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首页> 外文会议>International Conference on Soldering and Reliability >DEVELOPMENT OF POLYURETHANE-BASED CONFORMAL COATINGS FOR PB-FREE ELECTRONICS
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DEVELOPMENT OF POLYURETHANE-BASED CONFORMAL COATINGS FOR PB-FREE ELECTRONICS

机译：基于聚氨酯的无铅电子涂层的研制

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Conformal coatings are commonly employed to protect electronic components. We have been investigating polyurethane (PU) - based conformal coatings filled with the nanoparticles. In particular, UV curing of the coating, in lieu of traditional oven curing, provides significant energy savings and also impacts on environments by reducing green house gas emissions and volatile organic compounds. The potential of UV-curable resin system such as polyurethane acrylate (PUA) in terms of microstructure and mechanical properties was thus assessed in comparison with that of PU. While adding nanoparticles to enhance mechanical properties of plain PU, the formation of urea and defects was often occurring, which limited the maximum nanoparticle concentration that could be added. In this study, the effect of the matrix formulations (urethane, urethane-acrylate, isocyanate), along with the particle addition and its surface functionalization, is presented to evaluate their impact on microstructure developments and conformal coating performance.
机译：共形涂层通常用于保护电子元件。我们一直研究填充有纳米颗粒的基于聚氨酯（PU）的共形涂层。特别地，涂层的UV固化，代替传统的烤箱固化，提供了显着的节能，并通过减少绿房气体排放和挥发性​​有机化合物来影响环境。因此，与PU的微观结构和机械性能的紫外线固化树脂系统如聚氨酯丙烯酸酯（PUA）的电位。在添加纳米颗粒以增强平原PU的力学性质的同时，通常发生尿素和缺陷的形成，这限制了可以加入的最大纳米颗粒浓度。在该研究中，提出了基质制剂（氨基甲酸酯，氨基甲酸酯 - 丙烯酸酯，异氰酸酯）的影响以及颗粒加成及其表面官能化评价它们对微观结构和保形涂层性能的影响。

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