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首页> 外文期刊>Journal of Applied Polymer Science >Preparation and properties of acrylic melamine hard coating
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Preparation and properties of acrylic melamine hard coating

机译：丙烯酸三聚氰胺硬涂层的制备与性能

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摘要

Melamine resin polymers exhibit high transmittance, high pencil hardness, and high refractive index. However, high temperatures and long reaction times are required to obtain the desired condensation products. In this study, acrylic-modified melamine resins were synthesized that were cured by irradiation with ultraviolet (UV) light. The synthesized acrylic-modified melamine resins could be cured rapidly due to the radical reaction of the acrylic groups and retained high transparency and high refractive index as features of the melamine resin polymers. The polymerized film by UV curing had low shrinkage and high refractive index. Compared with general multifunctional moiety-type acrylic monomers such as pentaerythritol triacrylate and dipentaerythritol hexaacrylate, the acrylic-modified melamine resins had the same degree of hardness. In addition, flexibility, a feature of the urethane moiety, was imparted to the polymer by the reaction of residual hydroxyl groups with isocyanate.
机译：三聚氰胺树脂聚合物表现出高透射率，高铅笔硬度和高折射率。然而，需要高温和长反应时间以获得所需的缩合产物。在这项研究中，合成了丙烯酸改性的三聚氰胺树脂，这些树脂通过紫外线（UV）的照射而固化。合成的丙烯酸改性的三聚氰胺树脂由于丙烯酸基团的自由基反应而可以快速固化，并保持高透明性和高折射率作为三聚氰胺树脂聚合物的特征。通过UV固化的聚合膜具有低收缩率和高折射率。与一般的多功能部分型丙烯酸单体（例如季戊四醇三丙烯酸酯和二季戊四醇六丙烯酸酯）相比，丙烯酸改性的三聚氰胺树脂具有相同的硬度。另外，通过残余羟基与异氰酸酯的反应赋予聚合物以挠性，这是氨基甲酸酯部分的特征。

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