki tare da ayyuka ko haɓaka wasu kaddarorin ta hanyar ƙari.Sabili da haka, matakin fasahar ƙirar PVC yana ƙayyade matakin fasaha da ƙarfin samar da masana'anta.

PVC gabaɗaya yana buƙatar gyaggyarawa kuma a fara granulated da farko.Bayan da aka shirya barbashi ta hanyar dunƙule extruder, filastik ɗin ya fi cikakke kuma sarrafa shi ya fi sauƙi, musamman ga samfuran da fasahar ƙirar allura.Screw extruder yana ɗaya daga cikin mahimman kayan aiki don sarrafa filastik.Yana aiwatar da ingantaccen isarwa, haɗaɗɗiya, narkewa, sausaya, haɗawa da gyare-gyaren filastik ta hanyar watsa wutar lantarki ta waje da canjin yanayin zafi na waje.Screw extruder yana taka muhimmiyar rawa a duka kayan aikin filastik da granulating da gyare-gyare da injin sarrafawa.Magana mai mahimmanci, samfuran PVC tare da buƙatu na musamman da tsarin gyaran PVC an keɓance su bisa ga buƙatun abokin ciniki.Hakanan ana samun copolymerization da haɓakawa a cikin tsarin samar da PVC.Irin waɗannan nau'ikan da aka gyara sun haɗa da vinyl chloride copolymer, cakuda PVC da chlorinated polyvinyl chloride. Menene PVC?Polyvinyl Chloride Pall zobe 50

PVC Pall Ring


Lokacin aikawa: Dec-09-2022