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Details of Grant 

EPSRC Reference: GR/N07844/01
Title: NEW FUNCTIONAL MONOMERS FOR PROVIDING LATENT REACTIVE GROUPS FOR CROSSLINKING OF POLYMER LATEX COATINGS
Principal Investigator: Lovell, Professor PA
Other Investigators:
Berrisford, Dr D Whiting, Professor A
Researcher Co-Investigators:
Project Partners:
Department: Manchester Materials Science Centre
Organisation: UMIST
Scheme: Standard Research (Pre-FEC)
Starts: 01 January 2000 Ends: 30 September 2003 Value (£): 201,147
EPSRC Research Topic Classifications:
Materials Characterisation Materials Synthesis & Growth
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors Manufacturing
Chemicals
Related Grants:
Panel History:  
Summary on Grant Application Form
The proposal addresses the need for new crosslinking systems for use in water-borne coatings. This need has become more evident in recent years due to environmental pressures forcing the coatings industry to seek alternatives to the conventional solvent-borne coating systems. Our current EPSRC-funded project in this area has shown that new functional monomers containing the hydroxyethylsulfone group can be synthesized and used in emulsion copolymerization with standard monomers (e.g. acrylates, methacrylates, styrene, etc.) and commercially-available functional monomers (e.g. with hydroxyl or acetoacetoxy groups) to prepare latex copolymers in which the particles contain all the functional groups necessary for crosslinking, i.e. one-part crosslinkable latexes. During film formation from the latex, the loss of water triggers dehydration of the hydroxyethylsulfone groups to give vinyl sulfone groups which readily react with pendent hydroxyl or acetoacetoxy groups, thereby forming crosslinks. Crosslinking can be monitored indirectly (principally by determining thermal and mechanical properties) and directly (principally by spectroscopic methods). The scope and application of this technology will be substantially extended from the current work to encompass a range of new hydroxyethylsulfone monomers and emulsion polymer systems. This work will be of value to all latex manufacturers and formulators with interests in crosslinkable coatings.
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