A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Ferrite particle powder for absorbing electromagnetic waves, method for producing same, and resin composition using same
Provided is a ferrite particle powder for absorbing electromagnetic waves, the ferrite particle powder being capable of maintaining the flexibility and uniformity of physical properties of a sheet even when the sheet is highly filled, and having excellent electromagnetic wave absorption performance in the GHz band. The ferrite particle powder for absorbing electromagnetic waves is composed of a magnetoplumbite ferrite represented by the chemical formula: AxFe (12-y) (TizMn (1-z)) yO19, and has a compressive density of 3.00 g/cm3 or more and an average particle diameter of 0.50-3.0 [mu] m as determined by the air permeation method (Blein method), in the formula, A is at least one selected from the group consisting of Ba, Sr, Ca and Pb, x is 0.9-1.1, y is 5.0 or less, and z is 0.35-0.65.
本发明提供一种电磁波吸收用铁氧体粒子粉末，即便对片材进行高填充，也能够保持该片材的柔软性和物性的均匀性，并且GHz频段的电磁波吸收性能优异。该电磁波吸收用铁氧体粒子粉末由化学式：AxFe(12－y)(TizMn(1－z))yO19表示的磁铅石型铁氧体构成，并且具有3.00g/cm3以上的压缩密度，具有0.50～3.0μm的利用空气透过法(布莱恩法)而求出的平均粒径，式中，A为选自Ba、Sr、Ca和Pb中的至少一种，x为0.9～1.1，y为5.0以下，z为0.35～0.65。
Ferrite particle powder for absorbing electromagnetic waves, method for producing same, and resin composition using same
Provided is a ferrite particle powder for absorbing electromagnetic waves, the ferrite particle powder being capable of maintaining the flexibility and uniformity of physical properties of a sheet even when the sheet is highly filled, and having excellent electromagnetic wave absorption performance in the GHz band. The ferrite particle powder for absorbing electromagnetic waves is composed of a magnetoplumbite ferrite represented by the chemical formula: AxFe (12-y) (TizMn (1-z)) yO19, and has a compressive density of 3.00 g/cm3 or more and an average particle diameter of 0.50-3.0 [mu] m as determined by the air permeation method (Blein method), in the formula, A is at least one selected from the group consisting of Ba, Sr, Ca and Pb, x is 0.9-1.1, y is 5.0 or less, and z is 0.35-0.65.
本发明提供一种电磁波吸收用铁氧体粒子粉末，即便对片材进行高填充，也能够保持该片材的柔软性和物性的均匀性，并且GHz频段的电磁波吸收性能优异。该电磁波吸收用铁氧体粒子粉末由化学式：AxFe(12－y)(TizMn(1－z))yO19表示的磁铅石型铁氧体构成，并且具有3.00g/cm3以上的压缩密度，具有0.50～3.0μm的利用空气透过法(布莱恩法)而求出的平均粒径，式中，A为选自Ba、Sr、Ca和Pb中的至少一种，x为0.9～1.1，y为5.0以下，z为0.35～0.65。
Ferrite particle powder for absorbing electromagnetic waves, method for producing same, and resin composition using same
电磁波吸收用铁氧体粒子粉末、其制造方法以及使用该铁氧体粒子粉末的树脂组合物
TSUKAMOTO HIDEMI (author) / WATANABE KOZO (author) / MITSUI HIDEHARU (author) / NISHIO YASUSHI (author)
2024-08-30
Patent
Electronic Resource
Chinese
IPC:
H05K
PRINTED CIRCUITS
,
Gedruckte Schaltungen
/
C01G
Verbindungen der von den Unterklassen C01D oder C01F nicht umfassten Metalle
,
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
/
C04B
Kalk
,
LIME
/
C08K
Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe
,
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
/
H01F
MAGNETS
,
Magnete
| European Patent Office | 2024
European Patent Office | 2021
| European Patent Office | 2016