Efficient Synthesis of Chemically Recyclable Polyamides via Substituent Effects-Enabled Mechanistic Pathway.

ABSTRACT: Imination and amidation are two fundamental condensation reactions central to modern chemical synthesis, and devising energy-efficient ways to trigger them is highly relevant in advancing low-carbon manufacturing, with most approaches relying on the use of catalysts. Here, we revisit the dimethyl acetone-1,3-dicarboxylate (DADC) chemistry, and show that it can react with a broad range of small-molecule and macromolecular amines at moderate temperatures (80‒120 °C) in the absence of any catalysts. This represents a significant reduction in processing temperatures compared to traditional polycondensation methods for polyamide synthesis, which often require temperatures exceeding 230 °C. Mechanistic and model studies reveal that the high reactivity of DADC toward amines arises from its synerg

SUBMITTER: Ma Y 

PROVIDER: S-EPMC12603994 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature