08.02.13
Phase A | |
Deionized water | 79.15 |
Protachem Na2 (Protameen) (Disodium EDTA) | 0.05 |
Carbopopl Ultrez 30 (Lubrizol) (Carbomer) | 0.80 |
Phase B | |
Glycerin, 99.7% USP | 2.00 |
Glucam E-20 Lubrizol (Methyl gluceth-20) | 1.00 |
Keltrol CG (CP Kelco) (Xanthan gum) | 0.25 |
Phase C | |
Sodium hydroxide (18% sol.) | 1.75 |
Phase D | |
Butylene glycol | 6.00 |
Ethyl alcohol | 2.00 |
Salicylic acid | 1.00 |
Phase E | |
Cremophor CO-40 (BASF) (PEG-40 hydrogenated castor oil) | 0.25 |
Schercemol LL ester (Lubrizol) (Lauryl lactate) | 0.25 |
Phase F | |
Euxyl PE 9010 (sch-lke & mayr) (phenoxyethanol (and) ethylehexylglycerin) | 0.50 |
Actiphyte of Japanese Green Tea GL (Active Organics) (Water, glycerin, camelia oleifera leaf extract) | 5.00 |
Procedure | |
Combine D and mix until salicylic acid crystals are fully dissolved. Set aside for later addition. Dissolve disodium EDTA in water. When disodium EDTA is fully dissolved, set mixing speed @400-500 rpm and slowly disperse Carbopol Ultrez 30 polymer into water. Mix until polymer is fully hydrated. Premix B into a uniform slurry and add to A. Increase mixing speed as needed to maintain uniformity. Add C to A/B and increase mixing speed as needed to maintain uniformity. Continue mixing for 10 minutes. Add D to batch and adjust mixing speed as needed to reduce any splashing due to viscosity change. Mix until uniform. Premix E and add to batch. Mix until uniform. Add F ingredients individually, mixing between additions. | |
Properties | |
Appearance-Translucent gel; pH-4.0-4.5; Viscosity (mPa-s) (Brookfield RV, DVII+ Viscometer spindle #4 @ 20 rpm, 25°C @ 24 hours)-3,500-6,000; Yield Value (dyn/cm)-300-500; Stability-Passed 2 months @ RT, 45°C and 50°C. Passed 4 F/T cycles. | |
More Information | |
Lubrizol Advanced Materials, Inc. 800-379-5389 or 216-447-5000 Website: www.lubrizol.com/personalcare |