Antioxidant Properties of Curcumin Analogues to Inhibit Thermal Degradation of Low-Density Polyethylene: Experimental and DFT Study

Table 3

The antioxidant efficiency (%E) of curcumin analogues 1–8 toward the LDPE oxidation.

Compound	%E at different doses (%)
	0	0.5	1	2	4	6
1	0	74	87.7	89.5	94.2	99
2	0	65	98.8	98.9	100	100
3	0	80	94.8	96.7	98	98.8
4	0	70.6	72.7	95.7	97.9	99
5	0	85.8	86.7	93.5	96.9	98.5
6	0	73	93.6	96.8	100	100
7	0	100	100	100	100	100
8	0	98	97.5	99.4	100	100