Back to results
US 11,865,814 B2Granted
p-Static capped stretched acrylic transparencies
AssigneeTexstars, LLC
InventorRonald L. Meline
Life of this patent
Estimating the term…
Abstract
The present invention provides an aerospace or aircraft transparency which, generally, includes a cast acrylic having a conductive acrylic incorporating a conductive ionic polymer is cast thereatop and cured. In a second embodiment hereof, a stretchable acrylic formulation having a conductive polymer admixed therewith along with a minor amount of a cross-linking agent cast atop a ply of unfilled stretchable acrylic. The stack is simultaneously cured and then stretched.
Claims14
A p-static dissipating acrylic transparency, comprising:
- a non-conductive stretched transparent cast acrylic sheet comprising poly(methyl methacrylate) and having a smooth surface formed by casting between a glass or polished metal plate;
- and
- a transparent cast acrylic cap overlaying the smooth surface of the cast acrylic sheet, the cap comprising poly(methyl methacrylate) and a conductive polymer incorporated therewith for dissipating p-static electricity, wherein the cast acrylic sheet and the cast acrylic cap are cured together and then stretched together to produce the acrylic transparency with the cap,
- wherein the transparent cast acrylic cap is fused to the non-conductive cast acrylic sheet, and wherein the acrylic cap further comprising a crosslinking agent comprising triallyl isocyanate and at least one of 1,3-butanediol dimethacrylate, 1,4-butanediol dimethacrylate, neopentyl glycol dimethacrylate, or mixtures thereof.
1 more element
Dependencies are inferred from the claim text.