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Huntsman - Rubber Crumb Adhesive Systems

Supplier: Huntsman Polyurethanes

Adhesives based on Huntsman Polyurethanes' technology bond an extensive range of materials and resist a wide variety of adverse physical conditions and chemical environments.

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Their versatility makes them a raw material of choice for the formulation of sealants, rubbercrumb, panel laminating, flexible packaging or reactive hot melt adhesives.

Rubber crumb adhesives
Moisture-cured polyurethane adhesives are used to bind re-milled rubber waste or rubber crumb. Designed to meet the specific needs of a variety of applications, from running tracks to garden tiles, rubbercrumb adhesives need to suit a range of processing conditions, including wet-lay and moulding processes.

Each demands a different adhesives mix - from high flexibility to rigid, low to high viscosity -and very low to highly reactive types. All these  mixes are covered by the SUPRASEC? MDI*-based product range from Huntsman Polyurethanes.
* Methylene di-isocyanate

Application techniques
To manufacture these polyurethane composites the rubber granules are wetted with a prepolymer and transferred to a mould or press, where the mix is compressed and cured.
Or for sports/play surfaces laid directly at the building site, by processes similar to those employed in road construction for the laying of asphalt.

The properties of the composites depend on the particle size of the rubber granules, the constitution and the amount of the polyurethane one-component adhesive and in case of the moulding process also on the degree of compaction during curing.

Advantages
Bonding rubber granules with polyurethane adhesives opens possibilities to create high attractive products for improved comfort

    • Noise and vibration dampening
    • Slip resistance
       
  • Shock absorption

 

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