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In order to comply with the environmentally friendly flame retardant requirements of epoxy resin and strive to maintain the comprehensive performance of the epoxy resin matrix, a P/N/S‐containing heterocyclic halogen‐free reactive flame retardant (VAP) was constructed. Vanillin (VA), 2‐amino‐5‐mercapto‐1,3,4‐thiadiazole, and 9,10‐dihydro‐9‐oxa‐10‐phosphaphenanthrene10‐oxide (DOPO) were chosen as raw...
Polymeric materials are used for encapsulation of crystalline silicon solar modules to protect them against mechanical damage and environmental stress. The ultraviolet (UV) radiation is a key factor causing considerable damages for polymeric materials. UV Preconditioning Test of current qualification tests IEC61215 did not reflect the real condition during service life of 25 years. In this paper,...
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