. 2020 Aug 13;533:147516. doi: 10.1016/j.apsusc.2020.147516

Table 2.

L*, a*, b*, ΔE, moisture content (MC), swelling degree (SD), and water vapor permeability (WVP) of different nanocomposite films.

Samples	L*	a*	b*	ΔE	MC %	SD %	WVP × 10⁻¹¹ (g·Pa⁻¹s⁻¹m⁻¹)
PVA	96.49 ± 0.23^a	6.49 ± 0.18^a	3.61 ± 0.08^c	9.91 ± 0.29^c	8.30 ± 0.09^d	37.14 ± 2.56^a	20.72 ± 0.32^a
PVA/AgNPs	66.77 ± 0.43^b	5.11 ± 0.10^b	3.77 ± 0.40^b	23.79 ± 0.39^b	9.81 ± 1.16 ^cd	38.46 ± 1.71^a	14.81 ± 0.42^b
PVA/AgNPs/BPTA-10 g/L	42.05 ± 0.45^c	1.70 ± 0.24^c	7.20 ± 0.28^a	48.07 ± 0.46^a	11.79 ± 0.39^bc	35.81 ± 0.61^a	10.51 ± 0.09^c
PVA/AgNPs/BPTA-30 g/L	42.08 ± 0.47^c	1.83 ± 0.22^c	7.21 ± 0.08^a	48.05 ± 0.47^a	13.37 ± 0.67^ab	34.66 ± 1.01^a	9.08 ± 0.16^d
PVA/AgNPs/BPTA-50 g/L	42.11 ± 0.49^c	1.84 ± 0.22^c	7.21 ± 0.07^a	48.01 ± 0.48^a	14.94 ± 0.43^a	33.22 ± 2.72^ab	6.05 ± 0.08^e
PVA/AgNPs/BPTA-70 g/L	42.32 ± 0.22^c	1.82 ± 0.37^c	7.19 ± 0.13^a	47.80 ± 0.21^a	13.44 ± 0.17^ab	27.73 ± 0.99^b	10.81 ± 0.22^c

Values are presented as mean ± standard deviation. Different letters in the same column indicate significant differences (p < 0.05).