Conductive ink is a kind of special ink. It can add conductive carrier to UV ink, flexographic water-based ink or special offset ink to make the ink conductive.
Conductive inks are mainly composed of conductive fillers (including metal powders, metal oxides, non-metals, and other composite powders), linkers (mainly synthetic resins, photosensitive resins, low-melting-point organic glasses, etc.), additives (mainly dispersants, and adjustments). Agents, thickeners, plasticizers, lubricants, inhibitors, etc.), solvents (mainly aromatics, alcohols, ketones, esters, alcohol ethers, etc.), conductive inks are a type of functional ink, mainly in printing. There are carbon paste, silver paste and other conductive inks.
Carbon paste ink is a liquid type thermosetting ink. It has the function of protecting copper foil and conducting current after film curing. It has good conductivity and low resistance. It is not easy to oxidize, stable performance, acid, alkali and chemical solvents. The erosion; has strong wear resistance, anti-wear, good thermal shock resistance and other characteristics.
Silver paste ink is a one-component ink composed of ultra-fine silver powder and thermoplastic resin. It can be used on PET, PT and PVC sheets. It has strong adhesion and hiding power, low temperature curing, and controllable conductivity. And a very low resistance value.
In addition, conductive nanometer carbon ink is added to the conductive ink made of ink, and conductive ink can also be made of metal powder (such as silver powder) into nanometer silver powder. This conductive ink is not only a printed film. Thin and uniform smooth, excellent performance, but also can save a lot of material.
In RFID printing, conductive inks are mainly used to print RFID large lines, replacing traditional metal foils produced by foil or etching methods. It has two main advantages. First of all, the traditional metal foil made by the foiling method or etching method has a complicated process and a long time for the production of the finished product. The application of the conductive ink to print the antenna is a high-speed printing method, which is efficient and fast, and is a printed antenna. The fastest and cheapest method of choice in the circuit.
Conductive inks have begun to replace etched antennas in various frequency bands, such as the ultra-high frequency bands (860 MHz to 950 MHz) and the microwave frequency band (2450 MHz), and antennas printed with conductive ink can be compared to conventionally etched copper antennas. In addition, conductive inks are also used to print sensors and circuit printed in RFID. Secondly, the traditional metal foils produced by foil-pressing or etching methods consume wasted metal materials at a high cost, while the raw material cost of conductive inks is lower than traditional metal antennas, which is of great significance for reducing the production cost of RFID. .
Conductive inks are mainly composed of conductive fillers (including metal powders, metal oxides, non-metals, and other composite powders), linkers (mainly synthetic resins, photosensitive resins, low-melting-point organic glasses, etc.), additives (mainly dispersants, and adjustments). Agents, thickeners, plasticizers, lubricants, inhibitors, etc.), solvents (mainly aromatics, alcohols, ketones, esters, alcohol ethers, etc.), conductive inks are a type of functional ink, mainly in printing. There are carbon paste, silver paste and other conductive inks.
Carbon paste ink is a liquid type thermosetting ink. It has the function of protecting copper foil and conducting current after film curing. It has good conductivity and low resistance. It is not easy to oxidize, stable performance, acid, alkali and chemical solvents. The erosion; has strong wear resistance, anti-wear, good thermal shock resistance and other characteristics.
Silver paste ink is a one-component ink composed of ultra-fine silver powder and thermoplastic resin. It can be used on PET, PT and PVC sheets. It has strong adhesion and hiding power, low temperature curing, and controllable conductivity. And a very low resistance value.
In addition, conductive nanometer carbon ink is added to the conductive ink made of ink, and conductive ink can also be made of metal powder (such as silver powder) into nanometer silver powder. This conductive ink is not only a printed film. Thin and uniform smooth, excellent performance, but also can save a lot of material.
In RFID printing, conductive inks are mainly used to print RFID large lines, replacing traditional metal foils produced by foil or etching methods. It has two main advantages. First of all, the traditional metal foil made by the foiling method or etching method has a complicated process and a long time for the production of the finished product. The application of the conductive ink to print the antenna is a high-speed printing method, which is efficient and fast, and is a printed antenna. The fastest and cheapest method of choice in the circuit.
Conductive inks have begun to replace etched antennas in various frequency bands, such as the ultra-high frequency bands (860 MHz to 950 MHz) and the microwave frequency band (2450 MHz), and antennas printed with conductive ink can be compared to conventionally etched copper antennas. In addition, conductive inks are also used to print sensors and circuit printed in RFID. Secondly, the traditional metal foils produced by foil-pressing or etching methods consume wasted metal materials at a high cost, while the raw material cost of conductive inks is lower than traditional metal antennas, which is of great significance for reducing the production cost of RFID. .
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