Light-sensitive material for colour filter and process for producing colour filter using the same
    2.
    发明公开
    Light-sensitive material for colour filter and process for producing colour filter using the same 失效
    对于滤色器和方法相同的光敏材料用于使用生产彩色滤光片。

    公开(公告)号:EP0662635A2

    公开(公告)日:1995-07-12

    申请号:EP95100144.5

    申请日:1995-01-05

    发明人: Hirai, Hiroyuki

    摘要: A light-sensitive material for a color filter (2) is described, which comprises a support having provided thereon a peeling layer and further provided thereon at least three silver halide emulsion layers which are different in color sensitivity. A process for producing a color filter is also described, which comprises the steps of adhering an emulsion side of the light-sensitive material to a light-transmitting substrate, peeling the support off the light-sensitive material, pattern-exposing the emulsion side, and subjecting the material to development processing and desilvering processing.

    摘要翻译: 用于彩色滤光片的光敏材料被描述,其上具有剥离层的支撑和进一步提供其上在颜色不同的灵敏度的至少三个卤化银乳剂层,其包括。 一种用于生产彩色滤光片这样描述的,其包括秉承感光材料的感光乳剂侧的透光性基板,剥离支持离光敏材料的步骤过程中,图案曝光的感光乳剂侧, 并对该材料显影处理和脱银处理。

    Process for the preparation of pigments having improved colouristic properties
    3.
    发明公开
    Process for the preparation of pigments having improved colouristic properties 有权
    Verfahren zur Herstellung von Pigmenten mit verb desserten coloristischen Eigenschaften

    公开(公告)号:EP1411091A1

    公开(公告)日:2004-04-21

    申请号:EP03104951.3

    申请日:2000-06-23

    摘要: The invention relates to a process for preparing pigments, which comprises

    subjecting a crude pigment or mixture of crude pigments and a crystalline inorganic salt or mixture of crystalline inorganic salts together, essentially in the absence of other constituents, to the action of a rotor having a tangential speed of at least 10 m/s, so that a temperature of at least 80°C is attained by means of friction effects; and subsequently
    kneading the product of this treatment with an organic liquid, during which it is possible if desired to add additional substances selected from the group consisting of inorganic salts, inert additives and colorants.

    These pigments and their use in polymers, printing inks and colours filters are also claimed.

    摘要翻译: 颜料的制备包括:(1)将不存在其它组分的粗颜料和结晶无机盐在切向速度至少为10m / s的转子上进行,以获得至少80° 摩擦效应; 和(2)与有机液体混合,如果需要,加入另外选自无机盐,惰性添加剂和着色剂的物质。 还包括以下独立权利要求:(a)通过步骤(1)将粗颜料转化为无定形细颗粒形式。 (b)通过捏合包含式(I)化合物,结晶无机盐和有机液体的组合物来制备颜料。 在捏合开始时,化合物(I)为无定形形式,有机液体在其分子中含有至少一个氧代基团。 有机液体与无机盐的比例为1ml:6g至3ml:7g,有机液体与无机盐的总重量和式(I)的颜料的比例为1ml:2.5 g至1ml:7.5g。 (c)在凹版印刷中用干燥后的施加量测量的式(I)颜料为0.860g / m 2>,其颜料为0.068g / m 2>; 通过在白色牛皮纸上打印。 干燥后,颜料的亮度(L *)不大于48,色度(C *)至少为53,色相角(h)为295-315。 印刷油墨通过以下步骤制备:(i)将颜料(30),溶解在溶液中的(wt。%)分散树脂(30)和异丙醇(7)的水溶液(30)分散(重量份) 实验室溶解器以6000转/分钟(rpm)和23±2℃进行15分钟,然后在含有6000rpm和30±10℃直径为1.1±0.1mm的陶瓷珠的珠磨机中, C 10分钟; 和(ii)在实验室溶解器中以6000rpm和23±2℃的水溶液(900重量份)稀释所得分散体,所述水溶液含有(wt。)聚合丙烯酸酯(18)溶解在溶液中和异丙醇(15) 15分钟。 (d)喹吖啶酮,蒽醌,苝,靛蓝,喹酞酮,阴丹酮,异吲哚啉酮,二恶嗪,偶氮,酞菁或二酮吡咯并吡咯系列(优选1,4-二酮吡咯并[3,4] - 吡咯,特别是CI颜料红 254(颜料)式(II)),其包含(0-8)重量%的平均粒度为0.01-0.12μm的颗粒,基于大小为0.01-0.1μm的颗粒的重量。 CuK-α辐射X射线粉末图的半峰全宽为0-0.68 [度]2θ。 (e)式(II)的颜料在甲基丙烯酸树脂中的50%分散体。 将该分散体作为厚度施加使得在400-700nm的区域中的吸收最大值具有1.0±0.1的强度。 最大值出现在波长556-596(特别是557 - 565)nm。 优选地,吸收最大值的红移侧的最大斜率(在反转点处)基于吸收最大值的吸收达到每1nm波长变化的吸收的至少5%的变化。 (f)印刷油墨浓缩物,其包含存在于粘合剂溶液中的分散体中1-75(优选5-50,特别是25-40)重量%的式(I)或(II)颜料。 (g)一种滤色器,其包括透明的,基本上无色的底物和包含1-75(优选5-50,特别是25-40)重量%的分散在高分子中的式(I)或(II)颜料的层 分子量有机材料。 (h)一种制备滤色剂的组合物,其包含(wt。%)高分子量有机材料和分散在其中的式(I)或(II)(0.01-40,优选1-25,特别是5-10)的颜料 材料。 (i)包含(重量%)式(I)或(II)的颜料(0.05-70)和高分子量有机材料(99.95-30))的大量着色的高分子量有机材料。 (j)通过在其中加入式(I)或(II)的颜料,使质量中的高分子量有机材料着色。

    Pigment dispersions for color filters, fabrication process of color filters, and color filters
    6.
    发明公开
    Pigment dispersions for color filters, fabrication process of color filters, and color filters 有权
    Farbfilter Farbfilter,HerstellungsverfahrenfürFarbfilter sowie Farbfilter

    公开(公告)号:EP1024179A1

    公开(公告)日:2000-08-02

    申请号:EP99125827.8

    申请日:1999-12-23

    IPC分类号: C09B67/22 G03C7/06 C09B1/46

    摘要: Pigment dispersions for color filters are composed of pigments, dispersants, film-forming resins and liquid media. The dispersants comprises compounds represented by the following formula (I):
    wherein X and X' each independently represent H, OH, alkoxy, primary, secondary or tertiary amino, or acylamino; Y represents an anthraquinonylamino, phenylamino or phenoxy group having H, OH, alkoxy, primary, secondary or tertiary amino, or acylamino at the 4-position or 5-position; A and B each independently represent alkyl, cycloalkyl or aryl, and at least one of A and B has at least one substituent group containing a basic nitrogen atom; and Z represents H, CN, halogen, alkyl, alkoxy, NO 2 , benzoylamino or 3-benzoyl, and the 3-benzoyl group may be fused together with X to form an acridone ring. These pigment dispersions are useful for the production of color filters.

    摘要翻译: 用于有机颜料的分散剂包括由下式(I)表示的化合物:其中X和X'各自独立地表示H,OH,烷氧基,伯,仲或叔氨基或酰氨基; Y表示在4-位或5-位具有H,OH,烷氧基,伯,仲或叔氨基或酰基氨基的蒽醌基氨基,苯基氨基或苯氧基; A和B各自独立地表示烷基,环烷基或芳基,A和B中的至少一个具有至少一个含有碱性氮原子的取代基; Z表示H,CN,卤素,烷基,烷氧基,NO 2,苯甲酰氨基或3-苯甲酰基,3-苯甲酰基可与X一起稠合形成吖啶酮环。 使用上述分散剂的颜料分散体适用于生产书写或记录颜料油墨。

    Light-sensitive material for colour filter and process for producing colour filter using the same
    7.
    发明公开
    Light-sensitive material for colour filter and process for producing colour filter using the same 失效
    对于滤色器和方法相同的光敏材料用于使用生产彩色滤光片。

    公开(公告)号:EP0662635A3

    公开(公告)日:1995-10-18

    申请号:EP95100144.5

    申请日:1995-01-05

    发明人: Hirai, Hiroyuki

    摘要: A light-sensitive material for a color filter (2) is described, which comprises a support having provided thereon a peeling layer and further provided thereon at least three silver halide emulsion layers which are different in color sensitivity. A process for producing a color filter is also described, which comprises the steps of adhering an emulsion side of the light-sensitive material to a light-transmitting substrate, peeling the support off the light-sensitive material, pattern-exposing the emulsion side, and subjecting the material to development processing and desilvering processing.

    Novel pigment form of Pigment Violet 23
    9.
    发明授权
    Novel pigment form of Pigment Violet 23 无效
    颜料紫23的新颜料形式

    公开(公告)号:EP1194485B1

    公开(公告)日:2004-04-28

    申请号:EP00951300.3

    申请日:2000-06-23

    摘要: Preparation of a pigment comprises: (1) subjecting crude pigment(s) and crystalline inorganic salt(s) in the absence of other constituents to a rotor having a tangential speed of at least 10 m/s, to attain at least 80[deg]C by friction effects; and (2) kneading with an organic liquid and if desired adding additional substances selected from inorganic salts, inert additives and colorants. Independent claims are also included for the following: (a) Converting a crude pigment into an amorphous fine-particled form by step (1). (b) Preparing a pigment by kneading a composition comprising a compound of formula (I), crystalline inorganic salt(s) and an organic liquid. At the beginning of kneading, compound (I) is in amorphous form and the organic liquid contains at least one oxo group in its molecule. The proportion of the organic liquid to the inorganic salt is from 1 ml:6 g to 3 ml:7 g and that of the organic liquid to the overall weight of the inorganic salt and the pigment of formula (I) is 1 ml:2.5 g to 1 ml:7.5 g. (c) A pigment of formula (I) measured in gravure printing with an applied amount after drying of 0.860 g/m 2>, of which the pigment accounts for 0.068 g/m 2>; by printing on white kraft paper. The pigment gives a lightness (L*) not > 48, a chroma (C*) of at least 53 and a hue angle (h) of 295-315, after drying. The printing ink is prepared by (i) dispersing (parts by weight) the pigment (30), aqueous solution (30) containing (wt.%) a dispersing resin (30) dissolved in the solution and isopropanol (7), first with a laboratory dissolver at 6000 rotations per minute (rpm) and 23+- 2[deg]C for 15 minutes and then in a bead mill containing ceramic beads of diameter 1.1 +- 0.1 mm at 6000 rpm and 30+- 10[deg]C for 10 minutes; and (ii) diluting the resulting dispersion with an aqueous solution (900 parts by weight) containing (wt.%) polyacrylate (18) dissolved in the solution and isopropanol (15) in the laboratory dissolver at 6000 rpm and 23 +- 2[deg]C for 15 minutes. (d) A crystalline organic pigment of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, indanthrone, isoindolinone, dioxazine, azo, phthalocyanine or diketopyrrolopyrrole series (preferably 1,4-diketopyrrolo[3,4]-pyrrole, especially C.I. Pigment Red 254 (pigment) of formula (II)) comprising (0-8) wt.% of particles of an average size of 0.01-0.12 mu m, based on the weight of particles of size from 0.01-0.1 mu m. The full width at half maximum of a CuK-alpha radiation X-ray powder diagram is 0-0.68[deg] 2theta . (e) A 50 % dispersion of the pigment of formula (II) in a methacrylic resin. The dispersion is applied as a film of thickness such that the absorption maximum in the area from 400-700 nm has an intensity of 1.0 +- 0.1. The maximum occurs at a wavelength of 556-596 (especially 557 - 565) nm. Preferably, the maximum slope (at the inversion point) on the bathochromic side of the absorption maximum reaches at least 5% change in absorption per 1 nm change in wavelength based on the absorption at the absorption maximum. (f) A printing ink concentrate comprising 1-75 (preferably 5-50, especially 25-40) wt.% of the pigment of formula (I) or (II) present in dispersion in a binder solution. (g) A color filter comprising a transparent, essentially colorless substrate and a layer comprising 1-75 (preferably 5-50, especially 25-40) wt.% of the pigment of formula (I) or (II) dispersed in a high molecular mass organic material. (h) A composition for making color filters comprising (wt.%) the high molecular mass organic material and the pigment of formula (I) or (II) (0.01-40, preferably 1-25, especially 5-10) dispersed in the material. (i) A mass-colored, high molecular mass organic material comprising (wt.%) the pigment of formula (I) or (II) (0.05-70) and the high molecular mass organic material (99.95-30). (j) Coloring high molecular mass organic material in the mass by incorporating the pigment of formula (I) or (II) in it.

    Highly crystalline pigment having an average particle size from 0.01 microm. to 0.12 microm. and improved colouristic properties

    公开(公告)号:EP1411092A1

    公开(公告)日:2004-04-21

    申请号:EP03104957.0

    申请日:2000-06-23

    摘要: The invention relates to substantially crystalline organic pigments of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, indanthrone, isoindolinone, isoindoline, dioxazine, azo, phthalocyanine or diketopyrrolopyrrole series consisting of particles of average size from 0.01 µm to 0.12 µm, having a full width at half maximum of a a CuK α radiation X-ray powder diagram of from 0 to 0.68 °2θ and prepared by a process which comprises

    subjecting a crude pigment or mixture of crude pigments and a crystalline inorganic salt or mixture of crystalline inorganic salts together, essentially in the absence of other constituents, to the action of a rotor having a tangential speed of at least 10 m/s, so that a temperature of at least 80°C is attained by means of friction effects; and subsequently
    kneading the product of this treatment with an organic liquid, during which it is possible if desired to add additional substances selected from the group consisting of inorganic salts, inert additives and colorants.

    The use of these pigments in polymers, printing inks and colours filters is also claimed. The invention in particular relates to a highly crystalline novel form of Pigment Red 254
    (II), obtained by above-mentioned process, and having a steep slope on the bathochromic side of the absorption spectrum's maximum, and the use thereof in particular in colour filters.