tetramethylimidazolidinediylpropylamine (tmbpa) catalyzed reactions for lightweight aerospace composites abstract: lightweight aerospace composites are critical for enhancing aircraft performance, fuel efficiency, and structural integrity. the development of efficient and environmentally friendly curing agents and catalysts plays a vital role in advancing composite technology. tetramethylimidazolidinediylpropylamine (tmbpa) is a tertiary amine catalyst gaining increasing attention for its effectiveness...