Reversible Redox Crosslinking of Thiopropylsilicones

Most silicone elastomers are thermosets. As a response to the new paradigm of polymer recyclability, the development of silicone elastomers that can be reversibly and repeatedly cured and uncrosslinked using redox conditions is reported. Thiopropyl-modified silicones are oxidized to elastomers with disulfide crosslinks using the organosoluble oxidant PhI(OAc)₂ . As with any elastomer, mechanical properties can be tuned by varying crosslink …