Desmodur®/Desmophen® Bayhydrol®/Bayhydur® Roskydal®
Desmodur®/Desmophen® Bayhydrol®/Bayhydur® Roskydal®
Desmodur®/Desmophen® Bayhydrol®/Bayhydur® Roskydal®
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16<br />
5. Bayhydrol ® /Bayhydur ® for waterborne systems<br />
VP LS 2290<br />
Waterborne 2K-PUR systems<br />
Waterborne coatings with highest quality: ➔ Waterborne 2K-PUR Coatings<br />
Aqueous Polyol<br />
PES: Polyester, PAC: Polyacrylate, *: % on solids, °: % on supply form<br />
DMEA – dimethyl ethanolamin<br />
BG – butylglycol<br />
PnB – propylenglycol butyl ether<br />
SN 100 – solvent naphta 100<br />
+<br />
Polyisocyanate<br />
Polyols for waterborne 2K-PUR systems<br />
Bayhydrol ®<br />
VP LS 2139/2<br />
XP 2469<br />
A 145<br />
XP 2470<br />
Type<br />
PES/PAC<br />
secondary<br />
emulsion<br />
PES/PAC<br />
secondary<br />
emulsion<br />
Polyacrylate<br />
secondary<br />
emulsion<br />
Polyacrylate<br />
secondary<br />
emulsion<br />
Polyacrylate<br />
secondary<br />
emulsion<br />
Supply<br />
form [%]<br />
45<br />
45<br />
45<br />
45<br />
*OH-<br />
Content<br />
[%]<br />
3.8<br />
3.8<br />
2.5<br />
3.3<br />
°Co-Solvents<br />
[%]<br />
2.5<br />
Butyldiglycol<br />
8 BG<br />
8 PnB<br />
4 BG<br />
4 SN 100<br />
Polyacrylate, Polyester or<br />
Polyurethane Emulsion or Solution<br />
Hydrophilic and/or<br />
Low Viscous Hydrophobic Type<br />
Viscosity<br />
[mPa·s]<br />
at 23° C<br />
~2,000<br />
~1,500<br />
~1,500<br />
~800<br />
pHvalue<br />
7.5<br />
7.0<br />
8.4<br />
8.0<br />
4 PnB<br />
45 3.9<br />
~2,000 7.8<br />
4 SN 100<br />
*acid<br />
number<br />
27<br />
29<br />
18<br />
22<br />
24<br />
neutralized<br />
with<br />
DMEA<br />
DMEA<br />
DMEA<br />
DMEA<br />
Triethanolamin<br />
DMEA<br />
T G [°C]<br />
6<br />
45<br />
30<br />
28<br />
50<br />
Applications<br />
solid colour top<br />
coat primer surfacer<br />
top coat<br />
clear coat<br />
primer/surfacer<br />
top coat<br />
primer/surfacer<br />
solid colour top<br />
coat primer,<br />
clear coat<br />
top coat<br />
clear coat
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