Catalytic inverse vulcanization

Xiaofeng Wu, Jessica A. Smith, Samuel Petcher, Bowen Zhang, Douglas J. Parker, John M. Griffin and Tom Hasell ()
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Xiaofeng Wu: University of Liverpool
Jessica A. Smith: University of Liverpool
Samuel Petcher: University of Liverpool
Bowen Zhang: University of Liverpool
Douglas J. Parker: University of Liverpool
John M. Griffin: Lancaster University
Tom Hasell: University of Liverpool

Nature Communications, 2019, vol. 10, issue 1, 1-9

Abstract: Abstract The discovery of inverse vulcanization has allowed stable polymers to be made from elemental sulfur, an unwanted by-product of the petrochemicals industry. However, further development of both the chemistry and applications is handicapped by the restricted choice of cross-linkers and the elevated temperatures required for polymerisation. Here we report the catalysis of inverse vulcanization reactions. This catalytic method is effective for a wide range of crosslinkers reduces the required reaction temperature and reaction time, prevents harmful H2S production, increases yield, improves properties, and allows crosslinkers that would be otherwise unreactive to be used. Thus, inverse vulcanization becomes more widely applicable, efficient, eco-friendly and productive than the previous routes, not only broadening the fundamental chemistry itself, but also opening the door for the industrialization and broad application of these fascinating materials.

Date: 2019
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DOI: 10.1038/s41467-019-08430-8

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