![]() Cone calorimetry revealed that addition of the organic-inorganic pigments resulted in a substantial improvement of the flame retardancy, reflected by the decreased values of the heat release rate (HRR MAX) and total heat release parameter (THR) of the EN composites in comparison to a neat sample (unfilled EN). ![]() The second part of the study evaluated the flammability of ethylene-norbornene (EN) composites, in which the pigments had been applied as colorants. Incorporation of the organic colorant into the LH host enhanced its resistance to dissolution in organic solvent (butyl acetate), as well as improving its color stability under elevated temperatures. The TOF-SIMS spectrum of LH modified with azo chromophore (AC) showed an intense peak for the C 19H 15O 5N 2Mg + ion, confirming metal-dye interactions. The relationship between the Mg/Al ratios of the LH carriers and the formation of lake pigments was explored. In the first part of the study, the hybrid pigments were submitted to comprehensive characterization using time-of-flight secondary ion mass spectrometry (TOF-SIMS), 27Al solid-state nuclear magnetic resonance (NMR) spectroscopy, powder X-ray diffraction analysis (XRD), thermogravimetric analysis (TGA), and N 2 adsorption as well as scanning and transmission electron microscopy (SEM/STEM). The colorants were also evaluated for their flame-retardant properties. Here's the lowdown on how to subscribe to Allure's print edition for more beauty routines, recommendations, and features.This study set out to investigate the impact of aluminum-magnesium hydroxycarbonates (LHs) with various Mg/Al ratios on the formation of hybrid pigments. Give these techniques a whirl with the 19 best setting powders listed below, all of which are makeup artist and beauty-editor favorites, and say goodbye to your days of makeup creasing and flashback. ![]() "Place your brush in the powder, then tap it off until it looks like nothing is left on the brush, then keep applying until you get to your desired matte look." Tommy adds face powder to the forehead, nose, chin, and the sides of the mouth to "help to mitigate any excess shine or oil breakthrough that can lead to a porous look." ![]() "This gives you more control of the product," Medhin says. ![]() "Setting powder is not only used to lock in your makeup but to 'finish' the look of makeup - to create a smoother, more poreless, and texture-less surface," he explains.īoth artists agree that, whether you have oily skin or dry skin, the less-is-more approach is best when it comes to powders. But oil absorption and longevity aren't the only things setting powders are good for, according to fellow New York City makeup artist Tommy. "When you set the makeup, it has longevity, because who wants to carry a touch-up kit everywhere?"Įven if you prefer dewy looks over matte ones, setting powder applied strategically (in the T-zone, for example) can absorb excess oil and keep products in place longer, according to Medhin. "Setting your makeup is one of the most important steps of your makeup routine," New York City makeup artist Delina Medhin tells Allure. Take it from the professionals: a top-notch setting powder is a non-negotiable must-have in any makeup kit - especially in the summer when heat and humidity can ruin a makeup look before it's even done. ![]()
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