中文摘要：

利用农业加工剩余物麻秆，使用水性改性淀粉胶，生产固化后无毒的麻秆中密度纤维板。经过热压工艺探索，寻找出最佳工艺条件。利用傅立叶变换红外光谱仪（FTIR）和差示扫描量热仪（DSC）对水性改性淀粉胶在麻秆纤维板中的胶合机理进行了分析。结果表明：FTIR图谱证明了水性改性淀粉胶中的异氰酸酯基和麻秆材料中的分子发生了反应；改性淀粉胶和麻秆粉束混合后，固化反应所需要的热量远远低于单独淀粉胶固化所需要的热量；化学反应机理表明，改性淀粉胶的力学强度和耐水性主要是由异氰酸酯基起一定的作用。

英文摘要：

For the purpose of using kenaf stalk, an agricultural surplus, the non - toxic kenaf stalk MDF was produced with a water -based modified starch adhesive. The optimum hot press conditions were obtained through experiments. The bonding mechanism of water - based modified starch adhesive was studied with FTIR and DSC. It was proved that the isocyanate - group react with the molecule of kenaf stalk by FTIR chart. After the modified starch adhesive has mixed with kenaf stalk powder, the quantity of heat required by reaction of solidification is far lower than that of independent starch adhesive. It was showed that the mechanics strength and the water resistance of modified starch adhesive are mainly determined by the isocyanate - groups.