Study of Natural and Accelerated Weathering on Mechanical Properties of Antioxidants Modified Low Density Polyethylene Films for Greenhouse

Table 4

Elongation at break of LDPE films under natural and accelerated weathering.

Sample	Elongation at break (%)
	Accelerated weathering			Natural weathering
	0 h	75 h	100 h	0 day	90 days
Neat LDPE	246.0	181.2	91.6	305.7	6.3
GR-0.2	89.8	171.6	232.0	363.9	17.8
GR-0.5	120.6	124.9	138.0	91.8	64.0
GR-2.0	101.4	60.8	36.9	258.0	38.8
AN-0.2	116.4	171.2	97.2	425.6	16.3
AL-0.2	169.4	119.8	83.4	241.9	16.0
AN/AL-0.1/0.1	215.0	362.4	418.0	211.3	12.9