公开(公告)号：US20210379654A1

公开(公告)日：2021-12-09

申请号：US17283758

申请日：2019-04-26

Applicant: KAO CORPORATION

Inventor： Tomohide YOSHIDA ,  Hirotaka TAKENO

IPC: B22F1/00 ,  C08L29/04 ,  C08K5/053 ,  C09D11/30

Abstract: The present invention relates to [1] a process for producing a metal fine particle dispersion containing metal fine particles (a) dispersed with a polymer B, including the step 1 of mixing a metal oxide A, the polymer B and a compound C with each other, in which the polymer B contains a hydrophilic group; the compound C is a dihydric alcohol represented by the general formula (1); and the metal fine particles (a) have a cumulant average particle size of not more than 50 nm, and [2] an ink containing the metal line particle dispersion obtained by the production process described in the above [1].

公开(公告)号：US20160115332A1

公开(公告)日：2016-04-28

申请号：US14891156

申请日：2014-05-14

Applicant: KAO CORPORATION

Inventor： Takahiro SATO ,  Hirotaka TAKENO ,  Hironobu FUKUROI

IPC: C09D17/00 ,  C09B67/46

CPC classification number: C09D17/003 ,  C08K5/3437 ,  C09B67/0002 ,  C09B67/0022 ,  C09B67/009 ,  C09D11/00 ,  C09D11/322 ,  C09D17/00

Abstract: The present invention provides [1] a process for producing a fine organic pigment having a very small primary particle size, and a fine organic pigment produced by the process; a process for producing a dispersion using the fine organic pigment, and a dispersion produced by the process; and a process for producing an ink using the dispersion. The present invention relates to [1] a process for producing a fine organic pigment, including step 1 of kneading a mixture prepared by blending (A) a raw material organic pigment containing an oxygen atom and a nitrogen atom bonded to a hydrogen atom in a molecule thereof, (B) a water-soluble inorganic salt, (C) a water-soluble organic solvent, (D) water and (E) a water-soluble basic compound with each other, in which the water (D) is blended in an amount of not less than 0.6 part by mass and not more than 7.0 parts by mass on the basis of 100 parts by mass of the water-soluble inorganic salt, and the water-soluble basic compound (E) is blended in an amount of not less than 1.5 parts by mass and not more than 35 parts by mass on the basis of 100 parts by mass of the raw material organic pigment.

Abstract translation: 本发明提供[1]一种具有非常小的一次粒径的有机有机颜料的制备方法和通过该方法制备的有机有机颜料; 使用该有机颜料的分散体的制造方法和通过该工序制造的分散体; 以及使用该分散体生产油墨的方法。 本发明涉及[1]一种精细有机颜料的制造方法，其包括将通过将（A）含有氧原子的原料有机颜料和与氢原子键合的氮原子共混而制备的混合物 分子，（B）水溶性无机盐，（C）水溶性有机溶剂，（D）水和（E）水（D）相互混合的水溶性碱性化合物 相对于100质量份水溶性无机盐，其含量为0.6质量份以上且7.0质量份以下，水溶性碱性化合物（E）的配合量 基于100质量份的原料有机颜料，不小于1.5质量份且不大于35质量份。

公开(公告)号：US20160090484A1

公开(公告)日：2016-03-31

申请号：US14891192

申请日：2014-05-14

Applicant: KAO CORPORATION

Inventor： Takahiro SATO ,  Hironobu FUKUROI ,  Hirotaka TAKENO

IPC: C09B67/00 ,  C09B67/20 ,  C09D11/322

CPC classification number: C09B67/0022 ,  C09B67/0002 ,  C09B67/006 ,  C09B67/0066 ,  C09B67/009 ,  C09D11/00 ,  C09D11/322 ,  C09D17/00 ,  C09D17/003 ,  G03F7/0007

Abstract: The present invention provides a process for producing a fine organic pigment having a very small primary particle size, and a fine organic pigment produced by the process; a process for producing a dispersion using the fine organic pigment, and a dispersion produced by the process; and a process for producing an ink using the dispersion. The present invention relates to [1] a process for producing a fine organic pigment, including step 1 of kneading a mixture prepared by blending a raw material organic pigment, a water-soluble inorganic salt, a water-soluble organic solvent and water with each other, the water being blended in an amount of not less than 0.6 part by mass and not more than 4.0 parts by mass on the basis of 100 parts by mass of the water-soluble inorganic salt; [2] a fine organic pigment produced by the process described in the above [1]; [3] a dispersion produced using the fine organic pigment described in the above [2]; [4] a process for producing a paste of a fine organic pigment, including step 2 of cleaning the kneaded mixture obtained in the step 1; [5] a process for producing a dispersion, including step 3 of subjecting the paste of the fine organic pigment produced by the process described in the above [4], an organic solvent and water to dispersing treatment; and [6] a process for producing an ink, including step 4 of mixing the dispersion produced by the process described in the above [5], with at least one material selected from the group consisting of water and an organic solvent.

Abstract translation: 本发明提供一种具有非常小的一次粒径的有机有机颜料的制备方法和通过该方法制备的有机有机颜料; 使用该有机颜料的分散体的制造方法和通过该工序制造的分散体; 以及使用该分散体生产油墨的方法。 本发明涉及[1]一种精细有机颜料的制造方法，其包括将通过将原料有机颜料，水溶性无机盐，水溶性有机溶剂和水共混而制备的混合物与各自混合的步骤1 另外，基于100质量份的水溶性无机盐，水的配合量为0.6质量份以上且4.0质量份以下， [2]通过上述[1]所述的方法制造的精细有机颜料; [3]使用上述[2]所述的有机有机颜料制造的分散体。 [4]一种生产精细有机颜料糊料的方法，包括步骤2，清洗步骤1中获得的捏合混合物; [5]一种分散体的制造方法，其包括使上述[4]所述的方法制造的有机颜料的糊料，有机溶剂和水进行分散处理的工序3。 和[6]一种制备油墨的方法，包括将通过上述[5]所述方法制备的分散体与至少一种选自水和有机溶剂的材料混合的步骤4。