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Self-healing polymer 'starfish' prolong lifetime of automotive oils

Date:
January 29, 2010
Source:
University of Warwick
Summary:
Researchers have created self-healing polymers that could extend the lifetime of automotive oils. These polymers are suitable to add to lubricants and could maintain the physical properties of engine oils for longer, they claim helping engine efficiency. Biological materials, such as skin, self heal following damage giving inspiration for these new materials.

Researchers have created self-healing polymers that could extend the lifetime of automotive oils. These polymers are suitable to add to lubricants and could maintain the physical properties of engine oils for longer, they claim helping engine efficiency. Biological materials, such as skin, self heal following damage giving inspiration for these new materials.

Polymers are often added to automotive oils to control important physical properties such as viscosity but mechanical and thermal stress can break the polymers decreasing the efficiency and how they affect the oils properties. The research team, led by Professor David Haddleton, of the University of Warwick have now designed a self-healing, star-shaped polymer for use as a viscosity modifier.

The methacrylate polymer has vulnerable long arms which be broken off if stressed reducing performance. The research team found they could add a particular chemical combination to the polymer’s backbone which, almost like a starfish, which allow broken arms to reform via a “Diels Alder cycloaddition reaction” in a self healing reaction.

The research team now plan to 'optimise the chemistry before passing it on to our industrial collaborators, Lubrizol, for development in automotive lubricant applications,' says Professor Haddleton.


Story Source:

The above story is based on materials provided by University of Warwick. Note: Materials may be edited for content and length.


Journal Reference:

  1. Syrett et al. Self-healing polymers prepared via living radical polymerisation. Polymer Chemistry, 2010; DOI: 10.1039/b9py00316a

Cite This Page:

University of Warwick. "Self-healing polymer 'starfish' prolong lifetime of automotive oils." ScienceDaily. ScienceDaily, 29 January 2010. <www.sciencedaily.com/releases/2010/01/100129092012.htm>.
University of Warwick. (2010, January 29). Self-healing polymer 'starfish' prolong lifetime of automotive oils. ScienceDaily. Retrieved September 2, 2014 from www.sciencedaily.com/releases/2010/01/100129092012.htm
University of Warwick. "Self-healing polymer 'starfish' prolong lifetime of automotive oils." ScienceDaily. www.sciencedaily.com/releases/2010/01/100129092012.htm (accessed September 2, 2014).

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