Electron-withdrawing groups (EWGs) are substituents on a molecular structure that pull electron density away from the rest of the molecule, often resulting in an increased positive character on the adjacent atoms. These groups play a crucial role in influencing the reactivity and stability of copolymers by affecting the electron distribution within the polymer backbone. The presence of EWGs can significantly alter the properties of materials, making them essential in the synthesis and design of copolymers with desired functionalities.
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