Durability of Nonwoven Geotextile (PP and PET) Under Natural Weathering: A Comprehensive Evaluation Using Thermal, Mechanical, and Microstructural Analysis. - Valentin, Clever Aparecido; Lins da Silva, Jefferson; Kobelnik, Marcelo; Luz, Marta Pereira da; Aparicio-Ardila, Maria Alejandra; Pedroso, Gabriel Orquizas Mattielo; Santos, Marcell Gustavo Chagas; Gouda, P. S. Shivakumar (International Journal of Polymer Science, 2026)