| 摘要 |
FIELD: temporary layout and differentiation of controlling distances on playgrounds and fields suitable for sport. ^ SUBSTANCE: foaming aqueous composition containing at least one non-ionic surfactant or amphoteric surfactant as foaming agent, and at least one amphoteric surfactant as foam control agent, is sprayed on playground or field. Said non-ionic surfactant represents ethoxylated vegetable oils; amphoteric surfactant as foaming agent represents alkyldimethylamine oxide; and amphoteric surfactant as foam control agent represents betaines in combination with at least one propellant. Composition of present invention is useful in layout and differentiation of controlling distances on playgrounds and fields, in particular football fields. ^ EFFECT: method with improved effectiveness. ^ 19 cl, 3 ex |
