Garmor has developed a simple yet effective method of producing graphene oxide. Whereas traditional methods have relied upon powerful oxidizing agents and acids to produce graphene, Garmor relies upon new advances in milling technology to produce graphene oxide yielding only water as a by-product. These proprietary achievements eliminate hazardous waste disposal costs and deliver a product suitable for large scale production at commodity-type prices.
Production of GO is achieved by milling graphite powder with an oxidizing agent using conditions that optimize shearing forces and minimizes collision forces. This results in oxidizing graphite along the edges while the milling media simultaneously exfoliates the layers in a zipper-like fashion. The process yields edge-oxidized graphene oxide composed of a few layers of graphene. This mild oxidation process preserves the carbon sp2 orbitals on the surface of the flake, which enhances electrical conductivity and other properties as well.
Garmor produces both graphene oxide and reduced graphene oxide for high volume applications. The graphene oxide is hydrophilic, readily suspends in water, and can be functionalized with unique groups. It’s an ideal choice for customers looking to improve the mechanical strength as well as the electrical and thermal conductivity of polymers, coatings and certain composites. It has also shown to substantially improve the mechanical strength of cement.
Reduced graphene oxide is hydrophobic and ideal for non-polar hosts. With an oxygen content between 1-2%, Garmor’s rGO is ideal for corrosion inhibition applications as well as electronic applications.
Production technology yields graphene oxide
Garmor has developed a cost-effective method of producing high-quality graphene oxide. This patented method yields high purity graphene with zero waste offering the potential for high volume production with minimal cost.
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