5Th World Pultrusion Conference - EPTA, Berlin - Part 2 Isophthalic Polyester in Weathering for Pultrusions.

Advanced Materials & Composites News,  October, 2000  

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Ben Bogner from BP Chemicals in Naperville, Illinois reviewed ongoing work they have done on [superscript three]Strength Retention of Pultruded Composites After Exposure to Ultraviolet (UV) Light.[superscript two] Test panels were prepared from an isophthalic acid-based unsaturated polyester (isopolyester) and a bisphenol-A epoxy vinyl ester resin, formulated into commercial composite specimens.

The composites have been subjected to 500, 1,000, and 10,000 hours (14 months) exposure to a quartz lamp (QUV A-bulb), per ASTM G-53, a test for coatings. Then they were ...

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