Advances in Polymer Technology

Research Article

Manufacturing of Filament for 4D Printing through Polyether-Type TPU/PLA Blend

Table 8

Shape memory testing of 3D-printed TPU/PLA blend samples under temperature stimulus.


Samples		Recov. temp. (°C)	Angle (°) item	135	90	45	0

TPU/PLA 5 : 5 at 60°C (5 min)		65	Shape
		65	Time (s)	15	50	90	230
		70	Shape
		70	Time (s)	10	40	70	210
		75	Shape
		75	Time (s)	15	40	60	200

TPU/PLA 7 : 3 at 60°C (5 min)		65	Shape
		65	Time (s)		20	30	80
		70	Shape
		70	Time (s)		15	30	60
		75	Shape
		75	Time (s)		10	20	50

TPU/PLA 9 : 1 at 60°C (5 min)		65	Shape
		65	Time (s)			10	30
		70	Shape
		70	Time (s)			8	20
		75	Shape
		75	Time (s)			5	10

TPU/PLA 5 : 5 at 70°C (5 min)		75	Shape
		75	Time (s)	25	40	75	160
		80	Shape
		80	Time (s)	25	40	75	140
		85	Shape
		85	Time (s)	20	40	75	110

TPU/PLA 7 : 3 at 70°C (5 min)		75	Shape
		75	Time (s)	30	50	65	110
		80	Shape
		80	Time (s)	20	40	60	105
		85	Shape
		85	Time (s)	20	40	60	95

TPU/PLA 9 : 1 at 70°C (5 min)		75	Shape
		75	Time (s)		10	20	80
		80	Shape
		80	Time (s)		5	15	60
		85	Shape
		85	Time (s)		5	10	55

TPU/PLA 5 : 5 at 80°C (5 min)		85	Shape
		85	Time (s)	40	55	90	150
		90	Shape
		90	Time (s)	20	40	70	135
		95	Shape
		95	Time (s)	20	40	65	110

TPU/PLA 7 : 3 At 80°C (5 min)		85	Shape
		85	Time (s)	20	35	60	105
		90	Shape
		90	Time (s)	20	30	55	100
		95	Shape
		95	Time (s)	20	30	50	90

TPU/PLA 9 : 1 at 80°C (5 min)		85	Shape
		85	Time (s)		10	30	65
		90	Shape
		90	Time (s)		10	25	60
		95	Shape
		95	Time (s)		10	20	55

TPU/PLA 5 : 5 at 90°C (5 min)		95	Shape
		95	Time (s)	40	80	240
		100	Shape
		100	Time (s)	20	60	210
		105	Shape
		105	Time (s)	110	140

TPU/PLA 7 : 3 At 90°C (5 min)		95	Shape
		95	Time (s)	110	240	330
		100	Shape
		100	Time (s)	80	150	225
		105	Shape
		105	Time (s)	50	130	190

TPU/PLA 9 : 1 at 90°C (5 min)		95	Shape
		95	Time (s)	10	40	70	120
		100	Shape
		100	Time (s)	10	40	80	145
		105	Shape
		105	Time (s)	10	80	115	155