Gudun roba wani fili ne na polymer, wanda aka samar ta hanyar haɗa ƙananan kayan albarkatun kwayoyin halitta - monomers (irin su ethylene, propylene, vinyl chloride, da dai sauransu) a cikin macromolecules ta hanyar polymerization.Hanyoyin polymerization da aka saba amfani da su a cikin masana'antu sun hada da polymerization girma, dakatarwa polymerization, emulsion polymerization, polymerization solution, slurry polymerization, gas period polymerization, da dai sauransu The albarkatun kasa don samar da roba resins suna da yawa.A zamanin farko, sun kasance samfuran kwal kwal da kuma calcium carbide calcium carbide.Yanzu galibin man fetur da iskar gas ne, irin su ethylene, propylene, benzene, formaldehyde da urea.
Tarin Ontology
Jumla polymerization tsari ne na polymerization wanda monomers ke yin polymerized a ƙarƙashin aikin masu farawa ko zafi, haske, da radiation ba tare da ƙara wasu kafofin watsa labaru ba.Siffar ita ce samfurin yana da tsabta, ba a buƙatar rabuwa mai rikitarwa da tsaftacewa, aikin yana da sauƙi, kuma yawan amfani da kayan aiki yana da girma.Yana iya kai tsaye samar da kayayyaki masu inganci kamar bututu da faranti, don haka ana kiransa toshe polymerization.Rashin hasara shi ne cewa danko na kayan yana ƙaruwa tare da ci gaba da haɓakar polymerization, haɗuwa da canja wurin zafi yana da wuyar gaske, kuma zafin jiki na reactor ba shi da sauƙi don sarrafawa.Ana amfani da hanyar polymerization mai girma sau da yawa wajen samar da resins irin su polyadditional methyl acrylate (wanda aka fi sani da plexiglass), polystyrene, polyethylene mai ƙananan yawa, polypropylene, polyester da polyamide.
dakatar da polymerization
Dakatar da polymerization yana nufin tsarin polymerization wanda monomer ya tarwatsa cikin ɗigon ruwa a ƙarƙashin aikin motsa jiki ko girgizawa da mai watsawa, kuma yawanci ana dakatar da shi a cikin ruwa, don haka ana kiran shi polymerization na bead.Halayen sune: akwai ruwa mai yawa a cikin reactor, danko na kayan yana da ƙananan, kuma yana da sauƙi don canja wurin zafi da sarrafawa;bayan polymerization, kawai yana buƙatar shiga ta hanyar sauƙi mai sauƙi, wankewa, bushewa da sauran matakai don samun samfurin resin, wanda za'a iya amfani dashi kai tsaye don sarrafa gyare-gyare;samfurin yana da inganci mai tsabta , daidai.Rashin hasara shi ne cewa ƙarfin samar da reactor da tsabtar samfurin ba su da kyau kamar hanyar polymerization mai girma, kuma ba za a iya amfani da hanyar ci gaba ba don samarwa.Ana amfani da polymerization na dakatarwa sosai a masana'antu.
Lokacin aikawa: Nuwamba-19-2022