| abstract |
FIELD: chemistry. n SUBSTANCE: composition for sports coatings contains oligobutadiene diol, a plasticiser, mineral filler, trifunctional low-molecular alcohol, polymethylene polyphenylene polyisocyanate with 29.5-31.0% content of isocyanate groups, an organotin catalyst, 2,4,6-tri-tertbutylphenol, polysulphide oligomer, isocynate prepolymer, aromatic diamine which is a mixture of 2,4- and 2,6-isomers of 3,5-dimethylthiotoluylenediamine in ratio of 80:20 and diatomite, technical carbon P-803 and light ageing stabiliser 2-(3'-tertbutyl-2'-hydroxy-5'-methylphenyl)-5-chlorobenzotriazole. n EFFECT: improved dynamic and physical-mechanical properties of coatings. n 2 tbl |