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单分散官能化聚(丙、丁)二醇及官能化(乙、丙、丁)混聚二醇

单分散官能化聚(丙、丁)二醇及官能化(乙、丙、丁)混聚二醇 Monodisperse, end-functionalized poly(propylene-co-butylene) glycols and random/gradient/block-functionalized poly(ethylene-co-propylene-co-butylene) glycols are prepared via controlled anionic ring-opening polymerization followed by quantitative end-group transformation, affording terminal –NH₂, –COOH, maleimide (MA), maleate (Mal), azide and other clickable moieties. Tailored segmental statistics (random, gradient or block) confer superior thermodynamic miscibility. The materials are engineered for high-crosslink-density waterborne polyurethanes, site-specific drug/protein conjugation, biodegradable elastomers and photocurable 3-D printing networks, enabling precise synergy of mechanical performance, degradation profile and tailored functionality.
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