为制备一种环境友好型表面施胶剂,采用烯基琥珀酸酐(ASA)对淀粉进行疏水改性,使用红外光谱(FT-IR)、X射线衍射(XRD)、扫描电镜(SEM)和表面张力仪等测试手段对其性能进行了表征,并将烯基琥珀酸酐疏水化改性淀粉作为纸张表面施胶剂进行应用研究.结果表明,在淀粉分子上成功引入疏水性长链,淀粉颗粒形貌发生了变化,烯基琥珀酸酐疏水化淀粉施胶浓度为5％时,其施胶度可达206s,动态接触角达120°以上.
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