Spychaj T, Pilawka R. The physicochemical characterization of an aminoester-type epoxy-resin hardener prepared from chemical degradation of poly(ethylene terephthalate). p [Internet]. 2022 Sep. 19 [cited 2024 Dec. 4];46(11-12):803-11. Available from: https://polimery.ichp.vot.pl/index.php/p/article/view/2136