Kungani intambo yokuphotha iba brittle ngemvaI-Sulfur Black Brukudaya umbala? Ngingakuvimbela kanjani? Yini okufanele siyinake kule nqubo?
Udayi omnyama we-sulfide uyinhlanganisela ephezulu yamangqamuzana aqukethe isibabule esengeziwe, ukwakheka kwawo kuqukethe izibopho ze-disulfide namabhondi e-polysulfide, futhi azinzile kakhulu. Ikakhulukazi, isibopho se-polysulfide singafakwa i-oxidized ku-sulphur oxide nge-oksijini emoyeni ngaphansi kwezimo ezithile zokushisa nomswakama, futhi iqhubeke nokusebenzisana nama-molecule amanzi emoyeni ukuze kukhiqizwe i-sulfuric acid, ngaleyo ndlela inciphise amandla entambo ephothayo, i-fiber brittleness, kanye nayo yonke imicu i-embrittle ibe yimpushana uma inzima. Ngenxa yalesi sizathu, ukuze unciphise noma uvimbele ukulimala kwefiber brittleness ngemva kokuphotha intambo ngeI-Sulfur Black Brudayi, amaphuzu alandelayo kufanele anakwe:
① Inani likadayi We-Sulfur Black Br kufanele likhawulelwe, futhi inani likadayi wombala okhethekile kasilika akufanele lidlule u-700g/iphakheji. Ngenxa yokuthi inani ledayi liphezulu, ithuba lokukhwabanisa likhulu, futhi ukusheshisa kokudaya kuyancipha, futhi ukugeza kunzima kakhulu.
② Ngemuva kokuthi umbala kufanele ugezwe ngokugcwele, ungagezi uhlanzeke, umbala ontantayo emugqeni wentambo ophothayo kulula ukubola ube yi-sulfuric acid ekugcinweni futhi wenze i-fiber brittle.
③ Ngemuva kokufakwa umbala, i-urea, i-soda ash ne-sodium acetate kufanele isetshenziselwe ukwelashwa okuqeda ukubola.
④ Intambo ephothayo ibiliswa emanzini ahlanzekile ngaphambi kokufakwa umbala, futhi idigri ye-embrittlement yentambo ephothayo ngemva kokuhlolwa ingcono kunaleyo ye-lye ebilisiwe.
⑤ Intambo yokuphotha kufanele yomiswe ngesikhathi ngemva kokufakwa umbala, ngoba intambo emanzi imane ishisiswe phakathi nenqubo yokunqwabelanisa, okunciphisa okuqukethwe kwe-anti-brittleness ejenti kanye nenani le-pH lentambo ephothayo, engalungile ekunqandeni ukubola. Ngemuva kokoma, intambo ephothayo kufanele ipholiswe ngokwemvelo, ukuze izinga lokushisa lentambo ephothayo lipakishwe ngaphambi kokuwela ekamelweni lokushisa.
Ngenxa yokuthi ayipholiswa ngemva kokoma futhi ipakishwe ngokushesha, ukushisa akulula ukusabalalisa, okwandisa amandla okubola kwedayi kanye ne-asidi, okubangela ukuthi kungenzeka ukuthi i-fiber ibe brittle. Ukukhethwa kwe-anti-brittle-Sulphur Black Brodayi, odayi abanjalo baye bafakwa ku-formaldehyde ne-chloroacetic acid lapho kwenziwa, umphumela we-methyl – chlorine vulcanized anti-brittle-black, ukuze ama-athomu esulfure afakwe i-oxidized abe yisimo esiqinile sesakhiwo, esingavimbela i-oxidation yama-athomu esulfure ukukhiqiza i-asidi ne-brittle fiber.
Isikhathi sokuthumela: Dec-22-2023