tetramethyl dipropylenetriamine (tmbpa) for low-shrinkage epoxy composites in electronics packaging abstract: this article provides a comprehensive overview of tetramethyl dipropylenetriamine (tmbpa), a crucial curing agent employed in the formulation of low-shrinkage epoxy composites for electronics packaging applications. we delve into its chemical properties, synthesis methods, curing mechanisms with epoxy resins, and the resulting advantages in...