C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/18 (2006.01) B32B 27/36 (2006.01) B32B 33/00 (2006.01) C08L 67/02 (2006.01) F21V 9/04 (2006.01) G02B 5/22 (2006.01) G02F 1/1335 (2006.01)
Patent
CA 2441651
Disclosed is a near-infrared-absorbing film of a transparent polyester resin in which a near-infrared- absorbing dye is dispersed. The polyester resin comprises an aromatic diol of one of the formulae: (See Formula I, II, III, IV, V) (See Formula VI) in which R1, R6, R12, R17, R18, R21 and R28 are alkylene; R2, R3, R4, R5, R7, R8, R9, R10, R11, R13, R14, R15, R16, R19, R20, R22, R23, R24, R25, R26, R27, R31, R32, R33 and R34 are hydrogen, alkyl, aryl or aralkyl; R29 and R30 are alkyl; k is 1 to 4; l and m are 1 to 8; and n is 0 to 5. Also disclosed is a multi- layered film or panel including the near-infrared-absorbing film. The near-infrared-absorbing film and the multi- layered film or panel absorb near-infrared rays emitted by image output devices, thereby prevent malfunctioning of remote-control infrared communication parts.
Igarashi Kouei
Indo Takashi
Koike Masahiro
Sakurai Kazuo
Suzuki Yasuko
Kanebo Ltd.
Osaka Gas Co. Ltd.
Smart & Biggar
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