IP Library Granted Patent US 7,683,107
Granted Patent B2
US 7,683,107 · App. 10/775,848 · Granted Mar 23, 2010

Ink jet printable thick film compositions and processes

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Quick Facts
Patent No.
US 7,683,107
App. No.
10/775,848
Granted
Mar 23, 2010
Kind
B2
Abstract

The present invention provides a method for the deposition of an ink jet printable composition, to a substrate comprising: depositing an ink composition on a substrate by ink jet printing; wherein said composition comprises: (a) functional material; (b) organic polymer comprising polyvinylpyrrolidone; dispersed in (c) dispersion vehicle selected from organic solvent, water, or mixtures thereof; and wherein the viscosity of said composition is between 5 mPa·s to 50 mPa·s at a temperature of 25 to 35° C.

Claims (33)

1. A method for the deposition of an ink jet printable composition, to a substrate comprising: depositing an ink composition on a substrate by ink jet printing;

wherein said composition comprises:

(a) conductive functional material;

(b) organic polymer comprising polyvinylpyrrolidone; wherein said organic polymer is present in the range of 1-10 wt. %, based on total composition dispersed in

(c) dispersion vehicle selected from organic solvent, water, or mixtures thereof and wherein the viscosity of said composition is between 5 mPa·s to 50 mPa·s at a temperature of 25 to 35° C. wherein the conductive functional material has an average particle size (D50) of 0.1 to 1.2 microns, wherein the D100 is not larger than 5 micron; and wherein said composition maintains stability for 24 hours;

(d) firing said ink jet printable composition and substrate

wherein said composition further comprises a monomer, wherein said monomer is ultraviolet curable or thermally curable and wherein said composition further comprises inorganic resinate.

2. The method of claim 1 wherein said substrate is treated to change its surface tension.

3. The method of claim 1 wherein said substrate is selected from the group consisting of glass, ceramic, and plastic.

4. The method of claim 1 wherein said inorganic resinate is silver resinate or a mixture of metal resinates.

5. The method of claim 1 wherein said composition is comprised of other polymers selected from the group consisting of polymethacrylates and polyacrylates.

6. The composition of claim 1 wherein said monomer is selected from the group consisting of triethylolpropane ethoxy triacrylate, trimethylolpropane triacrylate, pentaerythritol triacrylate, pentaaerythritol trimethacrylate, trimethylolpropane trimethyacrylate, pentaerythritol tetraacrylate, pentaerythritol tetramethacrylate, triethylene glycol diacrylate, triethylene glycol dimethacrylate, polyoxyethylated trimethylolpropane triacrylate, ethylated pentaerythritol triacrylate, dipentaerythritol monohydroxypentaacrylate and 1,10-decanediol dimethlacrylate.

7. The method of claim 1 wherein said conductive functional material is present in the range of 1-60 wt. %, based on total composition.

8. The method of claim 1 wherein said dispersion vehicle is present in the range of 40-95 wt. %, based on total composition.

9. The method of claim 1 further comprising a photoinitiator.

10. The method of claim 1 wherein said organic solvent is selected from the group consisting of aliphatic alcohols, esters of aliphatic alcohols, terpenes, ethylene glycol, esters of ethylene glycol, carbitol esters and mixtures thereof.

11. The method of claim 7 wherein the conductive functional material is present in amounts of 15%-60%.

12. A method for the deposition of an ink jet printable composition, to a substrate comprising: depositing an ink composition on a substrate by ink jet printing;

wherein said composition comprises:

(a) conductive functional material;

(b) organic polymer comprising polyvinylpyrrolidone; wherein said organic polymer is present in the range of 1-10 wt. %, based on total composition dispersed in

(c) dispersion vehicle selected from organic solvent, water, or mixtures thereof; and wherein the viscosity of said composition is between 5 mPa·s to 50 mPa·s at a temperature of 25 to 35° C. wherein the conductive functional material has an average particle size (D50) of 0.1 to 1.2 microns, wherein the D100 is not larger than 5 micron; and wherein said composition maintains stability for 24 hours;

(d) firing said ink jet printable composition and substrate

wherein said composition further comprises a monomer, wherein said monomer is ultraviolet curable or thermally curable wherein the conductive functional material is selected from the group consisting of gold, silver, copper, nickel, aluminum, platinum, palladium, molybdenum, tungsten, tantalum, tin, inum, tungsten, tantalum, tin, indium, lanthanum, gadolinium, ruthenium, cobalt, titanium, yttrium, europium, gallium, zinc, magnesium, barium, cerium, strontium, lead, antimony, and combinations thereof.

13. A method for the deposition of an ink jet printable composition, to a substrate comprising: depositing an ink composition on a substrate by ink jet printing;

wherein said composition comprises:

(a) conductive functional material wherein said conductive functional material is present in the range of 1-60 wt. %, based on total composition and wherein the conductive functional material is selected from the group consisting of gold, silver, copper, nickel, aluminum, platinum, palladium, molybdenum, tungsten, tantalum, tin, mum, tungsten, tantalum, tin, indium, lanthanum, gadolinium, ruthenium, cobalt, titanium, yttrium, europium, gallium, zinc, magnesium, barium, cerium, strontium, lead, antimony, and combinations thereof;

(b) organic polymer comprising polyvinylpyrrolidone wherein said organic polymer is present in the range of 1-10 wt. %, based on total composition; dispersed in

(c) dispersion vehicle selected from organic solvent, water, or mixtures thereof; and wherein the viscosity of said composition is between 5 mPa·s to 50 mPa·s at a temperature of 25 to 35° C. wherein the conductive functional material has an average particle size (D50) of 0.1 to 1.2 microns, wherein the D100 is not larger than 5 micron; and wherein said composition maintains stability for 24 hours;

(d) firing said ink jet printable composition and substrate

wherein said composition further comprises a monomer, wherein said monomer is ultraviolet curable or thermally curable;

(e) wherein the substrate is treated to change its surface tension prior to depositing the ink composition; and

(f) wherein the substrate is selected from the group consisting of glass, ceramic, and plastic.

Assignments (4)
CHANGE OF NAME Recorded Mar 20, 2025
From: DU PONT CHINA LIMITED
To: CELANESE MERCURY HOLDINGS INC.
Reel/Frame 070567/0231 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 20, 2022
From: DUPONT ELECTRONICS, INC.
To: DU PONT CHINA LIMITED
Reel/Frame 062173/0299 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 25, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT ELECTRONICS, INC.
Reel/Frame 049583/0269 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 14, 2004
From: YANG, HAIXIN
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 014727/0973 →