Paints and Coatings Auxiliaries for the coating of surfaces - Clariant
Paints and Coatings Auxiliaries for the coating of surfaces - Clariant
Paints and Coatings Auxiliaries for the coating of surfaces - Clariant
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Polyurethane finishes<br />
> One-pack system<br />
It is difficult to produce a flatting<br />
effect in one-component polyurethane<br />
finishes with wax only. The<br />
basic flatting effect is best produced<br />
with silica, after which Ceridust<br />
9615 A, Ceridust 6721 or Ceridust<br />
5551 should be added to improve<br />
film properties such as h<strong>and</strong>le,<br />
scratch resistance <strong>and</strong> smoothness.<br />
> Two-pack system<br />
A finer silk-finish effect can be<br />
achieved in two-component polyurethane<br />
<strong>coating</strong>s with Ceridust<br />
9615 A, Ceridust 6721 or Ceridust<br />
5551. Film properties such as<br />
h<strong>and</strong>le, scratch resistance <strong>and</strong><br />
smoothness are also enhanced.<br />
Guide <strong>for</strong>mulation<br />
Desmophen solution (component A)<br />
Desmophen ®+ 1300<br />
75 % solution in xylene 32.0<br />
Nitrocellulose chips E 510 1.5<br />
Ethyl acetate 10.4<br />
Butyl acetate 11.0<br />
Methoxypropyl acetate 10.8<br />
Xylol 8.9<br />
Acronal 4L 0.2<br />
Baysilone OL 17 0.2<br />
Parts by weight 75.0<br />
Desmodur solution (component B)<br />
Desmodur ®+ IL 14.2<br />
Desmodur L 75 9.4<br />
Xylol 1.4<br />
Parts by weight 25.0<br />
24<br />
Mixing ratio<br />
component A:component B 3:1<br />
Binder content approx. 40 %<br />
Degree <strong>of</strong> crosslinking approx. 1<br />
Efflux time at 23 °C,<br />
DIN cup 4 mm,<br />
DIN 53 211 approx. 20 sec.<br />
Drying at room<br />
temperature <strong>of</strong> a<br />
150 µm thick wet film approx. 40 min.<br />
Acid-curing paints<br />
The quantity <strong>of</strong> wax <strong>and</strong> method <strong>of</strong><br />
incorporation are similar to those<br />
described in detail on page 18 dealing<br />
with nitrocellulose lacquers.<br />
Guide <strong>for</strong>mulation<br />
(white, silk-sheen curtain-<strong>coating</strong> paint)<br />
Note: can also be <strong>for</strong>ce-dried,<br />
e.g. 5 min. 120 °C<br />
Stock paint<br />
Vialkyd ®+ AM 421/80 IP 23.00<br />
Titanium dioxide RN 59 23.00<br />
Ceridust 9615 A 1.65<br />
Viamin ®+ HF 164/70 IB<br />
Collodium wool H 33<br />
45 % solution in<br />
25.00<br />
methylisobutyl ketone 5.70<br />
Dibutyl phthalate 1.00<br />
No air liquid ®+ 0.65<br />
Methoxypropylacetate 1.00<br />
Butyl acetate 10.00<br />
Isopropanol 3.00<br />
Additol VXL 6245 0.30<br />
Xylol 5.70<br />
Parts by weight 100.00<br />
Hardener<br />
p-toluene sulphonic acid 0.60<br />
Phosphoric acid butyl ester 0.40<br />
Butanol 9.00<br />
Parts by weight 10.00<br />
Mixing ratio<br />
stock paint : hardener 10 : 1<br />
Tack-free drying approx. 15 min.<br />
Efflux time at 23 °C,<br />
DIN cup 4 mm,<br />
DIN 53 211 approx. 40 sec.<br />
Guide <strong>for</strong>mulation<br />
(colorless silk-sheen paint)<br />
Note: Two-pack system with good<br />
body <strong>for</strong> furniture<br />
Stock paint<br />
Vialkyd AM 421/80 IP 49.40<br />
Viamin HF 164/70 IB 28.30<br />
Additol VXL 6245 0.30<br />
Ceridust 9615 A 1.00<br />
Xylol 16.50<br />
Butyl acetate 4.50<br />
Parts by weight 100.00<br />
Hardener<br />
p-toluene sulphonic acid 1.35<br />
Ethanol 8.65<br />
Parts by weight 10.00<br />
Mixing ratio<br />
stock paint : hardener 10:1<br />
Tack-free drying approx. 10 min.<br />
Efflux time at 23 °C,<br />
DIN cup 4 mm,<br />
DIN 53 211 approx. 70 sec.