3178 years History Production of oils (linseed and castor) Alberdingk Boley178 years HistoryProduction of oils (linseed and castor)Start with WB binders:Acrylic dispersionsPolyurethane dispersionsProduction of adhesivesAlberdingk Boley Inc., NC, USAProduction in Greensborough, USAAlberdingk Boley in China
4Contents Company introduction Alberdingk BoleyContentsCompany introductionBinder types, characteristics, film formationApplication field plastic coatingsRequired propertiesProduct recommendation
5Nature of AB dispersions What are really this binders?? Alberdingk BoleyNature of AB dispersions What are really this binders??Waterabased dispersion?Waterbased emulsions?Latexes?Solutions in water?Small solid polimer particles dispersed in water = DISPERSIONSm.w.>100000Dilutable with water in liquid faseNon soluble in water as a dried film
6Optical appearance of the dispersion Alberdingk BoleyOptical appearance of the dispersionParticle size:> 1µm:milky white1µm – 0,1µmbrownish white appearance0,1µm - 0,05 µmsemi-transparent< 0,05 µmalmost transparentAcrylicPUDPUD
7Film forming mechanism Alberdingk BoleyFilm forming mechanismAqueous polymer dispersion (Solid Content: 30-60%)Arrangement of particles, close contactDeformation of the polymer particlesSurfaces of polymer particles are disappearing: polymer chains intermixPolymer interdiffusion, leading to a mechanical stable polymer filmStage I Evaporation of waterStage II Particle deformation, T > MFFTStage III CoalescenceStage IV Interdiffusion of polymer chains
8MFFT reduction with different coalescing agents for AS 2615 Alberdingk BoleyMFFT reduction with different coalescing agents for AS 2615MFFT °CCosolvent %
9Curing mechanisms of w/b coatings Alberdingk BoleyCuring mechanisms of w/b coatings1-Component (drying only)optional: self cross-linking binders2-Component cross-linkingUV cross-linkingDual curing (UV and isocyanate)
10Alberdingk binder for plastic coatings Alberdingk BoleyAlberdingk binder for plastic coatings1KStyrene Acrylics:AS 2615; AS 2606,AS 26090Pure Acrylic:AC 2508AC-PU hybridsAPU 10610APU 10351Polyurethane:U 610, U 5200, U 32512 KOH-fuctional acrylics:AC 2598; AC 2597AC-PU hybrids:APU 10610; APU 10120;APU 10351Polyurethane:U 610, U 5200, U 3251 for flexible substratesU 9160; U 9800 for hard substrates
11Application fields Hifi , TV-Sets , Mobile phones, Computers, etc. Alberdingk BoleyApplication fieldsHifi , TV-Sets , Mobile phones,Computers, etc.Car interior : different plasticparts, softfeel and non-softfeelCar exterior:BasecoatsWheel cover
12Requirements Very good adhesion Alu-pigment orientation Alberdingk BoleyRequirementsVery good adhesionAlu-pigment orientationAlcohol- und fat resistanceScratch resistanceSubstrates : ABS , PS ABS-PC, PC
13Mobile phones Recommended products: Styrene-Acrylic dispersions:AS 2615, AS 2606good chemical resistance, hardnessPolyurethane dispersions:U 9160 or U 9800 as 2K systems for excellent chemical resistance and hardness
14Computer-, TV, HIFI cases Product recommendation Alberdingk BoleyComputer-, TV, HIFI cases Product recommendationStyrene-Acrylics:AS 2615; AS 2606, basecoat, monolayerOH-functional acrylics:AC 2598; AS 2799 as 2K-PUPU binder:U 9160, U9800 as 2K-PU
15Finish possibilities 1K paints and lacquers Alberdingk BoleyFinish possibilities1K paints and lacquersAS 2606, AS 2615 as basecoat or multilayerGood chemical resistance, hardness2K paints and lacquersU 9800, U9160, PU binder as base- and topcoats, excellent chemical resistance, hardnessAC 2598, AS 2799, AC binders as base-and topcoats, very good chemical resistance,excellent hardness
16Aluminium pigmented formulation based on AS 2615, AS 2606 Alberdingk BoleyAluminium pigmented formulation based on AS 2615, AS 2606Paint components:BinderCosolventsWaterDefoamerAlu pigmentSubstrate wetting additiveRheological additivesRecommended parameters:Solid content:Basecoats: 15-25%Monolayer: 25-35%Chromeffect: 5-10%Cosolvents:AS types: ca. 20% cosolvent on total formulationAlu-Pigment:Alu pigment concentrate!
17Type of Aluminium Pigments (Shape) Alberdingk BoleyType of Aluminium Pigments (Shape)Stronger light scattering, more edgesLess metalic effect, more gray colour,Corneflakes, smaller particle size, wide particle size distributionCornflakeStronger light reflexion, more brilliant colourSilverdollar, rounder shapesNarrow particle size distributionSilverdollar
18Type of Alu Pigments (Surface treatment) Alberdingk BoleyType of Alu Pigments(Surface treatment)Possible surface treatments :Phosphororganic, pigment preparation only with water, excellent binder compatibilityWater + Solvent: Pigment preparation+ BG and PMfair good gasing stabiliyChromate , excellent continuous gasing stability, condens water stability, intercoat adhesionAnorganic SiO2-Treatment, Sol-Gel Process, higher whiteness, v.good orientation, shearing stress and excellent gasing stability,intercoat adhesion, circular pipe line stability
19Alberdingk BoleyPigment orientationGood pigment orientationHigh gloss, brillianceHigh hiding powerBad pigment orientation"Salt-and-Pepper” EffektRecommended rheological additives for good pigment orientation:Acrylic thickener: Viscalex HV 30(Ciba), Latekol D (Basf)Antisettling additives: Byk-420 (Byk), Disperlon Q-607, etc.
20Alu Pigment preparation Alberdingk BoleyAlu Pigment preparationPremix Aluminium Pigment concentrate with:Water/BG(1:1) + AdditivePossible Additives:Dis-190 for organic traeted-Dis-180 or TegoWet 655 for inorganic treated pigmentsDosage: 5-8% on Alu-Solid contentImportant to avoid high shearforcess!
21Car interior coatings Substrates mainly: PA 6 , ABS-PC, PP Alberdingk BoleyCar interior coatingsSubstrates mainly:PA 6 , ABS-PC, PPRequirements :Very good adhesionScratch resistanceAlcohol and Fat resistanceFeel between velvet and rubber for softfeel coatings
22Car interior coatings Product recommendation Softfeel: Alberdingk BoleyCar interior coatingsProduct recommendationSoftfeel:Polyurethane dispersions :U 610 , U 2101 ,CUR 21Acrylic dispersions: AC 2592, AC 2597and their combinations!Hard plastic:Acrylic dispersion: AS 26090!!NEW!Bodi
23Car interior coating; Softfeel paints Alberdingk BoleyCar interior coating; Softfeel paintsFor good chemical and mechanical resistance softeel paints should be 2K systems!Recommended Hardeners:Hydrophylic Isocyanates :Bayhydur 2306; Bayhydur 3100Bayhydur 2336Basonat HW 100; Basonat HW 180PCRhodocoat WT 2102, Rhodocoat 803
25Car outside/ Basecoats Alberdingk BoleyCar outside/ BasecoatsProduct recommendation:Polyurethane dispersions :U 3251 , U 610 ( 1 and 2 K systems)Polyurethane-Acrylic dispersion :APU (1 and 2 K systems)For 2K systems crosslinking with hydrophilic isocyanatesBodi
262-Komponent wb lacquer 1-K: OH functional acrylics Alberdingk Boley2-Komponent wb lacquer1-K:OH functional acrylicsCrosslinkable groups containing PU binders2-K:Hydrophilic, aliphatic isocyanatesCommercial Types from BASF, Bayer, RhodiaSilanesCarbodiimides
272-Component w/b lacquer Alberdingk Boley2-Component w/b lacquerBenefit of crosslinking:similar to s/b systems:improved chemical propertiesbetter adhesionincreased abrasion resistanceDisadvantage :short pot lifelimited storageneeds more attention
28PVC- Window frames Requirements: Excellent adhesion Water resistance Alberdingk BoleyRequirements:Excellent adhesionWater resistanceVery good blocking resistanceGood pigment wetting
29PVC- Window frames Product recommendation : Alberdingk BoleyProduct recommendation :PU- AC dispersion : APU 10610Combination with AC 2508 for blocking resistance improvement possible
30Adhesion on difficult substrates Alberdingk BoleyAdhesion on difficult substrates
31Adhesion on difficult substrates Alberdingk BoleyAdhesion on difficult substratesPossibilities to work with adhesion promoters:Use adhesion promoters as a separat primerAdd adhesion promoters directly to the primer as a paint component – more convenient-e.g. in formulations based on AS we can add: 10-20% CPO 347W(Eastmann)
32Targets for the future Low solvent containing and solvent free binders Alberdingk BoleyTargets for the futureLow solvent containing and solvent free bindersGenerally lowering of VOCChemical resistance improvementIncreasing of adhesion and scratch resistanceEasy to formulate binders
33Thank you for your attention Alberdingk BoleyThank you for your attentionThink Alberdingk !