High solids thermosettable coating compositions

Details High solids thermosettable coating compositions High solids thermosettable coating compositions

B - Operations, Transporting

32

B

117/113, 117/191

B32B 27/42 (2006.01) C09D 161/32 (2006.01)

Patent

CA 1134089

ABSTRACT OF THE DISCLOSURE Coating compositions comprising an alkylated urea- formaldehyde resin, a polymethylolcyclohexane and a polyoxy- propylene polyol which are useful for low temperature cure and are low in viscosity to allow ease of coating without the need for appreciable amounts of solvent thinners. The alkylated urea-formaldehyde condensates have an average degree of con- densation of about 3 or less and a combined urea:formaldehyde: alcohol ratio in the range of about 1:2-3:1-2.5. The composi- tions may be cured in the presence of acid catalysts in the temperature range of 70 to 105°C., and are particularly useful for coating paper, cloth and wood substrates.

327556

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