Effect of the content of hard segment on the hydrogen bonding interactions and properties for waterborne polyurethanes
XU Hengzhi, WANG Huan, BAO Junjie, HUANG Yiping, XU Gewen*
Chinese Journal of Applied Chemistry . 2011, (07): 770 -776 .  DOI: 10.3724/SP.J.1095.2011.00492