Back to results
US 2014/0209842 A1Published application
Silicone material having a photochromic additive
AssigneeLuxes Brand, Incorporation
InventorsAllan D. Pagba, Gary K. Wong
Life of this patent
Estimating the term…
Abstract
A silicone-based material that incorporates a photochromic molecule, and methods of making the same. The material changes color when exposed to ultraviolet radiation, thereby providing a convenient indicator of exposure. The material reverts to its original color after the source of ultraviolet radiation is removed. Compositions and articles that comprise a silicone-based material that incorporates a photochromic dye.
Claims14
An composition, comprising:
- a photochromic dye non-covalently integrated into a silicone substrate.
A method of making a photochromic material, the method comprising:
- dissolve a powder of photochromic dye in an organic solvent;
- mix the solution of photochromic dye with a silicone base material so that the photochromic dye comprises 0.5-10% of the mixture by volume;
- add a catalyst to the mixture of dye and base in a ratio 1:10;
- and
- cure the silicone mixture.
2 more elements
A method of making a photochromic material, the method comprising:
- mix a photochromic ink with a silicone base material so that the photochromic ink comprises 0.5-5% of the mixture by volume;
- add catalyst to the mixture of dye and base in a ratio 1:10;
- and
- cure the silicone mixture.
1 more element
Dependencies are inferred from the claim text.