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涂料工业  2010 

水性丙烯酸光致抗蚀干膜的合成

Keywords: 光致抗蚀干膜,水溶性丙烯酸树脂,季戊四醇三丙烯酸酯,环保

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Abstract:

?采用溶液聚合法合成了水溶性丙烯酸树脂(wbac),将其与季戊四醇三丙烯酸酯(peta)、紫外光引发剂调配制备了水性丙烯酸光致抗蚀干膜。傅里叶红外光谱分析表明,peta和wbac发生了光固化交联反应;光致抗蚀干膜感光层涂膜性能测试表明,经uv固化后涂膜的凝胶率和硬度能显著提高,改善涂膜的耐溶剂性,降低了涂膜的水溶性;gpc和tg分析表明,经uv固化后,光致抗蚀干膜相对分子质量明显变大,耐热性能显著提高。peta和wbac的质量比为0.4时,uv固化后光致抗蚀干膜的水溶性5.54%,乙醇失质量率wy为5.56%,凝胶率和摆杆硬度分别为74.18%和0.71涂膜失质量5%的温度为302.6℃。

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