How Does Plasticizer Affect Adhesive Tape Switzerland

  • How Does Plasticizer Affect Adhesive Tape Switzerland
  • How Does Plasticizer Affect Adhesive Tape Switzerland
  • How Does Plasticizer Affect Adhesive Tape Switzerland
  • How does plasticizer affect adhesive tape?
  • Many industrial vinyl products such as PVC contain a chemical called a plasticizer that keeps the material flexible. Over time, this plasticizer can migrate into the adhesive tape and degrade the adhesion. There are products available on the market that can block the migration of the plasticizer into the tape.
  • Does plasticizer migration affect adhesive performance?
  • Plasticizer migration can cause other additives to migrate too. Typical examples of these additives are UV stabilisers or Anti-Oxidants. If plasticizer migration causes these additives to migrate, the overall performance of the adhesive will deteriorate. There are several occasions where plasticizer migration can have aesthetic effects.
  • How do I stop a plasticizer from moving into a tape?
  • There are products available on the market that can block the migration of the plasticizer into the tape. Rubber materials like neoprene and EPDM (ethylene propylene diene terpolymer) will require the use of a primer or other adhesion promoting material to achieve a strong, stable bond.
  • What are the problems with plasticized adhesive?
  • They can also cause issues when painting over. Dirt pickup – Plasticized adhesives can become sticky on the surface and pick up dirt. This dirt pick-up affects the aesthetic of the adhesive. Plasticizer leaching – When plasticizers migrate out of a compound, they can bring pigment with it, causing the pigment to ‘leach’ down the substrate.
  • Why do plasticizers migrate from PVC to adhesives?
  • Plasticizers are often put into materials to make them more flexible or malleable. As an example, PVC is heavily-plasticized to increase its flexibility. So when bonding PVC with adhesives, those plasticizers can migrate from the PVC into the adhesive. Plasticizer migration is more likely to happen in certain circumstances.
  • What happens if a plasticizer migrates out of a product?
  • A plasticizer’s main purpose is to increase a product’s flexibility. So when the plasticizers migrate out from that product, flexibility can go with it. This then causes embrittlement. In the case of adhesives, this can cause the adhesive to become unfit for use in an application.

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