由甲壳素脱乙酰得到壳聚糖,然后以碳酸钠催化马来酸酐酰化,得到壳聚糖酰化物钠盐.纳米二氧化硅经高分子表面活性荆聚二甲基二烯丙基氯化铵(PDDA)处理,其与聚合物相容性得到提高,然后利用静电作用使其与马来酰壳聚糖钠盐复合.经红外光谱(IR)、扫描电镜、热重分析分析,结果表明得到了分布均一的球形包覆物,粒径处于1nm~100nm范围内,说明得到了复合物纳米微球,且复合后产物的热性能较马来酰壳聚糖有了显著提高.
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