| 摘要 |
FIELD: making of highway and aerodrome coatings. SUBSTANCE: binder comprises, as petroleum bitumen, product of high- temperature glycolysis of polyurethane waste prepared at 180-200 C and waste to low-molecular glycol weight ratio from 75:25 to 90:10, ratio of binder components being as follows (wt %): petroleum bitumen, 94-96; polyurethane waste glycolysis product, 4-6. EFFECT: improved binder. 4 ex, 3 tbl |
