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1. WO2007094567 - SILVER ORGANO-SOL INK FOR FORMING ELECTRICALLY CONDUCTIVE PATTERNS

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[ EN ]

Claims
[1] Silver organo-sol ink of solution type for forming electrically conductive pattern comprising effective amount of silver CO to C16 aliphatic carboxylate saturated or unsaturated, linear or branched, unsubstituted or substituted with amino, nitro and/or hydroxy group(s) having 1 to 3 carboxyl groups or silver aromatic
carboxylate defined as Formulas 1 ; and organic solvent
Formula 1



in which R R R R and R are respectively COO Ag+, H, OH, amino, nitro or Cl to C9 alkyl.
[2] Silver organo-sol ink of solution type according to claim 1, wherein said organic solvent consists of a reactive organic solvent which can form chelate or complex with silver and polar or nonpolar organic solvent for control of viscosity.
[3] Silver organo-sol ink of solution type according to claim 2, wherein said reactive organic solvent is a hydrocarbon having keton, mercapto, carboxyl, aniline or
sulfurous functional group.
[4] Silver organo-sol ink of solution type according to claim 3, wherein said
nonpolar organic solvent is an aliphatic or aromatic hydrocarbon and said polar organic solvent is water or Cl to C 12, saturated or unsaturated, mono to tri
functional aliphatic alcohol.
[5] Silver organo-sol ink of solution type according to claim 4, wherein said silver aromatic carboxylate is 5 to 70 wt% of the total silver organo-sol ink.
[6] Silver organo-sol ink of solution type according to claim 2, wherein said ink is comprising 10 to 50 wt% of silver aromatic carboxylate defined as Formulas Ia;
10 to 60 wt% of reactive organic solvent selected from the group consisting of amine substituted by one or more Cl to C6 hydroxy alkyl and Cl to C 16
aliphatic thiol, linear or branched; and residual polar or nonpolar organic solvent



in which R 1 , R2 , R3 , R4 and R 5 are resp ^ectively .7 H,> OH,> nitro or Cl to C9 alky Jl.

[7] Silver organo-sol ink of solution type according to claim 6, wherein said silver aromatic carboxylate defined as Formulas Ia is silver benzoate or silver
4-aminobenzoate.
[8] Silver organo-sol ink of solution type according to claim 2, wherein
said ink is comprising 10 to 50 wt% of silver aromatic carboxylate defined as
Formulas Ib; 10 to 60 wt% of reactive organic solvent selected from the group
consisting of amine substituted by one or more Cl to C6 hydroxy alkyl and Cl to

C16 aliphatic thiol, linear or branched; and residual polar or nonpolar organic
solvent
Formula Ib



in which one among b R 1 , R 2 , R 3 , R 4 and R 5 is COO Ag b+' and the others are re- spectively H, OH, amino, nitro or Cl to C9 alkyl.
[9] Silver organo-sol ink of solution type according to claim 8, wherein R is COO"

Ag+ and R R R and R are respectively H, OH or Cl to C9 alkyl.
[10] Silver organo-sol ink of solution type according to claim 9, wherein said silver aromatic carboxylate defined as Formulas Ib is silver phthalate.
[H] Silver organo-sol ink of solution type according to claim 2, wherein said ink is comprising comprising 10 to 50 wt% of silver aromatic carboxylate defined as Formulas Ic; 10 to 60 wt% of reactive organic solvent selected from the group
consisting of amine substituted by one or more Cl to C6 hydroxy alkyl and Cl to C16 aliphatic thiol, linear or branched; and residual polar or nonpolar organic
solvent



in which two or more among R R R R and R are COO Ag+, and the others
° 1 , 2 , 3 , 4 5 °
are respectively H, OH or Cl to C9 alkyl.
[12] Silver organo-sol ink of solution type according to claim 11, wherein R and R
are COO Ag+ and R R and R are respectively H, OH or Cl to C9 alkyl.
[13] Silver organo-sol ink of solution type according to claim 12, wherein said silver aromatic carboxylate defined as Formulas Ic is silver trimesate.
[14] Silver organo-sol ink of solution type according to any one of claiml to claim
13, wherein said silver organo-sol ink is used for electrically conductive
patterns by inkjet-printing.
[15] Silver organo-sol ink of solution type according to claim 14, wherein said silver aromatic carboxylate is 20 to 40 wt% of the total silver organo-sol ink.
[16] Silver organo-sol ink of solution type according to claim 15, wherein said
reactive solvent is ethanolamine, diethanolamine or triethanolamine.
[17] Silver organo-sol ink of solution type according to claim 1, wherein said ink is comprising effective amount of silver CO to C8 aliphatic carboxylate saturated or unsaturated, linear or branched, unsubstituted or substituted with amino, nitro
and/or hydroxy group(s) .
[18] Silver organo-sol ink of solution type according to claim 17, wherein said
aliphatic carboxylate is having 1 to 3 carboxyl groups.
[19] Silver organo-sol ink of solution type according to claim 18, wherein said ink is comprising 10 to 50 wt% of said silver aliphatic carboxylate; 10 to 60 wt% of
reactive organic solvent selected from the group consisting of amine substituted by one or more Cl to C6 hydroxy alkyl and Cl to C16 aliphatic thiol, linear or branched; and residual polar or nonpolar organic solvent [20] Silver organo-sol ink of solution type according to claim 19, wherein said silver aliphatic carboxylate is silver citrate, silver oxalate or silver formate.