W Zhu, L Gao, Q Luo, C Gao, G Zha, Z Shen, X Li - Polymer Chemistry, 2014 - pubs.rsc.org
This study presented a facile method to prepare two PEG derivatives with multi-thiols or multi-
enes by polycondensation on a large scale using scandium trifluoromethanesulfonate (Sc …