Mechanically Activated, Catalyst-Free Polyhydroxyurethane Vitrimers Fortman, David J. ; Brutman, Jacob P. ; Cramer, Christopher J. ; Hillmyer, Marc A. ; Dichtel, William R. Abstract Publication: Journal of the American Chemical Society Pub Date: November 2015 DOI: 10.1021/jacs.5b08084 Bibcode: 2015JAChS.13714019F