用于木地板和家具应用的新型高性能水性油改性聚氨酯

Novel High Performance WaterborneOil-modified Urethane for WoodFlooring and Furniture ApplicationsPengxu Qi, Ph.D.Group Leader, R&D Application TestingPolynt Composites USA Inc.Email: pengxu.qi@polynt.comA Glance at the Polynt Group2Benefit of Urethanes3Structural ElementChemicalWeatheringFlexibilityHardnessAbrasionHeatWaterAliphatic hydrocarbon chainsGoodExcellentGoodGoodGoodGoodV. GoodAromatic hydrocarbon chainsExcellentPoorFairExcellentExcellentV. GoodExcellentAlkoxygroupsFairGoodExcellentPoorGoodPoorPoorEster linkagesPoorGoodExcellentFairGoodPoorGoodUrea linkagesGoodPoorPoorExcellentFairGoodGoodUrethane linkagesGoodGoodGoodGoodExcellentGoodGoodAllophanate groupsFairExcellentFairGoodGoodFairGoodAmide linkagesFairPoorGoodGoodGoodFairFairLinearityGoodV. GoodExcellentFairFairPoorDependsLow molecular weightPoorPoorFairFairGoodPoorPoorHigh molecular weightGoodGoodGoodGoodGoodFairV. GoodHigh crosslink densityExcellentFairPoorExcellentV. GoodV. GoodGoodToughness●Soft but not tacky●Hard bu