Enzymatic hydrolysis of poly(1, 4-butylene 2, 5-thiophenedicarboxylate) (PBTF) and poly(1, 4-butylene 2, 5-furandicarboxylate) (PBF) films: A comparison of mechanisms. (September 2019)

• Record Type: Journal Article
• Authors: Gigli, Matteo; Quartinello, Felice; Soccio, Michelina; Pellis, Alessandro; Lotti, Nadia; Guebitz, Georg M.; Licoccia, Silvia; Munari, Andrea
• Is Part Of: Environment international. Volume 130(2019)
• Publication Date: 2019-09
• Subjects: Poly(1, 4-butylene 2, 5-thiophenedicarboxylate) (PBTF) -- Poly(1, 4-butylene 2, 5-furandicarboxylate) (PBF) -- Enzymatic hydrolysis -- Endo/exo chain scission -- Cutinases -- Polyesters degradation; Environmental protection -- Periodicals; Environmental health -- Periodicals; Environmental monitoring -- Periodicals; Environmental Monitoring -- Periodicals; Environnement -- Protection -- Périodiques; Hygiène du milieu -- Périodiques; Environnement -- Surveillance -- Périodiques; Environmental health; Environmental monitoring; Environmental protection; Periodicals; 333.705
• DOI: 10.1016/j.envint.2019.05.046
• Languages: English
• ISSNs: 0160-4120

Abstract

Abstract: Enzymatic hydrolysis of poly(1, 4-butylene 2, 5-thiophenedicarboxylate) (PBTF) and poly(1, 4-butylene 2, 5-furandicarboxylate) (PBF) by Humicola insolens (HiC) and Thermobifida cellulosilytica (Cut) cutinases is investigated. For the first time, the different depolymerization mechanisms of PBTF ( endo -wise scission) and PBF ( exo -wise cleavage) has been unveiled and correlated to the chemical structure of the two polyesters. Highlights: PBF and PBTF were successfully hydrolyzed by cutinase enzymes. Weight losses of about 20% have been reached after only 72 h of incubation. Different depolymerization mechanisms of PBTF ( endo -wise scission) and PBF ( exo -wise cleavage) were unveiled.