Waterproof Mascara
Posted: December 16, 2008
Company: Gelest PCS
| A. | |
| Isododecane (Permethyl fluid 99A, Presperse) | 23.05%w/w |
| Polyethylene (AC Polyethylene 6A, Honeywell) | 11.00 |
| Euphorbia cerifera wax | 4.50 |
| Polyglyceryl-3 diisostearate (Prisorine 3700, Croda) | 0.25 |
| Benzoic acid | 0.20 |
| B. | |
| Pentaerythrityl rosinate | 2.00 |
| Isododecane | 2.00 |
| C. | |
| Zinc stearate (Zinc Stearate 921-G, Brenntag) | 1.00 |
| Silica silylate (SIS6962.1M30, Gelest) | 1.00 |
| D. | |
| Isododecane | 8.00 |
| Iron oxides (and) hydroxysilsesquioxane/methylsilsesquioxane copolymer (proposed) (Gelest Black Iron Oxide SD, Gelest) | 12.00 |
| E. | |
| Petroleum distillates (and) distearyldimonium hectorite (Bentone Gel SS-71, Elementis) | 35.00 |
| 100.00 | |
Procedure: Combine B in a closed vessel. Stir slowly until uniform. Separately combine D. Mill D using high shear agitation. Separately combine A in a closed vessel. Heat A to 95°C with stirring until clear. Add B to A with stirring. Add C to AB with stirring. Homogenize until dispersed. Add D to batch. Homogenize until dispersed. Add E to batch. Homogenize until dispersed. Stir with sidesweep agitation while cooling to 30°C.