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Dispersed carbon-coated metal particles, articles and uses

A metal particle, carbon coating technology, used in coatings, applications, household appliances, etc., to achieve the effect of electroless plating activity improvement

Active Publication Date: 2017-05-31
EASTMAN KODAK CO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, known dispersants have not been readily adapted to specific particles to minimize settling and interparticle interactions that can undesirably increase the viscosity of a given composition

Method used

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  • Dispersed carbon-coated metal particles, articles and uses
  • Dispersed carbon-coated metal particles, articles and uses
  • Dispersed carbon-coated metal particles, articles and uses

Examples

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example

[0355] Example of Article Invention: Use of Non-aqueous Photocurable Composition to Provide Patterned Article

[0356] The present examples demonstrate the use of the non-aqueous photocurable compositions of the present invention for the manufacture of precursor articles having photocurable patterns on suitable substrates.

[0357] To print the non-aqueous photocurable compositions of the present invention (as described below), a flexographic printing unit has been used with a resolution of 12,800 dpi using Kodak Square Spot (Kodak Square Spot) laser technology. A sample of a commercially available Kodak Flexcel NX flexographic printing plate precursor (Eastman Kodak Company) was imaged with a predetermined pattern written at a rate. The flexographic printing plate precursors were UV exposed and treated (developed) using known conditions recommended by the manufacturer for these flexographic printing parts. The resulting flexographic printing plate was 1.14 mm thick (includin...

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Abstract

A non-aqueous composition contains dispersed carbon-coated metal particles in an organic diluent in an amount of at least 10 weight %. The dispersed carbon-coated metal particles have a median diameter equal to or less than 0.6 [mu]m, and are dispersed using a particle dispersing agent that has a weight average molecular weight (Mw) of at least 2,000 and up to and including 100,000 and comprises nitrogen-containing units. The median diameter of the dispersed particles is determined using a dynamic light scattering method. Moreover, when the non- aqueous composition contains up to and including 25 weight % of the dispersed carbon-coated metal particles, it exhibits no visual settling when subjected to a settling test of at least 24 hours at 20 DEG C. Such non-aqueous compositions can include photocurable components and are useful to prepare photocurable and photocured electrically-conductive patterns and layers in various articles, including touch screen devices having touch screen displays.

Description

technical field [0001] The present invention relates to non-aqueous compositions containing dispersed carbon-coated metal particles and a uniquely selected particle dispersant. The present invention also relates to non-aqueous photocurable compositions containing these dispersed carbon-coated metal particles and a particle dispersant. These non-aqueous photocurable compositions can be used to provide seed metal catalysts for electroless plating processes designed to provide patterns of conductive materials. Background technique [0002] Rapid progress is being made in various electronic devices, especially display devices for various communication, financial and archival purposes. Conductive films are necessary for applications such as touch screen panels, electrochromic devices, light emitting diodes, field effect transistors, and liquid crystal displays, and efforts are being made in the industry to improve the properties of these conductive films. [0003] In particular...

Claims

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Application Information

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IPC IPC(8): C09D11/03C09D11/38C09D11/037C09D179/02C09D133/14C09D179/04C09D179/08C09D4/02C08F222/10H05K1/00
CPCC08F222/10C09D4/00C09D11/03C09D11/037C09D11/38C09D133/14C09D179/02C09D179/04C09D179/08H05K1/00C09D7/20
Inventor 凯伦·M·柯西达盖瑞·L·史雷特玛莉·克里斯廷·布理克克里斯廷·乔安·蓝卓-考特兰詹姆斯·阿尔贝特·雷切克
Owner EASTMAN KODAK CO
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