Dynasylan® MTMO

Technical Documents

Dynasylan® MTMO is a bifunctional organosilane possessing a reactive organic mercapto and a hydrolyzable inorganic methoxysilyl group.Acts as an adhesion promoter, crosslinking agent, surface modifier or reactive reagent. Used in adhesives and sealants.

Details

CAS

4420-74-0

Product Type

Additive > Surface conditioners
Additive > Crosslinking coupling curing agents > Silanes
Additive > Adhesion promoters > Organofunctional Silanes

Recommended for

Polymer > Polysulfides
Polymer > PVC
Resin > Polyurethanes

Applications

Adhesives
Adhesives > Sealants
Composites

Producer

Evonik

Supplier

Evonik Iran > Silans

Chemical Composition

3-mercaptopropyltrimethoxysilane

Advantages
  • improved flexural strength, tensile strength, impact strength,tear strength
  • improved modulus of elasticity
  • improved moisture and corrosion resistance
  • improved electrical properties like dielectric constant, volume resistivity
  • improved cure time
  • improved adhesion
  • better filler dispersion
  • improved rheological behavior like viscosity reduction
  • higher filler loading
  • increased thermal resistivity
Other Applications

glass composites: as a finish or a size ingredient
glass and metal primer
sealants and adhesives: as a primer, additive, or for chemical modification of the polymer
mineral filled polymers: for pretreatment of fillers and pigments or as an additive
crosslinking of polymers

Handling

Dynasylan® MTMO is listed on DSL/NDSL, PICCS, TSCA, IECS, ENCS, ECL, EINECS/ELINCS and AICS.

Technical data

Quantity Value Unit Comment
Appearance Properties
Refractive index 1.445 DIN51423; 20,D
Appearance
Physical state Fluid
Physical Properties
Viscosity 2.0 cP DIN53015 ;20°C
Density 1.05 - 1.06 g/ml DIN51757 ;20°C
Thermal Properties
Boling point 85 ºC DIN51356;4hPa
flash point 96 ºC DIN51758
Chemical Properties
Shelf Life >12 month
Solubility
Solubility
Solubility
Solubility
Solubility