Aim To study the preparing process of magnetic SiO2Fe3O4-P(NIPAM-co-AA) organic-inorganic composite microspheres,the character of composite materials absorbing ultrasonic wave and the mechanism of absorbing acoustic wave.

• 目的研究磁性SiO2-Fe3O4-P(NIPAM-co-AA)有机-无机复合微球及复合材料的制备、吸收超声波的能力和吸波机理。