The Effect of UV- Radiation on Mechanical and Chemical Properties of Polyurethane/ nanoTiO2 Sizing by Unsaturated Polyester. JUBES [Internet]. 2018 Nov. 26 [cited 2025 May 3];26(10):265-72. Available from: https://www.journalofbabylon.com/index.php/JUBES/article/view/1882