Material Analysis
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The Weather-Resistant Modification Effect of AEPDS Decays Too Fast in the Accelerated Aging Test
Fenómeno do problema
The weather-resistant modification effect of AEPDS decays too fast in the accelerated aging test
Análise das causas
The AEPDS ultraviolet absorption mechanism decays after long-term exposure
The accelerated aging conditions are too harsh and do not represent the actual environment
The interaction between AEPDS and the matrix resin affects the weather resistance
AEPDS partially degrades during processing and the weather-resistant function is lost
Other components in the formulation accelerate aging
Solução
Verify the actual outdoor aging rather than only the accelerated test
Increase the AEPDS addition amount to compensate for the decay
Optimize the formulation to reduce aging-accelerating components
Control the processing temperature to avoid AEPDS degradation
Add auxiliary antioxidants to enhance weather resistance
Conclusão principal
AEPDS weather resistance needs actual verification and formulation optimization
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