Dow Corning launches solvent-free filmic silicone system

At Labelexpo Europe, Dow Corning launched its Syl-Off solvent-free silicone release coating system for filmic substrates, claimed to deliver long term anchorage on both primed and un-primed polyester films. This is a lower cost alternative to UV systems and according to the manufacturer displays excellent release stability against both acrylic solvent and water-based adhesives. The system includes a base coating, an anchorage additive, a choice of crosslinkers and a platinum catalyst. Key features include low release force values at low peel speed. 

‘The move towards emulsion coatings is the big trend. They are easier to handle and the coating equipment is cheaper, opening up new market opportunities,’ said Christian Velasquez, global market director at Dow Corning. ‘We have already reduced the amount of platinum in our Advantage series and this has been extended to the emulsion products, enhancing their sustainability.’

Velasquez confirms that film release liner, mostly PET, is growing in Europe at rates over 10 percent, and now accounts for some 15 percent of the market. ‘It is exciting that now we can emulsion coat these films at a low coat weight.’ Currently these liners are being used primarily for filmic facestocks, but Dow Corning is now looking at filmic release liners for paper labels. 

Dow Corning also added new anti-mist additives to its Syl-Off Advantage series of silicone release coatings to prevent misting at extreme line speeds and allow for optimal use of fast-curing paper and filmic release coating systems. 

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