4 months ago

Dow surfactant


If you require... We

If you require... We recommend... Because... Substrate Wetting Alternative and Complementary and Compatible with Fluoro Surfactants (Nonionic) (Non-APE) Dynamic and Equilibrium Low Aqueous Surface Tension (Anionic) Equilibrium Low Aqueous Surface Tension (Nonionic) (Non-APE) Dynamic and Equilibrium Low Aqueous Surface Tension (Nonionic) (Non-APE) Biodegradeable Seed Oil Surfactants with Low Aquatic Toxicity Surfactants with Low Gel Range (Non-APE) Hydrophobic Wetting Surfactants; Oil-Soluble But Readily Water-Dispersible (Non-APE) Color Acceptance Enhancement (APE) Color Acceptance Enhancement (Non-APE) Freeze-Thaw Enhancement (APE ) ECOSURF SA-4 & SA-7 TERGITOL TMN-3 & TMN-6 (90%), TERGITOL 15-S-3, 15-S-5 & 15-S-7 DOWFAX 2A1, TRITON GR-5M & GR-7M TERGITOL TMN-6 (90%), TMN-10 (90%) & TMN-100X TERGITOL 15-S-7 ECOSURF SA-4, SA-7 & SA-9 TERGITOL TMN-3, TMN-6 (90%), TMN-10 (90%) & TMN-100X TERGITOL 15-S-3, 15-S-5 & 15-S-7 ECOSURF SA-4, SA-7 & SA-9 ECOSURF SA-7 & SA-9 TERGITOL TMN-6 (90%), TMN-10 (90%) & TMN-100X TERGITOL 15-S-7, 15-S-9 & 15-S-12 ECOSURF SA-4, SA-7 & SA-9 TERGITOL TMN-3 & TMN-5 TERGITOL 15-S-3 & 15-S-5 TRITON CA TRITON N-57 TRITON CF-10 (90%) & CF-10 ECOSURF SA-4, SA-7 & SA-9 TERGITOL 15-S-3 & 15-S-5 TERGITOL TMN-3 & TMN-5 TERGITOL MinFoam 1X & 2X TERGITOL 15-S-7 & 15-S-9 TRITON DF-16 TRITON CF-10 (90%) & CF-10 TRITON X-405 (70%) SAE 3-8 EO levels; Fast aqueous dissolution rates; Low dynamic and equilibrium aqueous surface tension; Use as blends with fluorocarbon surfactants for lower cost Disulfonate steric stabilizer DOSS wetting and rewetting; DOSS in various solvents SAE lowest equilibrium aqueous surface tension for any conventional ethoxylated nonionics SAE 7-11 EO levels give lowest dynamic aqueous surface tension for any conventional ethoxylated nonionics; 3-5 EO levels have low dynamic surface tension due to being readily water dispersible, which is difficult for low EO APE nonionics ECOSURF Surfactants are biodegradable per OECD 301 test and > 1mg / L aquatic toxicity; Excellent surfactants for pigment and substrate wetting or for color acceptance SAE 7-12 EO levels; Very low gel ranges; Unstable foam with fast foam collapse rates; Water soluble; Fast aqueous dissolution rates; SAE hydrophobic low 3-5 mole EO; Readily water dispersible; Contributes to emulsion polymer coalescing CA specialty hydrophobic low EO blend; N-57 hydrophobic 5 mole EO easily water dispersible; CF-10 low foam dual bulky hydrophobes SAE hydrophobic low EO levels; Readily water dispersible; MinFoam 1X / 2X low foam SAA; Pigment wetting and stabilization Contributes to freeze-thaw stability of water-based systems; likely mechanisms: CF-10 low foam, due to large / bulky dual hydrophobes; X-405, due to large EO levels, water hydration and steric stabilization Freeze-Thaw Enhancement (Non-APE) TERGITOL 15-S-20, 15-S-30 & 15-S-40 TERGITOL XJ, XD, XH TERGITOL TMN-10 TERGITOL 15-S-20, 15-S-30 and 15-S-40 enhance freeze-thaw stability due to large EO levels; water hydration and steric stabilization; TERGITOL X-Series enhances freeze-thaw stability due to large EO/PO levels. 6

Properties of Dow Surfactants Gel Range and Foam Profiles A comparison of gel ranges and foam profiles of SAE, NPE, OPE and PAE nonionic surfactant families. Secondary Alcohol Ethoxylates (SAE) TERGITOL 15-S Series O (C H 2 C H 2 O) X H TERGITOL TMN Series O (C H 2 C H 2 O) X H Aqueous Gel Range of Surfactants with HLB=13 Gel Range at 25ºC Ross-Miles Foam of Surfactants with HLB=13 at 25ºC, 0.1 wt. % aqueous surfactant 120 Initial 5 Minute SAE 100 Surfactant NPE OPE Foam Height, mm 80 60 40 PAE 20 0 10 20 30 40 50 60 70 80 90 100 Wt. % Surfactant 0 SAE NPE OPE PAE Surfactant • SAE have a very narrow gel range, giving them a very favorable advantage in aqueous formulations. • PAE and NPE have broader gel ranges. • SAE require a much shorter dissolution time. • Broader gel range is partly due to the lower hydrophobicity. • All families have a very similar initial form. • SAE have the advantage of a much less stable foam. • PAE, being the least hydrophobic, have a slower bubble film drainage. 7

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