新型多功能添加剂对粉末涂料熔体流变学和表面控制的影响

Influence of Novel Multi-Functional Additive on MeltRheology and Surface Control in Powder CoatingsBernhard Resch–Evonik Corporation, BL Coating Additives9/5/20242Industry Trend: Reduction of Curing Temperature and / or TimeA Need for New Additives? Let’s have a look…<130°C / 266°FUltra-low curefor heat-sensitive &alternativesubstrates160°C / 320°FNew generationof low cure / fastcure systems200°C / 392°FStandard curesystems3Powder Coating Systems inComparisonSystem NameCrosslinker / ResinEpoxyPolyamide or anhydride /bisphenol-A-resinHybridBlend of bisphenol-A-resin and COOH-polyesterTGICTriglycidyl isocyanurate /COOH-polyesterTGIC derivativesGlycidylester/ COOH-polyesterHAAß-Hydroxyalkylamide /COOH-polyesterPURPolyisocyanate /OH-polyesterPolyurethaneAcrylicsDi-acid / glycidyl methacrylateGMAFluoropolymersPolyisocyanate / OH-FEVEFunctionalDecorativeUsesExterior UsesCorrosionandInsulationProtectionInterior & StandardWeatherabilityLong-term Weather-and Light StableEpoxyPE/EpoxyHybridSta