Solid paint

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C - Chemistry, Metallurgy

09

D

400/5165, 400/70

C09D 167/00 (2006.01) C09D 157/10 (2006.01)

Patent

CA 1063746

ABSTRACT OF THE DISCLOSURE Solid paint compositions having dimensional stability based on ion bonding and gel strengths ranging from 100 to 200 millimeter pen?tration are formed by interaction of certain polymers having acid group functionality with a sub- stantial excess in the order of 100-600 mole percent of a cross-linking reactant formed by solution of a metal hydroxide in a high dielectric polar solvent, said polymers being selected from (1) a polymer having a molecular weight ranging from 25,000 to 1,000,000 and sufficient reactive acid functional groups selected from the group consisting of carboxylic, sulfonic and phosphonic to provide an acid number from 25 to 6?? and (2) a mixture of a non-bonding NAD resin comprising a polymer having a molecular weight ranging from 25,000 to 1,000,000 dispersed as a 25 to 90 weight percent suspension in a non-polar non-solvent, and having no reactive functional group sites, with an ion- bonding curable resin having a molecular weight ranging from 1,000 to 7,000 and sufficient reactive acid functional groups selected from the group consisting of carboxylic, sulfonic and phosphonic to provide an acid number from 20 to 80.

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