US 12,443,103 B2
Conductive composition and method for manufacturing same, and conductor and method for manufacturing same
Saki Nakano, Tokyo (JP); Yoshiko Irie, Tokyo (JP); Masashi Uzawa, Tokyo (JP); and Akira Yamazaki, Tokyo (JP)
Assigned to Mitsubishi Chemical Corporation, Tokyo (JP)
Filed by Mitsubishi Chemical Corporation, Tokyo (JP)
Filed on Apr. 29, 2021, as Appl. No. 17/244,174.
Application 17/244,174 is a continuation of application No. PCT/JP2019/044060, filed on Nov. 11, 2019.
Claims priority of application No. 2018-214904 (JP), filed on Nov. 15, 2018.
Prior Publication US 2021/0261765 A1, Aug. 26, 2021
Int. Cl. G03F 7/09 (2006.01); B01J 20/291 (2006.01); C08G 73/02 (2006.01); C08L 25/18 (2006.01); C08L 65/00 (2006.01); C08L 79/02 (2006.01); C08L 101/12 (2006.01); C09D 179/02 (2006.01); G01N 21/64 (2006.01); G01N 21/65 (2006.01); G01N 30/86 (2006.01); G03F 7/004 (2006.01); G03F 7/039 (2006.01); G03F 7/40 (2006.01); H01B 1/12 (2006.01); H01B 1/20 (2006.01); H01B 5/14 (2006.01)
CPC G03F 7/093 (2013.01) [C08G 73/0266 (2013.01); C08L 25/18 (2013.01); C08L 65/00 (2013.01); C08L 79/02 (2013.01); C08L 101/12 (2013.01); C09D 179/02 (2013.01); G01N 21/64 (2013.01); G01N 21/65 (2013.01); G01N 30/8606 (2013.01); G01N 30/8613 (2013.01); G03F 7/0045 (2013.01); G03F 7/0392 (2013.01); G03F 7/40 (2013.01); H01B 1/127 (2013.01); H01B 1/128 (2013.01); H01B 1/20 (2013.01); H01B 5/14 (2013.01); B01J 20/291 (2013.01); C08L 2201/04 (2013.01); G01N 2021/6417 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A conductive composition, comprising:
a purified mixture of a conductive polymer (A) and a basic compound (B), wherein the conductive polymer (A) comprises, in polymerized form, in a range of from 20 to 100 mol. % relative to all repeating units, phenylene vinylene, vinylene, thienylene, pyrrolylene, phenylene, iminophenylene, isothianaphthene, furylene, and/or carbazolylene, each having its α position or β position substituted with at least one group selected from the group consisting of a sulfonic acid group and a carboxylic acid group, wherein the basic compound (B) comprises a quaternary ammonium compound (b-1), a basic compound (b-2) comprising a nitrogen atom other than the quaternary ammonium compound (b-1), and/or a basic compound (b-3) comprising a basic group, a first hydroxy group, and a second hydroxy group in the same molecule, and having a melting point of 30° C. or higher,
wherein the basic compound (B) is present in the conductive composition in a range of from 0.1 to 1 mol equivalent, with respect to 1 mol of units having an acidic group in the conductive polymer (A),
wherein the conductive polymer (A) is at least partially neutralized with the basic compound (B) and forms a salt between the sulfonic acid group and/or carboxylic acid group and the basic compound (B),
wherein an X/Y area ratio is 0.046 or less as calculated by an evaluation method comprising:
(I) preparing a test solution by dissolving the conductive composition in an eluent having a pH adjusted to 10 or more so as to adjust a solids content of the conductive polymer (A) to 0.1% by mass,
(II) measuring a molecular weight distribution of the test solution using a polymer material evaluation device equipped with a gel permeation chromatograph to obtain a chromatogram,
(III) converting retention times into sodium polystyrene sulfonate-equivalent molecular weight values (M) with respect to the chromatogram obtained in the measuring (II),
(IV) determining an area (X) of a region corresponding to sodium polystyrene sulfonate-equivalent molecular weight values (M) in a range of from 300 to 3300,
(V) determining an area (Y) of an entire region ascribed to the conductive polymer (A) in terms of the sodium polystyrene sulfonate-equivalent molecular weight values (M), and
(VI) obtaining the X/Y area ratio of the area (X) to the area (Y).