%0 Journal Article %A Yu, Caili %A Liu, Hao %A Shao, Jintao %A Zhang, Faai %D 2022 %J Journal of Renewable Materials %@ 2164-6341 %V 10 %N 4 %P 1049--1061 %T Preparation of Hollow-Porous Rosin-Based Polyurethane Microspheres with pH-Responsive Characteristics %M doi:10.32604/jrm.2022.017315 %U http://www.techscience.com/jrm/v10n4/45342