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Uv - curable resin composition for fresnel - lens, fresnel - lens and a projection wall
Uv - curable resin composition for fresnel - lens, fresnel - lens and a projection wall
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机译:UV-菲涅耳-透镜的可固化树脂组合物,菲涅耳-透镜和投影墙
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摘要
UV-curable Fresnel lens resin compositions [1a] comprising a (meth)acrylate containing hydroxyl group and aromatic ring (A1), a urethane group-contining (meth) acrylate (A2) comprising an aromatic diol, an aromatic ring-containing monofunctional (meth)acrylate (A3), and a photopolymerization initiator (B) and [1b] comprising (A1), a mono- or di(meth)acrylate monomer (A4), and (B), further supplemented with a polyester (C1) comprising an aromatic diol and a phosphate (C2) for the formation of a Fresnel lens on a sheet or plate made of a methyl methacrylate (co) polymer; a Fresnel lens formed by UV cure of composition [1a] or [1b]; and a rear projection screen including a sheet or plate carrying said Fresnel lens. The Fresnel lens has high refractive index, antistatic properties and is satisfactory in adhesion to a sheet or plate.
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