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20 YEAR COLOR LIFETIMES FOR ARCHITECTURAL RESTORATION COATINGS: THEORY AND REALITY

机译:建筑修复涂料的20年色彩寿命:理论与现实

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摘要

Baked solventbome poly(vinylidene fluoride) (PVDF) architectural finishes on metal celebrate their 50-year anniversary in 2015. Their multi-decade service life has been validated not only through Florida weathering testing on metal panels, but also through the weathering of actual building components throughout the world. Solventbome air-dry PVDF systems for field-applied touch-up, repair, and restoration were developed in the 1980s, and have now also demonstrated more than 20 years of excellent south Florida color retention when used in conjunction with weatherable inorganic pigments. Similarly, waterborne PVDF/inorganic pigment systems developed in the 2000s have now surpassed 10 years of excellent weatherability in Florida. In this article, strategies are discussed for attaining 20-year color retention lifetimes for PVDF-based coatings incorporating other types of pigments, including flake pigments and organic pigments, in both solvent- and waterborne formulations.
机译:金属上的烘焙溶剂聚偏二氟乙烯(PVDF)建筑饰面在2015年庆祝其成立50周年。其数十年的使用寿命不仅通过佛罗里达州对金属面板的耐候性测试,而且通过对实际建筑物的耐候性进行了验证世界各地的组件。用于现场应用的修补,修复和修复的Solventbome风干PVDF系统于1980年代开发,如今与耐候性无机颜料结合使用时,在南佛罗里达州的保色性也已有20多年的历史。同样,在2000年代开发的水性PVDF /无机颜料体系在佛罗里达州的耐候性已经超过10年。在本文中,讨论了在溶剂型和水性配方中掺入其他类型颜料(包括片状颜料和有机颜料)的PVDF基涂料达到20年保色寿命的策略。

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