K公司基材润湿剂原理

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1、Wetting and Dispersing AdditivesWesel,2008,Max MustermannPigment DispersionFlocculationFlocculatedDispersionDeflocculated Primary ParticlesAgglomerate9/11/2023,Page 2,Wetting and Dispersing AdditivesDeflocculation-FlocculationRight:flocculatedLow glossPoor transparency/hidingHigh viscosityLeft:deflo

2、cculatedHigh glossGood transparency/hidingLow viscosity9/11/2023,Page 3,Wetting and Dispersing AdditivesDeflocculation-Flocculation9/11/2023,Page 4,Wetting and Dispersing AdditivesPigments in ComparisonNon-polarLargeSmallOrganic PigmentPolarPolaritySmallSpecific surface areaLargeParticle size Inorga

3、nic PigmentProperty9/11/2023,Page 5,Wetting and Dispersing AdditivesPigment PropertiesColor/shadeHiding powerTransparency.can be achieved through complete pigment deflocculation9/11/2023,Page 6,Wetting and Dispersing AdditivesColor Change due to FlocculationRedmore bluishBluemore greenish9/11/2023,P

4、age 7,Wetting and Dispersing AdditivesWetting and Dispersing Process2Dispersing1Wetting3Stabilization9/11/2023,Page 8,Wetting and Dispersing AdditivesPigment WettingPhthalocyanine blue pigment in water:No(very slow)wetting.With wetting additive:Immediate wetting.9/11/2023,Page 9,Wetting and Dispersi

5、ng AdditivesTiO2/Water+dispersing additive(BYK-154)Pigment Stabilizationflocculateddeflocculated9/11/2023,Page 10,Wetting and Dispersing AdditivesDispersing AdditivesElectrostatic stabilization9/11/2023,Page 11,Wetting and Dispersing AdditivesWetting and Dispersing AdditivesSteric stabilization9/11/

6、2023,Page 12,Wetting and Dispersing AdditivesPigment StabilizationCharge stabilizationEmulsionCharge/Steric stabilizationWater-reducibleSteric stabilizationSolvent-borneStabilization mechanismCoating system9/11/2023,Page 13,Wetting and Dispersing AdditivesFormation of Bnard CellsHorizontal pigment s

7、eparation:FloatingPigment separation due to differences in pigment mobilityPaint surfaceCrosssection9/11/2023,Page 14,Wetting and Dispersing AdditivesFormation of Bnard Cells9/11/2023,Page 15,Wetting and Dispersing AdditivesFormation of Bnard CellsResin solution with aluminum pigments9/11/2023,Page

8、16,Wetting and Dispersing AdditivesFlooding&FloatingVertical pigment separation:FloodingUniform color in surfaceColor changes in deeper layers9/11/2023,Page 17,Wetting and Dispersing AdditivesRub-up Test,Evaluation of Color DifferencesPigments not stabilizedPigments stabilizedRubbed areaArea not rub

9、bed9/11/2023,Page 18,Wetting and Dispersing AdditivesRub-up TestPhthalocyanine Blue +TiO2Ironoxide Red +TiO2no additivewith additiveno additivewith additive9/11/2023,Page 19,Wetting and Dispersing AdditivesWetting and Dispersing Additive Technologies at BYKCPTEstablished technologiesControlled polym

10、erization Fatty acid chemistry Phosphoric acid esters Polyurethanes Polyamino chemistry Polyacrylates PolyacrylatesStandard polymerization9/11/2023,Page 20,Wetting and Dispersing AdditivesWetting and Dispersing Additives:Existing ChemistriesFatty acid chemistryPolyesters,polyamine amides,Diels-Alder

11、 adducts,Phosphoric acid esters Polyester/polyether polymers,polyether polymers DeflocculatingControlledflocculating9/11/2023,Page 21,Wetting and Dispersing AdditivesWetting and Dispersing Additives:Existing ChemistriesPolyurethane chemistryPolyether urethanes,polyester urethanesVarious pigment affi

12、nic groups 9/11/2023,Page 22,Wetting and Dispersing AdditivesWetting and Dispersing Additives:Existing ChemistriesPolyamino chemistryPolyelectrolyte,Pancake structure“9/11/2023,Page 23,Wetting and Dispersing AdditivesWetting and Dispersing Additives:Existing Chemistries:PolyacrylatesSynthesized by F

13、ree Radical Polymerization(FRP)No positioning of functionalities/polarities in polymer chain No block copolymers or gradient polymers Very broad molecular weight distribution Only random copolymers(statistic monomer distribution)9/11/2023,Page 24,Wetting and Dispersing AdditivesControlled Polymeriza

14、tionBreakthrough in the design of new polymeric structuresCompletely new product properties with existing monomers(Meth)acrylates,styrenes,acrylonitriles,(meth)acrylamides Tailored polymer structures All solvents usable All functional groups are possible Full chain length control9/11/2023,Page 25,We

15、tting and Dispersing AdditivesControlled PolymerizationRandom copolymerGradient copolymer by CPTBlock copolymer by CPT9/11/2023,Page 26,Wetting and Dispersing AdditivesWetting and Dispersing AdditivesDeflocculatingControlledflocculating9/11/2023,Page 27,Wetting and Dispersing AdditivesClassification

16、23lower Molecular Weight higherlower Polarity higher19/11/2023,Page 28,Wetting and Dispersing Additives1:Lower Molecular Weight Additiveslower Molecular Weight higherlower Polarity higherBYK-P 104 SANTI-TERRA-203ANTI-TERRA-UDISPERBYK-130DeflocculatingControlled flocculatingSolvent-borne systemsANTI-

17、TERRA-204BYKUMENDISPERBYKBYK-220 SDISPERBYK-1089/11/2023,Page 29,Wetting and Dispersing AdditivesClassificationlower Molecular Weight higherlower Polarity higher132a9/11/2023,Page 30,Wetting and Dispersing AdditivesChanges in the Paint Industry Pigments from inorganic to organic legislation(chrome a

18、nd lead)optical reasons(brighter colors)Organic pigments are more difficult to deflocculate/stabilizePaint systems Higher solids,lower solvent contentMillbase viscosity(with organic pigments)often too highNew type of additive required9/11/2023,Page 31,Wetting and Dispersing AdditivesWetting and Disp

19、ersing AdditivesLower molecular weightHigher molecular weight9/11/2023,Page 32,Wetting and Dispersing Additives2a:Higher Molecular Weight Additiveslower Molecular Weight higherlower Polarity higherSolvent-borne systemsDeflocculatingDISPERBYK-161DISPERBYK-162/-168DISPERBYK-163/-167DISPERBYK-174DISPER

20、BYK-164DISPERBYK-166DISPERBYK-170DISPERBYK-2150DISPERBYK-182DISPERBYK-2163/-21649/11/2023,Page 33,Wetting and Dispersing AdditivesProduct CharacterizationDISPERBYK-163DISPERBYK-2163 DISPERBYK-167DISPERBYK-164 DISPERBYK-2164Solids content45%45%52%60%60%SolventsXyleneButyl acetatePMA3/1/1XyleneButyl a

21、cetatePMA 3/1/1Butyl acetatePMA1/2Butyl acetateButyl acetatePMA 2/3Amine Value(mg KOH/g)1010131814Molecular weight25.00025.00025.00020.00025.0009/11/2023,Page 34,Wetting and Dispersing AdditivesUsage of DISPERBYK-2163 and DISPERBYK-2164DISPERBYK-2163 as a direct offset to DISPERBYK-163 Same solids c

22、ontent Identical solvent compositionDISPERBYK-2164 as an offset for DISPERBYK-163 if customer Wants to change to HAPS-free system Decides to use higher solids wetting&dispersing additiveDISPERBYK-2164 as an offset for DISPERBYK-164 Same solids contentDISPERBYK-2164 as an offset for DISPERBYK-167 Hig

23、her solids(60%compared to 52%)9/11/2023,Page 35,Wetting and Dispersing AdditivesSet-up for Charge MeasurementPower Supply0-60 V DCGap:0,7-0,9 mmGlass plateCopper tape9/11/2023,Page 36,Wetting and Dispersing AdditivesPigment ChargePigment dispersion without wetting and dispersing additive flocculated

24、 negative charge9/11/2023,Page 37,Wetting and Dispersing AdditivesPigment ChargePigment dispersion with high molecular weight wetting and dispersing additive deflocculated positive charge9/11/2023,Page 38,Wetting and Dispersing AdditivesMixing Stabilized and Non-stabilized PaintsRed pigment:stabiliz

25、edWhite pigment:Not stabilizedFlocculationwhen mixed9/11/2023,Page 39,Wetting and Dispersing AdditivesBoth Paints Stabilized:No FlocculationRed pigment:stabilizedWhite pigment:stabilizedNo flocculationwhen mixed9/11/2023,Page 40,Wetting and Dispersing AdditivesPigment Concentrates:Additive Recommend

26、ationsHigh qualityindustrialGeneralindustrialWood andfurnitureArchitecturalGrinding resin:AcrylicAcrylic,AldehydeShort oil alkyd,Acrylic,PolyesterLong oil alkyd,Medium oil alkydRecommended additives:DISPERBYK-161DISPERBYK-2164DISPERBYK-182DISPERBYK-2150DISPERBYK-2164DISPERBYK-115 DISPERBYK-182/108DI

27、SPERBYK-2150DISPERBYK-145DISPERBYK-162DISPERBYK-174DISPERBYK-182/108DISPERBYK-2150DISPERBYK-108DISPERBYK-116DISPERBYK-21509/11/2023,Page 41,Wetting and Dispersing AdditivesClassificationlower Molecular Weight higherlower Polarity higher132b9/11/2023,Page 42,Wetting and Dispersing Additives2b:Higher

28、Molecular Weight AdditivesSolvent-borne systemsDISPERBYK-140DISPERBYK-116DISPERBYK-112DISPERBYK-145BYK-9076DISPERBYK-2050lower Molecular Weight higherlower Polarity higherDeflocculating9/11/2023,Page 43,Wetting and Dispersing AdditivesPigment Concentrates:No Grinding ResinLimiting factors in the pas

29、tPigment deflocculation and stabilizationStorage stabilityPigment shockDrying out of pigment concentrate9/11/2023,Page 44,Wetting and Dispersing AdditivesPigment Concentrates Without Grinding ResinStarting point formulationIrgalith blue GLNF(PB 15:4)63,0Dowanol PMA 7,0Di-basic Ester10,0DISPERBYK-205

30、020,0Phthalo blue pigment9/11/2023,Page 45,Wetting and Dispersing AdditivesClassification132clower Molecular Weight higherlower Polarity higher9/11/2023,Page 46,Wetting and Dispersing AdditivesControlled Polymerization TechnologiesControlled Radical PolymerizationControlled Ionic PolymerizationCPTCI

31、PCRPATRP NMP C-RAFT S-RAFT GTP9/11/2023,Page 47,Wetting and Dispersing AdditivesWetting and Dispersing Additives Through Controlled PolymerizationSystemSolid ContentSolventYear ofIntroductionDISPERBYK-2000Solvent-borne40%MPA/BG1999DISPERBYK-2001Solvent-borne46%MPA/BG/PM1999DISPERBYK-2020Solvent-born

32、e70%MPA2006DISPERBYK-2010Water-borne40%Water2006 DISPERBYK-2025Solvent-borne70%MPA 2007 DISPERBYK-2009Solvent-free44%MPA/BG2007MPA=MethoxypropylacetateBG =ButylglycolPM =Methoxypropanol9/11/2023,Page 48,Wetting and Dispersing Additives2c:Higher Molecular Weight AdditivesSolvent-borne systemsDISPERBY

33、K-2000DISPERBYK-2001DISPERBYK-2020lower Molecular Weight higherlower Polarity higherDeflocculatingDISPERBYK-20259/11/2023,Page 49,Wetting and Dispersing AdditivesControlled PolymerizationBinder-compatible chainPigment-affinic block Since 1999 available9/11/2023,Page 50,Wetting and Dispersing Additiv

34、esAdvantages of Controlled PolymerizationAlmost 100%reaction controlDefined molecular weightNarrow molecular weight distributionPerfect distribution of monomers in the chainAlmost no residual monomer contentExcellent reproducibilityMake perfect,tailor made additives!9/11/2023,Page 51,Wetting and Dis

35、persing AdditivesDISPERBYK-2000/DISPERBYK-2001:AdvantagesPigment flocculates when CAB is addedDISPERBYK-2000DISPERBYK-2001No flocculation with CAB9/11/2023,Page 52,Wetting and Dispersing AdditivesChemistry of BYK-SYNERGIST 2100PhthalobluechemistryAcidicgroupAcidicgroupAcidicgroupAcidicgroup9/11/2023

36、,Page 53,Wetting and Dispersing AdditivesProperties of BYK-SYNERGIST 2100/2105Enables wetting/dispersing additive to adsorb on lower polar surfaces Deflocculation/stabilization Lower(millbase)viscosity/less thixotropyProvides less haze/higher brilliancy in top coat formulations with various types of

37、 pigments9/11/2023,Page 54,Wetting and Dispersing AdditivesBYK-SYNERGIST Selection GuidePY 74/83PY 151/155PO 5/36/73PR 112/170/177/254BYK-SYNERGIST 2105PG 7/36PB 15:1/15:2/15:3/15:4/15:6PBl 7BYK-SYNERGIST 21009/11/2023,Page 55,Wetting and Dispersing AdditivesWorking Mechanism of BYK-SYNERGIST 21009/

38、11/2023,Page 56,Wetting and Dispersing AdditivesClassification123lower Molecular Weight higherlower Polarity higher9/11/2023,Page 57,Wetting and Dispersing Additives3:Higher Molecular Weight AdditivesAqueous systemsDISPERBYK-191DISPERBYK-184DISPERBYK-180DISPERBYK-192BYK-151BYK-154DISPERBYK-190DISPER

39、BYK-187DISPERBYK-2010DISPERBYK-194lower Molecular Weight higherlower Polarity higherDeflocculating9/11/2023,Page 58,Wetting and Dispersing Additives3:Higher Molecular Weight AdditivesAqueousBYK-151BYK-154DISPERBYK-187lower Molecular Weight higherlower Polarity higherDeflocculating9/11/2023,Page 59,W

40、etting and Dispersing AdditivesDispersing of PigmentsGrinding inEmulsions systemsWater9/11/2023,Page 60,Wetting and Dispersing AdditivesWater-Borne SystemsWetting and dispersing additives for emulsionsBYK-154Deflocculation and stabilization of polar pigments by electric chargesLow mill base viscosit

41、y,gloss,storage stability of the emulsion paintDISPERBYK-187 Wetting of non-polar pigments,slight steric stabilizationCombined usage of both additive types9/11/2023,Page 61,Wetting and Dispersing Additives3:Higher Molecular Weight AdditivesAqueous systemsDeflocculatingDISPERBYK-184lower Molecular We

42、ight higherlower Polarity higher9/11/2023,Page 62,Wetting and Dispersing AdditivesWetting and Dispersing AdditivesDISPERBYK-160 familyDISPERBYK-1849/11/2023,Page 63,Wetting and Dispersing AdditivesDispersing of PigmentsEmulsions systemsWaterGrinding inWater-soluble systems,HybridsResin solution9/11/

43、2023,Page 64,Wetting and Dispersing Additives3:Higher Molecular Weight AdditivesAqueous systemsDISPERBYK-191DISPERBYK-180DISPERBYK-192DISPERBYK-190DISPERBYK-2010DISPERBYK-194lower Molecular Weight higherlower Polarity higherDeflocculating9/11/2023,Page 65,Wetting and Dispersing AdditivesHydrophobic

44、structure:Pigment affinic group Improves hydrophobicityDISPERBYK-2010A Combination of Block and Comb StructureHydrophilic structure:Provides electrostatic repulsion Gives low millbase viscosityHydrophilic side chains:Adjust compatibility Provide steric hindrance9/11/2023,Page 66,Wetting and Dispersi

45、ng AdditivesPreparation of Pigment Concentrates Based on DISPERBYK-190 FamilyGrinding resin50,0 -DMEA,50%3,5 -Water20,546,5BYK-024 1,0 1,0DISPERBYK-190 -17,5Cromophthal red A2B25,035,0 100,0 100,0Resin grind“Slurry grind“9/11/2023,Page 67,Wetting and Dispersing AdditivesResin Grind versus“Slurry Gri

46、nd“PropertyGrinding resin“Slurry“Compatibility-+9/11/2023,Page 68,Wetting and Dispersing AdditivesResin Grind versus“Slurry Grind“PropertyGrinding resin“Slurry“Compatibility-+Pigment content/viscosity-+9/11/2023,Page 69,Wetting and Dispersing AdditivesPreparation of Pigment Concentrate+Grinding resi

47、nin butyl glycolCromophthal red A2B30%=Pigment concentrate9/11/2023,Page 70,Wetting and Dispersing AdditivesPreparation of Pigment Concentrate+Cromophthal red A2B30%=Pigment concentrateGrinding resinin water/BG9/11/2023,Page 71,Wetting and Dispersing AdditivesPreparation of Pigment Concentrate+Water

48、/DISPERBYK-19020%additive s.o.p.Cromophthal red A2B30%=Pigment concentrate9/11/2023,Page 72,Wetting and Dispersing AdditivesResin Grind versus“Slurry Grind“PropertyGrinding resin“Slurry“Compatibility-+Pigment content/viscosity-+Foam stabilization-+9/11/2023,Page 73,Wetting and Dispersing AdditivesFo

49、am StabilizationGrinding resinDISPERBYK-190“Slurry“9/11/2023,Page 74,Wetting and Dispersing AdditivesResin Grind versus“Slurry Grind“PropertyGrinding resin“Slurry“Compatibility-+Pigment content/viscosity-+Foam stabilization-+Deflocculation/stabilizationO+9/11/2023,Page 75,Wetting and Dispersing Addi

50、tivesResin Grind versus“Slurry Grind“Deflocculation/stabilization under microscopeCromophthal red A2BGrinding resinDISPERBYK-190“Slurry“9/11/2023,Page 76,Wetting and Dispersing AdditivesResin Grind versus“Slurry Grind“Deflocculation/stabilization:comparison of draw downsHeliogen blue L 7101FGrinding

51、 resinDISPERBYK-190“Slurry“9/11/2023,Page 77,Wetting and Dispersing AdditivesResin Grind versus“Slurry Grind“PropertyGrinding resin“Slurry“Compatibility-+Pigment content/viscosity-+Foam stabilization-+Deflocculation/stabilizationO+Storage stabilityO+9/11/2023,Page 78,Wetting and Dispersing Additives

52、“Slurries“:Starting Point FormulationsHostaperm red violet ER 0230%DISPERBYK-190(s.o.p.)Novoperm red F3RK70 25%DISPERBYK-190(s.o.p.)Irgazin DPP red BO 30%DISPERBYK-190(s.o.p.)Water40,025,940,0BYK-0111,01,01,0DISPERBYK-19022,525,022,5Pigment30,040,030,0DissolverWater6,58,16,5Dispermat SL100,0100,0100

53、,09/11/2023,Page 79,Wetting and Dispersing AdditivesWetting and Dispersing Additive Selection Water soluble alkyd Alkyd emulsion Hybrid systems Polyurethane emulsion Acrylic emulsion Emulsion paint PVC 25-80%Plaster Silicate paint 2 pack PU 2 pack Epoxy DISPERBYK-190DISPERBYK-191DISPERBYK-192 DISPER

54、BYK194+DISPERBYK-180 Highly recommendedRecommended9/11/2023,Page 80,Wetting and Dispersing AdditivesHandling of“Slurries“Adjust pH(after the grind!)to pH of resin Incorporation of raw materials always under stirrer If seeds/gelation occurs predilute with waterPigment concentrate and/orLetdown Post a

55、ddition of 1%DISPERBYK-192 in letdown =improved compatibility 9/11/2023,Page 81,Wetting and Dispersing AdditivesEffect PigmentsCopper Mica in Water Control5%DISPERBYK-1929/11/2023,Page 82,Wetting and Dispersing AdditivesEffect PigmentsAlucolor 4503 in water/butylglycol 1:1Control5%DISPERBYK-1929/11/

56、2023,Page 83,Wetting and Dispersing AdditivesEffect pigmentButyl-glycolWaterWetting and dispersing additiveFlip/Flop*RemarksEffect Pigments*+=excellent;o=moderate;-=not acceptablexxx+High amount of co-solventx-x-Seeds when resin is addedx-xxONo co-solventxx-OHigh amount of co-solventxxxx+Up to 80%co

57、-solvent reduction9/11/2023,Page 84,Wetting and Dispersing AdditivesAluminum Pigments:Additive SelectionInorganic treatmentAdditive(solids on pigment)Chromate(i.e.Hydrolux types)2%DISPERBYK-192/3%BYK-345Silicate(i.e.Hydrolan types)5%DISPERBYK-180 Organic treatmentPhosphoro organic substances(i.e.Hyd

58、roxal types)5%DISPERBYK-1929/11/2023,Page 85,Wetting and Dispersing AdditivesAluminum Pigments:Starting Point FormulationsHydrolan 8154n.l(60%)45,0 -Hydroxal W 80n.l.(65%)-45,0 -Hydrolux 8154n.l(60%)-42,0DISPERBYK-180 1,4 -DISPERBYK-192 -1,5 0,5BYK-345 -0,7Deionized water26,326,227,9Butylglycol26,82

59、6,828,4BYK-420 0,5 0,5 0,5 100,0 100,0 100,09/11/2023,Page 86,Wetting and Dispersing AdditivesPearlescent Pigments:Additive Selection 5%DISPERBYK-1925%DISPERBYK-1905%DISPERBYK-180Addition of co-solvent not required 9/11/2023,Page 87,Wetting and Dispersing AdditivesPearlescent Pigments:Starting Point

60、 Formulations Deionized water63,847,8Iriodin 9504 red WRII34,0 -Mearlin Super blue 639 Z -46,0DISPERBYK-192 1,7 DISPERBYK-190 -5,7BYK-420 0,5 0,5 100,0 100,09/11/2023,Page 88,Wetting and Dispersing AdditivesWetting and Dispersing:Summary Wetting and dispersing additives for all purposes Solvent-born

61、e and aqueous systems,with or without grinding resin From wallpaints to automotive topcoats Contact us,we will help you to get started.9/11/2023,Page 89,Wetting and Dispersing AdditivesANTI-TERRA,ATEPAS,BYK,BYK-DYNWET,BYK-SILCLEAN,BYKANOL,BYKETOL,BYKOPLAST,BYKUMEN,DISPERBYK,DISPERPLAST,ISAROL,LACTIM

62、ON,NANOBYK,SILBYK and VISCOBYK are registered trademarks of BYK-Chemie.AQUACER,AQUAMAT,AQUATIX,CERACOL,CERAFAK,CERAFLOUR,CERAMAT,CERATIX and MINERPOL are registered trademarks of BYK-Cera.LICOMER is a registered trademark of Clariant.This information is given to the best of our knowledge.Because of

63、the multitude of formulations,production,and application conditions,all the above-mentioned statements have to be adjusted to the circumstances of the processor.No liabilities,including those for patent rights,can be derived from this fact for individual cases.9/11/2023,Page 90,Wetting and Dispersing Additives