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Octocrylene: What is it?

Octocrylene: What is it?

Sep. 23, 2023

Octocrylene is an organic sun filter. This filter mainly absorbs UVB radiation, which is responsible for tanning but also for sunburn and skin cancer.

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30 Apr.

Combination of Two Minerals Can Explain Mysterious UV Absorber in Clouds of Venus

The clouds of Venus are believed to be composed of sulfuric acid and minor constituents including iron-bearing compounds. Respective concentrations of these compounds vary with height in the thick atmosphere of our neighboring planet. In a new study, researchers at the University of Cambridge synthesized iron-bearing sulfate minerals that are stable under the harsh chemical conditions in the Venusian clouds. Their spectroscopic analysis revealed that a combination of two minerals, rhomboclase and acid ferric sulfate, can explain the mysterious ultraviolet (UV) absorption feature in the Venusian atmosphere.

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24 Apr.

Is Tinosorb M The Perfect UV Filter?

Tinosorb M is a UV filter on steroids.Most UV filters only protect you from UVA or UVB rays. Tinosorb M does double duty: it provides broad spectrum protection, keeping you safe from UVA (both UVA-1 and UVA-2), UVB.

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18 Apr.

What are Photoinitiators?

Photoinitiators are small molecules that are sensitive to light. Upon light absorption, they undergo photochemical cleavage to produce reactive species (either free radicals or a Bronsted or Lewis acid) that will interact with the active components in the liquid formulations.

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27 Mar.

UV Absorbers: The Advanced Plastic Protectors

UV is present in many areas, including the earth’s sunlight, and can also be generated artificially by man, in a non-natural process.

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18 Mar.

The dye's character

"Functional DyesIs a pigment that exerts a new function with a small amount of external energy (light, heat, electric field, pressure, etc.) in addition to the coloring property which is the original performance of the dye. MolecularπBy controlling the electron-conjugated system, it absorbs light in a specific wavelength range from the ultraviolet light range to the visible light and near-infrared light range (“light selective absorption”), and produces various colors in the visible light range. indicate .

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13 Mar.

What is a UV Stabilizer?

UV stabilizers protect a surface through arresting the photodegradation process. Hindered amine light stabilizers, or HALS, are a type of light stabilizer. Unlike UV absorbers that take in the ultraviolet light and keep it from reaching the plastic, HALS have a distinct operation that involves free radicals and chemical reactions.

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