Printing silver paste for touch screen and preparation method thereof
By introducing MXene nanosheets, silver composite materials and modified polyurethane resin into the touch screen silver paste, the problems of high silver powder usage and unstable conductivity at high temperatures were solved, achieving cost reduction and performance improvement, especially improved conductivity and adhesion.
Patent Information
- Application Number
- CN202411586929.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2044-11-08
AI Technical Summary
The high amount of silver powder used in existing touch screen silver paste leads to high costs and unstable conductivity at high temperatures. It is necessary to find alternative materials with lower costs and better conductivity, while improving the adhesion of silver paste and its conductivity stability at high temperatures.
MXene nanosheets and silver composite materials are used as conductive fillers, and modified polyurethane resin is used as the bonding phase to prepare printed silver paste for touch screens. The high conductivity of MXene nanosheets and the adhesion and fluidity of modified polyurethane resin are utilized to reduce the amount of silver powder used and improve the conductivity, adhesion and thermal stability of the silver paste.
It reduces production costs, improves the conductivity and adhesion of silver paste, enhances mechanical strength and thermal stability, and ensures that excellent conductive properties can be maintained under high temperature conditions.