화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2018년 봄 (04/04 ~ 04/06, 대전컨벤션센터)
권호 43권 1호
발표분야 고분자가공/복합재료
제목 Shape-engineering soft particles via confined jamming and packing
초록 Designing particles that can be shaped into different geometry is of significant scientific interests yet it remains challenging to fabricate them in small scale as they are often lack of mobility or deformability. Here we exploit the unprecedented volumetric expansion of a new type of building block, thermally expandable microbombs consisting of a viscoelastic polymeric shell and a volatile gas core, within structural confinement, creating micro-clusters with a wide variety of shapes via simultaneous topographical close-packing and kinetic jamming. Our strategy provides densely packed yet ultralight weight clusters with a variety of complex shapes, cleavages, curvatures, and hierarchy. In turn, these clusters will significantly enrich our ability to explore the assemblies of the ever diverse range of microparticle systems on demand.
저자 유승건1, 조혜성1, 홍준표1, 박현철1, 홍순만1, 박철민2, Shu Yang3, 구종민1
소속 1한국과학기술(연), 2연세대, 3Univ. of Pennsylvania
키워드 Microparticle; Assembly; Jamming; Packing; Shaping
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