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Dispex Ultra PX 4290Dispersing agent with a broaduse range and best results withinorganic and organic pigmentsLudwigshafen, 09. April 2020

Peter BeneTechnical SalesFormulation AdditivesEMEA region2

Agenda1. Introduction2. Performance highlights resin-free Pigment Concentrates3. Performance highlights Furniture & Flooring4. Performance highlights Printing & Packaging(e.g. ink-jet inks)5. Summary3

Our comprehensive portfolio enablessolutions for various rsWetting Agents &SurfaceModifiersFilm-formingAgentsLight Stabilizers& Anti-oxidantsBASF is the premiere provider of Performance & Formulation Additivesfor the paints and coatings tomotiveCoatingsFurniture &FlooringAdhesivesConstructionPrinting &PackagingComposites

Strong brands to empower your businessWater-based brandsApplicationSolvent-based* brandsDispex / Dispex UltraDISPERSING AGENTSEfka Foamaster / FoamStar DEFOAMERSEfka Rheovis (organic) / Attagel (clays)RHEOLOGY MODIFIERSEfka Hydropalat WETTING AGENTSEfka Loxanol FILM-FORMING AGENTSEfka Tinuvin / Lignostab LIGHT STABILIZIERSTinuvin / Chimassorb Irganox ANTIOXIDANTSIrganox / Irgafos / Irgastab *Efka includes also High Solids and 100% Solid Systems5

A typical challenge many standard dispersing agents only show peak performancewith a few pigments.Customers are increasingly looking for dispersing agents with abroad use range and best results with both inorganic andorganic pigments.6

a simple solutionDispex Ultra PX 4290 is a broad spectrum, high molecular weightdispersing agent for a broad range of both - organic and inorganic pigments in aqueous coating systems, printing inks and adhesives. with excellent pigment stabilizing characteristics and outstanding color strength and viscosity reductionThis allows higher pigment loadings while excellent flowcharacteristics are maintained.7

Dispex Ultra PX 4290New high molecular weight dispersing agent for organic and inorganic pigments in aqueous coating systems,printing inks and adhesives.Performance highlights:Application:Dispex Ultra PX 4290 is a dispersingagent for organic and inorganic pigmentsin aqueous systems.Due to the excellent stabilizingcharacteristics, outstanding color strengthand excellent viscosity reduction can beachieved.This allows also higher pigment loadingswhile excellent flow characteristics aremaintained.8Sustainabilityhighlights: Label-freeFood Contact ComplianceSuitable for a broad rangeof applications Designed to stabilize inorganic and organic pigments in aqueousformulations Improved color strength and transparency Improved gloss Anti-flooding behavior Excellent flocculation stability Solvent-freeCharacteristic Values:AppearanceClear, yellowish liquidSolventwaterDensity 1.06 g/cm3Active content 40%

Dispex Ultra PX 4290 offers excellent pigment stabilizingcharacteristics with inorganic and organic pigmentsKronos 2160Raven 5000Bayferrox 39202Monarch 1000Hansabrillant Yellow 2GX701Novoperm Yellow HR 70Colour Black FW 2000-1RatingHeliogen Green L 8730Hostaperm Yellow H3GRating:-2Novoperm Orange HL 70 NFHeliogen Blue L 6875 FBayferrox 130 MHostaperm Violet RL specialHostaperm Red Violet ER 02Hostaperm Pink EIrgazin Red L 3660 HD10Benchmark 1Viscosities of resin-freePigment Concentrates beforeand after storage (2w 50 C).Novoperm Red F3RK 70Dispex Ultra PX 4290before storageDispex Ultra PX 4290after storage2 – much better1 – better0 – equal to standard

and outstanding color strength and viscosity reductionKronos 2160Raven 5000Bayferrox 3920120Monarch 1000Hansabrillant Yellow 2GX70110100Colorblack FW 200Novoperm Yellow HR 7090Hostaperm Yellow H3GHeliogen Green L 873080relativecolor strength[%]Novoperm Orange HL 70 NFHeliogen Blue L 6875 FBayferrox 130 MHostaperm Violet RL specialHostaperm Red Violet ER 02Irgazin Red L 3660 HDHostaperm Pink ENovoperm Red F3RK 70Market standard[100%colorstrength]Benchmark1 [100%colorstrength]Dispex Ultra PX 4290 relative color strength [%]11Relative color strength ofresin-free PigmentConcentrates.2% Pigment Concentrate inRubbol BL Azura (wb white PU/Alkyd paint)

Storage stability of Pigment Concentrate based on PR 101(Bayferrox 130 M)After 2 weeks at 50 CBefore storage4.0004.00056103.000Viscosity in mPa.SViscosity in mPa.S3.0002.0001.00002.0001.0000Benchmark 1Benchmark 1Dispex Ultra PX 4290shear rate in 1/s1101001000 Dispex Ultra PX 4290 shows lower viscosity after 2 weeks at 50 C.12Dispex Ultra PX 4290shear rate in 1/s1101001000

Color strength and rub-out dE with paint based on PR 101(Bayferrox 130 M)11000,880Dispex Ultra PX 4290imparts higher colorstrength and improvedrub-out.0,60,22000BenchmarkDispex Ultra PX 42901*2% Pigment Concentrate inRubbol BL Azura (wb white PU/Alkyd paint)13in dE0,440Rub-outColor strengthRelative60

Storage stability of Pigment Concentrate based on PB 15:3(Heliogen Blue L 6875 F)After 2 weeks at 50 CBefore storage4.0004.0005,7903.000Viscosity in mPa.SViscosity in mPa.S3.0002.0001.0000Benchmark 1Dispex Ultra PX 4290shear rate in 1/s11010010002.0001.0000Benchmark 1shear rate in 1/s110 Dispex Ultra PX 4290 shows lower viscosity initially and after 2 weeks at 50 C.14Dispex Ultra PX 42901001000

Color strength and rub-out dE with paint based on PB 15:3(Heliogen Blue L 6875 spex Ultra PX 4290*2% Pigment Concentrate inRubbol BL Azura (wb white PU/Alkyd paint)15Dispex Ultra PX 4290 showscomparable color strengthand rub-out .Rub-outin dERelativeColor strength80

Rheological behavior in a wb white wood coatingbased on Joncryl 9500600050001 1/sViscosity [mPas]400010 1/s100 1/s3000400 1/s20001000 1/s10000Benchmark 1Dispex Ultra PX 4560 Dispex Ultra PX 4575 Dispex Ultra PX 4585 Dispex Ultra PX 4290Benchmark 3 Dispex Ultra PX 4290 shows comparable to better results in terms of rheology vs.most benchmarks.17Benchmark 4

Anti-settling behavior after storage in white wood coatingbased on Joncryl 95006*5 good (no settling)1 bad (strong settling)543210Benchmark 1Dispex Ultra PX 4560Dispex Ultra PX 4575Dispex Ultra PX 4585Dispex Ultra PX 4290Benchmark 3Benchmark 4 Dispex Ultra PX 4290 shows better results with regards to settling of TiO2 against benchmarks .In addition stain resistance was comparable vs. internal and external standards.18

Dispex Ultra PX 4290 offers excellent pigment stabilizingcharacteristics with inorganic and organic pigmentsDispex Ultra PX 4290Dispex Ultra PX 4575Dispex Ultra PX 4585Dispex Ultra FA 4437Overall rating Pigment Concentratewith Dispex Ultra PX 4290PY 74Heliogen Green D 8730Heliogen Blue D 7490Heliogen Blue D 7115 F543Paliotol Yellow D 0960Paliotol Yellow D 1080 JPaliotol Yellow D 1080 JRating:2PY 155Heliogen Blue D 70861Heliogen Blue S 73200Cinquasia Violett D 5800Cinquasia Magenta D 4550Cinquasia Magenta D 4500 JIrgazin Red L 3670 HDIrgazin Red D 3656 HD20Irgalite Orange D 2980Irgalite Rubin D 4280Cinquasia Red L 4100 HDCinquasia Magenta D 4570Irgazin Red L 3630Overall performance rating5; 4-5 – best4– acceptable 3-4 – not accptable.

Performance tests – Formulation based on PY 150(Paliotol Yellow D 1085 J)After 2 weeks at 50 C50504040302010viscosity to high0Dispex Ultra Dispex Ultra Dispex Ultra Dispex UltraPX 4290PX 4575PX 4585FA 4437Rheology in 1/s1 10 100 1000Viscosity in mPa.SViscosity in mPa.SBefore storage302010not applicable0Dispex Ultra Dispex Ultra Dispex Ultra Dispex UltraPX 4290PX 4575PX 4585FA 4437Rheology in 1/s1 10 100 1000 Dispex Ultra PX 4290 shows best viscosity even after storage. Anti-settling and particle sizewas also very good.21

Performance tests – Formulation based on PR 57:1(Irgalite Rubine D 4280)After 2 weeks at 50 CBefore storage1501502271251007550250n.a.Viscosity in mPa.SViscosity in mPa.S125343100755025Dispex UltraDispex Ultra PX Dispex Ultra PX Dispex Ultra PX Dispex UltraPX 4290429045754585FA 4437Rheology in 1/s*Strong increase of viscosity1101001000after storageStability is nOK0Dispex UltraPX 4575Dispex UltraPX 4585Rheology in 1/s1101001000 Dispex Ultra PX 4290 shows best viscosity even after storage in comparison to benchmarks.Anti-settling and particle size was also very good.22n.a.*Dispex UltraFA 4437

SummaryDispex Ultra PX 4290 Excellent pigment stabilizing characteristics with a broad range of organic pigments but alsofor inorganics like TiO2 Results in outstanding color strength and viscosity reduction, which allows higher pigment loadings whilst maintaining excellent flow characteristics which leads to an enhanced formulation flexibility New dispersant for water-based applications for a broad range of applications such as Printing and Packaging (ink-jet, but also resin-free and resin-based Flexo inks) Furniture and Flooring General Industrial Resin-free Pigment Concentrates for industrial applications24

Dr. Sascha OestreichHead of Technical Sales Formulation AdditivesPhone: 49 211 7940-9028Mobile: 49 173 5396101sascha.oestreich@basf.comPeter BeneTechnical Sales Formulation AdditivesPhone: 49 211 7940-5927Mobile: 49 173 5117438peter.bene@basf.comContactsAndrea SchampMarketing Formulation Additives EuropePhone: 49 211 7940-2605Mobile: 49 173 5936561andrea.schamp@basf.cominternet: http://www.basf.com/additivesemail: formulation-additives-europe@basf.com25

7 Dispex Ultra PX 4290 is a broad spectrum, high molecular weight dispersing agent for a broad range of both - organic and inorganic - pigments in aqueous coating systems, printing inks and adhesives. with excellent pigment stabilizing characteristics and outstanding color strength and viscosity reduction This allows higher pigment loadings while excellent flow