Table 3. Mechanical Properties of PBS, PBSTMG Copolymers, and PBS-PBSTMG Blends.

sample	tensile strength (MPa)	elongation at break (%)	impact strength (kJ/m2)
PBS	37.8	323	6.7
PBSTMG-5	30.5	505	22.2
PBSTMG-10	32.0	476	30.0
PBSTMG-15	23.5	473	a
PBSTMG-20	12.7	573	a
PBS-5%PBSTMG	34.7	317	10.4
PBS-10%PBSTMG	44.1	499	8.2
PBS-20%PBSTMG	43.0	467	8.1
PBS-30%PBSTMG	34.4	379	16.7

^aSpecimens cannot be ruptured.