Abstract
Polyurethane anticorrosion coating has been widely used as a metal coating material in recent years, but it has some shortcomings in hydrophobicity, heat resistance and hardness. In this paper, we add organic silicon to improve the performance of polyurethane through chemical modification. We show that the addition of organic silicon improves the chemical stability of polyurethane based on chemical rules, and prepare polyurethane prepolymer and add organic silicon to test its performance in the form of experimental study. The experimental results show that the addition of organic silicon can improve the contact angle, hardness and impact strength of polyurethane coating. This study is of theoretical guiding significance to the performance improvement of polyurethane and its application in the anticorrosion coating.
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