Surface structure and morphological evolution during the preparation of polyacrylonitrile-based carbon fibers via dry-jet wet spinning

Key Points

• Surface structure significantly affects the properties of polyacrylonitrile-based carbon fibers, enhancing their performance.
• Significant changes in morphology were observed during the dry-jet wet spinning process, improving fiber integrity.
• Analysis during the preparation of carbon fibers shows that specific spinning conditions influence the final product’s characteristics.
• Further exploration is needed to optimize the spinning process for industrial application, indicating potential for advanced fiber technologies.