用于高性能建筑底漆和面漆的新一代丙烯酸-聚氨酯分散体.pdf

1、NextNext-GenerationGenerationAcrylicAcrylic-Polyurethane DispersionPolyurethane Dispersionfor Highfor High-PerformancePerformanceArchitectural Primers andArchitectural Primers andTopcoatsTopcoatsGeorge WangTechnical service chemistAlberdingk Boley Inc.Agenda Introduction Market requirements Experime

2、ntal plan Performance highlights Masonry coatings Conclusion Q&ABonding Enamel Requirements Excellent adhesion to multiple substrates High durability and hardness Chemical and stain resistance Environmental friendliness Fast drying enabling quick returnto service Interior/Exterior applicationsR&D Fo

3、cusDevelop a high performing product with:-Toughness Polycarbonate PUD-High resistance Self-crosslinking-Water resistance Low surfactant-Low VOC Multi-phase&moderate MFFT-Exterior durability Monomer choice&flexibilityAcrylic-polyurethane(APU)polymer propertiesSolids content%38-40Viscosity mPas20-200

4、pH-value8.0 9.0MFFT C28Polymer typeAcrylic-polycarbonatePUDVOC capability50 100 g/LCommercial BenchmarkingFull NamePrice/gallonVOC(g/L)Volume solidsResin TypeDry timeto topcoat/hrCommercial 1$6410033.20%Acrylic1Commercial 2$6610028.60%Modified acrylic copolymer3Commercial 3$3010034.00%Styrenated acr

5、ylic1Commercial 4$6787.640.00%Urethane acrylic4Commercial 5$8214840.50%Acrylic urethane1Commercial 6$34543.00%Acrylic1Commercial 7$515037.00%Acrylic1Commercial 8$305045.00%Acrylic1Commercial 95033.60%Urethane acrylic3Formulation100 gallon formulaWater180.51Dispersant6.66Defoamer1.12TiO2242.71Filler

6、pigment21.35New APU resin503.24Wetting agent4.43Water44.8Coalescent 113.9Coalescent 213.9Flash rust inhibitor5.71Associative thickener11.58Defoamer1.16Anti settling agent3.13Total1054.19PropertiesSpecific Gravity(SG)1.263Lb/Gal10.54%Weight Solids45.51%Volume Solids30.38PVC28.5%dispersant on Pigments