The results of the study of the process of obtaining a bitumen composition for cold-applied roofing materials are described. For this purpose, the modification of construction bitumen BNB 70/30 with rapeseed oil (RO) and rubber crumb (GK) from recycled tires was used. The effect of the concentration of RO and GK on the softening temperature, penetration, ductility, elasticity, flexibility at -25°C, and adhesion was studied. The optimal composition (78.4% bitumen, 11.8% RO, 9.8% GK) was established, which provides improved adhesive properties, an extended temperature range of operatio,n and suitability for the production of cold-applied roll roofs.
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11. DSTU EN 1426:2018 Bitum ta bitumni v`iazhuchi. Vyznachennia hlybyny pronyknosti holky (penetratsii) (EN 1426:2015, IDT)
12. DSTU EN 1427:2018 Bitum ta bitumni viazhuchi. Vyznachennia temperatury rozmiakshenosti za metodom kiltsia i kuli (EN 1427:2015, IDT)
13. DSTU 9169:2021 Bitum ta bitumni viazhuchi. Vyznachennia zchepliuvanosti z mineralnym materialom
14. DSTU 8859:2019 Bitum ta bitumni viazhuchi. Metod vyznachennia ekvipenetratsiinoi temperatury ta indeksu penetratsi
15. DSTU EN 12593:2018 Bitum ta bitumni viazhuchi. Vyznachennia temperatury krykhkosti za metodom Fraasa (EN 12593:2015, IDT)