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Panacol, Hönle Create UV Cure Epoxy Adhesive System for Filament Winding Process

Published on 2020-10-09. Author : SpecialChem

TAGS:  UV/EB Cure Adhesives      Epoxy Adhesives    

Panacol and Hönle Develops UV Cure Epoxy Adhesive for Filament WindingPanacol develops an innovative adhesive system using Vitralit® UD 1405 and Dr. Hönle AG LED curing systems. Vitralit® UD 1405 is a transparent, solvent-free, UV cure, one-component epoxy adhesive system for high-efficiency fiber and filament winding process. The adhesive can be applied during the winding process and immediately cured with high intensity LED curing systems from Dr. Hönle AG. The innovative winding process is extremely space and timesaving with processing cost savings.

Excellent Wetting Properties with Low Viscosity


Panacol’s Vitralit® UD 1405 has good wetting properties due to its low viscosity. The adhesive can be cured in seconds by irradiation with UV (365nm) or Visible (405nm) light wavelengths. Depending on the fiber material and the wavelength used, layer thicknesses of several millimeters can be achieved exclusively by UV/Visible light curing.

The epoxy adhesive can be thermally cured after UV exposure to ensure complete cure is secured in areas shadowed from the UV light. For example, fibers or filaments can first be pulled through an adhesive bath, then wound onto the rotor or respective cylinder, and cured with UV or visible light. A secondary thermal cure will ensure that the layers of coated windings below the surface become fully cured.

Electrically Insulating Adhesive Suitable for CFRP


After curing, Vitralit® UD 1405 is electrically insulating, shows minimal shrinkage and remains resistant at temperatures from -40° to 180°C. A glass transition temperature of over 130°C ensures reliable performance even under dynamic load at elevated temperatures.

Vitralit® UD 1405 can be used to wrap components such as hybrid rotor shafts for electric motors and high-voltage surge arresters. The adhesive-coated fiber-reinforced windings can be then be quickly cured with UV/visible light. The adhesive and curing system is ideal for carbon or glass fiber filament winding associated with carbon fiber reinforced polymer (CFRP) or glass fiber reinforced polymer (GFRP) manufacturing processes.


Source: Panacol
Omya: Paints & Coatings
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