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Conductive ink for adjusting power and preparation method and application thereof

A technology of conductive ink and power adjustment, applied in the direction of ink, application, household appliances, etc., can solve the problem that conductive ink cannot produce good results, and achieve the effect of ensuring performance, saving costs, and reducing temperature control components

Active Publication Date: 2015-11-25
张贤波
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the ink with PTC function has the function of automatic constant temperature, which saves equipment cost by reducing the temperature control components, and has the advantages of energy saving. The research on conductive ink with power adjustment has also become the focus of many heating element manufacturers and many scientific research institutions. research topic, but the conductive inks currently available for adjusting power still cannot produce good results

Method used

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  • Conductive ink for adjusting power and preparation method and application thereof
  • Conductive ink for adjusting power and preparation method and application thereof
  • Conductive ink for adjusting power and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A conductive ink for regulating power, comprising the following components:

[0035]

[0036] The preparation method of the conductive ink for regulating power is as follows:

[0037] 1. Mix highly conductive carbon black into highly crystalline high-density polyethylene, and make granules after thorough mixing at a high temperature of 200°C.

[0038] 2. Cross-link the prepared particles through nuclear irradiation, so that carbon black and high-density polyethylene can be stably cross-linked and prevent carbon black from migrating. If the carbon black migration will cause the product to undergo irreversible changes in electrical conductivity during high and low temperature cycles.

[0039] 3. Pulverize the cross-linked particles with a pulverizer to achieve an average particle size of less than 1 mm.

[0040] 4. Grind the particles with an average particle size of less than 1 mm to 0.2-200 microns with a jet mill.

[0041] 5. Put the pulverized micropowder into a...

Embodiment 2

[0045] A conductive ink for regulating power, comprising the following components:

[0046]

[0047] The preparation method of the conductive ink for regulating power is as follows:

[0048] 1. Mix highly conductive carbon black into highly crystalline high-density polyethylene, and make granules after thorough mixing at a high temperature of 200°C.

[0049] 2. Cross-link the prepared particles through nuclear irradiation, so that carbon black and high-density polyethylene can be stably cross-linked and prevent carbon black from migrating. If the carbon black migration will cause the product to undergo irreversible changes in electrical conductivity during high and low temperature cycles.

[0050] 3. Pulverize the cross-linked particles with a pulverizer to achieve an average particle size of less than 1 mm.

[0051] 4. Grind the particles with an average particle size of less than 1 mm to 0.2-200 microns with a jet mill.

[0052] 5. Put the crushed micropowder into a mi...

Embodiment 4-6

[0061] Each embodiment prescription is as follows: preparation method is the same as embodiment 1

[0062]

[0063] In conclusion, the conductive inks for adjusting power prepared in Examples 4-6 all have PTC performance.

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Abstract

The invention relates to a conductive ink for regulating power as well as a preparation method and application of the conductive ink. The conductive ink comprises the following components in percentage by mass: 4-50% of conductive material, 8-30% of polyolefin jointing material, 40-86% of organic solvent and 2-15 parts of auxiliary material. The conductive ink for regulating power has the advantages of PTC (Positive Temperature Coefficient) function, automatic constant temperature, cost reduction because of temperature control element reduction, energy saving and the like.

Description

【Technical field】 [0001] The invention belongs to the technical field of ink materials, and in particular relates to a power-regulating conductive ink and its preparation method and application. 【Background technique】 [0002] Conductive ink is a special ink with conductive properties. It is a conductive composite material formed by dispersing conductive particles (silver, copper, carbon, etc.) in the binder. It is printed on the substrate and cured to form a film. Some effect. Conductive ink is an important electronic material and has a huge market in our country. [0003] Among them, the electric heating element made of conductive ink with adjustable power has the function of automatically increasing the resistance, reducing the current, and reducing the power as the temperature rises. It can greatly improve the temperature uniformity of the heating element, can generate heat quickly and with high power at low temperature, and can minimize the power when reaching the set...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/52
Inventor 张贤波
Owner 张贤波
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