Binder

Dynasylan® A

Dynasylan® A is the ethyl ester of orthosilicic acid. In the literature it is frequently also referred to under the name TEOS (tetraethoxysilane). Dynasylan® A is a colourless, low-viscosity liquid with SiO₂ content of 28.5%. Use requires acid- or alkali-catalysed hydrolysis. Since all 4 ethoxy groups are able to participate in this reaction, Dynasylan® A is regarded as tetrafunctional. Hydrolysis leads to silanol groups which, in a subsequent condensation reaction, form very stable siloxane bonds (-Si-O-Si-). Condensation starts before hydrolysis is complete. During storage of these hydrolysates condensation continues until a gel is formed. The rate of gelation depends on the concentration of water.

Product information

Type

Binder

Sub type

Silane

Markets

Technologies

High solids (solventborne)
Solventborne
Solventfree

Manufacturer

Dynasylan Logo

Availability

Coatino Campus

Additive solutions for HS, UHS, SF coatings

Recorded Webinar: Evonik coating additive portfolio for high solid, ultra high solid and solvent-free systems.

Coatino Campus

Surface Week 1: Metal Coatings

Recorded Webinar: We were delighted to offer a joint webinar with  Synthomer, one of the world’s leading suppliers of sustainable water-based and differentiated polymer solutions.

This webinar has focused on the importance of pre-treatment of metal surfaces. The session has coved the application of 1K anti-corrosion primers and direct-to-metal (DTM) coatings, highlighting their benefits in protecting against environmental factors. Additionally, we have discussed the film formation process and common surface defects that can impact performance.

This webinar was part of the Surface Weeks. 

Coatino Campus

Sustainable Marine & Protective Coatings

Recorded Webinar: The Importance of Sustainable Solutions: Defoaming, Anti-Corrosion, and Anti-Fouling effect for Marine & Protective Coatings. During this live webinar we had focused on various sustainable topics for Marine & Protective Coatings.