Specific applications of silane coupling agents

Here are some specific applications for users' reference:

Pre treatment filling method:

Place the filler into a solid mixer (such as a high-speed solid mixer HENSHEL or V-shaped solid mixer), and spray the silane solution directly onto the filler and stir. The higher the speed, the better the dispersion effect. Usually stirred at 10&-30 minutes (the slower the speed, the longer the time), after filling treatment, it should be dried at 120 degrees Celsius (2 hours).

Water solution:

(Fiberglass surface treatment agent): Fiberglass surface treatment agents often contain film-forming agents, anti-static agents, surfactants, coupling agents, and water. The dosage of coupling agent is generally 0.3% of the total amount of glass fiber surface treatment agent—2%， First, adjust the pH value of the 5-fold aqueous solution to a certain value using organic acid or salt. With thorough stirring, add silane until transparent, and then add the remaining components. For insoluble silane, isopropanol can be used as a solubilizer. During the drawing process, spray the glass fiber surface treatment agent onto the glass fiber and dry it to remove the solvent and moisture.

Bottom method:

Take 5%&A solution of 20% silane coupling agent, as described above, is applied, brushed, sprayed, and impregnated to treat the surface of the substrate. It is then taken out and dried at room temperature for 24 hours, preferably baked at 120 ℃ for 15 minutes.

Direct joining method:

Silane can also be directly added to the mixture of fillers/resins. When the resin and fillers are mixed, silane can be sprayed directly into the mixture. The amount of coupling agent is generally 0.1% of the amount of filler used—2%， (determined by the diameter size of the filler). Then mold (extrusion, compression molding, coating, etc.) the resin/filler with added silane.