METHOD OF PREPARING ADHESIVE BITUMINOUS ADDITIVE Russian patent published in 2010 - IPC C08L95/00 

FIELD: chemistry.

SUBSTANCE: additive is obtained through synthesis of a fatty base with dropping temperature of 30-35°C, taken in amount of 70±2 % of the weight of the reaction mixture, and higher polyamines - fr. 235-310°C. The method is realised at temperature of 140-150°C. The fatty base used is the following mixture: gossypol resin and wastes from distillation of fatty acids in ratio of 60:40 wt %, wastes from distillation of fatty acids and crude tall oil in ratio of 80:20 wt %, wastes from distillation of fatty acids, gossypol resin, crude tall oil in ratio of 40:50:10 wt %.

EFFECT: obtaining a double-action adhesive bituminous additive with good characteristics, reduced power consumption on heating before use and higher fire safety, lower cost.

4 cl, 3 ex