Abstract
The coating resources for colored steel sheet using silicone-modified polyester resin were prepared and developed in order to fit rapid development of colored sheet industry in this paper. The dose of crosslink agent, pigment binder ratio, pigment, the dose of catalyst dispersant, antifoaming agent, surfactants were investigated by testing the performance of adhesion, rigidity (H) and MEK-resistance. Compared with commercially available resin SM3911, the flexibility of the coating has been gradually improved, T bends finally reached 0T, and can made colored steel sheet having an excellent processing performance. In addition, hardness also reached 4H, and wipe-resistant reached 105 per time.
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