Dynasylan® 1189

Dynasylan® 1189 is a bifunctional silane possessing a reactive secondary amine and hydrolyzable methoxysilyl groups.
The dual nature of its reactivity allows Dynasylan® 1189 to bind chemically to both inorganic materials (e.g. glass, metals, fillers) and organic polymers (e.g. thermosets, thermoplastics and elastomers) thus functioning as an adhesion promoter or as a surface modifier and can be used for the chemical modification of suitable organic prepolymers.
Dynasylan® 1189 is a colorless to slightly yellow – greenish liquid with a light amine-like odor which is, for example, soluble in alcohols, and aliphatic or aromatic hydrocarbons.

Typical Applications

Dynasylan® 1189 has many important applications.
Examples include:
- as a primer or an additive, and for the chemical modification of NCO-modified prepolymers in adhesives and sealants
- as a high flexible adhesion promoter in SMP-systems
- as an additive to phenolic, furan and melamine resins used in foundry resins
- for pretreatment of fillers and pigments used in mineral-filled polymers
- as a primer and an additive for improving the adhesion of paints and coatings to substrates
- as a size constituent or finish for glass fiber/glass fabric composites

Benefits at a glance

- increased flexural strength, tensile strength, impact strength and modulus of elasticity
- improved moisture and corrosion resistance

Product Details

Further Information

Packaging:

Dynasylan® 1189 is supplied in 25 kg pails, 190 kg drums and 800 kg containers.

Shelf life:

In the unopened container Dynasylan® 1189 has a shelf life of min. 12 months from delivery.