Gas Barrier

Market


The superior interest on gas barrier properties is certainly at the packaging industry since polymers and resins are typically used to impede moisture and oxygen from penetrating from the outside to the inside of a package. This is relevant mainly to chemistry, food and cosmetics packaging markets since they have very specific requirements about their products preservation. Usually, packages are comprised by multilayers having metals foils included, which are nowadays experiencing high costs due to high demand, like aluminium in the Middle East. The market for gas barrier can also be extended to plastic gas vessels or tanks that have to sustain relatively high pressures without leaking.

Solution


Graphene is being applied on low-density polymer films as a high-performance coating acting as a barrier. To be able to do that, adhesion and barrier properties should be tuned according to the customer’s specific requirements. In fact, moisture and oxygen barrier effect of common polymer sheets can be increased by more than 90% just applying a thin layer of graphene-based coating. Such like in anti-corrosive inks, graphene nanoplatelets’ aspect ratio plays an important role, since higher nanoplatelets lateral size promote higher barrier to those kind of environments.

Product Used


Standard Graphene Nanoplatelets

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Examples of Product Applications

Cosmetics & Food Packaging

Toothpastes Tubes

Gas Tanks

Advantages of Graphene Application

Conductivity:

Graphene is a great conductor of electricity and heat due to its nanometric thickness allowing electrons and heat move up to 200x faster

Strength:

Graphene is 100+ stronger than steel. You can use it to reinforce polymers or fiberglass and carbon fibre.

Lightness:

Graphene is lightweight material and enables a new whole generation of high performance of lighter and stronger composites.

Transparency

As a two-dimensional material, graphene displays remarkable optical properties, including a simple transparency for visible light.

Thin

Graphene is an allotrope of carbon consisting of a small number of layers of carbon atoms arranged in an hexagonal lattice. Each layer is separated from another only by 0.33 nanometers.

Hydrophobicity

Graphene has excellent hydrophobicity capacity that can be used to tailoring special coatings in marine, aerospace, automotive markets.

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Graphenest offers distinct graphene nanoplatelets (GNP) grades with varying sizes up to 50 microns. GNP are awesome nanoparticles comprised of stacks of platelet-shaped carbon sheets.

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With its own graphene production system, Graphenest is developing cutting-edge applications that were cost-prohibitive before for the automotive, aerospace and packaging markets.

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