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High-temperature sintering heating conductive ink and preparation method of high-temperature sintering heating conductive ink

A conductive ink, high-temperature sintering technology, applied in the direction of ink, heating element materials, sustainable manufacturing/processing, etc., can solve the problems of low working temperature of electric energy conversion heat energy, lack of far-infrared function, and inability to be used as high resistance to achieve heat generation Fast speed, wide application range, and wide controllable heating temperature range

Inactive Publication Date: 2017-12-22
王雨生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, silver-based conductive inks still have various disadvantages, such as high cost, low operating temperature (below 150°C) for converting electrical energy into heat energy, poor heating uniformity, no far-infrared function, and cannot be used as high resistance, etc. , so there are still some limitations in the application in the market

Method used

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  • High-temperature sintering heating conductive ink and preparation method of high-temperature sintering heating conductive ink
  • High-temperature sintering heating conductive ink and preparation method of high-temperature sintering heating conductive ink

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specific Embodiment

[0037] In order to simplify the description, the components and ratios of the high-temperature sintering heat-generating conductive inks in Example 1 to Example 5 are listed in Table 1.

[0038] Table 1. Component composition and mass ratio of high-temperature sintering heat-generating conductive ink in Example 1 to Example 5

[0039]

[0040]

[0041] The preparation method of the high-temperature sintering heat-generating conductive ink in the corresponding embodiment is as follows:

Embodiment 1

[0043] Weigh each component according to the composition and mass ratio of the high-temperature sintering heat-generating conductive ink in Table 1;

[0044] Add graphene, copper chrome black, tourmaline powder, glass powder, corresponding resin and corresponding additives to the corresponding solvent, fully stir, and ultrasonically disperse. Specifically, the ultrasonic dispersion operation conditions are: frequency is 30k, power is 600w, The dispersion time is 12 hours; then a ball mill is used for ball milling, the operating condition is that the speed of the ball mill is 2000 rpm, and the ball milling time is 12 hours; then it is ground with a three-roller machine until the fineness of the ink slurry is below 15 μm, and then filtered to obtain High temperature sintering heating conductive ink.

Embodiment 2

[0046] Weigh each component according to the composition and mass ratio of the high-temperature sintering heat-generating conductive ink in Table 1;

[0047] Add graphene, copper chrome black, tourmaline powder, glass powder, corresponding resins and corresponding additives to the corresponding solvent, fully stir, and ultrasonically disperse. Specifically, the ultrasonic dispersion operation conditions are: frequency of 20k, power of 200w, The dispersion time is 24 hours; then the ball mill is used for ball milling, the operating condition is that the speed of the ball mill is 2000 rpm, and the ball milling time is 48 hours; then the three-roll machine is used to grind the ink slurry until the fineness of the ink slurry reaches 15 μm or less, and then filter to obtain the corresponding High temperature sintering heating conductive ink.

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Abstract

The invention belongs to the technical field of conductive inks, and particularly relates to a high-temperature sintering heating conductive ink and a preparation method of the high-temperature sintering heating conductive ink. The ink comprises the following components of graphene, copper chromite black, a tourmaline powder, a glass powder, a resin, an auxiliary and a solvent at the mass ratio of (23-33):(1.5-5.5):(1.5-5.5):(30-40):(15-25):(0.2-0.8):(7.4-11.4). The preparation method comprises the following steps: adding the graphene, the copper chromite black, the tourmaline powder, the glass powder, the resin and the auxiliary into the solvent according to the composition and the proportion of the formula, fully stirring, conducting ultrasonic dispersion, grinding, and filtering to obtain the high-temperature sintering heating conductive ink. The efficiency of transforming electric energy into heat of the conductive ink is high, the heating is fast, the controllable range of the resistance is wide, the controllable temperature range of heating is wide, the conductive ink has the far infrared function, the application process in the later period is simple, the scope of application is wide, and the conductive ink has a broad market prospect.

Description

Technical field [0001] The invention belongs to the technical field of conductive inks, and specifically relates to a high-temperature sintering heat-generating conductive ink and a preparation method thereof. Background technique [0002] With the advancement of technology, special printing inks are undergoing rapid changes. Conductive ink is a kind of special printing ink. It relies on the trend of various electronic products towards high precision, high density, high reliability and fine technology. In recent years, it has been used in printed circuits, membrane switch panels, electroplating bottom layers, keyboard contacts, Flexible conductive cables, electronic shielding, far-infrared heating, and radio frequency identification (RFID) are used more and more widely. [0003] Conductive ink is a paste ink, mainly composed of conductive filler, binder, solvent and auxiliary agent. The conductive material in the conductive ink is usually metal powder, such as gold, silver, coppe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/52C09D11/03C09D11/30C09D11/38H05B3/12
CPCC09D11/03C09D11/30C09D11/38C09D11/52H05B3/12Y02P20/10
Inventor 王雨生
Owner 王雨生
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