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Reference Number EP/P030122/1
Title Novel C-Bond coating to enable light weighting of glass products
Status Completed
Energy Categories ENERGY EFFICIENCY(Industry) 100%;
Research Types Basic and strategic applied research 100%
Science and Technology Fields ENGINEERING AND TECHNOLOGY (Mechanical, Aeronautical and Manufacturing Engineering) 100%
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Professor A R Barron
No email address given
Engineering
Swansea University
Award Type Standard
Funding Source EPSRC
Start Date 01 February 2017
End Date 31 January 2018
Duration 12 months
Total Grant Value £41,824
Industrial Sectors Energy
Region Wales
Programme Energy : Energy
 
Investigators Principal Investigator Professor A R Barron , Engineering, Swansea University (100.000%)
Web Site
Objectives
Abstract The production of glass is a highly energy intensive process consuming approximately 7 TWh of energy in the UK annually. Glass is a relatively dense material and therefore also consumes significant energy during transport.One of the limitations in the use of glass is its strength. Being a brittle material, surface defects with dimensions in the order of microns can lead to catastrophic failure. If glass was stronger, less glass would be required to achieve the same strength in a given glass article, therefore reducing the energy required to make the article, reducing the energy to transport the article and reducing the weight of the structure required to support the article (e.g. building or vehicle support materials) further reducing the energy required for the overall structure.C-Bond is an American Corporation that has developed a glass surface treatment that, in combination with a laminated film, provides significant increase in ballistic protection. The formulation uses a combination of additives, including modified silane molecules, surfactants with specific size distributions and carbon nanotubes to facilitate both mechanical keying and chemical bonding to the glass substrate. This not only forms a protective layer to prevent defects but 'holds' surface cracks together to prevent them propagating into the bulk.Experimental work indicates potential strength increases of >200%, implying that the thickness of treated glass articles could be reduced by 50-60% and maintain strength. In reality there are more complex issues involved, for example the need to maintain rigidity, which this treatment would not affect, so the overall reduction is more likely to be 20-30%. However, if an average of 15% reduction could be achieved in all glass products in the UK then approximately 1 TWh would be saved annually.This project aims to explore a range of glass applications to examine the potential benefit of apply C-Bond material to increase strength and thereby reduce energy use.The primary focus will be on flat glass (architectural, automotive and aerospace) and containers (bottles and jars); these 2 sectors account for 90% of glass production in the UK. Other potential applications of this technology are domestic glass and pharmaceutical packaging; in both cases the interest will be to reduce breakage, rather than reduce weight.
Publications (none)
Final Report (none)
Added to Database 31/01/19