高圧力の科学と技術
Online ISSN : 1348-1940
Print ISSN : 0917-639X
ISSN-L : 0917-639X
特集:高圧力技術によるナノマテリアル創製研究の最前線
高圧二酸化炭素中での超音波キャビテーションを利用した微粒子の複合化技術の開発
松山 清三島 健司
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2012 年 22 巻 2 号 p. 104-112

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  We describe particle coating using ultrasonic irradiation in high-pressure carbon dioxide (CO2). Host microparticles were coated with guest nanoparticles. Shock waves generated by collapsing cavitation bubbles induced with ultrasonic irradiation accelerated the deagglomeration and dispersion of guest nanoparticles, and achieved dry particle coating in liquid CO2. Host microparticles coated with guest nanoparticles were observed using scanning electron microscopy (SEM). This revealed that the guest particles were completely coated with guest nanoparticles, and a smooth coating surface was obtained.

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© 2012 日本高圧力学会
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