用于木地板饰面的 2K 生物基粘合剂.pdf

1、Renewable Multipurpose PolyurethaneCoatingsAlberdingk Boley Inc.David Folkman and Dr Terri CarsonResearch on Renewable PUDsVegetable oilsSoybeancastorlinseedBiosuccinic acidIsosorbideChitosanLignin(Remya,V.R.et al.,“Biobased Materials for Polyurethane Dispersions”,Chemistry)International 2(3),2016Re

2、newable PUDsSolids%ViscositymPasMFFTCRenewablecontent%on solidsLO-1100500-1500n/aapprox.88LO 234-3620-200approx.21approx.32U-134-3620 200approx.0approx.21AC-142-46500-4000approx.4approx.44Linseed oil based PUDs Non-PU containing finishes like Danish oil have longbeen used in the DIY market to enhanc

3、e the woodappearance.These type of finishes bring out the natural beauty ofwood but do not offer much surface protection.A 100%solids PU has been developed andformulated to offer an upgrade to traditional oilproducts.An evaluation has been conducted benchmarking thisproduct against competitor commer

4、cial products.Starting Point FormulaPos.Raw Materialweight1LO-374.42Refined linseed oil18.63Wax5.04Metal Drier2.0Total100.017Color DevelopmentLO-1Commercial ControlLO-1 can be emulsified foreasier applicationThe emulsion can becrosslinked with IsocyanateEasier cleanup with soap andwaterAdditional te

5、stingTest ProceduresLO-2CommercialControl 1Coefficient of Friction0.540.51Stain ResistancePassPassScrape Adhesion(5kg)PassPassScratch Resistance(%Gloss loss)29.822.1FormulasIngredientsCompetitorResinU 8500U-178.80Defoamer1.20Flow Additive0.80Water18.90Rheology Modifier0.30Water Dispersible NCO10.00C

6、ompetitor Resin100Competitor crosslinker10Total110110%solids(mixed)VOC(g/L)U-134.8737.3Competitorresin32155U-1 combined with an inherently dull PUDoffers an unseeable finish with:Ultra low gloss(20/60/85):0.3/3.5/18.0Can be used with any sealer or self-sealingSuitable for residen