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| This highly flexible C6 perfluoroalkyl formulation overcomes the environmental issues inherent in other perfluoroalkyl tails, and imparts non-stick properties and resistance to oil, grease, solvents, or water that are similar to C8 fluoroalkyl tails. No other commercial chemical contains a similar structure. Chemicals containing perfluoroalkyl tails are used extensively for stain, water, oil, and grease resistance, and for their surfactant and non-stick properties. However, most perfluoroalkyl tails have come under environmental pressure because of their potential to form PFOA (PerFluoro Octanoic Acids or salts). Both Canada and the US have ceased approving new chemicals that contain C8 or longer perfluorocarbon tails in their structures. Hercules C6 products have clearances from multiple regulatory agencies internationally. In a commercially available formulation used on a cellulose substrate, it resists oil and water penetration under either aggressive (hot polar fats) or non-aggressive conditions (ambient temperatures, non-polar oils). It is already approved for paper treatment where the paper may be in contact with food. The flexible C6-tail formulations can easily be adjusted to change the molecular structures that control oil repellency, reactivity and charge, molecular weight, and water stability. Applications include textiles (stain repellency and oil resistance), coatings (aids to flow and spread, resistance to stains and deposits), and as lubricants and release agents.Background Chemicals perfluoroalkyl (CF2)nsections tails industry to substrates |
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