Title:
SURFACE-MODIFIED BARIUM TITANATE PARTICLE MATERIAL, BARIUM TITANATE-CONTAINING RESIN COMPOSITION, AND BARIUM TITANATE DISPERSION
Document Type and Number:
WIPO Patent Application WO/2020/110183
Kind Code:
A1
Abstract:
Provided is a surface-modified barium titanate particle material that has high dispersibility in dispersion media and resin. This surface-modified barium titanate particle material that solves the problem above comprises (1) a particle material composed mainly of barium titanate, and a surface treated layer which is a silane compound reacted with the surface of the particle material in an amount of 0.05 to 6.0 μmol/m2 based on the surface area, or (2) a particle material composed mainly of barium titanate, and a surface treated layer which is a silane compound reacted with the surface of the particle material, the silane compound represented by X-(CH2)n-Si(OR)3 (in general formula (1), X is a vinyl group, a phenyl group, a methacryloxy group, an N-phenylamino group, a glycidyloxy group, or an amino group, R is a hydrocarbon group having 1 to 3 carbon atoms, and n is 4 to 10). The IR spectrum measured by the FTIR diffuse reflectance method has a peak from 1500 to 1600 cm-1, and the average particle size (D50) according to dynamic light scattering when dispersed in ethanol at a concentration of 0.1 mass% is 10 to 300 nm.
Inventors:
ARAI YUKI (JP)
TOMITA NOBUTAKA (JP)
KURITA KEISUKE (JP)
AOKI YURI (JP)
TOMITA NOBUTAKA (JP)
KURITA KEISUKE (JP)
AOKI YURI (JP)
Application Number:
PCT/JP2018/043461
Publication Date:
June 04, 2020
Filing Date:
November 27, 2018
Export Citation:
Assignee:
ADMATECHS CO LTD (JP)
International Classes:
C01G23/00
Domestic Patent References:
| WO2009090943A1 | 2009-07-23 | |||
| WO2016140305A1 | 2016-09-09 | |||
| WO2016157954A1 | 2016-10-06 |
Foreign References:
| JP2018024566A | 2018-02-15 | |||
| JP2002521305A | 2002-07-16 | |||
| JP2002518290A | 2002-06-25 |
Other References:
LIANG, S ET AL.: "Barium Titanate/Epoxy Composite Dielectric Materials for Integrated Thin Film Capacitors", 1998 PROCEEDINGS. 48TH ELECTRONIC COMPONENTS AND TECHNOLOGY CONFERENCE {CAT. NO.98 CH 36206, 1998, pages 171 - 175, XP000803613
RAMEJO, L. ET AL.: "BaTiO3-Epoxy Composites for Electronic Applications", INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY, vol. 7, 2 July 2010 (2010-07-02), pages 444 - 451, XP55712097
IIJIMA, M. ET AL.: "Surface modification of BaTiO3 particles by silane coupling agents in different solvents and their effect on dielectric properties of BaTiO3/epoxy composites", COLLOIDS AND SURFACES A: PHYSICOCHEMICAL AND ENGINEERING ASPECTS, vol. 352, 8 October 2009 (2009-10-08), pages 88 - 93, XP026761845, DOI: 10.1016/j.colsurfa.2009.10.005
RAMEJO, L. ET AL.: "BaTiO3-Epoxy Composites for Electronic Applications", INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY, vol. 7, 2 July 2010 (2010-07-02), pages 444 - 451, XP55712097
IIJIMA, M. ET AL.: "Surface modification of BaTiO3 particles by silane coupling agents in different solvents and their effect on dielectric properties of BaTiO3/epoxy composites", COLLOIDS AND SURFACES A: PHYSICOCHEMICAL AND ENGINEERING ASPECTS, vol. 352, 8 October 2009 (2009-10-08), pages 88 - 93, XP026761845, DOI: 10.1016/j.colsurfa.2009.10.005
Attorney, Agent or Firm:
KYORITSU INTERNATIONAL (JP)
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