以双酚A环氧丙烯酸酯为预聚物,制备了液态UV固化树脂,并将石墨烯分散于液态UV固化树脂中,研究了石墨烯对树脂性能的改进,同时与炭黑改性树脂进行了平行对比.结果表明:透射电镜观察到质量分数为0.025%的炭黑在液态UV固化树脂中发生团聚,炭黑改性后树脂拉伸强度下降了32.8%,弯曲模量下降了46.88%,改性效果差;而透射电镜显示石墨烯在液态UV固化树脂中的分散效果较好,经石墨烯改性后的UV固化树脂拉伸强度提高了8.39%,弯曲模量下降了46.79%,表明石墨烯对液态UV固化树脂具有增强增韧的作用.
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