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Application Solutions

Pressure Sensitive Adhesives (PSA) Applications 

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UV-curable pressure sensitive adhesives find application on tapes, labels and other specialty applications – especially those demanding high-temperature stability and solvent resistance. UV PSAs have demonstrated improved performance on PVC, elastomers and polyethylene. Increasing environmental pressures are forcing users to find alternatives to the traditional solvent-based PSAs. Many are turning to UV PSAs where new formulations are coming to market due to growing demand.  Check out how Heraeus Noblelight America supported a hands-on seminar about a new industrial PSA. 

 

Click here to see which of our products are most highly suited to PSA applications. 

 

Advantages of UV Curing for PSAs 

 

The advantages of using UV-curing technology for PSA applications include: 

  • Low application temperature (120 -140 degrees Celsius) 
  • Solvent free 
  • Improved shear resistance at high temperatures 
  • High chemical resistance 
  • Low installation costs 
  • Increased production rates 
  • Reduced downtime 

UV-Curable PSA Formulations 

 

A variety of UV-curable PSA formulations are available, with the proper choice depending on the needed characteristics and customer specifications. Some systems currently available include: 

  • UV-reactive styrenic block copolymers (SBCs) 
  • Cationic curing epoxy-functional liquid rubbers 
  • Saturated polyacrylat with grafted PI to the backbone, reaction through photo-reduction 
  • Acrylated polyestersTapes 

Heraeus Noblelight America's high intensity lamps are especially suited to curing heavy film weights, 60 to 80gsm+, such as those used for industrial tapes. Shell products (styrenic block copolymers) have been particularly effective in these cases. The reduced heat output of Heraeus Noblelight America’s lamps is also a benefit for heat-sensitive films. In addition, customers find our lamps to be the equipment of choice when a consistent cure is needed across the entire width of a wide web. 

 

Technical Articles on PSA Applications 

 

Click here to download the article “UV Hot Melt PSAs” which presents the latest developments in commercializing pressure sensitive adhesive applications. 

The technical article “Experiences with UV curable PSAs on a Production Facility” by Petra Burger,
Dawn Skinner, Paul Field and Mike Draper is also available here.
 

You may also download our own UV Curable PSA Brochure. 

 

Contact us if you would like more information or have specific questions. 

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