Kungani intambo ephothayo iba brittle ngemvaI-Sulfur Black Br ukudaya 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-sulfur oxide nge-oxygen emoyeni ngaphansi kwezimo ezithile zokushisa nomswakama, futhi iqhubeke nokusebenzisana nama-molecule amanzi emoyeni ukuze kukhiqizwe i-sulfuric acid, ngaleyo ndlela kunciphise amandla entambo yokuphotha, i-fiber brittleness, futhi yonke imicu iphenduka impushana uma iqinile.
Ngenxa yalesi sizathu, ukuze unciphise noma uvimbele ukulimala kwefiber brittleness ngemva kokuphotha intambo ngeI-Sulfur Black Br udayi, amaphuzu alandelayo kufanele anakwe:①Inani leI-Sulfur Black Br Udayi kufanele ube nomkhawulo, futhi inani likasilika wombala okhethekile akufanele lidlule u-700g/iphakheji.Ngenxa yokuthi inani ledayi liphezulu, ithuba lokukhwabanisa likhulu, futhi ukusheshisa kokudaya kuyancipha, futhi ukugeza kunzima kakhulu.②Ngemuva kokuthi umbala kufanele ugezwe ngokugcwele, ungagezi uhlanzeke, umbala ontantayo emugqeni wentambo ephothayo kulula ukubola ube yi-sulfuric acid ohlelweni lokugcina futhi wenze i-fiber brittle.③Ngemuva kokufakwa kombala, i-urea, i-soda ash kanye ne-sodium acetate kufanele isetshenziselwe ukwelashwa kwe-anti-brittleness.④Intambo ephothayo ibiliswa emanzini ahlanzekile ngaphambi kokufakwa umbala, futhi idigri ye-embrittlement yentambo ephothayo ngemva kokuhlolwa ingcono kunaleyo yentambo ebilisiwe ye-lye.⑤Intambo ephothayo kufanele yomiswe ngesikhathi ngemva kokufakwa umbala, ngoba intambo emanzi imane ifudunyezwe ngesikhathi sokupakishwa, okunciphisa okuqukethwe kwe-anti-brittleness agent 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 kodayi kanye ne-asidi, okubangela ukuthi kungenzeka ukuthi i-fiber ibe brittle.
Ukukhethwa kwe-anti-brittle-I-Sulfur Black Br amadayi, odayi abanjalo bengezwe ku-formaldehyde ne-chloroacetic acid lapho kwenziwa, umphumela we-methyl – chlorine vulcanized anti-brittle-black, ukuze ama-athomu esulfure acwebezeliswe kalula abe yisakhiwo esizinzile, esingavimbela i-oxidation yama-athomu esulfure ukukhiqiza. i-acid kanye ne-fiber brittle.
Isikhathi sokuthumela: Dec-28-2023