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Synthesis of Self-immolative Disulfide Linear Polymers | Spoman OS

Recyclable Polymers

Synthesis of Self-immolative Disulfide Linear Polymers

Students: Sunirmal Pal, Andreas Sommerfeldt, Kaja Løvschall and Pere Monge Marcet 

The self-immolative linear polymers would be interesting materials for industrial and biomedical applications as a self-immolative polymer is a polymer which can be triggered by an external signal to depolymerize. It is simply a system which can dissolve on demand.

 

Project Proposal:

The aim of the project is the synthesis of self-immolative linear polymers using diol protected (4R,5R)-1,2-dithiane-4,5-diol monomer as shown. The ketal group in the cyclic disulfide monomer increases the ring strain which will facilitate the formation of linear polymers. In addition, various substituents on the ketal may be introduced to control the polarity of the polymer. Normally, the self-immolative polymers are end capped by responsive units, which can be triggered by external stimuli to depolymerize the polymers. The end groups of the linear polymers can be end-capped by Ellman’s reagent as a triggering unit. The characterization of polymers and their depolymerisation could be done by techniques such as NMR and GPC.

Self-immolative linear polymers by anionic polymerization.

 

Involved partnes: Aarhus University (Kim Daasbjerg, Alexander Zelikin, Mogens Hinge), LEGO

If you’re interested in hearing more about this project, SPOMAN or want to hear about the possibilities for starting a collaboration, please contact us at stinek@inano.au.dk.