Preparation and Properties of DMF-Based Polyurethanes for Wet-Type Polyurethane Artificial Leather

Table 3

Thermal and mechanical properties of wet-type PU films.

Sample designation	DSC result	DMA result	Mechanical properties
	Tgs (°C)	Tgs (°C)	Tensile strength (kgf/cm^2)	Elongation at break (%)
B-PE/B/M	−40.1	−37.4	41	483
B-PE/B	−42.4	−40.2	62	391
B-PC/H/M	−10.9	−11.5	68	342
B-PC/H	−14.0	−15.1	101	162
H-PE/B/M	−35.2	−37.6	39	669
H-PE/B	−31.9	−36.9	46	346
H-PC/H/M	−13.1	−15.8	61	429
H-PC/H	−7.6	−12.8	96	218