用于水性涂料的综合稳定剂系统.pdf

1、Comprehensive stabilizer systems forComprehensive stabilizer systems forWaterWater-based Coatingsbased CoatingsSteven Lee,Arvin YangRianlon CorporationCoatings Trends&TechnologiesThe Westin Lombard,IllinoisSeptember 5,2024CONTENT01Stabilization for coatings02Water-based reactable blend03Water-based

2、technologies1.1 Solution of light stabilizationRRH(Ch)ROORHROOHRO+OHRHO2RH(Ch*)Hindered Amine LightStabilizer（HALS）UV Absorber（UVA）1002003004005006007008009001000100-280280-315315-3801.2 UV Absorbers(UVA)UV Light asVibrational EnergyBenzotriazole-1Benzotriazole-2 Excellent photo-performance,can be e

3、asily incorporatedinto both solvent-borne andwaterborne coatings.Suitable for wide range ofcoating applications.Suitable for solvent-borneand specific waterbornecoatings,which expose tohigh thermal and extremeenvironmental condition.Traizine-1 Provides very high thermalstability,high photostabilitya

4、nd limited migration Especially recommend forapplications need veryhigh anti-weatheringperformance.1.3 Hindered Amine Light Stabilizer(HALS)hN-OR type HALSLow basic NOR HALS,recommended forcoatings containing aggressive media suchas acids,catalyst residues.HALS-1(N-R type)Universal HALS for wide ran

5、ge of coatings.Synergistic effect between UVA and HALS.Used in combination.SamplesStandardLayer usedSubstrateBase coatClear coatThickness(BC/CC)ApplicationUVA：BZT-2HALS:HALS-1ASTM G 154-06,cycle 2ClearcoatSteelSolid white,Acrylic2K Acrylicpolyurethane16 /25-30 Motorcycle coatings01234567891010020030

6、0400500600700800ETime/hourSynergitic effect between UVA and HALSUnstabilized1.5%BZT-21%BZT-2+0.5%HALS-11.5%HALS-1After 800 hours of QUV exposure：1.5%HALS-11%BZT-2&0.5%HALS-11.5%BZT-21.4 Synergistic effect of Light stabilizersUnstabilized2.1 Reactable stabilizersConventional stabilizersReactable stab