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Adhesives

Specialty products for adhesive formulations

Schill+Seilacher "Struktol" GmbH develops specialty chemicals for a diverse range of adhesive applications.

High performance epoxy adhesives arepart of a class of structural or engineering adhesives.
Epoxy adhesives are used where high strength bonds are required e.g. construction of automobiles, airplanes, transportations (trains, trucks, etc.), bikes, snowboards, golf clubs, marine and many more. Epoxy adhesives can be used for stone, glass metal, plastics and wood. Modification is done in several ways like making them flexible or rigid, transparent or opaque, maybe colored, high and low viscous. Adhesion on oily surface and toughening can also be improved with STRUKTOL POLYDIS prepolymers.

Low viscous functional modifier for resin replacement

  • Resin replacement: 10-25 %
  • Epoxy equivalent weight: 315 g/Eq
  • Viscosity at 25 °C: 35 Pa.s
  • Appearance: clear to slightly yellowish, liquid

Polyurethane modified epoxy resin

  • Resin replacement: 10-20 %
  • Epoxy equivalent weight: 460 g/Eq
  • Viscosity at 40 °C: 25 Pa.s
  • Appearance: yellowish, liquid

Epoxy functional polyester-polyether copolymer

  • Resin replacement: 5-10 %
  • Epoxy equivalent weight: 1.800 g/Eq
  • Viscosity at 25 °C: 400 Pa.s
  • Appearance: yellowish, viscous liquid

Modifier concentrate

Bimodal (CSR/PEA) modified epoxy resin

  • Resin replacement: 10-40 %
  • Epoxy equivalent weight: 325 g/Eq
  • Viscosity at 25 °C: 200 Pa.s
  • Appearance: whitish cloudy, viscous

Core-Shell-Rubber /Polyetheramine modification

 

Polyol modified epoxy prepolymer based on DGEBA

  • Resin replacement: 10-35 %
  • Epoxy equivalent weight: 330 g/Eq
  • Viscosity at 25 °C: 10 Pa.s
  • Appearance: clear, slightly yellowish liquid

Epoxy resin

Fatty acid modified epoxy resin based on DGEBA

  • Resin replacement: 10-35 %
  • Epoxy equivalent weight: 600 g/Eq
  • Viscosity at 50 °C: 47 Pa.s
  • Appearance: yellowish, viscous resin

Fatty acid modified epoxy resin based on DGEBA

  • Resin replacement: 10-35 %
  • Epoxy equivalent weight: 470 g/Eq
  • Viscosity at 50 °C: 8 Pa.s
  • Appearance: yellowish, viscous resin

Polyol modified cycloaliphatic epoxy prepolymer

  • Resin replacement: 10-35 %
  • Epoxy equivalent weight: 260 g/Eq
  • Viscosity at 25 °C: 2 Pa.s
  • Appearance: yellowish, low viscous epoxy resin

Nitrile rubber modified epoxy resin

  • based on DGEBA
  • Resin replacement: 10-35 %
  • Epoxy equivalent weight: 330 g/Eq
  • Viscosity at 25 °C: 190 Pa.s
  • Appearance: yellowish, viscous resin

Nitrile rubber modified epoxy prepolymer based on DGEBA

  • Resin replacement: 10-35 %
  • Epoxy equivalent weight: 300 g/Eq
  • Viscosity at 25 °C: 50 Pa.s
  • Appearance: yellow, liquid resin
  • A lower vicous version of Struktol Polydis 3604 designed for easier processing at room temperature

Nitrile rubber modified epoxy prepolymer based on DGEBF

  • Resin replacement: 10-35 %
  • Epoxy equivalent weight: 300 g/Eq
  • Viscosity at 25 °C: 180 Pa.s
  • Appearance: yellowish liquid resin

Nitrile rubber modified epoxy prepolymer based on DGEBA

  • Resin replacement: 10-35 %
  • Epoxy equivalent weight: 600 g/Eq
  • Dyn. Viscosity at 80 °C: 100 Pa.s
  • Appearance: amber, solid resin, exhibiting cold flow
  • This product provides ultimate toughening and best adhesion especially on oily steel for 1-component-systems

Nitrile rubber modified epoxy prepolymer based on DGEBF

  • Resin replacement: 10-35 %
  • Epoxy equivalent weight: 550 g/Eq
  • Viscosity at 80 °C: 30 Pa.s
  • Appearance: amber, resin paste
  • This product provides ultimate toughening and best adhesion especially on oily steel for 1-component-systems

Nitrile rubber modified epoxy prepolymer based on DGEBA

  • Resin replacement: 10-35 %
  • Epoxy equivalent weight: 330 g/Eq
  • Viscosity at 25 °C: 470 Pa.s
  • Appearance: yellowish, highly viscous resin

Nitrile rubber modified epoxy prepolymer based on DGEBA

  • Resin replacement: 10-35 %
  • Epoxy equivalent weight: 300 g/Eq
  • Hydrolyzable chlorine content: 250 ppm
  • Viscosity at 25 °C: 250 Pa.s
  • Appearance: amber, viscous liquid resin
  • Low ionic version of Struktol Polydis 3614 with low viscosity designed for electronic applications

Nitrile rubber modified epoxidized Novolak

  • Resin replacement: 20-50 %
  • Epoxy equivalent weight: 250 g/Eq
  • Viscosity at 50 °C: 220 Pa.s
  • Dropping point: 50 °C
  • Appearance: amber resin

Nitrile rubber modified epoxy prepolymer based on DGEBA

  • Resin replacement: 10-15 %
  • Epoxy equivalent weight: 205 g/Eq
  • Dyn. Viscosity at 50 °C: 12 Pa.s
  • Appearance: yellowish, cloudy resin

Nitrile rubber modified epoxy prepolymer based on DGEBF

  • Resin replacement: 10-15 %
  • Epoxy equivalent weight: 180 g/Eq
  • Viscosity at 50 °C: 8 Pa.s
  • Appearance: yellowish, cloudy resin

Nitrile rubber modified epoxy prepolymer based on DGEBA

  • Resin replacement: 10-15 %
  • Epoxy equivalent weight: 195 g/Eq
  • Viscosity at 80 °C: 7 Pa.s
  • Appearance: yellowish, cloudy resin

Nitrile rubber modified epoxy prepolymer based on a blend of liquid and solid DGEBA, 70 wt% in MEK

  • Resin replacement: 15-20 %
  • Epoxy equivalent weight: 630 g/Eq
  • Solvent content (MEK): 30 wt%

Hydroxy functional phosphoric co-monomers

  • Dyn. viscosity at 25 °C: 125 Pa.s
  • Phosphorous Content: 5 %
  • Hydroxyl number: 185 mgKoH/g

DOPO-9, 10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

  • Halogene-free
  • Toxicologically harmless
  • Hydrogen-functional organophosphorous
  • compound
  • Melting point: 116 °C
  • Phosphorous Content: 14.3 %
  • Appearance: white flakes

The DOPO structure can also act as an UV-stabilizer

Multi-functional, organophosphorous modified epoxy Novolak resin (based on Struktol® Polyphlox® 3710)

  • Epoxy equivalent weight: 350 g/Eq
  • Softening point: 80 °C
  • Phosphorous Content: 3.8 %
  • Appearance: transparent – yellowish solid resin

Phosphoric reactive, flame retardant modified epoxy resin (based on Struktol® Polyphlox® 3710)

  • Epoxy equivalent weight: 370 g/Eq
  • Softening point: 57 °C
  • Phosphorous Content: 4.0 %
  • Appearance: yellowish semi-solid resin

Flame retardant modified epoxy resin

  • Epoxy equivalent weight: 340 g/Eq
  • Viscosity at 25 °C: 30 Pa.s
  • Phosphorous Content: 6.0 %
  • Appearance: yellowish, liquid resin

Nitrile rubber modified epoxy resin based on DGEBA/DGEBF

  • Resin replacement: 20-60%
  • Epoxy equivalent weight: 285 g/Eq
  • Viscosity at 25 °C: 10 Pa.s
  • Appearance: yellowish liquid resin
  • Additional bonding on metallic, oiled surfaces

Polyurethane modified epoxy resin

  • Epoxy equivalent weight: 205g/Eq
  • Viscosity at 25 °C: 10 Pa.s
  • Appearance: clear, slightly yellowish liquid resin
  • It highly improves the visoplastic properties and toughness of the epoxy resin system

Bimodal elastomer modified epoxy resin base on DGEBA/DGEBF

  • Resin replacement: 20-50%
  • Epoxy equivalent weight: 220 g/Eq
  • Viscosity at 25 °C: 25 Pa.s
  • Appearance: amber coloured, liquid resin
  • Improves low temperature behaviour

High molecular weight rubber modified epoxy resin based on liquid/solid DGEBA

  • Resin replacement: 40-100%
  • Epoxy equivalent weight: 300 g/Eq
  • Viscosity at 40 °C: 200 Pa.s
  • Appearance: yellowish, high viscous
  • Improves toughness of epoxy formulations and also low temperature behaviour

High molecular weight rubber modified epoxy prepolymer based on DGEBA

  • Resin replacement: 50-100%
  • Epoxy equivalent weight: 360 g/Eq
  • Viscosity at 40 °C: 15 Pa.s
  • Appearance: yellowish, paste-like epoxy resin
  • Reactive hot melt adhesives and structural foams
  • Improves toughness of epoxy formulations and brittleness will be reduced