Page 86 - Handbook of Adhesion Promoters

5.2 Coatings 79

9
Stain-blocking primer
49 wt% core-shell based cationic emulsion (Prox SBP 604)
1 wt% wetting additive (Modarez X840)
2.1 wt% dispersing agent (SyntroPon W 597)
0.15 antifoaming agent (Moussex 7134 HE)
0.05 wt% microbiocide (Kathon WT)
16.05 wt% titanium dioxide (Kronos 2190)
5.35 wt% barium sulfate (Blanc fixe N)
10.7 wt% filler (Finntalc M30)
15.65 deionized water

10
Primer for high-solids epoxy coatings
32.7 wt% epoxy resin (DLVE 18)
14 wt% Mannich base epoxy resin (D.E.H. 615)
0.18 wt% dispersing agent (Byk 104S)
0.07 wt% air release agent (Byk 501)
22.87 wt% filler, wollastonite (Wollastocoat 10 ES)
6.6 wt% zinc phosphate-based corrosion inhibitor (Halox SZP-391)
10 wt% barium sulfate (Blanc fixe N)
10 wt% pigment (red iron oxide)
0.5 wt% solvent (PM acetate)
0.37 wt% solvent (MIBK)
2.5 wt% solvent (xylene)

11
Primer for automotive coating
24.81 wt% tris(p-isocyanatophenyl) thiophosphate (Desmodur RFE)
7.50 wt% copolyester resin (Vitel 2200B)
1.15 wt% p-toluenesulfonyl isocyanate
0.55 wt% catalyst (DBTL)
13.71 wt% solvent (MEK)
42.45 wt% solvent (ethyl acetate)

12
Typical silane primer recipe
5 wt% organofunctional silane
40 wt% SDA alcohol
5 wt% distilled water
40 wt% xylene
5 wt% n-butanol
4 wt% 2-butoxyethanol