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Carbon-based conductive ink filler and preparation method thereof

A conductive ink and carbon-based technology, applied in inks, household utensils, applications, etc., can solve the problems of high metal prices, poor dispersion, and affecting the conductive uniformity of conductive inks, so as to improve conductive uniformity and good conductivity Effect

Inactive Publication Date: 2020-05-15
SUZHOU ZHONGYA INK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, metal and polymer conductive fillers are mainly used. Among them, the price of metal is too high, and the conductivity of polymer conductive fillers cannot meet the requirements of use.
Moreover, the existing conductive fillers are directly added to the connecting resin in large quantities, and the dispersion is not good, which affects the conductive uniformity of the conductive ink.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The invention discloses a carbon-based conductive ink filler, the preparation method of which is:

[0021] Calculated by 100kg, take epoxidized polybutadiene resin 50kg and put it into the dispersion kettle, then take by weighing 20kg graphene and join it in the dispersion kettle, stir with a stirring rate of 600r / min for 30min to make the mixing uniform; then Take by weighing 20kg conductive carbon black and join in the mixture of epoxidized polybutadiene resin and graphene, then stir 30min with the stirring speed of 600r / min, make mixing;

[0022] Then take by weighing 2kg diethylethanolamine; Then take by weighing 8kg mixed solvent, be n-propyl acetate and ethylene glycol ethyl ether acetate that mix with the mass ratio of 6:4; Propyl ester and ethylene glycol ether acetate join in the mixture of above-mentioned epoxidized polybutadiene resin, graphene and conductive carbon black, stir and mix 20min with the speed of 500r / min, make stirring and mixing;

[0023] The ...

Embodiment 2

[0026] The invention discloses a carbon-based conductive ink filler, the preparation method of which is:

[0027] Calculated by 100kg, weigh 40kg of epoxidized polybutadiene resin and put it into the dispersion kettle, then weigh 30kg of graphene and add it to the dispersion kettle, and stir for 60min at a stirring rate of 300r / min to make the mixture uniform; Take by weighing 10kg conductive carbon black and join in the mixture of epoxidized polybutadiene resin and graphene, then stir 30min with the stirring rate of 600r / min, make mixing;

[0028] Then take by weighing 5kg diethylethanolamine; Then take by weighing 15kg mixed solvent, be n-propyl acetate and ethylene glycol ethyl ether acetate that mix with the mass ratio of 7:3; Propyl ester and ethylene glycol ether acetate join in the mixture of above-mentioned epoxidized polybutadiene resin, graphene and conductive carbon black, stir and mix 30min with the speed of 500r / min, make stirring and mixing;

[0029] The mixed m...

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Abstract

The invention discloses a carbon-based conductive ink filler and a preparation method thereof. The carbon-based conductive ink filler comprises the following components by mass percentage: 40-50% of epoxy resin, 20-30% of graphene, 10-20% of conductive carbon black, 2-5% of a hyperdispersant and 8-15% of a mixed solvent, and the total mass percentage is 100%. According to the invention, graphene and conductive carbon black are used as conductive additives, the graphene and the conductive carbon black are compounded with the epoxy resin under the action of the hyperdispersant and the compositesolvent, so that the graphene in the prepared carbon-based conductive ink filler can enable the conductivity of the ink to be better on one hand, and on the other hand, the conductive performance complementation is realized by compounding the conductive carbon black and the graphene, thereby achieving the most ideal conductive effect; and the conductive ink can be better dispersed in the connecting resin, so that the conductive uniformity of the conductive ink is improved.

Description

technical field [0001] The invention relates to the field of conductive fillers, in particular to a carbon-based conductive ink filler and a preparation method thereof. Background technique [0002] With the continuous development of science and technology, people's demand for electronic products is increasing, and flexible circuit boards will be used in electronic products, and conductive ink needs to be printed on the circuit board to achieve conductivity. Fillers in conductive inks play a key role in the conductivity of inks, and the choice of conductive fillers affects the conductivity of conductive inks. [0003] At present, metal and polymer conductive fillers are mainly used. Among them, the price of metal is too high, and the conductivity of polymer conductive fillers cannot meet the requirements of use. Moreover, the existing conductive fillers are directly added to the connecting resin in large quantities, and the dispersibility is not good, which affects the cond...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/52C09D11/102C09D11/033
CPCC09D11/033C09D11/102C09D11/52
Inventor 徐晓花
Owner SUZHOU ZHONGYA INK
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