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US 2025/0043135 A1Published application
Electrochromic gels and devices containing them
AssigneePPG Industries Ohio, Inc.
InventorsKevin Mark Valdisera, Nicolas Benjamin Duarte, David Leonardo Gonzalez Arellano, Dhawal Rajendra Thakare
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Abstract
Electrochromic gels that include 20 to 99 wt. % of a polar solvent, 0.5 to 25 wt. % of a rheology modifying agent, and 0.5 to 20 wt. % of an electrochromic material. The rheology modifying agent is soluble in the polar solvent and forms a gel at ambient conditions when dissolved.
Claims31
An electrochromic gel comprising:
- 20 to 99 wt. % of a polar solvent,
- 0.5 to 25 wt. % of a rheology modifying agent, and
- 0.5 to 20 wt. % of an electrochromic material;
- wherein the rheology modifying agent dissolved in the polar solvent forms a thermoreversible gel;
- and
- wherein the thermoreversible gel is a gel at 25° C. and is a fluid at 120° C.
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Dependencies are inferred from the claim text.