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DOW CORNING CORP.: Silicone Release Coating System (9/8/09)

September 8, 2009
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Dow Corning Corp. has developed a new solvent-free silicone release coating system that delivers long-term anchorage on unprimed polyester.

Dow Corning Corp. has developed a new Syl-Off® solvent-free silicone release coating system that delivers long-term anchorage on unprimed polyester.

The system includes a base coating, an anchorage additive, a choice of crosslinkers and a platinum catalyst:
  • Syl-Off SL 9106 Coating
  • Syl-Off SL 9176 Anchorage Additive
  • Syl-Off 7689 Crosslinker or Syl-Off 7028 Crosslinker
  • Syl-Off 4000 Catalyst
This system’s base coating/anchorage additive combination offers excellent adhesion to both primed and unprimed polyester films. Applications that benefit from this feature include filmic pressure-sensitive laminate and labelstock, single- and double-sided industrial polyester release films, and release liners for polyester technical adhesive tapes.

A lower-cost alternative to ultraviolet (UV) cure systems, the new Syl-Off system uses cost-effective thermal-cure technology. And the system’s excellent bath stability gives manufacturers more processing flexibility with less potential for waste.

Release is naturally low at slow peel speed with a flat release profile, but a range of release force values can be achieved when the system is combined with Syl-Off 9156 Release Modifier. Release stability against both solvent and water-based acrylic adhesives is excellent.

The Syl-Off SL 9176 Anchorage Additive component is also useful for achieving anchorage in coatings for polyethylene, polypropylene and paper substrates as well as demonstrating benefit in fluorosilicone and PSA primer applications.

For more information, visit

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