SUBSTANCE SUPPRESSING ICE FORMATION AND AIRCRAFT DEFROSTER Russian patent published in 1999 - IPC

FIELD: antifreeze materials. SUBSTANCE: defroster containing at least one glycol selected from group including C₂-C₃-alkylene glycols or hydroxy- C₄-C₆-alkylene glycols, a surfactant, corrosion inhibitor, and water is distinguished by containing 60-97% of glycol, 0.01-1% of at least one nonionic surfactant selected from group including fatty alcohols and fatty alcohols alkoxylated by lower alkoxides and containing 1-10 alkoxide units, and 0.01-0.8% of at least one anionic surfactant from the group of alkali metal alkylarylsulfonate. EFFECT: combined advantages of non- thickened and thickened aircraft defrosters. 5 cl, 6 tbl, 6 ex