urethane acrylate oligomers had high reactivity, fast curing speed, excellent resistance to yellow stain, excellent adhesiveness, flexility, good chemical resistance, good wear resistance;

• 聚氨酯丙烯酸酯齐聚物具有反应活性高、固化速度快、优异的耐黄变性能、优异的附着力、柔韧性、抗化学品性和耐磨性；