【摘要】 采用不同半代的聚酰胺-胺型树状高分子材料(PAMAM)作孔径调解剂,对介孔氧化铝进行孔径调解。研究结果表明,介孔氧化铝孔径大小与加入的PAMAM代数有关,加入的PAMAM代数低,形成的介孔孔径小,反之,代数高,形成的孔径大;且随代数的增大,孔径大小与相应代数的PAMAM尺寸越接近;研究结果还表明,加入PAMAM树状高分子不改变氧化铝的孔道结构和相结构,只起调节孔径大小和分布的作用。更多还原

【Abstract】 Pore diameter of mesoporous alumina was adjusted by different half generations of poly-amidoamine dendrimers. The size of alumina mesopore was related with the number of PAMAM generations. The lower of the number of PAMAM generation added, the smaller of the alumina pore size obtained. With the increasing of PAMAM generations, pore size nearly equals to the molecule size of PAMAM. Addition of PAMAM didn’t effect on pore channel structure and phase structure.更多还原