Powder coating additive, powder coating composition containing said additive, and method for coating a substrate using said powder coating composition

   
   

A powder coating additive composition containing (a) a non-crosslinked product made by the reaction of an organic alcohol and a carboxylic acid or a reactive equivalent of the carboxylic acid; the product containing at least one ester functionality and at least one hydrocarbyl group of about 10 to about 100 carbon atoms; and (b) a fluoropolymer. The cured coatings exhibit lower coefficient of friction and substantial gloss retention.

Un polvo que cubría la composición aditiva que contenía (a) un producto no-reticulado hizo por la reacción de un alcohol orgánico y de un ácido carboxylic o un equivalente reactivo del ácido carboxylic; el producto que contiene por lo menos una funcionalidad del éster y por lo menos un grupo del hydrocarbyl de cerca de 10 a cerca de 100 átomos de carbón; y (b) un fluoropolymer. Las capas curadas exhiben un coeficiente más bajo de fricción y de retención substancial del lustre.

 
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