Title:
微粒子ハイドロタルサイト、その製造方法、その樹脂組成物、及びその懸濁液
Document Type and Number:
Japanese Patent JP6607549
Kind Code:
B2
Abstract:
An object of the present invention is to overcome the following problems with a hydrotalcite in which primary particles are minute: (1) aggregation of primary particles that occurs during long-term storage of the hydrotalcite as a suspension, and (2) aggregation of primary particles that occurs when the suspension is dehydrated and dried to a powder. To achieve this object, provided is a hydrotalcite represented by a formula (1) below: (M2+)1-X(M3+)X(OH)2(An-)X/n•mH2O (1)where M2+indicates a divalent metal, M3+indicates a trivalent metal, An-indicates an n-valent anion, n indicates an integer of 1 to 6, 0.17 ≤ x ≤ 0.36, and 0 ≤ m ≤ 10,the hydrotalcite satisfying (A) to (C) below:(A) the lattice strain in the <003> direction as measured using an X-ray diffraction method is 3 × 10-3or less; (B) the average width of primary particles as measured using a SEM method is between 5 nm and 200 nm inclusive; and (C) the degree of monodispersity expressed by an equation below is 50% or greater:Degreeofmonodispersity%=averagewidthofprimaryparticlesasmeasuredusingtheSEMmethod/averagewidthofsecondaryparticlesasmeasuredusingadynamiclightscatteringmethod×100.
More Like This:
Inventors:
Kotaro Mori
Shigeo Miyata
Shigeo Miyata
Application Number:
JP2019506275A
Publication Date:
November 20, 2019
Filing Date:
March 15, 2018
Export Citation:
Assignee:
Kyowa Chemical Industry Co., Ltd.
International Classes:
C01F7/785; C01G9/00; C08K3/18; C08L101/00
Domestic Patent References:
| JP200588540A | ||||
| JP200589277A | ||||
| JP2011174043A | ||||
| JP2013212937A | ||||
| JP11255973A |
Foreign References:
| WO2008136272A1 |
Attorney, Agent or Firm:
Ishiwatari Eibo