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International Journal of Polymer Science
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International Journal of Polymer Science
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2019
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Article
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Tab 5
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Research Article
Preparation and Characterization of Rigid Polyurethane Foams with Different Loadings of Lignin-Derived Polycarboxylic Acids
Table 5
The percentage of the weight change of RPUFs with different loadings of LPCAs.
RPUF label
LPCA loading
F0
0 wt%
24.3%
F1
0.13 wt%
32.4%
F2
0.33 wt%
41.1%
F4
0.67 wt%
41.4%
F5
1.00 wt%
42.1%