ORGANOMETALLIC COMPLEX COATING SOLUTION AND NEAR INFRARED ABSORPTION FILM

To provide: an organometallic complex coating solution which can be coated on a substrate and baked to form a film without adding a catalyst, moreover, the temperature and time for the film formation step are also reduced; and a near infrared absorption film which has excellent optical performance,...

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Bibliographische Detailangaben
Hauptverfasser: CHENG SHIH-SONG, LI KUON, ZHU BO-XUN, WU FENG-LING, LIN CHANG-JUN, YANG TANG-HAO, CHAO TZU-LING, HAYASHI YUKITERU
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide: an organometallic complex coating solution which can be coated on a substrate and baked to form a film without adding a catalyst, moreover, the temperature and time for the film formation step are also reduced; and a near infrared absorption film which has excellent optical performance, and further even in the case of thin thickness, has high transmittance in the visible region and extremely low transmittance in the near infrared region, and exhibits an extremely excellent near infrared cut-off effect.SOLUTION: An organometallic complex coating liquid contains an organometallic complex, a phosphorus-containing dispersant, and an optical resin. The optical resin is preferably a thermoplastic resin, a photocurable resin or a mixture of both of them, and the thermoplastic resin is preferably at least one selected from polycarbonate, polyester, and polycycloolefin.SELECTED DRAWING: Figure 1 【課題】触媒を別途で添加しなくても、基材上に塗布してベーキングすることにより成膜することができ、また、成膜工程の温度及び時間も低減する有機金属錯体コーティング液、および優れる光学性能を有し、薄肉であっても可視光域で高透過率を有し、また、近赤外線域では非常に低い透過率を有し、非常に良い近赤外線遮断効果を備える近赤外線吸収フィルムを提供する。【解決手段】有機金属錯体、リン含有分散剤、および光学樹脂を含む、有機金属錯体コーティング液による。前記光学樹脂は、熱可塑性樹脂、光硬化樹脂、または両方の混合物であることが好ましく、前記熱可塑性樹脂は、ポリカーボネート、ポリエステル、及びポリシクロオレフィンから選ばれる少なくとも1つであることが好ましい。【選択図】図1