Effect of Die Head Temperature at Compounding Stage on the Degradation of Linear Low Density Polyethylene/Plastic Film Waste Blends after Accelerated Weathering

Table 4

Colour parameters and total change in colour () for studied formulations at different accelerated weathering exposure (hours) processed at a DHT = 195°C.

Materials (wt.%/wt.%)	Exposure duration (hours)
V (100 LLDPE/0 waste)	48	25.8
	72	27.0
	120	28.8
	168	26.8
	216	26.2
	264	29.5
	360	30.3
B1 (90 LLDPE/10 waste)	48	28.7
	72	30.0
	120	28.2
	168	26.0
	216	30.0
	264	21.9
	360	29.8
B2 (75 LLDPE/25 waste)	48	26.0
	72	24.5
	120	25.3
	168	27.0
	216	26.6
	264	29.3
	360	28.6
B3 (50 LLDPE/50 waste)	48	23.5
	72	25.1
	120	25.9
	168	25.5
	216	25.0
	264	28.7
B4 (25 LLDPE/75 waste)	48	22.3
	72	21.6
	120	21.2
	168	23.6
	216	22.30
	264	21.8
B5 (10 LLDPE/90 waste)	48	18.74
	72	19.26
	120	28.22
	168	26.0
	216	29.97
	264	21.94