US 11,739,232 B2
Conductive paste composition
Toyoharu Matsubara, Kyoto (JP); Satoru Tomekawa, Kyoto (JP); Takamitsu Arai, Kyoto (JP); Yuta Motohisa, Kyoto (JP); and Kimika Gotou, Kyoto (JP)
Assigned to KYOTO ELEX CO., LTD., Kyoto (JP)
Appl. No. 17/616,515
Filed by KYOTO ELEX CO., LTD., Kyoto (JP)
PCT Filed May 27, 2020, PCT No. PCT/JP2020/020830
§ 371(c)(1), (2) Date Dec. 3, 2021,
PCT Pub. No. WO2020/250675, PCT Pub. Date Dec. 17, 2020.
Claims priority of application No. 2019-109432 (JP), filed on Jun. 12, 2019; and application No. 2020-079455 (JP), filed on Apr. 28, 2020.
Prior Publication US 2022/0228015 A1, Jul. 21, 2022
Int. Cl. C09D 11/52 (2014.01); C09D 11/037 (2014.01); C09D 11/103 (2014.01); C09D 11/108 (2014.01); C08K 5/10 (2006.01); H01B 1/22 (2006.01); C09D 5/24 (2006.01); H05K 1/09 (2006.01); C08G 59/42 (2006.01); C08K 3/08 (2006.01); C08K 13/02 (2006.01); C08K 5/17 (2006.01)
CPC C09D 11/52 (2013.01) [C08G 59/4207 (2013.01); C08K 3/08 (2013.01); C08K 5/10 (2013.01); C08K 5/17 (2013.01); C08K 13/02 (2013.01); C09D 5/24 (2013.01); C09D 11/037 (2013.01); C09D 11/103 (2013.01); C09D 11/108 (2013.01); H01B 1/22 (2013.01); H05K 1/09 (2013.01); C08K 2003/0806 (2013.01); C08K 2201/001 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A conductive paste composition, comprising a conductive powder (A) and a resin component (B), wherein a silver-based powder containing at least silver is used as the conductive powder (A), at least one of a thermosetting resin and a thermoplastic resin is used as the resin component (B), and the conductive paste composition further contains an ester-based compound (C) or an ether/amine-based compound (D), the ester-based compound (C) having an ester structure represented by the following general formula (1) or (2) in a molecule thereof and having a molecular weight within a range of 150 to 2000,

OG Complex Work Unit Chemistry
in which either one of X1 and X2 in the ester structure of the above general formula (1) or (2) represents Cl or Br, and the other one represents Cl, Br, H, or OH, and the ether/amine-based compound (D) having an ether structure represented by the following general formula (3) or an amine structure represented by the following general formula (4) in a molecule thereof and having a molecular weight within the range of 150 to 30,000,

OG Complex Work Unit Chemistry
in which Y in the ether structure of the above general formula (3) or the amine structure of the above general formula (4) represents either one of alcohol structures represented by the following general formulae (5A) and (5B),

OG Complex Work Unit Chemistry
Z in the amine structure of the above general formula (4) is either one of the alcohol structures represented by the general formulae (5A) and (5B), or a hydrogen atom (H), and X in the general formulae (5A) and (5B) each independently represent Cl or Br.