TAMOL 2011 Dispersant A New, HighPerformance Hydrophobic Dispersant June 2013 Dow Coating Materials Spring House, PA 19438
Pigment Grinding The mechanical breakup and separation (deagglomeration) of the pigment clusters to isolated primary particles. Grinding Agglomerates
Stabilization of Separated Particles Role of TAMOL Dispersants is to keep particles separated over time.
Coulombic Stabilization Pigment Charged particles repel each other to prevent reaggregation Pigment Requires ph>7.5
TAMOL Dispersants Copolymers Hydrophobic TAMOL 731A TAMOL 165A TAMOL 681 TAMOL 2002 Dispersants Polyacids Hydrophilic TAMOL 2011
TAMOL Dispersant Benefits PolyAcid TAMOL 731A TAMOL 681 TAMOL 2011 Low/No VOC capable Easy to Use Gloss Potential Water Resistance Stain Resistance ZnO tolerant
TAMOL 2011 Dispersant Highlights Userfriendly APEOfree* and solventfree* 27.5% solids Viscosity 1000 cp Maximizes gloss potential Excellent water resistance Compatible with ZnO Boosts hydrophobic stain resistance * Manufactured without added solvents or APEO surfactants
Comparison of Hydrophobic Copolymer TAMOL Dispersants TAMOL 681 TAMOL 2002 TAMOL 2011 Solventfree* No Yes Yes Solids, % 35.0 42.0 27.5 Viscosity, cp 8000 100 1000 ph 910 34 910 Neutralizing Salt NH 4 none K Performance Properties Maximize gloss potential Excellent water resistance Improves hydrophobic stain resistance Good stability with ZnO Typical properties, not to be construed as specifications * Manufactured without added solvents
Tint Strength TAMOL 2011 High Tint Strength 100% Tint Strength 80% 60% 40% 20% 0% TAMOL 2011 TAMOL 2002 TAMOL 681 TAMOL 731A TAMOL 945 Dispersant at 0.5% No compromise in tint strength or hiding Semigloss with RHOPLEX VSR2015 Emulsion, 22PVC / 36 VS
Tint Strength Tint Strength and Use Level 100% Tint Strength vs. Use Level 80% 60% 40% 20% 0% 0.25% 0.50% 1% 2% TAMOL 2011 Dispersant Level No loss of tint strength at higher use levels Semigloss with RHOPLEX VSR2015 Emulsion, 22PVC / 36 VS
20 Gloss Boosts Gloss 56 54 52 50 48 46 44 42 40 20 Gloss 0.30% 0.75% 2% TAMOL 2011 Dispersant Level Higher use levels offer better gloss High Gloss with RHOPLEX HG706 Emulsion, 19PVC / 34 VS
Stain Removal Excellent Hydrophobic Stain Resistance 95 85 Hydrophobic Hydrophilic 75 65 55 45 35 0.30% 0.75% 2% TAMOL 2011 Dispersant Level Higher use levels offer better performance High Gloss with RHOPLEX HG706 Emulsion, 19PVC / 34 VS
TAMOL 2011 Dispersant Provides Comparable Paint Performance Dispersant TAMOL 2002 TAMOL 2011 TAMOL 681 Dispersant Dry active 3.54 3.54 3.54 Equilibrated, 25C. ph 9.3 9.3 9.3 KU 107 108 112 ICI 1.10 1.15 1.20 Brookfield, 25C. 12 RPM 15247 14647 17496 60 RPM 5469 5339 6279 Heat Aging, 60 C, 4 oz. plastic Initial KU/ICI 111/1.1 113/1.15 118/1.2 2 day KU 113 114 117 10 day KU/ICI/pH 115/1.05/9.5 117/1.1/9.6 119/1.15/9.5 Δ KU/ICI 4/0.05 4/0.05 1/0.05 Contrast Ratio 1.5 mil bird Y reflectance, white (avg of 6) 91.115 91.197 91.178 Y reflectance, black (avg of 6) 86.005 86.110 86.052 CR 0.9439 0.9442 0.9438 60/85 gloss, 7 days 79/94 79/95 80/95 High Gloss formulation, with RHOPLEX HG706 Emulsion, 26 PVC/36 VS ACRYSOL SCT275 and RM2020 NPR Rheology Modifiers
TAMOL 2011 Dispersant Examples Exterior formulations TAMOL 2011 offers excellent water resistance and ZnO stability Improved Stain resistance projects TAMOL 2011 can boost resistance to hydrophobic stains Formulations currently using TAMOL 681 Dispersant TAMOL 2011 offers: Same performance Low/No VOC capability No ammonia odor Easier handling Low viscosity
TAMOL 2011 Dispersant New Hydrophobic copolymer Low odor K neutralized APEOfree*, solventfree* 27.5% solids Excellent Tint Strength Maximizes gloss potential Excellent water resistance Boosts hydrophobic stain resistance Well suited for: Highgloss and semigloss formulations excellent gloss Interior hydrophobic stain resistance Exterior ZnO tolerance * Manufactured without added solvents or APEO surfactants
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