Effects of Lignin-Derived Polycarboxylic Acids on the Properties of Waterborne Polyurethane Elastomers

Table 2

The percentage of the weight change of LPCA-WPU elastomers with different loadings of LPCAs.

LPCA loading	W
0 wt%	167.8%
1.0 wt%	102.2%
2.5 wt%	53.9%
5.0 wt%	−22.9%
7.5 wt%	−42.3%