Coatings agent and the use thereof

Details Coatings agent and the use thereof Coatings agent and the use thereof

C - Chemistry, Metallurgy

09

D

C09D 1/00 (2006.01) C09D 7/12 (2006.01) C09K 3/18 (2006.01)

Patent

CA 2336144

The invention aims at providing coating agents suitable for producing water- dispersing transparent coatings on shaped bodies exhibiting excellent adhesive strength having no adhesive promoting layer and high mechanical resistance. According to the invention, this is achieved by preparing a coating agent, that is the subject matter of the invention, containing A) 0.005 to 2 parts by weight of a sulfonic acid salt, especially sodium salt of a sulfosuccininc ester; B) 1 to 20 parts by weight of a water-insoluble oxide or several water- insoluble oxides of a metal or a metalloid; C) 80 to 100 parts by weight of an acid and water mixture consisting of more than 90 % water.

L'invention vise à mettre au point des agents de revêtement appropriés pour produire des revêtements transparents à effet dispersif dans l'eau, sur des corps moulés, présentant à la fois une force d'adhérence remarquable, sans couche d'agent adhésif, et une grande résistance mécanique. Selon l'invention, à cet effet, il est prévu de préparer un agent de revêtement, objet de l'invention, qui contient: A) entre 0,005 et 2 parties en poids d'un sel d'acide sulfonique, notamment du sel de potassium d'un ester d'acide sulfosuccinique; B) entre 1 et 20 parties en poids d'un oxyde non soluble dans l'eau ou de plusieurs oxydes non solubles dans l'eau d'un métal ou d'un métalloïde; C) entre 80 et 100 parties en poids d'un mélange d'acide et d'eau, comprenant plus de 90 % d'eau.

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