主题词：biodegradable polymer synthesis and properties; Polymer crystallization and properties; Flame retardant materials and properties; Polymer Nanocomposites and Properties; Polymer Science and PVC; Synthesis and properties of polymers; Microplastics and Plastic Pollution; Thermal and Kinetic Analysis; Polymer composites and self-healing; Silicone and Siloxane Chemistry; Fire dynamics and safety research; Carbon dioxide utilization in catalysis; Epoxy Resin Curing Processes; Advanced Polymer Synthesis and Characterization; Human auditory perception and evaluation; Polymer Nanocomposite Synthesis and Irradiation; Photopolymerization techniques and applications; Recycling and Waste Management Techniques; Fiber-reinforced polymer composites; Natural Fiber Reinforced Composites; Diverse Scientific and Economic Studies; Conducting polymers and applications; Educational Robotics and Engineering; Electrospun Nanofibers in Biomedical Applications; Lignin and Wood Chemistry