Table 3 Color characteristics of LNP-PVA.

From: Lignin nanoparticle-enhanced PVA foils for UVB/UVC protection

LNP

L*

a*

b*

ΔE*

SKL-C1

 

0

53.54

0

0

 

2

53.34

0.02

0.43

0,47

5

53.25

0.20

0.55

0,23

10

53.16

0.16

1.33

0,79

15

53.03

0.03

1.52

0,29

EKL-C1

0

53.54

0

0

 

2

53.22

0.01

0.42

0,53

5

53.19

0.06

0.44

0,06

10

53.21

0.14

0.59

0,17

15

53.40

0.13

0.66

0,20