Organofunctional Silane Adhesion Promoters: Fundamentals
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Organofunctional Silane Adhesion Promoters: Fundamentals

 Export to Your Calendar 7/15/2020
When: July 15, 2020
10:00 am
Where: Live Webinar
United States
Presenter: Andreas Wolf, A&S SciTech Consulting
Contact: Martha Mittelstaedt
(301) 986-9700 x1103


Online registration is available until: 7/15/2020
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Webinar Time: July 15, 2020; 10:00 AM - 11:00 AM ET (including Q&A)


Webinar Description:

Adhesion promoters, or coupling agents, act as molecular bridges at the interface between a polymer and a substrate to enhance adhesion between the two materials. The type of adhesion promoters considered in this webinar are difunctional or multifunctional reactive silanes that contain both organofunctional and hydrolyzable groups. These organosilanes are applied as primers to the substrate or are added to the adhesive or sealant formulation in order to achieve self-priming adhesion characteristics.

The art and technology of adhesion promotion resides in the chemical design of the adhesion promoter molecule based on its affinity for the substrate and for the applied adhesive or sealant. When formulated into an adhesive or sealant, multiple (and competing) reaction and diffusion mechanisms have a major influence on the effectiveness of the adhesion promoter. Ideally, the interfacial bridge formed by the adhesion promoter will improve the initial joint strength and prevent delamination of the adhesive or sealant from the substrate, even when exposed to water or other weathering influences.

This first webinar will cover organosilane adhesion promoter fundamentals including basic chemistry and functions, theories of adhesion promotion, and promoter selection. The second webinar on July 22 will cover the use of these promoters including efficacy and recent developments.

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