Table 3. Mechanical Properties of PGBAT, PGBS, and PGBT Copolymers^a.

sample	Young’s modulus/MPa	tensile strength/MPa	elongation at break/%
PBAT	101 ± 30	24.1 ± 1.9	774 ± 61
PGBAT21	83.9 ± 6.8	7.23 ± 0.71	329 ± 75
PGBAT44	26.5 ± 2.2	2.04 ± 0.26	40.8 ± 8.3
PGBAT86	53.5 ± 9.4	2.12 ± 0.44	36.8 ± 13.2
PGBAT89	74.8 ± 20.8	3.79 ± 1.66	28.1 ± 16.6
PGBAT92	329 ± 56	6.12 ± 0.60	18.6 ± 6.6
PGA	7600 ± 1200	124 ± 21	3.0 ± 5.8
PGBS91	9.74 ± 2.13	0.60 ± 0.08	410 ± 209
PGBT80	674 ± 55	9.10 ± 0.82	285 ± 143

^aSamples are compared to commercial PBAT and PGA. Samples were stored for 2 weeks at 21 °C before testing.