ACRYSOL RM-725 Rheology Modifier No Solvent Added KU builder for PVA-VAE binders Powered by ACID SUPPRESSION Technology Trademark of The Dow Chemical Company ( Dow ) or an affiliated company of Dow Dow.com
A History of Innovation 1980s Dow introduces associative thickening. 1990s Dow launches solvent-free* ACRYSOL HEURs. 2000s Dow develops DESIGNED RHEOLOGY HASEs to replace HEC. 2010 Dow invents ACID SUPRESSION Technology for easy-pouring HEURS with no added surfactant. 2013 Dow launches new family of easypouring, highperformance HEURs with breakthrough sag/flow balance. 1980 1990 2000 2010 2013 Text *Manufactured without additional solvent or surfactant. 2
Focused Design of Rheology Modifiers ACID SUPRESSION Technology Low viscosity, high efficiency additives Flexibility in design High efficiency Excellent choice for low VOC paints Bridging the Gap between Intrinsic and Applied hiding Key is balanced flow and sag Smoother surface & better aesthetics Facilitating improved applied hiding 3
ACID SUPPRESSION Technology Market needs higher efficiency rheology modifiers for low VOCs paints Past approaches to lowering viscosity have drawbacks: 1. Water/solvent mixtures increase VOC 2. Surfactants increase VOC and potentially adversely affects paint properties 3. Other additives increase cost By addressing the root cause. Patented ACID SUPPRESSION Technology facilitates easy-pouring HEURs with no added solvent or surfactant. *Manufactured without additional solvent or surfactant. 4
ACID SUPRESSION HEUR Rheology Modifier Easy-pouring HEUR without added solvent or surfactant Standard HEUR O O N H N H O O ( CH 2 ) x CH 3 Amine Technology HEUR Tertiary Amine O O N H N H O O N Amine Functional HEUR in Water Base Acid = Amino Phobe Low ph in water charge repulsion inhibits phobe associations High ph in water phobes associate thickening activated 5
Balance of Flow and Sag Resistance A new functional family of ACRYSOL Rheology Modifiers spanning the binder space PVA and VAE Standard Acrylic High Performance Acrylic ACRYSOL RM-725 ACRYSOL RM-995 ACRYSOL RM-400 ACRYSOL RM-995 Efficient KU builder for PVA and VAE binder systems Broad range use in small to large particle size binders Exceptional viscosity stability upon colorant addition Excellent heat aged viscosity stability ACRYSOL RM-400 Good KU and ICI contribution Excellent choice for low RM demand/small particle binders Good flow-sag balance Viscosity stable upon tinting 6
PVA-VAE Formulation Space Market Needs High efficiency additives for zero VOC paint Improved hiding Surface aesthetics Reduced roller splatter Easy application Stable in the paint formulation ACRYSOL Patented ACID SCT-275 SUPPRESSION Rheology Modifier Technology is a premier facilitates product for this easy-pouring space but HEURs not for with VOC no free added formulations solvent or so surfactant. clearly an alternative is needed. 7
New Near Zero VOC Rheology Modifier ACRYSOL RM-725 Rheology Modifier Compatible with ACRYSOL High-Shear Rheology Modifiers KU builder for PVA/VAE binders Efficient KU builder, good ICI contribution No Drip sag resistance Excellent flow and leveling Facilitates excellent surface smoothness Solvent and APEO-free* Utility across other binders types including EVOQUE Pre-Composite Polymer Technology *Manufactured without additional solvent or surfactant. 8
ROVACE 9900 Pastel Base Emulsion 41% PVC and 38% Volume Solids; No Cellulosic thickener added ACRYSOL Rheology Modifier KU Viscosity Delta KU 24hrs Eq. ICI Viscosity Sag Resistance Leneta Leveling Conv. HEUR 100 +5 2.0 6 DRIP 10 SCT-275 106 +8 2.0 18 10 RM-725 108 +7 1.5 16 10 NSAT C 96 +3 1.4 8 DRIP 10 10.0 Viscosity Targets KU = 100-105 ICI = 1.3-1.5 Active Thickener lb/100 gallon 8.0 6.0 4.0 2.0 0.0 8.76 7.09 6.53 2.84 2.73 Conv. RM-8W HEUR SCT-275 RM-725 Coapur NSAT 975W C ACRYSOL RM-6000 KU active lb/100 gallon 9
Viscosity versus Shear Rate Comparison for Rheology Modifiers ROVACE 9900 Pastel Base Emulsion Viscosity [P] 1000 100 10 ACRYSOL Conv. HEUR RM-8W ACRYSOL SCT-275 Rheology Modifier ACRYSOL RM-725 Coapur NSAT C 975W 1 0.001 0.01 0.1 1 10 100 1000 10000 Shear Rate [s-1] 10
Performance Properties ROVACE 9900 Pastel Base Emulsion ACRYSOL Rheology Modifier Conv. HEUR SCT-275 RM-725 NSAT C Scrub Resistance 1827 2089* 1745 2901 Tinted Viscosity Loss @ 2oz per gallon E Sag Resistance Leneta Leveling -7 8 drips 10-9 12 9.5-7 12 drips 10-6 6drips 10 Delta E* rub-up 0.07 0.2 0.4 0.23 Scrub resistance = average cut thru number of scrub cycles *ACRYSOL SCT-275 Rheology Modifier contains butyl CARBITOL Solvent ** Paint had severe settling 11
ACRYSOL RM-725 Rheology Modifier Property Balance PVA Binder 0 = Poor 5= Excellent Scrub Resistance 5 4 3 Heat Aged Stability 2 1 Thickening efficiency Conv. HEUR 0 ACRYSOL SCT-275 NSAT C ACRYSOL RM-725 Color acceptance Sag/leveling balance 12
Thickening Efficiency vs. Volume Solids for ACRYSOL RM-725 and SCT-275 Rheology Modifiers 37% PVC ROVACE 9900 Emulsion Active lb/100 gallons 12.0 10.0 8.0 6.0 4.0 2.0 0.0 RM-6000 KU Builder 30% VS 34% VS 38% VS 42% VS 13
Vinnapas EF-8001 Pastel Base Dispersion 50% PVC and 32.5% Volume Solids ACRYSOL Rheology Modifier Eq. KU Viscosity Delta KU 24hrs Eq. ICI Viscosity Sag Resistance Leneta Leveling Conv. HEUR 107 5 1.8 6 DRIP 10 SCT-275 109 3 1.3 12 10 RM-725 105 0 1.4 10 10 9.0 Viscosity Targets KU = 100-105 ICI = 1.3-1.5 Active Thickener lb/100 gallon 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 7.94 6.65 5.37 0.85 Conv. Heur SCT-275 RM-725 KU active lb/100 gallon 14
Performance Properties Vinnapas EF-8001 Pastel Base Dispersion ACRYSOL Rheology Modifier Conv. HEUR RM-725 SCT-275 Scrub Resistance 649 632 931* Tinted Viscosity Loss @ 2oz per gallon E +3-4 -4 Sag Resistance Leneta Leveling Delta E* rub-up 6 drips 9 10 drips 10 10 9.5 0.57 0.45 0.2 Heat Aged Stability @ 4 wks 50 C 92** 0.9 94 0.6 94 0.8 Scrub resistance = average cut thru number of scrub cycles *ACRYSOL SCT-275 contains butyl CARBITOL Solvent ** significant pigment settling seen in aged paint sample 15
Vinnapas EF-8001 Pastel Base Dispersion 50% PVC and 32.5% Volume Solids 10000 ACRYSOL RM-725/RM-6000 RM-6000 Rheology Modifier ACRYSOL SCT-275/ RM-6000 1000 CELLOSIZE QP-4400 HEC/ACRYSOL RM-6000 Conv. HEUR/ RM-6000 Viscosity (p) 100 10 1 0.0001 0.001 0.01 0.1 1 10 100 1000 10000 Rate (s-1) 16
Improved Surface Smoothness Applied by Roller CELLOSIZE QP-4400 HEC ACRYSOL RM-725 Rheology Modifier Improvement in surface smoothness facilitates improvements in applied hiding Vinnapas EF-8001 Pastel Base Dispersion 50% PVC and 32.5% Volume Solids 550-600 ft 2 /gallon spread rate 17
Summary of PVA and VAE Binder Performance Rheology Modifier Conv. HEUR** ACRYSOL RM-725 ACRYSOL SCT- 275* Thickening Efficiency Sag/level balance Scrub Resistance Color Performance Heat Stability Average settling Excellent Excellent *ACRYSOL SCT-275 Rheology Modifier contains butyl CARBITOL Solvent ** Conv. HEUR can have improved sag/level balance if co-thickened with cellulosic rheology modifier 18
PVA and VAE Binder Review ACYRSOL RM-725 Rheology Modifier is recommended as a nearzero VOC alternative to ACRYSOL SCT-275 Exceptional thickening efficiency, similar to ACRYSOL SCT-725 Sag Resistance similar to ACRYSOL SCT-275, with loss of no drip sag in some paint systems upon tinting. Equal performance for color acceptance, heat aged stability and scrub resistance vs. ACRYSOL SCT-725 ACRYSOL RM-725 is our solvent-free* KU-builder recommendation for PVA and VAE binder space *Manufactured without additional solvent or surfactant. 19
RHOPLEX VSR-2015 Binder 30% PVC and 38% Volume Solids ACRYSOL Rheology Modifier KU Viscosity Delta KU 24hrs Eq. ICI Viscosity Sag Resist. Leneta Leveling Conv. HEUR 103 +4 1.2 6 DRIP 10 RM-725 103 +13 1.2 10 10 NSAT C 104 +8 1.2 8 DRIP 10 NSAT R 97 +12 1.4 12 10 Viscosity Targets KU = 100-105 ICI = 1.0-1.3 Active lb/100 gallon 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 3.26 3.88 2.30 4.77 1.72 5.31 1.65 4.18 0.0 NSAT R Conv. RM-8W HEUR NSAT C RM-725 RM-5000 KU active lb/100 gallon 20
ACRYSOL RM-725 Rheology Modifier Property Balance Acrylic Binder 0 = Poor 5= Excellent NSAT C NSAT R ACRYSOL RM-725 KU Efficiency 5 4 Visc Retention Tint 3 2 1 0 ICI Contribution Heat Aged Stability Sag/leveling balance Color acceptance 21
RHOPLEX VSR-2015 Binder 30% PVC and 38% Volume Solids 1000 ACRYSOL RM-725 NSAT Coapur C 975W NSAT Rheolate R CVS-10 Rheology Modifier Viscosity [P] 100 10 1 0.001 0.01 0.1 1 10 100 1000 10000 Shear Rate [s-1] 22
Comparison of Surface Smoothness of HEUR Applied by Roller ACRYSOL RM-725 Rheology Modifier Conv. HEUR Poor sag resistance = Curtaining RHOPLEX VSR-2015 Binder 30% PVC and 38% Volume Solids 450-500ft 2 /gallon spread rate with a nylon roller 23
Commercialization of ACRYSOL RM-725 Rheology Modifier Product is manufactured without use of solvent ACRYSOL ACID SUPPRESSION Technology Sample available upon request The following properties are typical but do not constitute specifications Property Typical Values Appearance Hazy liquid ph ~3.0 Solids, % 18.0 Active Polymer,% 15.0 Solvent Water Brookfield Viscosity, cp < 3500 Density, lb/gallon 8.65 24
Balanced Flow and Sag Resistance A new functional family of ACRYSOL Rheology Modifiers spanning the binder space PVA and VAE Standard Acrylic High Performance Acrylic ACRYSOL RM-725 ACRYSOL RM-725 Efficient KU builder for PVA and VAE binder systems Offers good ICI contribution Utility across all binders types Sole thickener capable ACRYSOL RM-995 ACRYSOL RM-995 Efficient KU builder for PVA and VAE binder systems Broad range use in small to large particle size binders Exceptional viscosity stability upon colorant addition Excellent heat aged viscosity stability ACRYSOL RM-400 ACRYSOL RM-400 Good KU and ICI contribution Excellent choice for low RM demand/small particle binders Viscosity stable upon tinting 25
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