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abspalterfreier polyurethane pulverlack with low einbrenntemperatur
abspalterfreier polyurethane pulverlack with low einbrenntemperatur
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机译:烘烤温度低的免剖分聚氨酯粉末涂料
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摘要
The present invention relates to polyurethane powder coating compositions that do not split off blocking agents and have a low stoving temperature. The powder coating compositions contain a hydroxyl functional binder component having a content of carboxyl groups of from 0.5 to 2.0 wt. %, a polyaddition compound, at least one zinc compound as a hardening catalyst, and a compound reactive to carboxyl groups.
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