Optically clear shear thickening fluids and optical display device comprising same
AssigneeRohm and Haas Electronic Materials LLC
InventorsDeyan Wang, Yixuan Song
Life of this patent
Estimating the term…
Abstract
There is disclosed an optically clear shear thickening fluid and a protection assembly comprising the optically clear shear thickening fluid. It further relates to uses of the optically clear shear thickening fluid in electronic devices, particularly in optical display devices. The optically clear shear thickening fluid includes: (a) a solid nanoparticle having an average particle size equal to or less than 100 nm; (b) at least one polymer; and (c) a liquid medium. The at least one polymer is substantially soluble in the liquid medium.
Claims14
An optically clear shear thickening fluid comprising:
- a solid nanoparticle having an average particle size equal to or less than 100 nm;
- at least one polymer;
- and
- a liquid medium,
- wherein the at least one polymer is substantially soluble in the liquid medium, and wherein the at least one polymer is selected from the group consisting of poly(2-hydroxyethyl acrylate-co-glycidyl methacrylate-co-methacrylic acid), poly(2-hydroxyethyl acrylate-co-glycidyl methacrylate-co-2-carboxyethyl acrylate), poly(2-hydroxyethyl acrylate) partially capped with acrylate functional groups, polyethylene glycol diacrylate, polyethylene glycol dimethacrylate, polyethylene glycol monoacrylate, polyethylene glycol monomethacrylate, a copolymer of 2-hydroxyethyl acrylate, and combinations thereof.
An optically clear shear thickening fluid comprising:
- a solid nanoparticle having an average particle size equal to or less than 100 nm;
- at least one polymer;
- a liquid medium;
- and
- a crosslinking agent selected from the group consisting of tetrakis(methoxymethyl) glycoluril, hexamethoxymethyl melamine, polyethylene glycol diglycidyl ether, butane diglycidyl ether, succinic acid, propane tricarboxylic acid, isocyanate, and blocked isocyanate,
- wherein the at least one polymer is substantially soluble in the liquid medium.
An optically clear shear thickening fluid comprising:
- a solid nanoparticle having an average particle size equal to or less than 100 nm;
- at least one polymer;
- and
- a liquid medium,
- wherein the at least one polymer is substantially soluble in the liquid medium;
- comprises a crosslinkable group selected from the group consisting of hydroxyl, carboxyl, epoxy, acrylate and combinations thereof;
- and wherein the at least one polymer comprises a first polymer having a first crosslinkable group and a second polymer having a second crosslinkable group, wherein the first polymer is crosslinked with the second polymer.
Dependencies are inferred from the claim text.