Evaluation of UV inhibitors in polyester gelcoats
2003
The performance of several UV inhibitors (light stabilizers and hindered amine light stabilizers) was investigated in a polyester gelcoat. The color change and the gloss retention were evaluated using several known accelerated lab test instruments and procedures, against real-life outdoor weathering. Correlation between these methods and the real-life data was suggested, along with a proposed model of the whole weathering process: upon outdoor exposure the color change (yellowing) occurs first, then after at least one year of weathering, the process of gloss loss also starts. © 2003 Wiley Periodicals, Inc. Adv Polym Techn 22: 365–372, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/adv.10063
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