对纳米微晶纤维素(NCC)增强改性聚脲/丙烯酸树脂(PUA)复合涂膜的性能进行了研究.通过掺入占PUA不同质量分数的NCC来研究其对复合涂膜整体性能的影响.结果表明,随着NCC用量的增大,复合涂膜的拉伸强度先增大后减小.当NCC用量为5％时对涂膜的增强效果最佳,抗拉强度达到12.91 MPa,较未改性的复合涂膜提高了54.98％.而改性复合涂膜的吸水率呈现先减小后增大的趋势,NCC用量为5％左右时吸水率达到最小.5％NCC的加入对复合涂膜的热性能及透光性能影响不大,但改善了复合涂膜的耐高温性能和耐磨性能.
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