December 10, 2025 - A major announcement was made in China's polyester material sector as a series of high-performance neopentyl glycol-based polyester products made their official debut. Covering more than ten basic categories such as poly(neopentyl glycol adipate) and poly(neopentyl glycol sebacate), as well as a variety of derivative products with end-group modification, molecular weight regulation and structural optimization, the product line fills multiple application gaps with diverse properties, injecting new vitality into the polymer material industry. As an important branch of high-performance polyester materials, the newly launched neopentyl glycol series polyesters boast a comprehensive product portfolio. The basic categories include polymerization products of neopentyl glycol with dicarboxylic acids of different carbon chain lengths, from adipic acid to octadecanedioic acid. Derivatives include end-group modified types such as vinyl-terminated, carboxyl-terminated and hydroxyl-terminated products, as well as molecular weight-controlled products with narrow distribution, bimodal distribution and trimodal distribution. Special structural products like star-shaped, dendritic and comb-shaped polyesters are also released simultaneously. In addition, functional modified products with yellowing resistance and weather resistance, as well as products with special functional groups such as silicon-containing, heterocycle-containing and bio-based polyesters, further expand the application scenarios. Through precise regulation of molecular structure and performance parameters, the series products excel in mechanical strength, weather resistance and compatibility. They can not only be widely used in traditional fields such as coatings, adhesives and elastomers, but also meet the special needs of high-end fields including electronic packaging, biomedicine and new energy, providing key material support for the product upgrading of related industries. Industry insiders stated that the innovative development of neopentyl glycol series polyesters demonstrates the breakthroughs in molecular design and synthesis technology in China's polymer material sector. It will promote the development of China's polyester materials towards high performance, multi-functionality and greenization, helping related industries enhance their international competitiveness.

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