Description
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DSC thermograms of API adhesives prepared from (a) NRL and PVA, (b) NRL, PVA, and oil palm empty fruit bunch lignin, and (c) NRI, PVA, and sugarcane bagasse lignin, with 15 % isocyanate crosslinker; compositons of NRL/PVA/Lignin: 25/20/5=black color; 25/10/15= red color; 25/0/25= green color). |