“保暖神器”——聚酯纤维，真的不是“行走的塑料瓶”

Group 1 - The core concept of the articles emphasizes the distinction between polyester fiber and plastic, highlighting that polyester fiber is derived from PET (polyethylene terephthalate) through different manufacturing processes [1] - In 2023, global recycled polyester fiber production reached 8.9 million tons, with approximately 98% sourced from PET plastic bottles, illustrating a significant recycling effort [1] - The complexity and high cost of recycling processes mean that most polyester fibers in everyday clothing still originate from petroleum, despite the presence of recycled materials [1] Group 2 - Polyester fibers are versatile, used in various winter clothing items such as hats, fleece jackets, and gloves, with different post-processing techniques allowing for diverse textures and functionalities [2] - The low moisture absorption of polyester fibers makes them ideal for winter wear, as they maintain warmth and dryness, while their structure allows for effective moisture management during physical activities [2] - In 2023, polyester fibers accounted for 57% of the global fiber production, which totaled 124 million tons, with China producing 62.26 million tons of polyester fibers in 2024 [3] Group 3 - The future of polyester fibers is expected to evolve continuously, providing warmth and convenience to consumers [4]