Me yasa roba ke buƙatar vulcanized?Menene amfanin vulcanizing roba?
Ko da yake roba danyen roba shima yana da wasu halaye masu amfani na aikace-aikace, shima yana da kurakurai da yawa, kamar rashin ƙarfi da ƙarancin ƙarfi;Sanyi yana sa shi tauri, zafi yana sa shi m;Sauƙaƙan shekaru, da sauransu. Tun farkon shekarun 1840, an gano cewa roba na iya jujjuya haɗin kai ta hanyar dumama shi tare da sulfur.Saboda haka, har ya zuwa yanzu, ko da yake ana iya haɗa roba ba kawai tare da sulfur ba, amma har ma da sauran nau'o'in sinadarai masu yawa da kuma hanyoyin jiki da na sinadarai, a cikin masana'antun roba, ya kasance al'ada a koyaushe a yi la'akari da crosslinking na roba a matsayin "vulcanization", yayin da. masana'antar sarrafa filastik wani lokaci tana nufin ƙetare amsawa azaman magani.Vulcanization yana haɓaka aikin ɗanyen roba sosai, yana faɗaɗa kewayon aikace-aikacen roba, kuma yana aza harsashi don samar da manyan masana'antu da aikace-aikacen roba.
vulcanization na roba yana ɗaya daga cikin manyan hanyoyin sarrafa samfuran roba, kuma shine matakin sarrafawa na ƙarshe na samar da samfuran roba.A cikin wannan tsari, roba yana fuskantar jerin sauye-sauyen sinadarai masu sarƙaƙƙiya, daga haɗaɗɗen filastik zuwa roba mai ƙarfi mai ƙarfi ko taurin giciye, don samun ƙarin cikakkun kayan aikin jiki, inji da sinadarai, da haɓakawa da faɗaɗa ƙimar amfani da aikace-aikacen. kewayon kayan roba.Don haka, vulcanization yana da matuƙar mahimmanci ga ƙira da aikace-aikacen roba da samfuransa.
Manufar vulcanization
Vulcanization yana nufin samfurin da aka gama da shi daga kayan roba tare da wani nau'in filastik da danko (raw roba, filastik filastik, cakuda roba) ta hanyar aiki mai dacewa (kamar mirgina, extrusion, gyare-gyare, da dai sauransu) a ƙarƙashin wasu yanayi na waje, ta hanyar sinadarai. dalilai (kamar tsarin vulcanization) ko abubuwan jiki (kamar γ Tsarin canza tasirin radiation zuwa samfuran roba mai laushi ko samfuran roba mai ƙarfi don samun aikin da ake amfani da su. radiation) yana haifar da amsawar sinadarai tsakanin ɗanyen roba a cikin abubuwan haɗin kayan roba da wakili mai ɓarna ko tsakanin ɗanyen roba da ɗanyen roba, wanda ke haifar da haɗin haɗin gwiwar macromolecules na roba madaidaiciya zuwa tsarin macromolecules mai girma uku.
Ta hanyar wannan amsa, an inganta kaddarorin roba daban-daban sosai, yana ba da damar samfuran roba don samun na zahiri, injina, da sauran kaddarorin da zasu iya biyan buƙatun amfani da samfur.Ma'anar vulcanization shine haɗin kai, wanda shine tsarin canza tsarin kwayoyin roba na linzamin kwamfuta zuwa tsarin cibiyar sadarwa na sararin samaniya.
Sulfurization tsari
Bayan an auna adadin gauraye roba da vulcanizing wakili, mataki na gaba shi ne ƙara vulcanizing wakili.Ana ba da shawarar ku bi matakai masu zuwa don kammalawa.
1. Da farko, tsaftace injin buɗaɗɗen don tabbatar da tsabtarsa don hana haɗuwa da sauran ƙazanta.Sa'an nan kuma daidaita farar abin nadi na injin buɗewa zuwa mafi ƙanƙanta kuma a zuba robar gauraye a cikin injin buɗewa don wucewar sirara.Bayan an gama wucewar sirara, sai a fadada tazarar nadi na mahaɗin yadda ya kamata don tabbatar da cewa robar ɗin da aka haɗe tana naɗe daidai da naɗaɗɗen.Yanayin zafin jiki na roba mai gauraya yakamata ya zama kusan 80oC.
2. Ta hanyar daidaita sautin abin nadi da kuma sanyaya ruwa mai dacewa, ana sarrafa yawan zafin jiki na roba mai gauraya a kusa da 60-80 ° C. A wannan lokaci, an fara ƙara wakili mai ɓoyewa a cikin roba mai gauraye.
Lokacin aikawa: Oktoba-25-2023
