【摘 要】
：
通过模仿纤维素酶分子的功能,合成了碳基固体酸和酸性共聚高分子两类酸性催化剂.以葡萄糖为原料,通过水热法成功合成了含有磺酸基的高分散性碳基纳米固体酸.TEM照片显示
【机 构】
：
中国科学院青岛生物能源与过程研究所,266101中国海洋大学,266101
【出 处】
：
第五届中国工业生物技术发展高峰论坛
论文部分内容阅读
通过模仿纤维素酶分子的功能,合成了碳基固体酸和酸性共聚高分子两类酸性催化剂.以葡萄糖为原料,通过水热法成功合成了含有磺酸基的高分散性碳基纳米固体酸.TEM照片显示该碳基固体酸呈规整的球型,平均直径450nm.FT-IR谱图表明磺化后碳基固体酸表面含有-S03H,-COOH,-OH三种功能基团.由于表面含有大量的亲水基团,功能化后的碳基固体酸可以充分分散于极性溶剂中.通过对碳基微球的结构和组分分析,讨论了微球合成的机理.最后,该功能化碳基固体酸作为酸催化剂对催化纤维素和淀粉进行水解,研究发现与传统固体酸比,该固体酸催葡萄糖得率最高.
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