Cementitious Materials
Few-Layer graphene GUP® can dramatically reduce the carbon footprint of cement-based products
Poor resistance to cracking, low tensile strength and strain capacities are considered the major limitations of cementitious materials. Recent developments in the construction industry, seeking out a way to advance conventional construction materials, have stimulated the use of different materials at the nanometre scale.
Cement is the source of about 8% of the world’s carbon dioxide emissions. Using few-layer graphene a new generation of cementitious material with enhanced physical and chemical properties can be proposed into the market, with the result of stronger and lighter concrete structures with a significant reduction of the carbon footprint of cement-based products.
Examples of Applications
Concrete constructions with excellent mechanical properties and enhanced durability
Anticorrosion coatings
Electromagnetic shielding of houses, kinder gardens, offices and hospitals (i.e. 5G)
Composites materials that prevent damage to facades
Self sensing and self healing smart cement graphene based materials
Protection barriers with high impact resistance
More efficient floor heating systems
Graphene based cement mixture that can store electrical energy and discharge it on demand
Improved
Properties Improved & Advantages with GUP®
- enhanced resistance to aggressive elements (i.e. CO2, SO42- , Cl–)
- reduced deterioration by alkali silica reaction, calcium leaching
- reduced water permeability, water sorptivity and gas permeability
- increased freeze-thaw resistance
- reduced thermal cracking
- 35-50% improvement in flexural and compressive strength 35-50% improvement in flexural and compressive strength
- 30-40% enhancement in fracture strength
- 40-55% improvement in Young’s modulus
Unlike the plain matrix in which cracks usually traverse in a straight-through manner, in a graphene-cement composite, cracks are arrested and cannot pass through the graphene sheets. Graphene sheets block and divert the in-plane propagation of micro cracks
- enhanced heating floors
- better thermal distribution
- EMI shielding (i.e. 5G, radar shielding)
- reduction in carbon footprint (contribution of more than 10% in global CO2 emissions)
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