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Antioxidant low-corrosion low-temperature-curing conductive ink

A conductive ink, low-corrosion technology, applied in the direction of ink, household utensils, applications, etc., can solve the problem of conductive ink plastic corrosion, etc., to achieve the effect of low yellowing and excellent conductivity

Inactive Publication Date: 2019-12-20
佛山市顺德区百锐新电子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides an anti-oxidation and low-corrosion low-temperature curing conductive ink to at least solve the problem that conductive inks are easy to corrode plastics in the prior art

Method used

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  • Antioxidant low-corrosion low-temperature-curing conductive ink

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Embodiment 1

[0024] Embodiment 1 of the present invention conductive ink is made up of the raw material of following weight ratio: 45 weight parts of resin intermediate, 4 weight parts of ethylene glycol butyl ether acetate, 5 weight parts of ethylene glycol butyl ether, 1 weight part of tris[2.4- Di-t-butylphenyl] phosphite, 0.5 parts by weight 2-(2'-hydroxy-5'-tert-octylphenyl) benzotriazole, 0.5 parts by weight high molecular weight polyester adhesion promoter, 43 parts by weight Part silver powder, 0.5 parts by weight dispersant, 0.5 parts by weight defoamer, the resin intermediate is made up of 80 parts by weight of hydroxyl-modified ternary vinyl chloride resin, 20 parts by weight of butyl glycol ether.

[0025] Embodiment 1 of the present invention is a conductive ink manufacturing method, comprising the following steps:

[0026] Step 1: Mix resin intermediates, solvents, antioxidants, silver powder, and additives according to the set ratio, and preheat to 30-45°C;

[0027] Step 2:...

Embodiment 2

[0030] Embodiment 2 of the present invention The conductive ink is composed of the following raw materials in parts by weight: 55 parts by weight of resin intermediate, 10 parts by weight of solvent, 1 part by weight of tris[2.4-di-tert-butylphenyl] phosphite, 0.5 parts by weight of 2 -(2'-hydroxyl-5'-tert-octylphenyl)benzotriazole, 0.5 parts by weight of high molecular weight polyester adhesion promoter, 50 parts by weight of silver powder, 0.5 parts by weight of dispersant, 0.5 parts by weight of defoamer , the resin intermediate is composed of 60 parts by weight of carboxyl-modified terpolymer resin and 40 parts by weight of butyl glycol ether.

[0031] Embodiment 2 of the present invention is a conductive ink manufacturing method, comprising the following steps:

[0032] Step 1: Mix resin intermediates, solvents, antioxidants, silver powder, and additives according to the set ratio, and preheat to 30-45°C;

[0033] Step 2: Place the mixture obtained in Step 1 in a high-sp...

Embodiment 3

[0036] Embodiment 3 of the present invention Conductive ink is made up of the raw material of following weight ratio: resin intermediate 75 weight parts, solvent 25 weight parts, 1 weight part tris [2.4-di-tert-butylphenyl] phosphite, 0.5 weight part 2 -(2'-hydroxyl-5'-tert-octylphenyl)benzotriazole, 0.5 parts of high molecular weight polyester adhesion promoter, 20 parts by weight of silver powder, 0.5 parts by weight of dispersant, 0.5 parts of defoamer, The resin intermediate is composed of 40 parts by weight of hydroxy-modified ternary chloroacetic resin, 40 parts by weight of carboxy-modified ternary chloroacetic resin, and 20 parts by weight of ethylene glycol butyl ether.

[0037] Embodiment 3 of the present invention The method for making conductive ink comprises the following steps:

[0038] Step 1: Preheat the resin intermediate to 30-45°C, and disperse evenly in a high-speed shearing disperser under the condition of 500-1200r / min, and mix the resin intermediate, sol...

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Abstract

The invention discloses an antioxidant low-corrosion low-temperature-curing conductive ink. A formula of the antioxidant low-corrosion low-temperature-curing conductive ink comprises, by weight, 30 to75 parts of a resin intermediate, 4 to 25 parts of a solvent, 0.5 to 5 parts of an antioxidant, 10 to 50 parts of silver powder and 0.5 to 5 parts of an auxiliary agent; the resin is hydroxyl or carboxyl modified ternary vinyl chloride-vinyl acetate resin, the molecular weight ranges from 15000 to 65000, and K ranges from 35 to 60; the solvent is selected from one or more of diethylene glycol butyl ether acetate, diethylene glycol butyl ether, ethylene glycol, ethylene glycol butyl ether acetate, ethylene glycol butyl ether, 1, 4-butanediol, triethylene glycol butyl ether, tripropylene glycol, diethylene glycol, tripropylene glycol butyl ether, 3-methoxy-3-methyl-1-butanol and dipropylene glycol methyl ether; and the resin intermediate is a resin diluted by the solvent. The phenomenon that the surface of a conductive ink paint film is gradually yellowed is effectively changed, the bottom biting defect of conductive ink on plastic films such as PVC, PC, ABS and PMMA can be prevented, and the product quality is effectively improved.

Description

technical field [0001] The invention relates to a conductive ink, in particular to an oxidation-resistant and low-corrosion low-temperature curing conductive ink. Background technique [0002] Conductive inks cured at low temperature are widely used in display screens, membrane switches, flexible circuits and other electronic components, making it possible to make electronic products thinner and smarter. However, with the development of electronic products such as foldable mobile phones and curved TVs that have been vigorously promoted on the market in recent years, there is a higher demand for the performance of flexible screens and flexible circuits, which in turn requires the conduction that plays a key role in such electronic components. Inks put forward higher performance requirements. [0003] Traditional conductive ink or conductive silver paste is usually printed on such as PET (polyethylene terephthalate plastic), silica gel, PP (polypropylene plastic), PE (polyeth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/52C09D11/03C09D11/106
CPCC09D11/03C09D11/106C09D11/52
Inventor 何伟雄黄大凯肖海明吴依阳
Owner 佛山市顺德区百锐新电子材料有限公司
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