BLACK FLUID DISPERSION, ULTRAVIOLET CURABLE BLACK COMPOSITION, RESIN COMPOSITION, BLACK MATRIX FOR COLOR FILTER, CMOS CAMERA MODULE

To provide a black fluid dispersion in which black pigment is less likely to flocculate even after storage in the air for a long period of time, an ultraviolet curable black composition including the black fluid dispersion, and a resin composition obtained by curing the ultraviolet curable black com...

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Bibliographische Detailangaben
Hauptverfasser: KAGEYAMA KENSUKE, AIBA NAOYUKI, AKAIKE HIROTO, HYUGANO REIKO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a black fluid dispersion in which black pigment is less likely to flocculate even after storage in the air for a long period of time, an ultraviolet curable black composition including the black fluid dispersion, and a resin composition obtained by curing the ultraviolet curable black composition.SOLUTION: A black fluid dispersion contains a solvent, a black pigment, and a polymer dispersion agent, wherein the solvent includes either or both of a monofunctional monomer and a bifunctional monomer having an ethylenically unsaturated bond, the black pigment includes zirconium nitride, the polymer dispersion agent has a main chain, and a plurality of side chains coupled to the main chain, the main chain is polyalkyleneimine, and each of the plurality of side chains includes a comb-type polymer which is a group containing an oxyethylene group and an oxypropylene group.SELECTED DRAWING: None 【課題】大気中で長期間保存しても黒色顔料が凝集しにくい黒色分散液と、その黒色分散液を含む紫外線硬化型黒色組成物と、その紫外線硬化型黒色組成物を硬化させることによって得られた樹脂組成物とを提供する。【解決手段】黒色分散液は、溶媒と、黒色顔料と、高分子分散剤と、を含有し、前記溶媒は、エチレン性不飽和結合を有する単官能モノマー及び二官能モノマーの一方又は両方を含み、前記黒色顔料は、窒化ジルコニウムを含み、前記高分子分散剤は、主鎖と前記主鎖に結合した複数の側鎖とを有し、前記主鎖がポリアルキレンイミンであって、前記複数の側鎖のそれぞれがオキシエチレン基とオキシプロピレン基とを含有する基である櫛型ポリマーを含む。【選択図】なし