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首页> 外文期刊>Journal of Applied Polymer Science >Preparation and characterization of UV-curable, boron-containing, transparent hybrid coatings
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Preparation and characterization of UV-curable, boron-containing, transparent hybrid coatings

机译：紫外光固化含硼透明杂化涂料的制备和表征

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摘要

A series of ultraviolet (UV)-curable, boron-containing hybrid coatings were prepared by an anhydrous sol-gel technique from a mixture of an acrylated bisphenol A based epoxy resin, methacryloxymethyl triethoxysilane, and boric acid. The use of boric acid allowed the hydrolysis and condensation of hybrid silicon alkoxides without the further addition of water or a catalyst. The chemical structure of the boron-containing hybrid coatings was characterized with Fourier transform infrared, real-time infrared, and ~(29)Si cross-polarization/magic-angle spinning NMR techniques. UV-curable coatings were applied to polycarbonate and Plexiglas substrates. The physical and mechanical properties of the UV-cured coatings (e.g., pendulum hardness, pencil hardness, contact angle, gel content, methyl ethyl ketone rubbing test, tensile test, abrasion resistance, chemical resistance, neutron absorption, and limiting oxygen index) were examined. The hybrid coatings showed a significant enhancement in their radiation-shielding properties. The thermal behavior of the coatings was also evaluated. It was observed that the thermal stability of the coatings mainly depended on their boron and silicate contents. The results of all analyses of the free films and coatings were examined.
机译：通过无水溶胶-凝胶技术，从丙烯酸酯化的双酚A基环氧树脂，甲基丙烯酰氧基甲基三乙氧基硅烷和硼酸的混合物中制备了一系列可紫外（UV）固化的含硼杂化涂料。硼酸的使用允许杂化硅醇盐的水解和缩合，而无需进一步添加水或催化剂。用傅立叶变换红外，实时红外和〜（29）Si交叉极化/魔角旋转NMR技术对含硼杂化涂层的化学结构进行了表征。将可紫外线固化的涂料应用于聚碳酸酯和有机玻璃基材。 UV固化涂层的物理和机械性能（例如，摆硬度，铅笔硬度，接触角，凝胶含量，甲乙酮摩擦测试，拉伸测试，耐磨性，耐化学性，中子吸收和极限氧指数）为检查。杂化涂层显示出其辐射屏蔽性能的显着提高。还评估了涂层的热行为。观察到涂层的热稳定性主要取决于它们的硼和硅酸盐含量。检查了自由膜和涂层的所有分析结果。

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