Near-infrared absorbing transparent resin composition and article molded therefrom
AssigneeDaicel Chemical Industries, Ltd.
InventorsYuji Miyake, Sakae Takahashi
Life of this patent
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Abstract
A near-infrared absorbing transparent resin composition prepared by melt-kneading 100 parts by weight of a transparent resin, 0.01 to 5 parts by weight of cupric sulfide and, if necessary, further 0.001 to 1 part by weight of a specific thiourea derivative and/or 0.001 to 1 part by weight of a specific amide derivative, and a molded article of a near-infrared absorbing transparent resin produced by molding the above composition into a sheet or film.
Claims8
A transparent resin composition having excellent near-infrared absorption which comprises (A) 100 parts by weight of a transparent resin selected from the group consisting of a polycarbonate, styrene, a styrene copolymer, polymethyl(meth)acrylate and a polymethy(meth)acrylate copolymer and (B) 0.01 to 5 parts by weight of cupric sulfide, said cupric sulfide having been kneaded into said resin such that it is dispersed therein and said composition exhibiting nearly uniform absorption over the near infrared region of 800 to 2000 nm.
A sheet of film having excellent near-infrared absorption which comprises (A) 100 parts by weight of a transparent resin selected from the group consisting of a polycarbonate, styrene, a styrene copolymer, polymethyl(meth) acrylate and a polymethl(meth) acrylate copolymer and (B) 0.01 to 5 parts by weight of cupric sulfide, said cupric sulfide having been kneaded into said resin such that it is dispersed therein and said composition exhibiting nearly uniform absorption over the near infrared region of 800 to 2000 nm.
Dependencies are inferred from the claim text.