| 摘要 |
<p>The invention relates to a powder coating composition comprising a physical mixture of a powder (A) and a powder (B),wherein the powder (A) comprises a thermal radical initiator selected from the group of peroxyesters, monoperoxycarbonates and mixtures thereof, wherein the powder (B) comprises a catalyst for the thermal radical initiator, selected from the group of salts or complexes of Mn, Fe, Cu and mixtures thereof, wherein powder (A) does not comprise a catalyst for the thermal radical initiator and wherein powder (B) does not comprise a thermal radical initiator, wherein a resin containing reactive unsaturations is present in powder (A) and/or powder (B), wherein in case the reactive unsaturations in the resin are not able to react with each other after thermal radical initiation, a co-crosslinker selected from the group of vinylethers, methacrylates, acrylates, vinylamides, itaconates, vinylesters, enamines, thiols and mixtures thereof, is present in powder (A) and/or in powder (B).</p> |
