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UV and Water-based Substituting for Solvent Based

  • Update:23-11-2016
  • Abst:

    UV would appear to have issues in food applications and […]

    UV would appear to have issues in food applications and the consensus is that it is not substituting solvent-based within lamination markets. Clearly water-based is substituting some solvent-based applications but, at a limited level, driven mainly by Rohm and Haas. It is not a major trend in Europe and is more evident in USA.

    This is confirmed by Henkel. Dr. KINZELMANN reports that in Europe solvent represents 45% of the market, solvent-free 50% and water based systems around 5%. "Solvent- based adhesives are typically used for higher demanding applications where solvent free and especially water-based systems have technical limitations.«

    Bostik confirms that solvent free is the preferred choice and is taking share from solvent-based in Europe. It is cheaper than water based and consumes less energy in drying. Another disadvantage of water-based is it requires new equipment with dual capability so it is really only viable if the converter is replacing or updating machinery.

    Coim agrees that solvent-free is the key market mover and it is unlikely that water-based is more than 5-10% of the market at most. According to BRUNO ROCCHETTI "Solvent use will reduce further and an elimination of isocyanates and ultimately no solvents is the trend".