Application of Waterborne 2K Polyurethane Coatings Based on Hydroxyl Acrylic Dispersion with Long Pot Life
Waterborne hydroxyl acrylic dispersions with and without tridecanol polyoxyethylene ether were prepared separately,and the effects of the tridecanol polyoxyethylene ether on the appearance,viscosity,storage stability and particle size were investigated.The results indicate that the particle size of the waterborne hydroxyl acrylic dispersion will be reduced and the viscosity will be increased with the addition of tridecanol polyoxyethylene ether.The pot life was investigated by the change of the viscosity of the paint and the film gloss.The waterborne 2K polyurethane coatings with long pot life and good comprehensive performance can be obtained by the waterborne hydroxyl acrylic dispersion with a content of 1%-1.5%tridecanol polyoxyethylene ether.
waterborne hydroxyl acrylic dispersionwaterborne 2K polyurethanepot life
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