Nanocrystalline Cellulose as Effect Pigment in Clear Coatings for Wood

Table 4

Formulations.

Formulation	Description	g CNC/g varnish	% Colorant (w/w)	% Additive (w/w)
A	Non-sonicated CNC suspension	—	—	—
B	Sonicated CNC suspension	—	—	—
C	Varnish in B suspension	1.25
D	Blue colorant in B suspension	—	0.2	—
E	Black colorant in B suspension	—	0.2	—
F	Magenta colorant in B suspension	—	0.2	—
G	Mixture of varnish, blue colorant and B suspension	1.25	0.2	—
H	Mixture of varnish, blue colorant, additive no. 1 and B suspension	1.25	0.2	0.5
I	Mixture of varnish, blue colorant, additive no. 2 and B suspension	1.25	0.2	0.5
J	Mixture of varnish, black colorant and B suspension	1.25	0.2	—
K	Mixture of varnish, black colorant, additive no. 1 and B suspension	1.25	0.2	0.5
L	Mixture of varnish, magenta colorant and B suspension	1.25	0.2	—
M	Mixture of varnish, magenta colorant, additive no. 1 and B suspension	1.25	0.2	0.5
N	Mixture of varnish, magenta and black colorants (1 : 1), additive no. 1 and B suspension	1.25	0.4	0.5
O	Mixture of varnish, blue and black colorants (1 : 1), additive no. 1 and B suspension	1.25	0.4	0.5