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The corn stalk lignin was liquefied in hot-compressed water without any other additives to obtain the degraded liquids (DL) with liquefaction yields of 45.9–61.4 wt%, under 3.4 MPa and 260 °C. The degradation liquids, mainly composed of small molecular phenols as high as 84.6 wt%, were put to use as substitutes for phenol to modify phenol-formaldehyde resin. The degradation liquids modified phenol-formaldehyde...
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