
强力去油表面活性剂 berol 226 sa.pdf
24页AkzoNobel Powerful Degreasing What is it? • synergistic surfactant blend – Exploits nonionic/cationic synergy for excellent degreasing performance at low use level – Optimized combination of narrow range ethoxylated with high performance cationic co-surfactants to boost the cleaning • A proven concept in more than 20 years •Berol 226 SA and Berol AMC-1 Berol®226 Line High performing solvent-free degreaser •2Surface Chemistry Berol®226 and Berol®AMC-1 •Surface Chemistry•3 •optimized surfactant blend for water based alkaline cleaners •Can replace solvent cleaning •Specially good cleaning of fat/oil and pigment on hard surfaces •Degreasing in acid cleaners What is the secret behind AkzoNobel Powerful degreaser concept? •Surface Chemistry•4 Co- Surfactants, Cleaning Booster O OHO HO OH O H dp N C2H5 CH2CH2COO CH2CH2COO - - Na+ H+ RN CH2CH2COO CH2CH2CH2 N CH2CH2COO CH2CH2COO - - - Na+ Na+ Na+ •1. The special Co-surfactant •2. •3. •4. •/gbk Experimental •Alkaline Cleaners •5% Nonionic surfactant •1-6% Co- surfactant •5 or 10%Na3NTA •Rest tap water • CMC • Cloud point • Foam • Cleaning tests • Surface tension • Dynamic surface tension • Interfacial tension • Dynamic interfacial tension • Contact angle Interfacial Tension - Triolein •Dynamic interfacial tension from drop-volume. Formulation with nonionic surfactant, hydrotrope and NTA. The dilution is 2,5% and at room temperature 0 1 2 3 4 5 6 05101520253035404550 Time (s) Interfacial tension (mN/m) 1 2 3 4 10,67 20,89 31,31 41,28 •Spinning-drop •dilution is 5% Interfacial Tension - Diesel 0 2 4 6 8 10 12 02468101214 Time (s) Interfacial tension (mN/m) 1 2 3 4 10,52 21,35 31,81 41,68 •Dynamic interfacial tension from drop-volume. Formulation with nonionic surfactant, hydrotrope and NTA. The dilution is 2,5% and at room temperature •Spinning-drop •dilution is 5% •/gbk One product - different solutions •Dilution 1:200 •Dilution 1:10 to 1:100 •Concentrate to dilution 1:50 •Concentrate to dilution 1:10 •10 Comparison Surface Chemistry Commercial cleanerBerol®226 SA cleaner Surfactant0.40.9 Hydrotrope, SXS (40%)0.6Not required EDTA (40%)0.40.8 Ethylene glycol monobutyl ether, EB 1Not required Typical dilution in use (water:cleaner) 1:14:1 or higher $, € Cleaning performance versus cost An ‘eye-opening’ result… •11Surface Chemistry Cost Per Pound of Formulation 1% Berol®226 SA9% EB 5% EB $0.06 $0.13 $0.09 100 80 60 40 20 0 As is Soil removal (%) •Berol®226 SA shows slightly better performance versus EB formulation • Berol®226 SA shows most cost efficient performance Cleaning performance versus cost An ‘eye-opening’ result… •12Surface Chemistry Cost Per Pound of Formulation 1% Berol®226 SA9% EB 5% EB $0.06 $0.13 $0.09 $0.045 $0.067 $0.029 100 80 60 40 20 0 50:50 DilutionAs is Soil removal (%) •Diluted 50% by water • Berol®226 SA out- performing EB formulation • EB solutions dramatically lose performance when diluted Cleaning performance versus cost An ‘eye-opening’ result… •13 Berol®226 SA cleaner achieves ‘good’ cleaning at 1/15 the cost of EB cleaner! Surface Chemistry The eye opener: • The 90:10 dilution of Berol®226 SA offers the same cleaning performance as the undiluted 5% EB •Berol®226 SA achieves ‘good’ cleaning (over 80%) at 1/15 the cost of the EB cleaner! Cost Per Pound of Formulation 1% Berol®226 SA9% EB 5% EB $0.06 $0.13 $0.09 $0.006 $0.013 $0.009 $0.045 $0.067 $0.029 100 80 60 40 20 0 50:50 DilutionAs is90:10 Dilution Soil removal (%) •/gbk •Black box test •Measure a clean plate •1 •Soil the plate •2 •Pour the cleaning formulation •3 •Rinse with tap water •4 •Measure after cleaning •5 •15 Results for cleaner tested “as is” Control Formulation 1% Berol®226 SA9% EB5% EB •16 Results for cleaners diluted 50:50 with water Control Formulation 1% Berol®226 SA9% EB5% EB •17 Results for cleaners diluted 90:10 with water Control Formulation 1% Berol®226 SA9% EB5% EB Berol®226 SA works on many types of soil •Not just train engine grease and mineral oil, but kitchen soils and other household dirt too •The next slide compares the cleaning performance on greasy kitchen soil of a simple 1% Berol®226 SA solvent-free formulation with two popular commercial all-purpose cleaners (APC’s) •Note how much more active material (surfactants and solvents) the commercial cleaners contain… •…and yet the performance is inferior! •Using Berol®226 SA costs ¼ as much and works better! •18Surface Chemistry Performance of all-purpose cleaners on kitchen soil based on lard and vegetable oils (dip test) •19 Commercial ready-to-use APC’s supplied in spray bottles Estimated Cost $0.11/lb Estimated Cost $0.105/lb Estimated Cost $0.025/lb Surface Chemistry What about baked-on kitchen soil? •20 •Berol 226®SA formulations compared with six commercial APC’s on tiles treated with heavy-duty kitchen soil •This time the soil contains lard, vegetable shortening, milk and flour (plus carbon black to make it easier to see) •Baked for 45 minutes @ 200°C = very hard to remove! •Tiles allowed to cool。












