enviroclear barrier technology for pet polyolefins l.
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Enviroclear Barrier Technology for PET & Polyolefins - PowerPoint PPT Presentation


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Enviroclear Barrier Technology for PET & Polyolefins. Aims / Goals of Project. Development of a novel barrier technology for plastics packaging Market need: PET good but not great... (fruit juices, beer, jams, preserves, etc.) Basic requirements: Good oxygen barrier

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Presentation Transcript
aims goals of project
Aims / Goals of Project
  • Development of a novel barrier technology for plastics packaging
  • Market need: PET good but not great... (fruit juices, beer, jams, preserves, etc.)
  • Basic requirements:
    • Good oxygen barrier
    • Good adhesion (no delamination)
    • Flexible
    • Recyclable
    • Transparent
    • No scuffing
    • Blister resistance
    • Cost-effective
barrier technologies in market
Barrier Technologies in Market

Multilayers

Materials

e.g. EVOH, MXD6 e.g. PEN(polyethylene naphthalate)

x Requires new production lines x Expensive

x Complicated / difficult to run x Barrier still not high enough (e.g. PEN

x Cost of barrier layer 5xPET barrier)

x Recycling problematic

x Generally requires binding layers (i.e. min 5 layers)

x Special very expensive molds and machines

x Barrier not high enough, degrades with humidity

e.g. SiOx, diamond-like carbon, amorphous e.g. Epoxy-amine spray coating

Carbon x Matrix oxygen

x Low speeds x Recycling?

x High costs (vacuum)

x Cracking & delamination

x Recycling

Inside coatings

Outside coatings

patent status
Patent Status
  • Patents
    • Received favourable international preliminary report on patentability from PCT
    • Have entered national patenting phase
    • Granted: USA, Canada, Europe (EPO), France, Netherlands, South Africa, Japan, China, Australia