Disclosed is an optical film that comprises certain radiation cured (meth)acrylate binders and, desirably, irregular semicrystalline asymmetric particles.
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What is claimed is: 1. A display comprising an optical film bonded to a polarizer, comprising a layer containing irregular semicrystalline asymmetric particles dispersed in a radiation cured binder, the average size of all of said irregular semicrystalline asymmetric particles being between 2 and 2
What is claimed is: 1. A display comprising an optical film bonded to a polarizer, comprising a layer containing irregular semicrystalline asymmetric particles dispersed in a radiation cured binder, the average size of all of said irregular semicrystalline asymmetric particles being between 2 and 20 μm, wherein the film exhibits a 60 degree gloss that is less than 130, and a total light transmission that is greater than 90 percent. 2. The display of claim 1 wherein the radiation cured binder comprises polyfunctional acrylic compounds derived from polyhydric alcohols. 3. The display of claim 2 wherein the radiation cured binder comprises a repeating group selected from ethoxylated trimethylolpropane tri(meth)acrylate, tripropylene glycol di(meth)acrylate, trimethylolpropane tri(meth)acrylate, diethylene glycol di(meth)acrylate, pentaerythritol tetra(meth)acrylate, pentaerythritol tri(meth)acrylate, dipentaerythritol hexa(meth)acrylate, 1,6-hexanediol di(meth)acrylate, and neopentyl glycol di(meth)acrylate. 4. The display of claim 2 wherein the radiation cured binder comprises a repeating group selected from pentaerythritol tetra(meth)acrylate and pentaerythritol tri(meth)acrylate. 5. The display of claim 1 wherein the radiation cured binder comprises acrylate and methacrylate oligomers derived from low-molecular weight polyester resin, polyether resin, acrylic resin, epoxy resin, polyurethane resin. 6. The display of claim 1 wherein the radiation cured binder comprises a urethane acrylate compound. 7. The display of claim 1 wherein the radiation cured binder comprises an aliphatic urethane acrylate derived from isophorone diisocyanate. 8. The display of claim 1 wherein the radiation cured binder comprises a polyurethane acrylate derived from an aliphatic polyester polyol. 9. The display of claim 1 wherein the particles comprise micronized irregular polyamide or copolyamide polymer particles. 10. The display of claim 1 wherein said particles are present in at least 2% by weight of the layer. 11. The display of claim 1 wherein said particles are present in an amount of less than 50% by weight of the layer. 12. The display of claim 1 wherein the film additionally contains a silicone acrylate lubricant. 13. The display of claim 12 wherein the silicone acrylate lubricant is a methacryloxy-functional silicone polyether copolymer. 14. The display of claim 1 wherein said film has a pencil hardness of greater than 2H. 15. The display of claim 1 wherein said film has a hardness of between 2H and 8H. 16. The display of claim 1 wherein said film is deposed upon a transparent polymeric support. 17. The display of claim 16 wherein said support is selected from the group consisting of triacetyl cellulose, polyethylene terephthalate, diacetyl cellulose, acetate butyrate cellulose, acetate propionate cellulose, polyether sulfone, polyacrylic based resins, polyurethane based resin, polyester, polycarbonate, aromatic polyamide, polyolefins, polymers derived from vinyl chloride, polyvinyl alcohol, polysulfone, polyether, polynorbornene, polymethylpentene, polyether ketone, and (meth)acrylonitrile. 18. The display of claim 16 wherein said polymeric support is triacetyl cellulose. 19. The display of claim 1 is a touch screen display.
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