Windshield washer and deicer

Details Windshield washer and deicer Windshield washer and deicer

C - Chemistry, Metallurgy

09

K

C09K 3/18 (2006.01)

Patent

CA 2482752

Deicing and anti-icing compositions comprising a succinate salt and at least one freezing point depressant selected from the group consisting of monohydric alcohols polyhydric alcohols, monomethyl or monoethyl ethers of polyhydric alcohols, and mixtures thereof. The compositions have enhanced ice-melting capacity compared to the ice-melting capacity of the succinate salt or the alcohol alone, particularly at temperatures below about -10 ~C. The compositions are particularly useful as a windshield deicer/washer. Particular embodiments of the compositions are environmentally friendly.

La présente invention concerne des compositions de dégivrage et d'antigivrage comprenant un sel succinate et au moins un additif antigel choisi dans le groupe composé des alcools monohydriques, des alcools polyhydriques, des éthers monométhyliques ou monoéthyliques d'alcools polyhydriques, et de mélanges de ces derniers. Les compositions de l'invention possèdent une capacité améliorée de fusion de la glace en comparaison avec la capacité de fusion de la glace du sel succinate ou de l'alcool seul, en particulier à des températures inférieures à environ 10 ·C. Les compositions précitées sont particulièrement utiles comme agents de dégivrage et nettoyage pour pare-brise. Des modes de réalisation particuliers de l'invention sont sans danger pour l'environnement.

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