采用丙烯酸改性环氧树脂E-44的方法,合成了环氧丙烯酸酯预聚物,并将其用在UV光固化油墨的配方中.在树脂合成过程中,研究了反应温度、催化剂、阻聚剂等因素对合成过程和产品的影响.通过L9(34)正交试验,得到了优化的工艺参数:反应温度为90℃,催化剂为N,N-二甲基苯胺,用量1%;阻聚剂为对苯二酚,用量0.5%,投料环氧树脂和丙烯酸的摩尔比为1:1.08.
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