Nanocrystalline Cellulose as Effect Pigment in Clear Coatings for Wood

Table 1

UV-curable waterbased varnish formulation.

Additive	Commercial name	Role	% wt.
Urhetane acrylate dispersion	Bayhydrol UV 2282 (Bayer)	Resin	92.14
Polyetherdimethylsiloxane copolymer	Byk 025 (Byk-Chemie)	Defoamer	0.5
Polyethersiloxane copolymer	Byk 348 (Byk-Chemie)	Surfactant	0.46
Bisacylphospine oxide	Irgacure 819DW (BASF)	Photoinitiator	0.92
Polyurethane	Acrysol RM2020 (Dow Corning)	Thickening agent	1.38
Water	—	Solvent	4.6