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Master Bond adhesives
Wacker Geniosil® GF 31 US Silane
Categories: Fluid; Other Engineering Material; Additive/Filler for Polymer

Material Notes: Empirical formula: C10H20O5Si

CAS No.: 2530-85-0

Properties: The use of GENIOSIL® GF 31 US as a coupling agent in glass fiber-reinforced or filler-modified plastics improves filler dispersibility while reducing the filler's sedimentation tendency. It also results in a major reduction in the melt viscosity of casting resins, as well as a marked improvement in the mechanical properties of glass-fiber-reinforced or mineral-filled plastics. In addition, use of GENIOSIL® GF 31 US in these materials leads to a sizable increase in moisture (vapor) resistance as well as greater resistance to acids and bases. Used as a co-monomer in polymers, GENIOSIL® GF 31 US produces binders that exhibit much improved wet scrub, abrasion and scratch resistance thanks to crosslinking and strong adhesion to the base. As a component of free-radical curable adhesives and sealants, GENIOSIL® GF 31 US leads to improved mechanical properties and enhanced substrate adhesion.

Special features: GENIOSIL® GF 31 US is an alkoxysilane with a methacrylic organofunctional group. It´s a clear, colorless, light and heat sensitive liquid with a characteristically sweet odor. The silane hydrolyzes in the presence of moisture (methanol is released) to form silanols, which can then react with themselves to produce siloxanes. As a bifunctional, organically unsaturated molecule, GENIOSIL® GF 31 US can be incorporated into organic polymers, e.g. via radical grafting.

Application: GENIOSIL® GF 31 US is mainly used in glass fiber or glass fabric-reinforced polyester and polyolefin molded components. In addition, GENIOSIL® GF 31 US is used as a surface modifier for fillers and pigments used in thermosetting plastics (e.g. polyacrylates, polyesters), thermoplastics (polyesters, polyolefins) and elastomers, as well as a polymer component in surface coatings. Further important areas of application are heat and/or radiation-curable adhesives and sealants.

Information provided by Wacker Chemie AG.

Vendors:
Available Properties
  • Density, DIN 51757
  • Viscosity, dynamic
  • Molecular Weight
  • Boiling Point, DIN 51356
  • Flash Point, ISO 2719
  • Ignition Temperature, liquids
  
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