Aliphatic Wood CoatingsBayer BMSOutlineAliphatic Wood CoatingMarket for new Wood CoatingSome chemistryNew FormulationsData and ResultsAliphatic Wood CoatingsMarketTraditional wood coatings are acid catalyzed,formaldehyde omittingEnvironmentally unfriendlyDesmophen 1300/ Desmodur HLContains HDI/TDI mixtureNot 100% light stableRequests for all aliphatic wood coating100% Light stableAliphatic Wood GoalsGive customers formulating options whenutilizing 2K solvent borne aliphatic woodcoatingsDevelop 100% light stable formulation atlower VOC than traditional recommendationGenerate data to support an E-blast for woodcoatingsTraditional Aliphatic WoodCoatingOld Formulation (control)-Desmophen A450and Desmodur N 75Traditional recommendationHigh VOCFast dry time with a long pot lifeWant more options for customersMatch or improve properties at a lower VOCPolyol & Aliphatic IsocyanatesPolyol- OH functionacrylicIsocyanate – HDI orHDI/IPDI basedAliphaticLight StableGloss retentionChemical resistance()nCH2CCH3CH2CHC COOOR OR'HDI vs IPDI IsocyanatesHDIHexamethyl diisocyanateExterior polyurethaneLight stablelow free monomercontentHigh functionality withlow viscosityExcellent resistance tochemicals, abrasion,weatheringIPDIIsophorone diisocyanateExterior polyurethaneLight stableLess reactive than HDIIncrease crosslinkingFaster physical drytimes, harder films andimprove glossOCNNCONCOCH3OCNCH3CH3Developing New Options foran Aliphatic CoatingPolyolDesmophen A HS 1060Fast drying acrylicDesmophen A HS 1272 BALow viscosity for higher solidsformulationsFast drying acrylic (not as fastas 1060)IsocyanateDesmodur NZ 1HDI/IPDI mixture100% solidsCommercially availableHigh ViscosityIsocyanatesDesmodur N 3200HDI Biuret100% solidsDesmodur N 3900HDI a-symmetric Trimer100% solidsLower viscosity for high solidsformulationsDesmodur Z 4470IPDI-trimer70% solidsFaster physical dry timesHigh viscosityDesmodur XP 2565IPDILower viscosity80% solidsNew FormulationsDesmophen A HS 1060 and DesmodurN3200/Z4470 (4.5 VOC target)Isocyanate mixture as follows100/090/1080/2070/30Also a formulation with Desmophen A HS1060 and Desmodur NZ1 was doneNew Formulations (2)Desmophen A HS 1272 BA and DesmodurN3900/Z4470 (3.5 VOC target)Isocyanate mixture as follows100/090/1080/2070/30Also a formulation with Desmophen A HS1272 BA and Desmodur NZ1 was doneNew Formulations (3)Desmophen A HS 1272 BA and DesmodurN3900/XP2565 (3.5 VOC target)Isocyanate mixture as follows90/1080/2070/30No 100/0 done because that was formulated in (2)Hard Dry TimeHard Dry Times01234567 C o n tro l 1060 10% 4470 2 0 % 4 4 7 0 30% 447 0 N Z 1 1 2 72 1 0 % 4 4 7 0 20% 447 0 30% 4470 1 0 % 2 565 2 0 5 2 5 6 5 30% 256 5 NZ1

Time (hours)Hard DryHard Dry Times00.10.20.30.40.50.6Control 1060 10%447020%447030%4470NZ1

Time (hours)1 dayHardnessHardness Development050100150200250 Control 10% 44 7 0 30% 4470 1272 20% 4470 10% 25 6 5 3 0 % 25 6 5

Hardness (seconds)1 day14 day•Higher VOCformulations develophardness muchfaster than lowerVOC formulationsPot LifePot Life01020304050600100200300400500Time elapsed (minutes)Further TestingAfter evaluation of the data from the array, fiveformulation plus the control were chosen to proceedto stain testingDesmophen A1060 and Desmodur 3200Desmophen A1060 and Desmodur 3200/4470(70/30)Desmophen A HS 1272 and Desmodur 3900Desmophen A HS 1272 and Desmodur 3900/4470(70/30)Desmophen A HS 1272 and Desmodur 3900/2565(70/30)Stain TestingTesting both KitchenCabinets and OfficeFurniture standardsClear and WhiteformulationsCtrl A D F I L A-W D-W F-W I-W L-WMustard (1hour) NE NE NE NE NE NE NE NE NE NE NEVinegar (24 hr) NE NE NE NE NE NE NE NE NE NE NELemon Juice (24 hr) NE NE NE NE NE NE NE NE NE NE NEOrange Juice (24 hr) NE NE NE NE NE NE NE NE NE NE NEGrape Juice (24 hr) NE NE NE NE NE NE NE NE NE NE NEKetchup (24 hr) NE NE NE NE NE NE NE NE NE NE NECoffee (24 hr) NE NE NE NE NE NE NE NE NE NE NEOlive Oil (24 hr) NE NE NE NE NE NE NE NE NE NE NEEthanol (24 hr) NE NE NE NE NE VL NE NE NE VL NEDetergent (24 hr) NE NE NE NE NE NE NE NE NE NE NETap Water (24 hr) NE NE NE NE NE NE NE NE NE NE NERed Wine (24 hr) NE NE NE NE NE NE NE NE NE NE NEBetadine (24 hr) NE NE NE NE NE NE NE NE NE NE NETap Water (16 hr) NE NE NE NE NE NE NE NE NE NE NECoffee (16 hr) NE NE NE NE NE NE NE NE NE NE NESODA (16 hr) NE NE NE NE NE NE NE NE NE NE NEGrape Juice (16 hr) NE NE NE NE NE NE NE NE NE NE NETomato Juice (16 hr) NE NE NE NE NE NE NE NE NE NE NEMustard (16 hr) NE VL NE NE NE NE L VL VL NE NELip Stick (16 hr) NE NE NE NE NE NE NE NE NE NE NEAcetic Acetate (16 hr) NE NE NE VL VL VL NE NE VL VL VLNail Polish Remover(16 hr) NE NE NE L NE NE NE NE L VL VLAcetone (16 hr) NE NE NE NE NE NE NE NE NE VL NE50% Ethanol in H2O(16 hr) NE NE NE NE NE NE NE NE NE NE NETotal Failures 0 1 0 2 1 2 1 1 3 3 2RecommendationsBased on customer needs,any of these resins could beviable recommendationsPigmentation of formulationchanges chemicalresistanceDesmophen A HS 1060gets to final hardness fasterthan Desmophen A HS1272 BADesmodur Z 4470 additionhas better chemicalresistanceHigher Desmodur Z 4470content causes fasterphysical dry which leads tohigher productivity