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Details of Grant 

EPSRC Reference: EP/L022176/1
Title: FPP3D: Coupling frontal photopolymerisation and interfacial wrinkling for single shot 3D patterning
Principal Investigator: Cabral, Professor J
Other Investigators:
Matar, Professor OK Stavrinou, Dr P
Researcher Co-Investigators:
Project Partners:
Department: Department of Chemical Engineering
Organisation: Imperial College London
Scheme: Standard Research - NR1
Starts: 29 April 2014 Ends: 28 October 2015 Value (£): 301,085
EPSRC Research Topic Classifications:
Light-Matter Interactions Optical Phenomena
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:
Panel DatePanel NameOutcome
13 Nov 2013 Manufacturing with Light Interviews : 13 & 14 November 2013 Announced
Summary on Grant Application Form
The solidification of polymeric materials by light exposure is a common approach in coatings and patterning technologies. Under specific conditions, a solidification front (defined by the interface between liquid and solid) is sharp and, driven by light, travels thereby invading the unpolymerised material. Such light-driven travelling wave polymerisation processes give rise to frontal photopolymerisation which is an attractive manufacturing tool for multi-level patterns and objects. It is thus desirable that the liquid-solid front is planar and smooth. However, interfacial "roughness" may occur at certain front velocities, light intensity, temperature, time and other manufacturing conditions. This project will investigate and control this "roughness" - caused by wrinkling, folding and creasing of the interface - to manufacture functional surfaces of high value. An experimental capability map and predictive computational tool will be established and validated and then applied to rapidly prototype exemplars of this novel manufacturing approach, including optically active materials with smooth 3D profiles.
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Organisation Website: http://www.imperial.ac.uk