Ammonium carbamate from diethanolamine for green foaming of polyurethanes with carbon dioxide
CHEN Xuliang, REN Qiang, SONG Yan, WU Dun, LI Jian
CIESC Journal . 2017, (11): 4383 -4389 .  DOI: 10.11949/j.issn.0438-1157.20170304