C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/03 (2006.01) C08G 59/42 (2006.01) C08J 7/04 (2006.01) C08K 5/092 (2006.01) C09D 133/02 (2006.01)
Patent
CA 2471636
The invention relates to the use of special mixtures of at least two polycarboxylic acids as crosslinker components for thermally curing powder-lacquer binding agents having groups that are capable of reacting with carboxyl groups. The mixtures include at least two polycarboxylic acids each melting above 95 °C and having up to 20 carbon atoms and consist of at least 5 wt.%, of the polycarboxylic acid with the lowest melting point and at least 10 wt.%, of the polycarboxylic acid with the highest melting point of all polycarboxylic acids present in the mixture to at least 5 wt.%. Additionally, the polycarboxylic acid mixture is a solid below 40 °C and a liquid above 160°C.
Grahl Michael
Guertler Christoph
Halpaap Reinhard
Laas Hans-Josef
Rawlins James
Bayer Materialscience Ag
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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