SBS gyara kwalta yana amfani da tushe kwalta a matsayin albarkatun kasa, yana ƙara wani kaso na SBS modifier, kuma yana amfani da shearing, stirring da sauran hanyoyin don watsar da SBS daidai a cikin kwalta. A lokaci guda, ana ƙara wani yanki na keɓantaccen mai daidaitawa don samar da haɗin SBS. abu, ta amfani da kyawawan kaddarorin jiki na SBS don gyara kwalta.
Amfani da masu gyara don gyara kwalta yana da dogon tarihi a duniya. A tsakiyar karni na 19, an yi amfani da hanyar vulcanization don rage shigar kwalta da kuma ƙara wurin laushi. Haɓaka kwalta da aka gyara a cikin shekaru 50 da suka gabata ya kusan wuce matakai huɗu.
(1) 1950-1960, kai tsaye haxa roba foda ko latex a cikin kwalta, gauraya daidai da amfani;
(2) Daga 1960 zuwa 1970, styrene-butadiene roba roba aka hade da kuma amfani a kan-site a cikin nau'i na latex daidai gwargwado;
(3) Daga 1971 zuwa 1988, baya ga ci gaba da aikace-aikacen roba na roba, an yi amfani da resin thermoplastic sosai;
(4) Tun daga 1988, SBS a hankali ya zama manyan abubuwan da aka gyara.
Takaitaccen tarihin ci gaban SBS gyara kwalta:
★Samar da masana'antu a duniya na samar da kayayyakin SBS ya fara ne a shekarun 1960.
★A shekara ta 1963, Kamfanin Amurka Philips Petroleum Company ya yi amfani da hanyar haɗin gwiwa don samar da layin SBS copolymer a karon farko, mai suna Solprene.
★A cikin 1965, Kamfanin Shell na Amurka ya yi amfani da fasahar polymerization mara kyau da kuma hanyar ciyarwa ta matakai uku don haɓaka irin wannan samfuri da cimma samar da masana'antu, tare da sunan kasuwanci Kraton D.
★A shekara ta 1967, kamfanin Philips na kasar Holland ya kera samfurin SBS na tauraro (ko radial).
★A cikin 1973, Philips ya ƙaddamar da samfurin SBS na tauraron.
★A cikin 1980, Kamfanin Firestone ya ƙaddamar da samfurin SBS mai suna Streon. Abun dauri samfurin styrene ya kasance 43%. Samfurin yana da babban ma'aunin narkewa kuma an fi amfani dashi don gyaran filastik da mannen narke mai zafi. Bayan haka, Kamfanin Asahi Kasei na Japan, Kamfanin Anic na Italiya, Kamfanin Petrochim na Belgium, da sauransu su ma sun ci gaba da haɓaka samfuran SBS.
★Bayan shiga cikin 1990s, tare da ci gaba da fadada filayen aikace-aikacen SBS, samar da SBS na duniya ya bunkasa cikin sauri.
★Tun daga shekarar 1990, lokacin da kamfanin roba na roba na Baling Petrochemical da ke birnin Yueyang na lardin Hunan ya kera na'urar samar da SBS ta farko a kasar tare da samar da ton 10,000 a duk shekara ta hanyar amfani da fasahar cibiyar bincike ta kamfanin Petrochemical na Beijing Yanshan, karfin samar da makamashin SBS na kasar Sin ya karu a hankali. .