1376 has good leveling effect and does not affect the interlayer adhesion. It has strong substrate wetting ability with certain defoaming and anti-shrinkage performance. It also has good performance in compatibility, leveling and many other aspects. It can prevent orange peel as well as acid and alkali resistance. It can improve long-wave leveling and post-leveling and has an excellent final leveling effect, thus obtain a final flat paint film. This product has no or few side effects. It can be used in various water-soluble coatings. When used in water-based paints, 12% ammonia water or 9% triethanolamine need to be added first, after neutralization, it can be completely soluble in water.