Mechanically robust and recyclable CO2-derived poly(carbonate) vitrimers: The role of crosslinking density in mechanical and rheological properties - Jinhyun Hwang; Younghan Song; Hoesun Hwang; Suhnue Kim; Hyungsup Kim; Ki Wan Bong; Hyeonyeol Jeon; Cheol Hun Park; Jongbeom Na; Jin Young Seo (Chemical Engineering Journal, 2025)