METHOD FOR PRODUCING PIGMENT FINE PARTICLE, AND COLOR FILTER

Japanese Patent JP2014024906

A

To provide a triarylmethane-based pigment fine particle capable of allowing a color filter for liquid crystal display devices, in which filter the triarylmethane-based pigment fine particle is used, to have high luminance, a tone to be unchanged even by a long-term thermal history and light irradiation, and high contrast.

The triarylmethane-based pigment fine particle shown by general formula (1) is obtained by respectively circulating a dyestuff-dissolved solution and a heteropolyoxometalate anion-dissolved solution in separate micro-sized tubes in liquid-tight states and reacting a dyestuff in the dyestuff-dissolved solution with a heteropolyoxometalate anion in the heteropolyoxometalate anion-dissolved solution in a minute space under a high reaction temperature condition while remarkably enhancing mixability thereof.

KATO CHIKAYA
ISHIYAMA FUMIHIKO
KURISAKA KAZUNARI
KONDO HITOSHI
YAMADA SHOGO
ASAMI RYOSUKE
SHIMADA KATSUNORI

JP2012164812A

February 06, 2014

July 25, 2012

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DAINIPPON INK & CHEMICALS

C09B67/02; C09B11/00; C09B11/12; G02B5/20; G02B5/22; H01L51/50; H05B33/12

JP2012136556A	2012-07-19
JP2010085444A	2010-04-15
JP2011186043A	2011-09-22
JP2012087293A	2012-05-10

WO2012043557A1	2012-04-05
WO2012039416A1	2012-03-29

JPN6015028710; 永井洋一: 'マイクロリアクターによる有機顔料ナノ粒子製造プロセスの開発' 化学と教育 Ｖｏｌ．５７，　Ｎｏ．８, 2009, ｐ．３６８-３７１
JPN6015028711; ＳＣＨＷＡＬＢＥ，Ｔ　ｅｔ　ａｌ: 'ファインケミカル事業および委託製造事業における稼働中のマイクロリアクション化学製造プラント' ケミカルエンジニヤリング Ｖｏｌ．５０，　Ｎｏ．３, 2005, ｐ．４１（２０９）-５６（２２４）
JPN6015028715; Ｃｌａｒｉａｎｔ　ＧｍｂＨ: 'Ｍｉｃｒｏｒｅａｃｔｏｒ　Ａｐｐｒｏａｃｈ　ｆｏｒ　Ｉｎｋ　Ｊｅｔ　Ｃｏｌｏｒａｎｔｓ' 色材協会誌 Ｖｏｌ．７７，　Ｎｏ．１, 2004, ｐ．４３-４６
JPN6015028713; 橋本勲: '有機顔料の開発指向とマイクロリアクターの利用' 「第２７回顔料物性講座」テキスト , 2002, ｐ．２５-３５, 社団法人色材協会

Kono Tsuyo

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