International Journal of Polymer Science / 2017 / Article / Fig 3

Research Article

Characterization of Biobased Polyurethane Foams Employing Lignin Fractionated from Microwave Liquefied Switchgrass

Figure 3

Effect of lignin content on (a) apparent density, (b) compressive strength, and (c) compressive modulus of the PU foams.
(a)
(b)
(c)

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