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US 9,849,449 B2Granted
Amorphous inorganic anion exchanger, resin composition for electronic component sealing, and process for producing amorphous bismuth compound
AssigneeToagosei Co., Ltd.
InventorsKentarou Miyamura, Tomohisa Iinuma, Yasuharu Ono
Life of this patent
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Abstract
The amorphous inorganic anion exchanger of the present invention is represented by Formula (1) and has an average primary particle size observed with an electron microscope of at least 1 nm but no greater than 500 nm and an NO3 content of no greater than 1 wt % of the whole: BiO(OH) Formula (1).
Claims17
An amorphous inorganic anion exchanger, represented by Formula (1), having:
- an average primary particle size observed with an electron microscope of at least 1 nm but no greater than 500 nm,
- a NO3− content of no greater than 1 wt % of a whole,
- a specific surface area by a BET method of 10 to 100 m2/g,
- a median diameter on a volume basis measured by a laser diffraction type particle size distribution analyzer within a range of from 0.01 μm to 20 μm, and
- a maximum particle size measured by a laser diffraction type particle size distribution analyzer no greater than 20 μm,
- BiO(OH) Formula (1).
3 more elements
Dependencies are inferred from the claim text.