Akwai nau'ikan resins guda biyu da ake amfani da su wajen samar da haɗaɗɗun abubuwa: thermoset da thermoplastic. Resins na Thermoset su ne resins da aka fi amfani da su, amma resins na thermoplastic suna samun sabon sha'awa saboda faɗaɗa amfani da haɗaɗɗun abubuwa.
Resin Thermoset yana taurare saboda tsarin warkarwa, wanda ke amfani da zafi don samar da polymers masu haɗin gwiwa sosai waɗanda ke da haɗin gwiwa mai ƙarfi wanda ba ya narkewa ko kuma wanda ba ya narkewa lokacin da aka dumama shi. Resin Thermoplastic, a gefe guda, resins ne ko sarƙoƙi na monomers waɗanda ke laushi lokacin da aka dumama su kuma suka taurare bayan sun huce, tsari ne mai canzawa wanda ba ya buƙatar haɗin sinadarai. A takaice, zaku iya sake narkewa da sake gyara resin thermoplastic, amma ba resin thermoset ba.
Sha'awar haɗakar thermoplastic tana ƙaruwa, musamman a masana'antar kera motoci.
Fa'idodin Resins na Thermosetting
Ana fifita resins na Thermoset kamar epoxy ko polyester a masana'antar hada-hada saboda ƙarancin dankonsu da kuma shigarsu cikin hanyar sadarwa ta zare. Don haka yana yiwuwa a yi amfani da ƙarin zare da kuma ƙara ƙarfin kayan hada-hadar da aka gama.
Sabbin jiragen sama galibi suna ɗauke da fiye da kashi 50 cikin ɗari na abubuwan haɗin gwiwa.
A lokacin pultrusion, ana tsoma zare a cikin thermoset resin sannan a sanya shi a cikin wani abu mai zafi. Wannan aikin yana kunna aikin warkarwa wanda ke canza resin mai ƙarancin ƙwayoyin halitta zuwa wani tsari mai ƙarfi na hanyar sadarwa mai girma uku inda zare ke kulle a cikin wannan sabuwar hanyar sadarwa. Tunda yawancin halayen warkarwa suna waje ne, waɗannan halayen suna ci gaba da zama sarƙoƙi, wanda ke ba da damar samar da manyan girma. Da zarar resin ya fara aiki, tsarin mai girma uku yana kulle zare a wurin kuma yana ba da ƙarfi da tauri ga mahaɗin.
Lokacin Saƙo: Oktoba-19-2022
