United States, and it can undermine forest health and safety due to its biofuel-like nature
during catastrophic wildfires. Yaupon holly was subjected to microwave liquefaction to
produce biobased polyurethane (PU) foam insulation. Liquefaction parameters were
optimized and summarized as follows: 1) particle size was controlled in the range of 16-to 40-
mesh; 2) both the ratios of glycerol to ethylene glycol and liquid to solid were set at 3: 1; 3) …