Ruwan PVC
Akwai nau'ikan Resin PVC guda 4 wanda aka haɗa ta hanyar polymerization
1. Dakatarwa Grade PVC
2. Emulsion Grade PVC
3. Bulk Polymerised PVC
4. Copolymer PVC
Dakatarwa Grade PVC
Mafi yaɗuwar nau'in, matakin dakatarwa PVC an yi shi ta hanyar yin polymerizing digo na Vinyl Chloride monomer da aka dakatar a cikin ruwa.Lokacin da Polymerisation ya cika, slurry yana da centrifuged kuma cake na PVC yana bushe a hankali ta tsarin dumama na musamman don kada ya haifar da resin da ba a daidaita ba don lalata zafi.Girman barbashi na guduro ya fito daga 50-250 microns kuma suna da porous popcorn kamar sifofi waɗanda ke ɗaukar Filastik.Za'a iya canza tsarin barbashi na PVC ta zaɓin wakilai masu dakatarwa masu dacewa da Polymerisation Catalyst.Ƙananan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan ana amfani da su don babban ƙarar ƙaƙƙarfan aikace-aikacen PVC marasa ƙarfi kamar bututun PVC, Windows, Sidings, Ductings.Dakatar da maki na wani m barbashi size da sosai porous Tsarin sha babban yawa na Plasticiser forming wani dryblend a yanayin zafi kamar yadda low as 80oC.The more porous iri da ake amfani da Plasticised aikace-aikace kamar igiyoyi, Footwear, Soft Calendered Sheeting da Films da dai sauransu.
Emulsion Grade PVC
Emulsion Polymerised PVC shine abin da Manna Grade Resin yake kuma wannan kusan ana amfani dashi don Plastisols.Manna sa guduro ne mai matukar kyau barbashi size PVC samar da fesa bushewa wani Emulsion na PVC a cikin Ruwa sosai kamar yadda madara foda ake samar.Manna resin daraja yana buƙatar ƙarin kuzari don samarwa kuma yana da tsada sosai fiye da guduro Dakatarwa.Gudun darajar manna yana ɗaukar sinadarai masu haɓakawa da haɓakawa da shi.Don haka bai da tsarki fiye da Suspension Polymerized ko Bulk Polymerized PVC.Kaddarorin Lantarki na Manna plastisols resin resin sun fi talauci da yawa fiye da Haɗin Resin Resin.Tsafta ya fi talauci fiye da Dakatarwa ko Bulk PVC.Manna sa guduro ne m a tsari, kuma ba ya sha da yawa Filastik a yanayin zafi daki.Zazzabi fiye da 160-180oC ana buƙatar don fitar da robobi cikin guduro yayin warkewa.Ana amfani da Resin daraja da yawa don Kushion Vinyl Floorings na faɗin faɗin.Yadudduka daban-daban na manna na musamman ana lulluɓe ko dai a kan madaidaicin madaidaicin (Shafi kai tsaye) ko akan Takarda Saki (rufin Canjawa).Ana haɗa yadudduka ta ci gaba a cikin dogayen tanda kuma ana naɗe su bayan an cire takardar sakin.Kyakkyawan shimfidar bene na birgima na iya samun ƙaƙƙarfan lalacewa mai tsauri a kan bugu da yadudduka masu kumfa waɗanda ke zaune a saman manyan riguna na tushe don haɓaka kauri.Yawancin tasiri masu ban sha'awa da wadatar abubuwa suna yiwuwa kuma waɗannan suna wakiltar mafi girman ƙarshen bene na Vinyl.
Polymerized PVC
Bulk Polymerisation yana ba da mafi kyawun nau'i na guduro na PVC kamar yadda ba a yi amfani da wakilai ko masu dakatarwa ba.Ana amfani da su musamman a aikace-aikacen m.Ana samar da su galibi a cikin ƙananan ƙungiyoyin ƙimar K, kamar yadda Ba a yi amfani da su ba na PVC Foils don Packaging Blister da sauran Fina-Finan Kalanda / Fitar da Fina-Finai mafi kyawun sarrafa su daga ƙananan ƙimar K.Abubuwan gyare-gyare a fasahar resin Resin sun kawar da Bulk PVC a cikin kwanan nan.
PVC copolymer
Vinyl Chloride an haɗa shi tare da masu haɗin gwiwa kamar Vinyl acetate yana ba da kewayon resins tare da kaddarorin na musamman.PVAc ko Copolymer na Vinyl Chloride da Vinyl acetate shine mafi mahimmanci.Kyakkyawan solubility a cikin kaushi na PVac ya sa ya zama babban zaɓi na Vinyl Printing Inks da sauran siminti.Akwai aikace-aikacen musamman na PVAc a cikin tilewar bene kuma shine resin zaɓi na fale-falen fale-falen vinyl Asbestos.Guduro a haƙiƙa mai ɗaure ne maimakon babban sinadari.Tare da Resin Copolymer yana yiwuwa a ƙirƙira fale-falen bene tare da Fillers kamar Asbestos da Calcium Carbonate lissafin kusan 84% tare da Copolymer da sauran abubuwan haɓakawa kamar ƙasa da 16%.Irin waɗannan manyan matakan ba zai yiwu ba tare da resin Dakatarwa saboda narkewar ɗanyen sa ya fi girma kuma ba zai iya yin sutura da ɗaukar irin waɗannan manyan matakan inert filler ba.Ana buƙatar jiragen ƙasa na musamman na kira don tayal asbestos na Vinyl.Koyaya tare da faɗuwar asbestos, irin waɗannan samfuran sun mutu sannu a hankali.
Lokacin aikawa: Afrilu-07-2022