A marking composition

C - Chemistry – Metallurgy – 09 – D

Patent

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C09D 11/16 (2006.01) C09D 5/14 (2006.01)

Patent

CA 2200843

Temporary marking compositions for producing colors upon contact with a surface, especially one covered in snow or ice, are disclosed. The compositions contain a water-soluble salt or a mixture of water-soluble salts, one or more colorants and water. The compositions may include a stabilizer, an extender, additional antifreezes, surfactants or emulsifiers, anti-bacterial/anti-fungus agents, fluorescents and other ingredients. The compositions may contain only antifreezes such as alcohol, glycerol and propylene glycol, polyol fatty acid esters, their derivatives, or combinations of the salts and/or the other antifreezes. The methods of marking are disclosed.

On décrit des compositions de marquage temporaire destinées à produire des couleurs quand elles entrent en contact avec une surface et en particulier avec une surface recouverte de neige ou de glace. Ces compositions contiennent un sel hydrosoluble ou un mélange de tels sels, un ou plusieurs colorants et de l'eau. Elles peuvent contenir un agent de stabilisation, un agent d'allongement, des antigels supplémentaires, des agents tensio-actifs ou des émulsifiants, des agents anti-bactériens ou anti-fongiques et des agents fluorescents notamment. Elles peuvent ne contenir que des antigels tels que de l'alcool, du glycérol et du propylène glycol, des esters d'acides gras de polyol, leurs dérivés, ou des combinaisons des sels et/ou de ces autres antigels. On décrit aussi des procédés de marquage.

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