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1、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 mo
2、re than 20 years Berol 226 SA and Berol AMC-1 Berol226 Line High performing solvent-free degreaser 2Surface Chemistry Berol226 and BerolAMC-1 Surface Chemistry3 optimized surfactant blend for water based alkaline cleaners Can replace solvent cleaning Specially good cleaning of fat/oil and pigment on
3、 hard surfaces Degreasing in acid cleaners What is the secret behind AkzoNobel Powerful degreaser concept? Surface Chemistry4 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-su
4、rfactant 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 Dyna
5、mic 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 - D
6、iesel 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 - d
7、ifferent 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 cleanerBerol226 SA cleaner Surfactant0.40.9 Hydrotrope, SXS (40%)0.6Not required EDTA (40%)0.40.8 Ethylene glycol monobutyl ether, EB 1Not req
8、uired 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% Berol226 SA9% EB 5% EB $0.06 $0.13 $0.09 100 80 60 40 20 0 As is Soil removal (%) Berol226 SA shows slightly better performanc
9、e versus EB formulation Berol226 SA shows most cost efficient performance Cleaning performance versus cost An eye-opening result 12Surface Chemistry Cost Per Pound of Formulation 1% Berol226 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 (%) D
10、iluted 50% by water Berol226 SA out- performing EB formulation EB solutions dramatically lose performance when diluted Cleaning performance versus cost An eye-opening result 13 Berol226 SA cleaner achieves good cleaning at 1/15 the cost of EB cleaner! Surface Chemistry The eye opener: The 90:10 dilu
11、tion of Berol226 SA offers the same cleaning performance as the undiluted 5% EB Berol226 SA achieves good cleaning (over 80%) at 1/15 the cost of the EB cleaner! Cost Per Pound of Formulation 1% Berol226 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 50:5
12、0 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% Berol226 SA9% EB5% EB 16 Results for cleaners dilut
13、ed 50:50 with water Control Formulation 1% Berol226 SA9% EB5% EB 17 Results for cleaners diluted 90:10 with water Control Formulation 1% Berol226 SA9% EB5% EB Berol226 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
14、 slide compares the cleaning performance on greasy kitchen soil of a simple 1% Berol226 SA solvent-free formulation with two popular commercial all-purpose cleaners (APCs) Note how much more active material (surfactants and solvents) the commercial cleaners contain and yet the performance is inferio
15、r! Using Berol226 SA costs 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 APCs supplied in spray bottles Estimated Cost $0.11/lb Estimated Cost $0.105/lb Estimated Cost $0.025/lb
16、 Surface Chemistry What about baked-on kitchen soil? 20 Berol 226SA formulations compared with six commercial APCs 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 200C = very hard to remove! Tiles allowed to cool
