ADHESION COMPOSITION Russian patent published in 1996 - IPC

FIELD: polymeric compositions. SUBSTANCE: composition has, mas. p.: high-pressure polyethylene 100; silicon carbide 10-20 and oil-polymeric resin obtained by thermic polymerization of gasoline and gas mixture pyrolysis products 5-10. Properties: adhesion strength after 100, 250, 500, 750 and 1000 hr water exposition at +60 C - 8.7, 8.0, 6.3, 5.5 and 5.4 kn/m, respectively. Composition is used as glue-melt and adhesion sublayers for underground pipelines protection. EFFECT: enhanced quality of composition. 2 tbl