Method for producing silver powder with adjustable shrinkage

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United States of America

PATENT NO 12090556
SERIAL NO

17298437

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Abstract

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Disclosed is a silver powder preparation method including a silver salt reduction step. The silver salt reduction step includes a reaction solution preparation step for preparing a first reaction solution and a second reaction solution and a precipitation step for allowing reaction between the first reaction solution and the second reaction solution to precipitate silver particles. The first reaction solution contains silver ions, ammonia, an alkali metal salt of an organic acid, and a phosphorous compound, and the second reaction solution contains a reducing agent. The content of the phosphorous compound and the reaction temperature of the precipitation step are adjusted so that the shrinkage rate of the silver powder is adjusted within a range of 5% to 20% at 500° C. when the reaction temperature is heated to 800° C. at a heating rate of 50° C./min.

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Patent Owner(s)

Patent OwnerAddress
LS MNM INC148 SANAM-RO ONSAN-EUP ULJU-GUN ULSAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Jae Won Busan, KR 105 1040
Jin, Woo Min Ulsan, KR 4 10
Kang, Tae Hoon Ulsan, KR 56 182
Kim, Young Hwan Gumi, KR 121 916
Lee, Chang Gun Ulsan, KR 5 40
Lee, Mi Young Busan, KR 65 703

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