BRB Introduces Silane for Improved Adhesion and Coupling

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BRB International introduces BRB Silanil® 505, a silane with bifunctional properties. Silanes are becoming increasingly complex and versatile in their applications due to their bifunctionality.

BRB Silanil® 505 is an example of this. With two amino groups in its structure, it could serve as an adhesion promoter, and the three ethoxy groups give it coupling agent properties. Due to the ethoxy groups, BRB Silanil® 505 will release ethanol when it autocatalytically hydrolyzes in the presence of moisture.


Enhancing Adhesion to Metal and Glass:

BRB Silanil® 505 can be used in mineral-filled composites to improve mechanical properties and has also proven to be an additive for foundry resins. As an adhesion promoter, due to the presence of two amino groups, it is an additive for improving adhesion to inorganic substrates such as metal or glass.


The bifunctionality is what makes it possible to bind both inorganic and organic polymers by forming a molecular bridge between the two substrates. BRB Silanil® 505 will react as a strong base due to the two amino groups in its structure.


Source: BRB International / polymer-additives.specialchem.com

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