Silane coupling agent


There are generally three methods for the application of silane coupling agents:


One is a surface treatment agent as a skeleton material;
The second is to add to the adhesive;
The third is to directly add to the polymer material.


The first two methods are better from the perspective of giving full play to their effectiveness and reducing costs.


The application of silane coupling agents can be roughly summarized into three aspects:
Processing glass
Fiber surface
Improve the adhesion of glass fiber and resin, greatly improve the strength, electrical, water resistance, weather resistance and other properties of glass fiber reinforced composite materials. Even in the wet state, it has a significant effect on the mechanical properties of the composite material. At present, the use of silane coupling agents in glass fibers has become quite common. The silane coupling agent used in this aspect accounts for about 50% of the total consumption, and the most used varieties are vinyl silane, amino silane, Methacryloxysilane or the like.


Inorganic filler
Filled plastic


The filler may be surface treated in advance or added directly to the resin. It can improve the dispersibility and adhesion of the filler in the resin, improve the process performance and improve the mechanical, electrical and weather resistance properties of the filled plastics (including rubber).


Sealing agent, adhesive, coating tackifier
Improve their bonding strength, water resistance, weather resistance and other properties. Silane coupling agents often solve the problem that certain materials have not been able to bond for a long time.