Tsarin shiri
Manyan tushen rayon guda biyu sune man fetur da tushen halittu.Fiber da aka sabunta shine rayon da aka yi daga tushen halittu.Tsarin yin mucilage yana farawa tare da fitar da alpha-cellulose mai tsabta (wanda kuma aka sani da ɓangaren litattafan almara) daga albarkatun cellulose.Ana sarrafa wannan ɓangaren litattafan almara da soda caustic da carbon disulfide don samar da cellulose sodium xanthate mai launin orange, wanda sai a narkar da shi a cikin diluted sodium hydroxide bayani.An yi wankan coagulation na sulfuric acid, sodium sulfate, da zinc sulfate, kuma ana tace mucilage, ana dumama (saka a ƙayyadadden zafin jiki na kimanin awa 18 zuwa 30 don rage esterification na cellulose xanthate), defoamed, sa'an nan kuma jike. dunƙule.A cikin wanka na coagulation, sodium cellulose xanthate ya rushe tare da sulfuric acid, wanda ke haifar da farfadowa na cellulose, hazo, da ƙirƙirar fiber cellulose.
Rarraba Rigar alharini mai arha, zare mara nauyi, zaren gashin tsuntsu, siliki na wucin gadi mara kyalli
Amfani
Tare da halayen hydrophilic (dawowar danshi 11%), viscose rayon shine matsakaici zuwa masana'anta mai nauyi tare da talakawa zuwa ƙarfi mai kyau da juriya.Tare da kulawar da ta dace, ana iya tsaftace wannan zaren a bushe kuma a wanke shi cikin ruwa ba tare da wutar lantarki ko pilling ba, kuma ba shi da tsada.
Rashin amfani
Rayon elasticity da juriyarsa ba su da kyau, yana raguwa sosai bayan an wanke shi, kuma yana da saurin kamuwa da ƙura da mildew.Rayon yana rasa kashi 30% zuwa 50% na ƙarfinsa idan aka jika, don haka dole ne a kula yayin wankewa.Bayan bushewa, an dawo da ƙarfin (ingantattun rayon viscose - babban rigar modules (HWM) viscose fiber, babu irin wannan matsala).
Amfani
Aikace-aikace na ƙarshe don rayon suna cikin fagagen tufafi, kayan kwalliya, da masana'antu.Misalai sun haɗa da saman mata, riga, riguna, riguna, yadudduka masu rataye, magunguna, marasa sakan, da kayan tsafta.
Bambance-bambance tsakanin rayon
Siliki na wucin gadi yana da haske mai haske, ɗan ƙaramin ƙarfi da rubutu mai ƙarfi, da jika da sanyi.Lokacin da aka murƙushe shi da hannu ba tare da kullun ba, yana haɓaka ƙuruciya.Idan aka baje shi, yana riƙe layi.Lokacin da ƙarshen harshe ya jike kuma ana amfani da shi don cire masana'anta, siliki na wucin gadi yana mikewa cikin sauƙi kuma ya karye.Lokacin bushe ko rigar, elasticity ya bambanta.Lokacin da aka haɗa guda biyu na siliki tare, za su iya yin sauti na musamman.Ana kuma san siliki da "siliki," kuma idan an danne shi sannan kuma a sake shi, wrinkles ba su da kyau.Kayayyakin siliki kuma suna da busasshe da rigar elasticity.
Lokacin aikawa: Afrilu-24-2023