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BackAdhesives and Sealants

Gelest, Inc. supplies products for various functions in adhesive and sealant applications.  These include:

  • Adhesion promoters for both adhesive and sealant formulations to improve substrate adhesion.
  • Coupling agents for treating fillers used in adhesive and sealant formulations for improved mechanical properties.
  • Functional silicone fluids for use as silicone sealant raw materials.  A wide variety of functionalities is available including vinyl and hydride for addition cure, silanol terminated fluids for condensation cure, as well as amine, epoxy, carbinol, methacrylate and mercapto functionalities.
  • Catalysts, crosslinking agents and other modifiers for curing silicone sealants are also available.

Detailed information on the use of adhesion promoters and coupling agents, including how to select and apply a coupling agent for your application is available in Gelest’s brochure, “Silane Coupling Agents”.  Information on the applications of Gelest’s products in adhesives and sealants is available in the brochure, “Reactive Silicones”.  Both of these are available as a download or through the Literature menu.

Applicable Gelest Brochures:
Coupling Agents
Reactive Silicones

Key products:

Silane adhesion promoters:
SIA0610.0 3-Aminopropyltriethoxysilane
SIG5840.0 (3-Glycidoxypropyl)trimethoxysilane
SIM6487.3 Methacryloxypropyltriethoxysilane 
SIV9112.0 Vinyltriethoxysilane
   
Functional silicones for silicone sealants:
DMS-S45 Silanol terminated polydimethylsiloxane
DMS-V31  Vinyl terminated polydimethylsiloxane
DMS-V31S15 Vinyl terminated polydimethylsiloxane, fumed silica reinforced
HMS-301   Methylhydrosiloxane-dimethylsiloxane copolymer
PSI-021  Poly(diethoxysiloxane)
   
Catalysts:
SIP6830.0 Platinum - divinyltetramethyldisiloxane complex
SND3260  Di-n-butyldilauryltin
   
Crosslinking agents:
SIP6826.0    Phenyltris(dimethylsiloxy)silane
        Crosslinker for medium refractive index vinyl addition silicone elastomers
SIT7278.0  Tetrakis(dimethylsiloxy)silane
        Crosslinker for Pt cure two component RTVs
SIM6519.0  Methyltriacetoxysilane
        Common crosslinker for condensation cure RTVs