Preparation and Characterization of Talc Filled Thermoplastic Polyurethane/Polypropylene Blends

Table 1

DMA results of the neat TPU, PP, TPU/T and PP/T composites, and unfilled and talc filled TPU/PP blends.

Sample	𝑇𝑔,TPU (°C, 𝐸^′′)	𝑇𝑔,PP (°C, 𝐸^′′)	𝐸^′ (GPa) at 25°C	𝛼𝑐 (°C)
TPU 100/0	−27.3	—	0.1	—
TPU/T 100/5	−21.7	—	0.2	—
PP 100/0	—	24.3	2.3	57.2
PP/T 100/5	—	26.4	2.8	69.4
TPU/PP 80/20	−22.2	—	0.2	—
TPU/T/PP 80/5/20	−21.1	—	0.5	—
TPU/PP 50/50	−21.2	16.6	1.0	72.3
TPU/T/PP 50/5/50	−18.0	18.2	1.2	77.0
TPU/PP 20/80	−26.7	20.7	1.9	75.3
TPU/T/PP 20/5/80	−20.3	22.5	2.0	76.7