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Polyvinyl chloride (PVC)
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Polyvinyl chloride (PVC)

Polyvinyl chloride (PVC) is an amorphous engineering thermoplastic. Hard and brittle, it only becomes soft, ductile and suitable for technical applications by the addition of softening agents and stabilizers.

Surface energy and contact angle

The adhesion of polyvinyl chloride during bonding and printing can be improved by plasma activation. PVC has a surface energy of 39mN/m. However, bleeding out plasticizers on the surface are problematic, as they also subsequently impair a previously perfect adhesion.

Material: Polyvinyl chloride Surface energy Contact angle H2O
Untreated 37,0 mN/m 84,0°
5 minutes after plasma treatment 60,0 mN/m 47,0°
1 hour after plasma treatment 60,0 mN/m 48,0°
2 hours after plasma treatment 60,0 mN/m 47,5°
4 hours after plasma treatment 59,5 mN/m 47,5°

Application

  • In the building industry, it is used mainly as a basic material for window profiles, pipes, flooring and roof panels
  • PVC is also made into flame-proof cable sheathing, insulation material for electric cables, electric switch boxes and cable conduits
  • PVC foil has different applications, e.g. synthetic leather or credit cards, telephone cards and other smart cards
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